Line data Source code
1 : /**
2 : * Copyright Notice:
3 : * Copyright 2021-2026 DMTF. All rights reserved.
4 : * License: BSD 3-Clause License. For full text see link: https://github.com/DMTF/libspdm/blob/main/LICENSE.md
5 : **/
6 :
7 : #include "internal/libspdm_common_lib.h"
8 : #include "internal/libspdm_secured_message_lib.h"
9 : #include "internal/libspdm_fips_lib.h"
10 :
11 : #if LIBSPDM_ENABLE_CAPABILITY_CHUNK_CAP
12 : /* first section */
13 68263 : uint32_t libspdm_get_scratch_buffer_secure_message_offset(void) {
14 68263 : return 0;
15 : }
16 :
17 421309 : uint32_t libspdm_get_scratch_buffer_secure_message_capacity(libspdm_context_t *spdm_context) {
18 421309 : return spdm_context->local_context.capability.max_spdm_msg_size +
19 842618 : spdm_context->local_context.capability.transport_header_size +
20 421309 : spdm_context->local_context.capability.transport_tail_size;
21 : }
22 :
23 : /* second section */
24 54 : uint32_t libspdm_get_scratch_buffer_large_message_offset(libspdm_context_t *spdm_context) {
25 54 : return libspdm_get_scratch_buffer_secure_message_capacity(spdm_context);
26 : }
27 :
28 353022 : uint32_t libspdm_get_scratch_buffer_large_message_capacity(libspdm_context_t *spdm_context) {
29 353022 : return spdm_context->local_context.capability.max_spdm_msg_size;
30 : }
31 : #endif
32 :
33 : /* third section */
34 202273 : uint32_t libspdm_get_scratch_buffer_sender_receiver_offset(libspdm_context_t *spdm_context) {
35 202273 : return 0 +
36 : #if LIBSPDM_ENABLE_CAPABILITY_CHUNK_CAP
37 : libspdm_get_scratch_buffer_secure_message_capacity(spdm_context) +
38 202273 : libspdm_get_scratch_buffer_large_message_capacity(spdm_context) +
39 : #endif
40 : 0;
41 : }
42 :
43 284688 : uint32_t libspdm_get_scratch_buffer_sender_receiver_capacity(libspdm_context_t *spdm_context) {
44 284688 : return spdm_context->local_context.capability.max_spdm_msg_size +
45 569376 : spdm_context->local_context.capability.transport_header_size +
46 284688 : spdm_context->local_context.capability.transport_tail_size;
47 : }
48 :
49 : #if LIBSPDM_ENABLE_CAPABILITY_CHUNK_CAP
50 : /* fourth section */
51 13318 : uint32_t libspdm_get_scratch_buffer_large_sender_receiver_offset(libspdm_context_t *spdm_context) {
52 13318 : return libspdm_get_scratch_buffer_secure_message_capacity(spdm_context) +
53 26636 : libspdm_get_scratch_buffer_large_message_capacity(spdm_context) +
54 13318 : libspdm_get_scratch_buffer_sender_receiver_capacity(spdm_context);
55 : }
56 :
57 148055 : uint32_t libspdm_get_scratch_buffer_large_sender_receiver_capacity(libspdm_context_t *spdm_context)
58 : {
59 148055 : return spdm_context->local_context.capability.max_spdm_msg_size +
60 296110 : spdm_context->local_context.capability.transport_header_size +
61 148055 : spdm_context->local_context.capability.transport_tail_size;
62 : }
63 : #endif
64 :
65 : /* fifth section */
66 122 : uint32_t libspdm_get_scratch_buffer_last_spdm_request_offset(libspdm_context_t *spdm_context) {
67 122 : return 0 +
68 : #if LIBSPDM_ENABLE_CAPABILITY_CHUNK_CAP
69 122 : libspdm_get_scratch_buffer_secure_message_capacity(spdm_context) +
70 122 : libspdm_get_scratch_buffer_large_message_capacity(spdm_context) +
71 : #endif
72 122 : libspdm_get_scratch_buffer_sender_receiver_capacity(spdm_context) +
73 : #if LIBSPDM_ENABLE_CAPABILITY_CHUNK_CAP
74 122 : libspdm_get_scratch_buffer_large_sender_receiver_capacity(spdm_context) +
75 : #endif
76 : 0;
77 : }
78 :
79 276889 : uint32_t libspdm_get_scratch_buffer_last_spdm_request_capacity(libspdm_context_t *spdm_context) {
80 276889 : return spdm_context->local_context.capability.max_spdm_msg_size;
81 : }
82 :
83 : #if LIBSPDM_RESPOND_IF_READY_SUPPORT
84 : /* sixth section */
85 122 : uint32_t libspdm_get_scratch_buffer_cache_spdm_request_offset(libspdm_context_t *spdm_context) {
86 122 : return 0 +
87 : #if LIBSPDM_ENABLE_CAPABILITY_CHUNK_CAP
88 122 : libspdm_get_scratch_buffer_secure_message_capacity(spdm_context) +
89 122 : libspdm_get_scratch_buffer_large_message_capacity(spdm_context) +
90 : #endif
91 122 : libspdm_get_scratch_buffer_sender_receiver_capacity(spdm_context) +
92 : #if LIBSPDM_ENABLE_CAPABILITY_CHUNK_CAP
93 122 : libspdm_get_scratch_buffer_large_sender_receiver_capacity(spdm_context) +
94 : #endif
95 122 : libspdm_get_scratch_buffer_last_spdm_request_capacity(spdm_context) +
96 : 0;
97 : }
98 :
99 274097 : uint32_t libspdm_get_scratch_buffer_cache_spdm_request_capacity(libspdm_context_t *spdm_context) {
100 274097 : return spdm_context->local_context.capability.max_spdm_msg_size;
101 : }
102 : #endif
103 :
104 : /* combination */
105 137157 : uint32_t libspdm_get_scratch_buffer_capacity(libspdm_context_t *spdm_context) {
106 137157 : return 0 +
107 : #if LIBSPDM_ENABLE_CAPABILITY_CHUNK_CAP
108 137157 : libspdm_get_scratch_buffer_secure_message_capacity(spdm_context) +
109 137157 : libspdm_get_scratch_buffer_large_message_capacity(spdm_context) +
110 : #endif
111 137157 : libspdm_get_scratch_buffer_sender_receiver_capacity(spdm_context) +
112 : #if LIBSPDM_ENABLE_CAPABILITY_CHUNK_CAP
113 137157 : libspdm_get_scratch_buffer_large_sender_receiver_capacity(spdm_context) +
114 : #endif
115 137157 : libspdm_get_scratch_buffer_last_spdm_request_capacity(spdm_context) +
116 : #if LIBSPDM_RESPOND_IF_READY_SUPPORT
117 137157 : libspdm_get_scratch_buffer_cache_spdm_request_capacity(spdm_context) +
118 : #endif
119 : 0;
120 : }
121 :
122 : /**
123 : * Returns if an SPDM data_type requires session info.
124 : *
125 : * @param data_type SPDM data type.
126 : *
127 : * @retval true session info is required.
128 : * @retval false session info is not required.
129 : **/
130 42 : static bool need_session_info_for_data(libspdm_data_type_t data_type)
131 : {
132 42 : switch (data_type) {
133 0 : case LIBSPDM_DATA_SESSION_SECURED_MESSAGE_VERSION:
134 : case LIBSPDM_DATA_SESSION_USE_PSK:
135 : case LIBSPDM_DATA_SESSION_MUT_AUTH_REQUESTED:
136 : case LIBSPDM_DATA_SESSION_END_SESSION_ATTRIBUTES:
137 : case LIBSPDM_DATA_SESSION_POLICY:
138 : case LIBSPDM_DATA_SESSION_SEQUENCE_NUMBER_RSP_DIR:
139 : case LIBSPDM_DATA_SESSION_SEQUENCE_NUMBER_REQ_DIR:
140 : case LIBSPDM_DATA_SESSION_SEQUENCE_NUMBER_ENDIAN:
141 0 : return true;
142 42 : default:
143 42 : return false;
144 : }
145 : }
146 :
147 30 : libspdm_return_t libspdm_set_data(void *spdm_context, libspdm_data_type_t data_type,
148 : const libspdm_data_parameter_t *parameter, const void *data,
149 : size_t data_size)
150 : {
151 : libspdm_context_t *context;
152 : uint32_t session_id;
153 : uint32_t data32;
154 : libspdm_session_info_t *session_info;
155 : uint8_t slot_id;
156 : uint8_t mut_auth_requested;
157 : uint8_t root_cert_index;
158 : uint16_t data16;
159 : #if !(LIBSPDM_RECORD_TRANSCRIPT_DATA_SUPPORT) && LIBSPDM_CERT_PARSE_SUPPORT
160 : bool status;
161 : const uint8_t *cert_buffer;
162 : size_t cert_buffer_size;
163 : #endif
164 :
165 30 : if (spdm_context == NULL || data_type >= LIBSPDM_DATA_MAX) {
166 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
167 : }
168 :
169 30 : context = spdm_context;
170 :
171 30 : if (need_session_info_for_data(data_type)) {
172 0 : if (parameter->location != LIBSPDM_DATA_LOCATION_SESSION) {
173 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
174 : }
175 0 : session_id = libspdm_read_uint32(parameter->additional_data);
176 0 : session_info = libspdm_get_session_info_via_session_id(context, session_id);
177 0 : if (session_info == NULL) {
178 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
179 : }
180 : } else {
181 30 : session_info = NULL;
182 : }
183 :
184 30 : switch (data_type) {
185 0 : case LIBSPDM_DATA_SPDM_VERSION:
186 0 : LIBSPDM_ASSERT (data_size <= sizeof(spdm_version_number_t) * SPDM_MAX_VERSION_COUNT);
187 0 : if (parameter->location == LIBSPDM_DATA_LOCATION_CONNECTION) {
188 : /* Only have one connected version */
189 0 : LIBSPDM_ASSERT (data_size == sizeof(spdm_version_number_t));
190 0 : libspdm_copy_mem(&(context->connection_info.version),
191 : sizeof(context->connection_info.version),
192 : data,
193 : sizeof(spdm_version_number_t));
194 0 : } else if (parameter->location == LIBSPDM_DATA_LOCATION_LOCAL) {
195 0 : context->local_context.version.spdm_version_count =
196 0 : (uint8_t)(data_size / sizeof(spdm_version_number_t));
197 0 : libspdm_copy_mem(context->local_context.version.spdm_version,
198 : sizeof(context->local_context.version.spdm_version),
199 : data,
200 0 : context->local_context.version.spdm_version_count *
201 : sizeof(spdm_version_number_t));
202 : } else {
203 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
204 : }
205 0 : break;
206 0 : case LIBSPDM_DATA_SECURED_MESSAGE_VERSION:
207 0 : LIBSPDM_ASSERT (data_size <=
208 : sizeof(spdm_version_number_t) * SECURED_SPDM_MAX_VERSION_COUNT);
209 0 : if (parameter->location == LIBSPDM_DATA_LOCATION_LOCAL) {
210 0 : context->local_context.secured_message_version.secured_message_version_count =
211 0 : (uint8_t)(data_size / sizeof(spdm_version_number_t));
212 0 : libspdm_copy_mem(context->local_context.secured_message_version.secured_message_version,
213 : sizeof(context->local_context.secured_message_version.secured_message_version),
214 : data,
215 0 : context->local_context.secured_message_version.
216 : secured_message_version_count * sizeof(spdm_version_number_t));
217 : } else {
218 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
219 : }
220 0 : break;
221 0 : case LIBSPDM_DATA_CAPABILITY_FLAGS:
222 0 : if (data_size != sizeof(uint32_t)) {
223 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
224 : }
225 :
226 0 : data32 = libspdm_read_uint32((const uint8_t *)data);
227 :
228 0 : if (parameter->location == LIBSPDM_DATA_LOCATION_LOCAL) {
229 : #if !(LIBSPDM_ENABLE_CAPABILITY_CERT_CAP)
230 : LIBSPDM_ASSERT((data32 & SPDM_GET_CAPABILITIES_RESPONSE_FLAGS_CERT_CAP) == 0);
231 : #endif /* !LIBSPDM_ENABLE_CAPABILITY_CERT_CAP */
232 :
233 : #if !(LIBSPDM_ENABLE_CAPABILITY_CHAL_CAP)
234 : LIBSPDM_ASSERT((data32 & SPDM_GET_CAPABILITIES_RESPONSE_FLAGS_CHAL_CAP) == 0);
235 : #endif /* !LIBSPDM_ENABLE_CAPABILITY_CHAL_CAP */
236 :
237 : #if !(LIBSPDM_ENABLE_CAPABILITY_MEAS_CAP)
238 : LIBSPDM_ASSERT((data32 & SPDM_GET_CAPABILITIES_RESPONSE_FLAGS_MEAS_CAP) == 0);
239 : #endif /* !LIBSPDM_ENABLE_CAPABILITY_MEAS_CAP */
240 :
241 : #if !(LIBSPDM_ENABLE_CAPABILITY_MEL_CAP)
242 : LIBSPDM_ASSERT((data32 & SPDM_GET_CAPABILITIES_RESPONSE_FLAGS_MEL_CAP) == 0);
243 : #endif /* !LIBSPDM_ENABLE_CAPABILITY_MEL_CAP */
244 :
245 : #if !(LIBSPDM_ENABLE_CAPABILITY_KEY_EX_CAP)
246 : LIBSPDM_ASSERT((data32 & SPDM_GET_CAPABILITIES_RESPONSE_FLAGS_KEY_EX_CAP) == 0);
247 : #endif /* !LIBSPDM_ENABLE_CAPABILITY_KEY_EX_CAP */
248 :
249 : #if !(LIBSPDM_ENABLE_CAPABILITY_PSK_CAP)
250 : LIBSPDM_ASSERT((data32 & SPDM_GET_CAPABILITIES_RESPONSE_FLAGS_PSK_CAP) == 0);
251 : #endif /* !LIBSPDM_ENABLE_CAPABILITY_PSK_CAP */
252 :
253 : #if !(LIBSPDM_ENABLE_CAPABILITY_ENDPOINT_INFO_CAP)
254 : LIBSPDM_ASSERT((data32 & SPDM_GET_CAPABILITIES_RESPONSE_FLAGS_EP_INFO_CAP) == 0);
255 : #endif /* !LIBSPDM_ENABLE_CAPABILITY_ENDPOINT_INFO_CAP */
256 :
257 0 : context->local_context.capability.flags = data32;
258 0 : } else if (parameter->location == LIBSPDM_DATA_LOCATION_CONNECTION) {
259 0 : context->connection_info.capability.flags = data32;
260 : } else {
261 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
262 : }
263 0 : break;
264 0 : case LIBSPDM_DATA_CAPABILITY_EXT_FLAGS:
265 0 : if (data_size != sizeof(uint16_t)) {
266 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
267 : }
268 :
269 0 : data16 = libspdm_read_uint16((const uint8_t *)data);
270 :
271 0 : if (parameter->location == LIBSPDM_DATA_LOCATION_LOCAL) {
272 0 : context->local_context.capability.ext_flags = data16;
273 0 : } else if (parameter->location == LIBSPDM_DATA_LOCATION_CONNECTION) {
274 0 : context->connection_info.capability.ext_flags = data16;
275 : } else {
276 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
277 : }
278 0 : break;
279 0 : case LIBSPDM_DATA_CAPABILITY_CT_EXPONENT:
280 0 : if (data_size != sizeof(uint8_t)) {
281 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
282 : }
283 0 : if (parameter->location == LIBSPDM_DATA_LOCATION_CONNECTION) {
284 0 : context->connection_info.capability.ct_exponent = *(const uint8_t *)data;
285 0 : } else if (parameter->location == LIBSPDM_DATA_LOCATION_LOCAL) {
286 0 : context->local_context.capability.ct_exponent = *(const uint8_t *)data;
287 : } else {
288 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
289 : }
290 0 : break;
291 0 : case LIBSPDM_DATA_CAPABILITY_RTT_US:
292 0 : if (data_size != sizeof(uint64_t)) {
293 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
294 : }
295 0 : if (parameter->location != LIBSPDM_DATA_LOCATION_LOCAL) {
296 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
297 : }
298 0 : context->local_context.capability.rtt = libspdm_read_uint64((const uint8_t *)data);
299 0 : break;
300 0 : case LIBSPDM_DATA_CAPABILITY_MAX_SPDM_MSG_SIZE:
301 0 : if (data_size != sizeof(uint32_t)) {
302 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
303 : }
304 : /* The local max_spdm_msg_size is set by libspdm_register_transport_layer_func.
305 : * Only the connection's max_spdm_msg_size is settable here. */
306 0 : if (parameter->location != LIBSPDM_DATA_LOCATION_CONNECTION) {
307 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
308 : }
309 0 : data32 = libspdm_read_uint32((const uint8_t *)data);
310 0 : LIBSPDM_ASSERT (data32 >= SPDM_MIN_DATA_TRANSFER_SIZE_VERSION_12);
311 0 : context->connection_info.capability.max_spdm_msg_size = data32;
312 0 : break;
313 0 : case LIBSPDM_DATA_MEASUREMENT_SPEC:
314 0 : if (data_size != sizeof(uint8_t)) {
315 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
316 : }
317 0 : if (parameter->location == LIBSPDM_DATA_LOCATION_CONNECTION) {
318 0 : context->connection_info.algorithm.measurement_spec = *(const uint8_t *)data;
319 0 : } else if (parameter->location == LIBSPDM_DATA_LOCATION_LOCAL) {
320 0 : context->local_context.algorithm.measurement_spec = *(const uint8_t *)data;
321 : } else {
322 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
323 : }
324 0 : break;
325 0 : case LIBSPDM_DATA_MEASUREMENT_HASH_ALGO:
326 0 : if (data_size != sizeof(uint32_t)) {
327 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
328 : }
329 0 : data32 = libspdm_read_uint32((const uint8_t *)data);
330 0 : if (parameter->location == LIBSPDM_DATA_LOCATION_CONNECTION) {
331 0 : context->connection_info.algorithm.measurement_hash_algo = data32;
332 0 : } else if (parameter->location == LIBSPDM_DATA_LOCATION_LOCAL) {
333 0 : context->local_context.algorithm.measurement_hash_algo = data32;
334 : } else {
335 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
336 : }
337 0 : break;
338 0 : case LIBSPDM_DATA_BASE_ASYM_ALGO:
339 0 : if (data_size != sizeof(uint32_t)) {
340 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
341 : }
342 0 : data32 = libspdm_read_uint32((const uint8_t *)data);
343 0 : if (parameter->location == LIBSPDM_DATA_LOCATION_CONNECTION) {
344 0 : context->connection_info.algorithm.base_asym_algo = data32;
345 0 : } else if (parameter->location == LIBSPDM_DATA_LOCATION_LOCAL) {
346 0 : context->local_context.algorithm.base_asym_algo = data32;
347 : } else {
348 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
349 : }
350 0 : break;
351 0 : case LIBSPDM_DATA_BASE_HASH_ALGO:
352 0 : if (data_size != sizeof(uint32_t)) {
353 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
354 : }
355 0 : data32 = libspdm_read_uint32((const uint8_t *)data);
356 0 : if (parameter->location == LIBSPDM_DATA_LOCATION_CONNECTION) {
357 0 : context->connection_info.algorithm.base_hash_algo = data32;
358 0 : } else if (parameter->location == LIBSPDM_DATA_LOCATION_LOCAL) {
359 0 : context->local_context.algorithm.base_hash_algo = data32;
360 : } else {
361 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
362 : }
363 0 : break;
364 0 : case LIBSPDM_DATA_DHE_NAME_GROUP:
365 0 : if (data_size != sizeof(uint16_t)) {
366 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
367 : }
368 0 : data16 = libspdm_read_uint16((const uint8_t *)data);
369 0 : if (parameter->location == LIBSPDM_DATA_LOCATION_CONNECTION) {
370 0 : context->connection_info.algorithm.dhe_named_group = data16;
371 0 : } else if (parameter->location == LIBSPDM_DATA_LOCATION_LOCAL) {
372 0 : context->local_context.algorithm.dhe_named_group = data16;
373 : } else {
374 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
375 : }
376 0 : break;
377 0 : case LIBSPDM_DATA_AEAD_CIPHER_SUITE:
378 0 : if (data_size != sizeof(uint16_t)) {
379 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
380 : }
381 0 : data16 = libspdm_read_uint16((const uint8_t *)data);
382 0 : if (parameter->location == LIBSPDM_DATA_LOCATION_CONNECTION) {
383 0 : context->connection_info.algorithm.aead_cipher_suite = data16;
384 0 : } else if (parameter->location == LIBSPDM_DATA_LOCATION_LOCAL) {
385 0 : context->local_context.algorithm.aead_cipher_suite = data16;
386 : } else {
387 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
388 : }
389 0 : break;
390 0 : case LIBSPDM_DATA_REQ_BASE_ASYM_ALG:
391 0 : if (data_size != sizeof(uint16_t)) {
392 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
393 : }
394 0 : data16 = libspdm_read_uint16((const uint8_t *)data);
395 0 : if (parameter->location == LIBSPDM_DATA_LOCATION_CONNECTION) {
396 0 : context->connection_info.algorithm.req_base_asym_alg = data16;
397 0 : } else if (parameter->location == LIBSPDM_DATA_LOCATION_LOCAL) {
398 0 : context->local_context.algorithm.req_base_asym_alg = data16;
399 : } else {
400 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
401 : }
402 0 : break;
403 0 : case LIBSPDM_DATA_KEY_SCHEDULE:
404 0 : if (data_size != sizeof(uint16_t)) {
405 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
406 : }
407 0 : data16 = libspdm_read_uint16((const uint8_t *)data);
408 0 : if (parameter->location == LIBSPDM_DATA_LOCATION_CONNECTION) {
409 0 : context->connection_info.algorithm.key_schedule = data16;
410 0 : } else if (parameter->location == LIBSPDM_DATA_LOCATION_LOCAL) {
411 0 : context->local_context.algorithm.key_schedule = data16;
412 : } else {
413 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
414 : }
415 0 : break;
416 0 : case LIBSPDM_DATA_OTHER_PARAMS_SUPPORT:
417 0 : if (data_size != sizeof(uint8_t)) {
418 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
419 : }
420 0 : if (parameter->location == LIBSPDM_DATA_LOCATION_CONNECTION) {
421 0 : context->connection_info.algorithm.other_params_support = *(const uint8_t *)data;
422 0 : } else if (parameter->location == LIBSPDM_DATA_LOCATION_LOCAL) {
423 0 : context->local_context.algorithm.other_params_support = *(const uint8_t *)data;
424 : } else {
425 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
426 : }
427 0 : break;
428 0 : case LIBSPDM_DATA_MEL_SPEC:
429 0 : if (data_size != sizeof(uint8_t)) {
430 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
431 : }
432 0 : if (parameter->location == LIBSPDM_DATA_LOCATION_CONNECTION) {
433 0 : context->connection_info.algorithm.mel_spec = *(const uint8_t *)data;
434 0 : } else if (parameter->location == LIBSPDM_DATA_LOCATION_LOCAL) {
435 0 : context->local_context.algorithm.mel_spec = *(const uint8_t *)data;
436 : } else {
437 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
438 : }
439 0 : break;
440 0 : case LIBSPDM_DATA_PQC_ASYM_ALGO:
441 0 : if (data_size != sizeof(uint32_t)) {
442 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
443 : }
444 0 : data32 = libspdm_read_uint32((const uint8_t *)data);
445 0 : if (parameter->location == LIBSPDM_DATA_LOCATION_CONNECTION) {
446 0 : context->connection_info.algorithm.pqc_asym_algo = data32;
447 0 : } else if (parameter->location == LIBSPDM_DATA_LOCATION_LOCAL) {
448 0 : context->local_context.algorithm.pqc_asym_algo = data32;
449 : } else {
450 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
451 : }
452 0 : break;
453 0 : case LIBSPDM_DATA_REQ_PQC_ASYM_ALG:
454 0 : if (data_size != sizeof(uint32_t)) {
455 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
456 : }
457 0 : data32 = libspdm_read_uint32((const uint8_t *)data);
458 0 : if (parameter->location == LIBSPDM_DATA_LOCATION_CONNECTION) {
459 0 : context->connection_info.algorithm.req_pqc_asym_alg = data32;
460 0 : } else if (parameter->location == LIBSPDM_DATA_LOCATION_LOCAL) {
461 0 : context->local_context.algorithm.req_pqc_asym_alg = data32;
462 : } else {
463 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
464 : }
465 0 : break;
466 0 : case LIBSPDM_DATA_KEM_ALG:
467 0 : if (data_size != sizeof(uint32_t)) {
468 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
469 : }
470 0 : data32 = libspdm_read_uint32((const uint8_t *)data);
471 0 : if (parameter->location == LIBSPDM_DATA_LOCATION_CONNECTION) {
472 0 : context->connection_info.algorithm.kem_alg = data32;
473 0 : } else if (parameter->location == LIBSPDM_DATA_LOCATION_LOCAL) {
474 0 : context->local_context.algorithm.kem_alg = data32;
475 : } else {
476 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
477 : }
478 0 : break;
479 0 : case LIBSPDM_DATA_ALGO_PRIORITY_PQC_FIRST:
480 0 : if (data_size != sizeof(bool)) {
481 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
482 : }
483 0 : if (parameter->location == LIBSPDM_DATA_LOCATION_LOCAL) {
484 0 : context->local_context.algorithm.pqc_first = *(const bool *)data;
485 : } else {
486 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
487 : }
488 0 : break;
489 0 : case LIBSPDM_DATA_CONNECTION_STATE:
490 0 : if (data_size != sizeof(libspdm_connection_state_t)) {
491 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
492 : }
493 0 : if (parameter->location != LIBSPDM_DATA_LOCATION_CONNECTION) {
494 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
495 : }
496 0 : context->connection_info.connection_state = libspdm_read_uint32((const uint8_t *)data);
497 0 : break;
498 0 : case LIBSPDM_DATA_RESPONSE_STATE:
499 0 : if (data_size != sizeof(libspdm_response_state_t)) {
500 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
501 : }
502 0 : context->response_state = libspdm_read_uint32((const uint8_t *)data);
503 0 : break;
504 2 : case LIBSPDM_DATA_PEER_PUBLIC_ROOT_CERT:
505 2 : if (parameter->location != LIBSPDM_DATA_LOCATION_LOCAL) {
506 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
507 : }
508 2 : root_cert_index = 0;
509 11 : while (context->local_context.peer_root_cert_provision[root_cert_index] != NULL) {
510 10 : root_cert_index++;
511 10 : if (root_cert_index >= LIBSPDM_MAX_ROOT_CERT_SUPPORT) {
512 1 : return LIBSPDM_STATUS_BUFFER_FULL;
513 : }
514 : }
515 1 : context->local_context.peer_root_cert_provision_size[root_cert_index] = data_size;
516 1 : context->local_context.peer_root_cert_provision[root_cert_index] = data;
517 1 : break;
518 11 : case LIBSPDM_DATA_LOCAL_PUBLIC_CERT_CHAIN:
519 11 : if (parameter->location != LIBSPDM_DATA_LOCATION_LOCAL) {
520 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
521 : }
522 11 : slot_id = parameter->additional_data[0];
523 11 : if (slot_id >= SPDM_MAX_SLOT_COUNT) {
524 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
525 : }
526 11 : context->local_context.local_cert_chain_provision_size[slot_id] = data_size;
527 11 : context->local_context.local_cert_chain_provision[slot_id] = data;
528 11 : break;
529 0 : case LIBSPDM_DATA_LOCAL_SUPPORTED_SLOT_MASK:
530 0 : if (parameter->location != LIBSPDM_DATA_LOCATION_LOCAL) {
531 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
532 : }
533 0 : if (data_size != sizeof(uint8_t)) {
534 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
535 : }
536 0 : context->local_context.local_supported_slot_mask = *(const uint8_t *)data;
537 0 : break;
538 0 : case LIBSPDM_DATA_LOCAL_KEY_PAIR_ID:
539 0 : if (parameter->location != LIBSPDM_DATA_LOCATION_LOCAL) {
540 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
541 : }
542 0 : slot_id = parameter->additional_data[0];
543 0 : if (slot_id >= SPDM_MAX_SLOT_COUNT) {
544 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
545 : }
546 0 : if (data_size != sizeof(spdm_key_pair_id_t)) {
547 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
548 : }
549 0 : context->local_context.local_key_pair_id[slot_id] = *(const spdm_key_pair_id_t *)data;
550 0 : break;
551 0 : case LIBSPDM_DATA_LOCAL_CERT_INFO:
552 0 : if (parameter->location != LIBSPDM_DATA_LOCATION_LOCAL) {
553 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
554 : }
555 0 : slot_id = parameter->additional_data[0];
556 0 : if (slot_id >= SPDM_MAX_SLOT_COUNT) {
557 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
558 : }
559 0 : if (data_size != sizeof(spdm_certificate_info_t)) {
560 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
561 : }
562 0 : context->local_context.local_cert_info[slot_id] = *(const spdm_certificate_info_t *)data;
563 0 : break;
564 0 : case LIBSPDM_DATA_LOCAL_KEY_USAGE_BIT_MASK:
565 0 : if (parameter->location != LIBSPDM_DATA_LOCATION_LOCAL) {
566 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
567 : }
568 0 : slot_id = parameter->additional_data[0];
569 0 : if (slot_id >= SPDM_MAX_SLOT_COUNT) {
570 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
571 : }
572 0 : if (data_size != sizeof(spdm_key_usage_bit_mask_t)) {
573 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
574 : }
575 0 : context->local_context.local_key_usage_bit_mask[slot_id] =
576 0 : libspdm_read_uint16((const uint8_t *)data);
577 0 : break;
578 3 : case LIBSPDM_DATA_PEER_USED_CERT_CHAIN_BUFFER:
579 3 : if (parameter->location != LIBSPDM_DATA_LOCATION_CONNECTION) {
580 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
581 : }
582 3 : slot_id = parameter->additional_data[0];
583 3 : if (slot_id >= SPDM_MAX_SLOT_COUNT) {
584 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
585 : }
586 : #if LIBSPDM_RECORD_TRANSCRIPT_DATA_SUPPORT
587 : if (data_size > LIBSPDM_MAX_CERT_CHAIN_SIZE) {
588 : return LIBSPDM_STATUS_BUFFER_TOO_SMALL;
589 : }
590 : context->connection_info.peer_used_cert_chain[slot_id].buffer_size = data_size;
591 : libspdm_copy_mem(context->connection_info.peer_used_cert_chain[slot_id].buffer,
592 : sizeof(context->connection_info.peer_used_cert_chain[slot_id].buffer),
593 : data, data_size);
594 : #else
595 : #if LIBSPDM_CERT_PARSE_SUPPORT
596 3 : status = libspdm_hash_all(
597 : context->connection_info.algorithm.base_hash_algo,
598 : data, data_size,
599 3 : context->connection_info.peer_used_cert_chain[slot_id].buffer_hash);
600 3 : if (!status) {
601 0 : return LIBSPDM_STATUS_CRYPTO_ERROR;
602 : }
603 :
604 6 : context->connection_info.peer_used_cert_chain[slot_id].buffer_hash_size =
605 3 : libspdm_get_hash_size(context->connection_info.algorithm.base_hash_algo);
606 :
607 : /*process the SPDM cert header and hash*/
608 3 : data = (const uint8_t *)data + sizeof(spdm_cert_chain_t) +
609 3 : libspdm_get_hash_size(context->connection_info.algorithm.base_hash_algo);
610 3 : data_size = data_size -
611 : (sizeof(spdm_cert_chain_t) +
612 3 : libspdm_get_hash_size(context->connection_info.algorithm.base_hash_algo));
613 :
614 : /* Get leaf cert from cert chain */
615 3 : status = libspdm_x509_get_cert_from_cert_chain(data, data_size, -1,
616 : &cert_buffer, &cert_buffer_size);
617 3 : if (!status) {
618 0 : return LIBSPDM_STATUS_CRYPTO_ERROR;
619 : }
620 :
621 3 : status = false;
622 : #if (LIBSPDM_RSA_SSA_SUPPORT) || (LIBSPDM_RSA_PSS_SUPPORT)
623 3 : if (!status) {
624 3 : status = libspdm_rsa_get_public_key_from_x509(
625 : cert_buffer, cert_buffer_size,
626 3 : &context->connection_info.peer_used_cert_chain[slot_id].leaf_cert_public_key);
627 : }
628 : #endif
629 : #if LIBSPDM_ECDSA_SUPPORT
630 3 : if (!status) {
631 3 : status = libspdm_ec_get_public_key_from_x509(
632 : cert_buffer, cert_buffer_size,
633 3 : &context->connection_info.peer_used_cert_chain[slot_id].leaf_cert_public_key);
634 : }
635 : #endif
636 : #if (LIBSPDM_EDDSA_ED25519_SUPPORT) || (LIBSPDM_EDDSA_ED448_SUPPORT)
637 : if (!status) {
638 : status = libspdm_ecd_get_public_key_from_x509(
639 : cert_buffer, cert_buffer_size,
640 : &context->connection_info.peer_used_cert_chain[slot_id].leaf_cert_public_key);
641 : }
642 : #endif
643 : #if LIBSPDM_SM2_DSA_SUPPORT
644 : if (!status) {
645 : status = libspdm_sm2_get_public_key_from_x509(
646 : cert_buffer, cert_buffer_size,
647 : &context->connection_info.peer_used_cert_chain[slot_id].leaf_cert_public_key);
648 : }
649 : #endif
650 3 : if (!status) {
651 0 : return LIBSPDM_STATUS_INVALID_CERT;
652 : }
653 : #else
654 : LIBSPDM_ASSERT (false);
655 : #endif /* LIBSPDM_CERT_PARSE_SUPPORT */
656 : #endif /* LIBSPDM_RECORD_TRANSCRIPT_DATA_SUPPORT */
657 3 : break;
658 0 : case LIBSPDM_DATA_PEER_PUBLIC_KEY:
659 0 : if (parameter->location != LIBSPDM_DATA_LOCATION_LOCAL) {
660 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
661 : }
662 0 : context->local_context.peer_public_key_provision_size = data_size;
663 0 : context->local_context.peer_public_key_provision = data;
664 0 : break;
665 0 : case LIBSPDM_DATA_LOCAL_PUBLIC_KEY:
666 0 : if (parameter->location != LIBSPDM_DATA_LOCATION_LOCAL) {
667 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
668 : }
669 0 : context->local_context.local_public_key_provision_size = data_size;
670 0 : context->local_context.local_public_key_provision = data;
671 0 : break;
672 0 : case LIBSPDM_DATA_MUT_AUTH_REQUESTED:
673 0 : if (data_size != sizeof(uint8_t)) {
674 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
675 : }
676 0 : if (parameter->location != LIBSPDM_DATA_LOCATION_LOCAL) {
677 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
678 : }
679 0 : mut_auth_requested = *(const uint8_t *)data;
680 0 : if (((mut_auth_requested != 0) &&
681 : (mut_auth_requested !=
682 0 : SPDM_KEY_EXCHANGE_RESPONSE_MUT_AUTH_REQUESTED) &&
683 : (mut_auth_requested !=
684 0 : SPDM_KEY_EXCHANGE_RESPONSE_MUT_AUTH_REQUESTED_WITH_ENCAP_REQUEST) &&
685 : (mut_auth_requested !=
686 : SPDM_KEY_EXCHANGE_RESPONSE_MUT_AUTH_REQUESTED_WITH_GET_DIGESTS))) {
687 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
688 : }
689 0 : context->encap_context.request_id = 0;
690 0 : slot_id = parameter->additional_data[0];
691 0 : if ((slot_id >= SPDM_MAX_SLOT_COUNT) && (slot_id != 0xFF)) {
692 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
693 : }
694 0 : context->encap_context.req_slot_id = slot_id;
695 0 : break;
696 0 : case LIBSPDM_DATA_HEARTBEAT_PERIOD:
697 0 : if (data_size != sizeof(uint8_t)) {
698 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
699 : }
700 0 : if (parameter->location != LIBSPDM_DATA_LOCATION_LOCAL) {
701 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
702 : }
703 0 : context->local_context.heartbeat_period = *(const uint8_t *)data;
704 0 : break;
705 4 : case LIBSPDM_DATA_APP_CONTEXT_DATA:
706 4 : if (data_size != sizeof(void *) || *(void *const *)data == NULL) {
707 2 : return LIBSPDM_STATUS_INVALID_PARAMETER;
708 : }
709 2 : context->app_context_data_ptr = *(void *const *)data;
710 2 : break;
711 0 : case LIBSPDM_DATA_HANDLE_ERROR_RETURN_POLICY:
712 0 : if (data_size != sizeof(uint8_t)) {
713 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
714 : }
715 0 : context->handle_error_return_policy = *(const uint8_t *)data;
716 0 : break;
717 0 : case LIBSPDM_DATA_VCA_CACHE:
718 0 : if (data_size > sizeof(context->transcript.message_a.buffer)) {
719 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
720 : }
721 0 : context->transcript.message_a.buffer_size = data_size;
722 0 : libspdm_copy_mem(context->transcript.message_a.buffer,
723 : sizeof(context->transcript.message_a.buffer),
724 : data, data_size);
725 0 : break;
726 0 : case LIBSPDM_DATA_IS_REQUESTER:
727 0 : if (data_size != sizeof(bool)) {
728 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
729 : }
730 0 : if (parameter->location != LIBSPDM_DATA_LOCATION_LOCAL) {
731 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
732 : }
733 0 : context->local_context.is_requester = *(const bool *)data;
734 0 : break;
735 0 : case LIBSPDM_DATA_REQUEST_RETRY_TIMES:
736 0 : if (data_size != sizeof(uint8_t)) {
737 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
738 : }
739 0 : context->retry_times = *(const uint8_t *)data;
740 0 : break;
741 0 : case LIBSPDM_DATA_REQUEST_RETRY_DELAY_TIME:
742 0 : if (data_size != sizeof(uint64_t)) {
743 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
744 : }
745 0 : context->retry_delay_time = *(const uint64_t *)data;
746 0 : break;
747 5 : case LIBSPDM_DATA_MAX_DHE_SESSION_COUNT:
748 5 : if (data_size != sizeof(uint32_t)) {
749 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
750 : }
751 5 : if (*(const uint32_t *)data > LIBSPDM_MAX_SESSION_COUNT - context->max_psk_session_count) {
752 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
753 : }
754 5 : context->max_dhe_session_count = *(const uint32_t *)data;
755 5 : break;
756 5 : case LIBSPDM_DATA_MAX_PSK_SESSION_COUNT:
757 5 : if (data_size != sizeof(uint32_t)) {
758 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
759 : }
760 5 : if (*(const uint32_t *)data > LIBSPDM_MAX_SESSION_COUNT - context->max_dhe_session_count) {
761 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
762 : }
763 5 : context->max_psk_session_count = *(const uint32_t *)data;
764 5 : break;
765 0 : case LIBSPDM_DATA_MAX_SPDM_SESSION_SEQUENCE_NUMBER:
766 0 : if (data_size != sizeof(uint64_t)) {
767 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
768 : }
769 0 : context->max_spdm_session_sequence_number = *(const uint64_t *)data;
770 0 : if (context->max_spdm_session_sequence_number == 0) {
771 0 : context->max_spdm_session_sequence_number = LIBSPDM_MAX_SPDM_SESSION_SEQUENCE_NUMBER;
772 : }
773 0 : break;
774 0 : case LIBSPDM_DATA_SPDM_VERSION_10_11_VERIFY_SIGNATURE_ENDIAN:
775 0 : if (data_size != sizeof(uint8_t)) {
776 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
777 : }
778 0 : if (*(const uint8_t*)data != LIBSPDM_SPDM_10_11_VERIFY_SIGNATURE_ENDIAN_BIG_ONLY &&
779 0 : *(const uint8_t*)data != LIBSPDM_SPDM_10_11_VERIFY_SIGNATURE_ENDIAN_LITTLE_ONLY &&
780 0 : *(const uint8_t*)data != LIBSPDM_SPDM_10_11_VERIFY_SIGNATURE_ENDIAN_BIG_OR_LITTLE) {
781 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
782 : }
783 0 : context->spdm_10_11_verify_signature_endian = *(const uint8_t*)data;
784 0 : break;
785 0 : case LIBSPDM_DATA_SEQUENCE_NUMBER_ENDIAN:
786 0 : if (data_size != sizeof(uint8_t)) {
787 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
788 : }
789 0 : context->sequence_number_endian = *(const uint8_t *)data;
790 0 : break;
791 0 : case LIBSPDM_DATA_MULTI_KEY_CONN_REQ:
792 0 : if (parameter->location != LIBSPDM_DATA_LOCATION_CONNECTION) {
793 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
794 : }
795 0 : if (data_size != sizeof(bool)) {
796 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
797 : }
798 0 : context->connection_info.multi_key_conn_req = *(const bool *)data;
799 0 : break;
800 0 : case LIBSPDM_DATA_MULTI_KEY_CONN_RSP:
801 0 : if (parameter->location != LIBSPDM_DATA_LOCATION_CONNECTION) {
802 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
803 : }
804 0 : if (data_size != sizeof(bool)) {
805 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
806 : }
807 0 : context->connection_info.multi_key_conn_rsp = *(const bool *)data;
808 0 : break;
809 0 : default:
810 0 : return LIBSPDM_STATUS_UNSUPPORTED_CAP;
811 : break;
812 : }
813 :
814 27 : return LIBSPDM_STATUS_SUCCESS;
815 : }
816 :
817 12 : libspdm_return_t libspdm_get_data(void *spdm_context, libspdm_data_type_t data_type,
818 : const libspdm_data_parameter_t *parameter,
819 : void *data, size_t *data_size)
820 : {
821 : libspdm_context_t *context;
822 12 : libspdm_secured_message_context_t *secured_context = NULL;
823 : size_t target_data_size;
824 : void *target_data;
825 : uint32_t session_id;
826 : libspdm_session_info_t *session_info;
827 : uint8_t slot_id;
828 :
829 12 : if (spdm_context == NULL || data == NULL || data_size == NULL ||
830 : data_type >= LIBSPDM_DATA_MAX) {
831 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
832 : }
833 :
834 12 : context = spdm_context;
835 :
836 12 : if (data_type == LIBSPDM_DATA_SESSION_END_SESSION_ATTRIBUTES) {
837 : /* end_session_attributes is present in both a session context as well as an
838 : * spdm context. */
839 0 : session_id = libspdm_read_uint32(parameter->additional_data);
840 0 : session_info = libspdm_get_session_info_via_session_id(context, session_id);
841 12 : } else if (need_session_info_for_data(data_type)) {
842 0 : if (parameter->location != LIBSPDM_DATA_LOCATION_SESSION) {
843 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
844 : }
845 0 : session_id = libspdm_read_uint32(parameter->additional_data);
846 0 : session_info = libspdm_get_session_info_via_session_id(context, session_id);
847 0 : if (session_info == NULL) {
848 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
849 : }
850 0 : secured_context = session_info->secured_message_context;
851 : } else {
852 12 : session_info = NULL;
853 : }
854 :
855 12 : switch (data_type) {
856 0 : case LIBSPDM_DATA_SPDM_VERSION:
857 0 : if (parameter->location != LIBSPDM_DATA_LOCATION_CONNECTION) {
858 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
859 : }
860 0 : target_data_size = sizeof(spdm_version_number_t);
861 0 : target_data = &(context->connection_info.version);
862 0 : break;
863 0 : case LIBSPDM_DATA_SESSION_SECURED_MESSAGE_VERSION:
864 0 : target_data_size = sizeof(spdm_version_number_t);
865 0 : target_data = &(secured_context->secured_message_version);
866 0 : break;
867 0 : case LIBSPDM_DATA_CAPABILITY_FLAGS:
868 0 : target_data_size = sizeof(uint32_t);
869 0 : if (parameter->location == LIBSPDM_DATA_LOCATION_CONNECTION) {
870 0 : target_data = &context->connection_info.capability.flags;
871 0 : } else if (parameter->location == LIBSPDM_DATA_LOCATION_LOCAL) {
872 0 : target_data = &context->local_context.capability.flags;
873 : } else {
874 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
875 : }
876 0 : break;
877 0 : case LIBSPDM_DATA_CAPABILITY_EXT_FLAGS:
878 0 : target_data_size = sizeof(uint16_t);
879 0 : if (parameter->location == LIBSPDM_DATA_LOCATION_CONNECTION) {
880 0 : target_data = &context->connection_info.capability.ext_flags;
881 0 : } else if (parameter->location == LIBSPDM_DATA_LOCATION_LOCAL) {
882 0 : target_data = &context->local_context.capability.ext_flags;
883 : } else {
884 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
885 : }
886 0 : break;
887 0 : case LIBSPDM_DATA_CAPABILITY_CT_EXPONENT:
888 0 : target_data_size = sizeof(uint8_t);
889 0 : if (parameter->location == LIBSPDM_DATA_LOCATION_CONNECTION) {
890 0 : target_data = &context->connection_info.capability.ct_exponent;
891 0 : } else if (parameter->location == LIBSPDM_DATA_LOCATION_LOCAL) {
892 0 : target_data = &context->local_context.capability.ct_exponent;
893 : } else {
894 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
895 : }
896 0 : break;
897 0 : case LIBSPDM_DATA_CAPABILITY_DATA_TRANSFER_SIZE:
898 0 : target_data_size = sizeof(uint32_t);
899 0 : if (parameter->location == LIBSPDM_DATA_LOCATION_CONNECTION) {
900 0 : target_data = &context->connection_info.capability.data_transfer_size;
901 0 : } else if (parameter->location == LIBSPDM_DATA_LOCATION_LOCAL) {
902 0 : target_data = &context->local_context.capability.data_transfer_size;
903 : } else {
904 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
905 : }
906 0 : break;
907 0 : case LIBSPDM_DATA_CAPABILITY_MAX_SPDM_MSG_SIZE:
908 0 : target_data_size = sizeof(uint32_t);
909 0 : if (parameter->location == LIBSPDM_DATA_LOCATION_CONNECTION) {
910 0 : target_data = &context->connection_info.capability.max_spdm_msg_size;
911 0 : } else if (parameter->location == LIBSPDM_DATA_LOCATION_LOCAL) {
912 0 : target_data = &context->local_context.capability.max_spdm_msg_size;
913 : } else {
914 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
915 : }
916 0 : break;
917 0 : case LIBSPDM_DATA_CAPABILITY_SENDER_DATA_TRANSFER_SIZE:
918 0 : target_data_size = sizeof(uint32_t);
919 0 : if (parameter->location == LIBSPDM_DATA_LOCATION_CONNECTION) {
920 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
921 0 : } else if (parameter->location == LIBSPDM_DATA_LOCATION_LOCAL) {
922 0 : target_data = &context->local_context.capability.sender_data_transfer_size;
923 : } else {
924 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
925 : }
926 0 : break;
927 0 : case LIBSPDM_DATA_MEASUREMENT_SPEC:
928 0 : if (parameter->location != LIBSPDM_DATA_LOCATION_CONNECTION) {
929 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
930 : }
931 0 : target_data_size = sizeof(uint8_t);
932 0 : target_data = &context->connection_info.algorithm.measurement_spec;
933 0 : break;
934 0 : case LIBSPDM_DATA_MEASUREMENT_HASH_ALGO:
935 0 : if (parameter->location != LIBSPDM_DATA_LOCATION_CONNECTION) {
936 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
937 : }
938 0 : target_data_size = sizeof(uint32_t);
939 0 : target_data = &context->connection_info.algorithm.measurement_hash_algo;
940 0 : break;
941 0 : case LIBSPDM_DATA_BASE_ASYM_ALGO:
942 0 : if (parameter->location != LIBSPDM_DATA_LOCATION_CONNECTION) {
943 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
944 : }
945 0 : target_data_size = sizeof(uint32_t);
946 0 : target_data = &context->connection_info.algorithm.base_asym_algo;
947 0 : break;
948 0 : case LIBSPDM_DATA_BASE_HASH_ALGO:
949 0 : if (parameter->location != LIBSPDM_DATA_LOCATION_CONNECTION) {
950 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
951 : }
952 0 : target_data_size = sizeof(uint32_t);
953 0 : target_data = &context->connection_info.algorithm.base_hash_algo;
954 0 : break;
955 0 : case LIBSPDM_DATA_DHE_NAME_GROUP:
956 0 : if (parameter->location != LIBSPDM_DATA_LOCATION_CONNECTION) {
957 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
958 : }
959 0 : target_data_size = sizeof(uint16_t);
960 0 : target_data = &context->connection_info.algorithm.dhe_named_group;
961 0 : break;
962 0 : case LIBSPDM_DATA_AEAD_CIPHER_SUITE:
963 0 : if (parameter->location != LIBSPDM_DATA_LOCATION_CONNECTION) {
964 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
965 : }
966 0 : target_data_size = sizeof(uint16_t);
967 0 : target_data = &context->connection_info.algorithm.aead_cipher_suite;
968 0 : break;
969 0 : case LIBSPDM_DATA_REQ_BASE_ASYM_ALG:
970 0 : if (parameter->location != LIBSPDM_DATA_LOCATION_CONNECTION) {
971 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
972 : }
973 0 : target_data_size = sizeof(uint16_t);
974 0 : target_data = &context->connection_info.algorithm.req_base_asym_alg;
975 0 : break;
976 0 : case LIBSPDM_DATA_KEY_SCHEDULE:
977 0 : if (parameter->location != LIBSPDM_DATA_LOCATION_CONNECTION) {
978 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
979 : }
980 0 : target_data_size = sizeof(uint16_t);
981 0 : target_data = &context->connection_info.algorithm.key_schedule;
982 0 : break;
983 0 : case LIBSPDM_DATA_OTHER_PARAMS_SUPPORT:
984 0 : if (parameter->location != LIBSPDM_DATA_LOCATION_CONNECTION) {
985 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
986 : }
987 0 : target_data_size = sizeof(uint8_t);
988 0 : target_data = &context->connection_info.algorithm.other_params_support;
989 0 : break;
990 0 : case LIBSPDM_DATA_MEL_SPEC:
991 0 : if (parameter->location != LIBSPDM_DATA_LOCATION_CONNECTION) {
992 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
993 : }
994 0 : target_data_size = sizeof(uint8_t);
995 0 : target_data = &context->connection_info.algorithm.mel_spec;
996 0 : break;
997 0 : case LIBSPDM_DATA_PQC_ASYM_ALGO:
998 0 : if (parameter->location != LIBSPDM_DATA_LOCATION_CONNECTION) {
999 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
1000 : }
1001 0 : target_data_size = sizeof(uint32_t);
1002 0 : target_data = &context->connection_info.algorithm.pqc_asym_algo;
1003 0 : break;
1004 0 : case LIBSPDM_DATA_REQ_PQC_ASYM_ALG:
1005 0 : if (parameter->location != LIBSPDM_DATA_LOCATION_CONNECTION) {
1006 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
1007 : }
1008 0 : target_data_size = sizeof(uint32_t);
1009 0 : target_data = &context->connection_info.algorithm.req_pqc_asym_alg;
1010 0 : break;
1011 0 : case LIBSPDM_DATA_KEM_ALG:
1012 0 : if (parameter->location != LIBSPDM_DATA_LOCATION_CONNECTION) {
1013 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
1014 : }
1015 0 : target_data_size = sizeof(uint32_t);
1016 0 : target_data = &context->connection_info.algorithm.kem_alg;
1017 0 : break;
1018 0 : case LIBSPDM_DATA_CONNECTION_STATE:
1019 0 : if (parameter->location != LIBSPDM_DATA_LOCATION_CONNECTION) {
1020 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
1021 : }
1022 0 : target_data_size = sizeof(libspdm_connection_state_t);
1023 0 : target_data = &context->connection_info.connection_state;
1024 0 : break;
1025 0 : case LIBSPDM_DATA_RESPONSE_STATE:
1026 0 : target_data_size = sizeof(libspdm_response_state_t);
1027 0 : target_data = &context->response_state;
1028 0 : break;
1029 6 : case LIBSPDM_DATA_PEER_PROVISIONED_SLOT_MASK:
1030 6 : if (parameter->location != LIBSPDM_DATA_LOCATION_CONNECTION) {
1031 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
1032 : }
1033 6 : target_data_size = sizeof(uint8_t);
1034 6 : target_data = &context->connection_info.peer_provisioned_slot_mask;
1035 6 : break;
1036 0 : case LIBSPDM_DATA_PEER_SUPPORTED_SLOT_MASK:
1037 0 : if (parameter->location != LIBSPDM_DATA_LOCATION_CONNECTION) {
1038 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
1039 : }
1040 0 : target_data_size = sizeof(uint8_t);
1041 0 : target_data = &context->connection_info.peer_supported_slot_mask;
1042 0 : break;
1043 0 : case LIBSPDM_DATA_PEER_KEY_PAIR_ID:
1044 0 : if (parameter->location != LIBSPDM_DATA_LOCATION_CONNECTION) {
1045 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
1046 : }
1047 0 : slot_id = parameter->additional_data[0];
1048 0 : if (slot_id >= SPDM_MAX_SLOT_COUNT) {
1049 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
1050 : }
1051 0 : target_data_size = sizeof(spdm_key_pair_id_t);
1052 0 : target_data = &context->connection_info.peer_key_pair_id[slot_id];
1053 0 : break;
1054 0 : case LIBSPDM_DATA_PEER_CERT_INFO:
1055 0 : if (parameter->location != LIBSPDM_DATA_LOCATION_CONNECTION) {
1056 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
1057 : }
1058 0 : slot_id = parameter->additional_data[0];
1059 0 : if (slot_id >= SPDM_MAX_SLOT_COUNT) {
1060 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
1061 : }
1062 0 : target_data_size = sizeof(spdm_certificate_info_t);
1063 0 : target_data = &context->connection_info.peer_cert_info[slot_id];
1064 0 : break;
1065 0 : case LIBSPDM_DATA_PEER_KEY_USAGE_BIT_MASK:
1066 0 : if (parameter->location != LIBSPDM_DATA_LOCATION_CONNECTION) {
1067 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
1068 : }
1069 0 : slot_id = parameter->additional_data[0];
1070 0 : if (slot_id >= SPDM_MAX_SLOT_COUNT) {
1071 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
1072 : }
1073 0 : target_data_size = sizeof(spdm_key_usage_bit_mask_t);
1074 0 : target_data = &context->connection_info.peer_key_usage_bit_mask[slot_id];
1075 0 : break;
1076 0 : case LIBSPDM_DATA_SESSION_USE_PSK:
1077 0 : target_data_size = sizeof(bool);
1078 0 : target_data = &session_info->use_psk;
1079 0 : break;
1080 0 : case LIBSPDM_DATA_SESSION_MUT_AUTH_REQUESTED:
1081 0 : target_data_size = sizeof(uint8_t);
1082 0 : target_data = &session_info->mut_auth_requested;
1083 0 : break;
1084 0 : case LIBSPDM_DATA_SESSION_END_SESSION_ATTRIBUTES:
1085 0 : if (parameter->location != LIBSPDM_DATA_LOCATION_CONNECTION) {
1086 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
1087 : }
1088 0 : target_data_size = sizeof(uint8_t);
1089 0 : if (session_info == NULL) {
1090 0 : target_data = &context->connection_info.end_session_attributes;
1091 : } else {
1092 0 : target_data = &session_info->end_session_attributes;
1093 : }
1094 0 : break;
1095 0 : case LIBSPDM_DATA_SESSION_POLICY:
1096 0 : target_data_size = sizeof(uint8_t);
1097 0 : target_data = &session_info->session_policy;
1098 0 : break;
1099 6 : case LIBSPDM_DATA_APP_CONTEXT_DATA:
1100 6 : target_data_size = sizeof(void *);
1101 6 : target_data = &context->app_context_data_ptr;
1102 6 : break;
1103 0 : case LIBSPDM_DATA_HANDLE_ERROR_RETURN_POLICY:
1104 0 : target_data_size = sizeof(uint8_t);
1105 0 : target_data = &context->handle_error_return_policy;
1106 0 : break;
1107 0 : case LIBSPDM_DATA_MAX_DHE_SESSION_COUNT:
1108 0 : target_data_size = sizeof(uint32_t);
1109 0 : target_data = &context->max_dhe_session_count;
1110 0 : break;
1111 0 : case LIBSPDM_DATA_MAX_PSK_SESSION_COUNT:
1112 0 : target_data_size = sizeof(uint32_t);
1113 0 : target_data = &context->max_psk_session_count;
1114 0 : break;
1115 0 : case LIBSPDM_DATA_SESSION_SEQUENCE_NUMBER_REQ_DIR:
1116 0 : target_data_size = sizeof(uint64_t);
1117 0 : target_data = &secured_context->application_secret.request_data_sequence_number;
1118 0 : break;
1119 0 : case LIBSPDM_DATA_SESSION_SEQUENCE_NUMBER_RSP_DIR:
1120 0 : target_data_size = sizeof(uint64_t);
1121 0 : target_data = &secured_context->application_secret.response_data_sequence_number;
1122 0 : break;
1123 0 : case LIBSPDM_DATA_MAX_SPDM_SESSION_SEQUENCE_NUMBER:
1124 0 : target_data_size = sizeof(uint64_t);
1125 0 : target_data = &context->max_spdm_session_sequence_number;
1126 0 : break;
1127 0 : case LIBSPDM_DATA_VCA_CACHE:
1128 0 : target_data_size = context->transcript.message_a.buffer_size;
1129 0 : target_data = context->transcript.message_a.buffer;
1130 0 : break;
1131 0 : case LIBSPDM_DATA_REQUEST_AND_SIZE:
1132 0 : target_data_size = context->last_spdm_request_size;
1133 0 : target_data = context->last_spdm_request;
1134 0 : break;
1135 0 : case LIBSPDM_DATA_SPDM_VERSION_10_11_VERIFY_SIGNATURE_ENDIAN:
1136 0 : target_data_size = sizeof(uint8_t);
1137 0 : target_data = &context->spdm_10_11_verify_signature_endian;
1138 0 : break;
1139 0 : case LIBSPDM_DATA_SEQUENCE_NUMBER_ENDIAN:
1140 0 : target_data_size = sizeof(uint8_t);
1141 0 : target_data = &context->sequence_number_endian;
1142 0 : break;
1143 0 : case LIBSPDM_DATA_SESSION_SEQUENCE_NUMBER_ENDIAN:
1144 0 : target_data_size = sizeof(uint8_t);
1145 0 : target_data = &secured_context->sequence_number_endian;
1146 0 : break;
1147 0 : case LIBSPDM_DATA_MULTI_KEY_CONN_REQ:
1148 0 : if (parameter->location != LIBSPDM_DATA_LOCATION_CONNECTION) {
1149 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
1150 : }
1151 0 : target_data_size = sizeof(bool);
1152 0 : target_data = &context->connection_info.multi_key_conn_req;
1153 0 : break;
1154 0 : case LIBSPDM_DATA_MULTI_KEY_CONN_RSP:
1155 0 : if (parameter->location != LIBSPDM_DATA_LOCATION_CONNECTION) {
1156 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
1157 : }
1158 0 : target_data_size = sizeof(bool);
1159 0 : target_data = &context->connection_info.multi_key_conn_rsp;
1160 0 : break;
1161 0 : default:
1162 0 : return LIBSPDM_STATUS_UNSUPPORTED_CAP;
1163 : break;
1164 : }
1165 :
1166 12 : if (*data_size < target_data_size) {
1167 1 : *data_size = target_data_size;
1168 1 : return LIBSPDM_STATUS_BUFFER_TOO_SMALL;
1169 : }
1170 11 : libspdm_copy_mem(data, *data_size, target_data, target_data_size);
1171 11 : *data_size = target_data_size;
1172 :
1173 11 : return LIBSPDM_STATUS_SUCCESS;
1174 : }
1175 :
1176 : #if LIBSPDM_CHECK_SPDM_CONTEXT
1177 3 : bool libspdm_check_context (void *spdm_context)
1178 : {
1179 : libspdm_context_t *context;
1180 : size_t index;
1181 :
1182 3 : context = spdm_context;
1183 :
1184 3 : if (context->local_context.capability.data_transfer_size <
1185 : SPDM_MIN_DATA_TRANSFER_SIZE_VERSION_12) {
1186 1 : LIBSPDM_DEBUG((LIBSPDM_DEBUG_ERROR,
1187 : "data_transfer_size must be greater than or equal "
1188 : "to SPDM_MIN_DATA_TRANSFER_SIZE (%d).\n",
1189 : SPDM_MIN_DATA_TRANSFER_SIZE_VERSION_12));
1190 1 : return false;
1191 : }
1192 :
1193 2 : if (context->local_context.capability.max_spdm_msg_size <
1194 2 : context->local_context.capability.data_transfer_size) {
1195 1 : LIBSPDM_DEBUG((LIBSPDM_DEBUG_ERROR,
1196 : "max_spdm_msg_size (%d) must be greater than or "
1197 : "equal to data_transfer_size (%d).\n",
1198 : context->local_context.capability.max_spdm_msg_size,
1199 : context->local_context.capability.data_transfer_size));
1200 1 : return false;
1201 : }
1202 :
1203 1 : if (context->local_context.capability.sender_data_transfer_size <
1204 : SPDM_MIN_DATA_TRANSFER_SIZE_VERSION_12) {
1205 0 : LIBSPDM_DEBUG((LIBSPDM_DEBUG_ERROR,
1206 : "sender_data_transfer_size must be greater than or equal "
1207 : "to %d.\n", SPDM_MIN_DATA_TRANSFER_SIZE_VERSION_12));
1208 0 : return false;
1209 : }
1210 :
1211 1 : if (context->local_context.capability.max_spdm_msg_size <
1212 1 : context->local_context.capability.sender_data_transfer_size) {
1213 0 : LIBSPDM_DEBUG((LIBSPDM_DEBUG_ERROR,
1214 : "max_spdm_msg_size (%d) must be greater than or "
1215 : "equal to sender_data_transfer_size (%d).\n",
1216 : context->local_context.capability.max_spdm_msg_size,
1217 : context->local_context.capability.sender_data_transfer_size));
1218 0 : return false;
1219 : }
1220 :
1221 1 : if (((context->local_context.capability.flags &
1222 0 : SPDM_GET_CAPABILITIES_RESPONSE_FLAGS_CHUNK_CAP) != 0) &&
1223 0 : (context->local_context.capability.max_spdm_msg_size != 0)) {
1224 0 : for (index = 0; index < SPDM_MAX_SLOT_COUNT; index++) {
1225 0 : if ((context->local_context.local_cert_chain_provision_size[index] != 0) &&
1226 0 : (context->local_context.local_cert_chain_provision_size[index] +
1227 : sizeof(spdm_certificate_response_t) >
1228 0 : context->local_context.capability.max_spdm_msg_size)) {
1229 0 : LIBSPDM_DEBUG((LIBSPDM_DEBUG_ERROR,
1230 : "max_spdm_msg_size (%d) must be greater than or "
1231 : "equal to local_cert_chain_provision_size[%zu] (%zu).\n",
1232 : context->local_context.capability.max_spdm_msg_size, index,
1233 : context->local_context.local_cert_chain_provision_size[index]));
1234 0 : return false;
1235 : }
1236 : }
1237 : }
1238 :
1239 1 : return true;
1240 : }
1241 : #endif /* LIBSPDM_CHECK_CONTEXT */
1242 :
1243 689 : void libspdm_reset_message_a(libspdm_context_t *spdm_context)
1244 : {
1245 689 : libspdm_reset_managed_buffer(&spdm_context->transcript.message_a);
1246 689 : }
1247 :
1248 56 : void libspdm_reset_message_d(libspdm_context_t *spdm_context)
1249 : {
1250 56 : libspdm_reset_managed_buffer(&spdm_context->transcript.message_d);
1251 : /* Restarting the DIGESTS transcript reopens the "immediately follows VCA" window. */
1252 56 : spdm_context->connection_info.digest_transcript_window_closed = false;
1253 56 : }
1254 :
1255 1026 : void libspdm_reset_message_b(libspdm_context_t *spdm_context)
1256 : {
1257 : #if LIBSPDM_RECORD_TRANSCRIPT_DATA_SUPPORT
1258 : libspdm_reset_managed_buffer(&spdm_context->transcript.message_b);
1259 : #else
1260 1026 : if (spdm_context->transcript.digest_context_m1m2 != NULL) {
1261 188 : libspdm_hash_free (spdm_context->connection_info.algorithm.base_hash_algo,
1262 : spdm_context->transcript.digest_context_m1m2);
1263 188 : spdm_context->transcript.digest_context_m1m2 = NULL;
1264 : }
1265 : #endif
1266 1026 : }
1267 :
1268 599 : void libspdm_reset_message_c(libspdm_context_t *spdm_context)
1269 : {
1270 : #if LIBSPDM_RECORD_TRANSCRIPT_DATA_SUPPORT
1271 : libspdm_reset_managed_buffer(&spdm_context->transcript.message_c);
1272 : #else
1273 599 : if (spdm_context->transcript.digest_context_m1m2 != NULL) {
1274 0 : libspdm_hash_free (spdm_context->connection_info.algorithm.base_hash_algo,
1275 : spdm_context->transcript.digest_context_m1m2);
1276 0 : spdm_context->transcript.digest_context_m1m2 = NULL;
1277 : }
1278 : #endif
1279 599 : }
1280 :
1281 532 : void libspdm_reset_message_mut_b(libspdm_context_t *spdm_context)
1282 : {
1283 : #if LIBSPDM_RECORD_TRANSCRIPT_DATA_SUPPORT
1284 : libspdm_reset_managed_buffer(&spdm_context->transcript.message_mut_b);
1285 : #else
1286 532 : if (spdm_context->transcript.digest_context_mut_m1m2 != NULL) {
1287 33 : libspdm_hash_free (spdm_context->connection_info.algorithm.base_hash_algo,
1288 : spdm_context->transcript.digest_context_mut_m1m2);
1289 33 : spdm_context->transcript.digest_context_mut_m1m2 = NULL;
1290 : }
1291 : #endif
1292 532 : }
1293 :
1294 510 : void libspdm_reset_message_mut_c(libspdm_context_t *spdm_context)
1295 : {
1296 : #if LIBSPDM_RECORD_TRANSCRIPT_DATA_SUPPORT
1297 : libspdm_reset_managed_buffer(&spdm_context->transcript.message_mut_c);
1298 : #else
1299 510 : if (spdm_context->transcript.digest_context_mut_m1m2 != NULL) {
1300 0 : libspdm_hash_free (spdm_context->connection_info.algorithm.base_hash_algo,
1301 : spdm_context->transcript.digest_context_mut_m1m2);
1302 0 : spdm_context->transcript.digest_context_mut_m1m2 = NULL;
1303 : }
1304 : #endif
1305 510 : }
1306 :
1307 4309 : void libspdm_reset_message_m(libspdm_context_t *spdm_context, void *session_info)
1308 : {
1309 : libspdm_session_info_t *spdm_session_info;
1310 :
1311 4309 : spdm_session_info = session_info;
1312 : #if LIBSPDM_RECORD_TRANSCRIPT_DATA_SUPPORT
1313 : if (spdm_session_info == NULL) {
1314 : libspdm_reset_managed_buffer(&spdm_context->transcript.message_m);
1315 : } else {
1316 : libspdm_reset_managed_buffer(&spdm_session_info->session_transcript.message_m);
1317 : }
1318 : #else
1319 4309 : if (spdm_session_info == NULL) {
1320 4025 : if (spdm_context->transcript.digest_context_l1l2 != NULL) {
1321 62 : libspdm_hash_free (spdm_context->connection_info.algorithm.base_hash_algo,
1322 : spdm_context->transcript.digest_context_l1l2);
1323 62 : spdm_context->transcript.digest_context_l1l2 = NULL;
1324 : }
1325 : } else {
1326 284 : if (spdm_session_info->session_transcript.digest_context_l1l2 != NULL) {
1327 2 : libspdm_hash_free (spdm_context->connection_info.algorithm.base_hash_algo,
1328 : spdm_session_info->session_transcript.digest_context_l1l2);
1329 2 : spdm_session_info->session_transcript.digest_context_l1l2 = NULL;
1330 : }
1331 : }
1332 : #endif
1333 : #if LIBSPDM_ENABLE_CAPABILITY_MEAS_CAP
1334 4309 : if (spdm_context->spdm_meas_log_reset_callback != NULL) {
1335 79 : spdm_context->spdm_meas_log_reset_callback(
1336 : spdm_context, spdm_session_info == NULL ? NULL : &spdm_session_info->session_id);
1337 : }
1338 : #endif /* LIBSPDM_ENABLE_CAPABILITY_MEAS_CAP */
1339 4309 : }
1340 :
1341 0 : void libspdm_reset_message_k(libspdm_context_t *spdm_context, void *session_info)
1342 : {
1343 : libspdm_session_info_t *spdm_session_info;
1344 :
1345 0 : spdm_session_info = session_info;
1346 : #if LIBSPDM_RECORD_TRANSCRIPT_DATA_SUPPORT
1347 : libspdm_reset_managed_buffer(&spdm_session_info->session_transcript.message_k);
1348 : #else
1349 : {
1350 0 : if (spdm_session_info->session_transcript.digest_context_th != NULL) {
1351 0 : libspdm_hash_free (spdm_context->connection_info.algorithm.base_hash_algo,
1352 : spdm_session_info->session_transcript.digest_context_th);
1353 0 : spdm_session_info->session_transcript.digest_context_th = NULL;
1354 : }
1355 0 : if (spdm_session_info->session_transcript.digest_context_th_backup != NULL) {
1356 0 : libspdm_hash_free (spdm_context->connection_info.algorithm.base_hash_algo,
1357 : spdm_session_info->session_transcript.digest_context_th_backup);
1358 0 : spdm_session_info->session_transcript.digest_context_th_backup = NULL;
1359 : }
1360 : }
1361 : #endif
1362 0 : }
1363 :
1364 8 : void libspdm_reset_message_encap_d(void *session_info)
1365 : {
1366 : libspdm_session_info_t *spdm_session_info;
1367 :
1368 8 : spdm_session_info = session_info;
1369 8 : libspdm_reset_managed_buffer(&spdm_session_info->session_transcript.message_encap_d);
1370 : /* Restarting the encapsulated DIGESTS transcript reopens the "first encapsulated response"
1371 : * window. */
1372 8 : spdm_session_info->session_transcript.encap_digest_window_closed = false;
1373 8 : }
1374 :
1375 21 : void libspdm_reset_message_f(libspdm_context_t *spdm_context, void *session_info)
1376 : {
1377 : libspdm_session_info_t *spdm_session_info;
1378 :
1379 21 : spdm_session_info = session_info;
1380 : #if LIBSPDM_RECORD_TRANSCRIPT_DATA_SUPPORT
1381 : libspdm_reset_managed_buffer(&spdm_session_info->session_transcript.message_f);
1382 : #else
1383 : {
1384 21 : if (spdm_session_info->session_transcript.digest_context_th != NULL) {
1385 21 : libspdm_hash_free (spdm_context->connection_info.algorithm.base_hash_algo,
1386 : spdm_session_info->session_transcript.digest_context_th);
1387 21 : spdm_session_info->session_transcript.digest_context_th =
1388 21 : spdm_session_info->session_transcript.digest_context_th_backup;
1389 21 : spdm_session_info->session_transcript.digest_context_th_backup = NULL;
1390 : }
1391 21 : spdm_session_info->session_transcript.message_f_initialized = false;
1392 : }
1393 : #endif
1394 21 : }
1395 :
1396 188 : void libspdm_reset_message_e(libspdm_context_t *spdm_context, void *session_info)
1397 : {
1398 : libspdm_session_info_t *spdm_session_info;
1399 :
1400 188 : spdm_session_info = session_info;
1401 : #if LIBSPDM_RECORD_TRANSCRIPT_DATA_SUPPORT
1402 : if (spdm_session_info == NULL) {
1403 : libspdm_reset_managed_buffer(&spdm_context->transcript.message_e);
1404 : } else {
1405 : libspdm_reset_managed_buffer(&spdm_session_info->session_transcript.message_e);
1406 : }
1407 : #else
1408 188 : if (spdm_session_info == NULL) {
1409 180 : if (spdm_context->transcript.digest_context_il1il2 != NULL) {
1410 14 : libspdm_hash_free (spdm_context->connection_info.algorithm.base_hash_algo,
1411 : spdm_context->transcript.digest_context_il1il2);
1412 14 : spdm_context->transcript.digest_context_il1il2 = NULL;
1413 : }
1414 : } else {
1415 8 : if (spdm_session_info->session_transcript.digest_context_il1il2 != NULL) {
1416 3 : libspdm_hash_free (spdm_context->connection_info.algorithm.base_hash_algo,
1417 : spdm_session_info->session_transcript.digest_context_il1il2);
1418 3 : spdm_session_info->session_transcript.digest_context_il1il2 = NULL;
1419 : }
1420 : }
1421 : #endif
1422 188 : }
1423 :
1424 147 : void libspdm_reset_message_encap_e(libspdm_context_t *spdm_context, void *session_info)
1425 : {
1426 : libspdm_session_info_t *spdm_session_info;
1427 :
1428 147 : spdm_session_info = session_info;
1429 : #if LIBSPDM_RECORD_TRANSCRIPT_DATA_SUPPORT
1430 : if (spdm_session_info == NULL) {
1431 : libspdm_reset_managed_buffer(&spdm_context->transcript.message_encap_e);
1432 : } else {
1433 : libspdm_reset_managed_buffer(&spdm_session_info->session_transcript.message_encap_e);
1434 : }
1435 : #else
1436 147 : if (spdm_session_info == NULL) {
1437 140 : if (spdm_context->transcript.digest_context_encap_il1il2 != NULL) {
1438 12 : libspdm_hash_free (spdm_context->connection_info.algorithm.base_hash_algo,
1439 : spdm_context->transcript.digest_context_encap_il1il2);
1440 12 : spdm_context->transcript.digest_context_encap_il1il2 = NULL;
1441 : }
1442 : } else {
1443 7 : if (spdm_session_info->session_transcript.digest_context_encap_il1il2 != NULL) {
1444 2 : libspdm_hash_free (spdm_context->connection_info.algorithm.base_hash_algo,
1445 : spdm_session_info->session_transcript.digest_context_encap_il1il2);
1446 2 : spdm_session_info->session_transcript.digest_context_encap_il1il2 = NULL;
1447 : }
1448 : }
1449 : #endif
1450 147 : }
1451 :
1452 4401 : void libspdm_reset_message_buffer_via_request_code(void *context, void *session_info,
1453 : uint8_t request_code)
1454 : {
1455 : libspdm_context_t *spdm_context;
1456 :
1457 4401 : spdm_context = context;
1458 : /* Close the DIGESTS transcript window once a non-GET_DIGESTS request is processed after
1459 : * NEGOTIATED (the state check excludes the VCA messages). */
1460 4401 : if ((request_code != SPDM_GET_DIGESTS) &&
1461 4334 : (spdm_context->connection_info.connection_state >= LIBSPDM_CONNECTION_STATE_NEGOTIATED)) {
1462 4132 : spdm_context->connection_info.digest_transcript_window_closed = true;
1463 : }
1464 : /**
1465 : * Any request other than SPDM_GET_MEASUREMENTS resets L1/L2
1466 : */
1467 4401 : if (request_code != SPDM_GET_MEASUREMENTS) {
1468 3975 : libspdm_reset_message_m(spdm_context, session_info);
1469 : }
1470 : /**
1471 : * If the Requester issued GET_MEASUREMENTS or KEY_EXCHANGE or FINISH or PSK_EXCHANGE
1472 : * or PSK_FINISH or KEY_UPDATE or HEARTBEAT or GET_ENCAPSULATED_REQUEST or DELIVER_ENCAPSULATED_RESPONSE
1473 : * or END_SESSION request(s) or SPDM_GET_MEASUREMENT_EXTENSION_LOG and skipped CHALLENGE completion, M1 and M2 are reset to null.
1474 : */
1475 4401 : switch (request_code)
1476 : {
1477 883 : case SPDM_KEY_EXCHANGE:
1478 : case SPDM_GET_MEASUREMENTS:
1479 : case SPDM_FINISH:
1480 : case SPDM_PSK_EXCHANGE:
1481 : case SPDM_PSK_FINISH:
1482 : case SPDM_KEY_UPDATE:
1483 : case SPDM_HEARTBEAT:
1484 : case SPDM_GET_ENCAPSULATED_REQUEST:
1485 : case SPDM_END_SESSION:
1486 : case SPDM_GET_MEASUREMENT_EXTENSION_LOG:
1487 883 : if (spdm_context->connection_info.connection_state <
1488 : LIBSPDM_CONNECTION_STATE_AUTHENTICATED) {
1489 441 : libspdm_reset_message_b(spdm_context);
1490 441 : libspdm_reset_message_c(spdm_context);
1491 441 : libspdm_reset_message_mut_b(spdm_context);
1492 441 : libspdm_reset_message_mut_c(spdm_context);
1493 : }
1494 883 : break;
1495 5 : case SPDM_DELIVER_ENCAPSULATED_RESPONSE:
1496 5 : if (spdm_context->connection_info.connection_state <
1497 : LIBSPDM_CONNECTION_STATE_AUTHENTICATED) {
1498 5 : libspdm_reset_message_b(spdm_context);
1499 5 : libspdm_reset_message_c(spdm_context);
1500 : }
1501 5 : break;
1502 67 : case SPDM_GET_DIGESTS:
1503 67 : libspdm_reset_message_b(spdm_context);
1504 67 : break;
1505 56 : case SPDM_GET_ENDPOINT_INFO:
1506 56 : libspdm_reset_message_e(spdm_context, session_info);
1507 56 : libspdm_reset_message_encap_e(spdm_context, session_info);
1508 56 : break;
1509 3390 : default:
1510 3390 : break;
1511 : }
1512 4401 : }
1513 :
1514 15 : void libspdm_reset_message_buffer_via_encap_request_code(void *context, void *session_info,
1515 : uint8_t request_code)
1516 : {
1517 : libspdm_session_info_t *spdm_session_info;
1518 :
1519 : /* The encapsulated flow only affects the session transcript. */
1520 15 : if (session_info == NULL) {
1521 13 : return;
1522 : }
1523 2 : spdm_session_info = session_info;
1524 :
1525 : /* Close the encapsulated DIGESTS window if the first encapsulated request is not GET_DIGESTS.
1526 : * Enforced here (not from a fixed local sequence) so it holds for whatever order the peer drives,
1527 : * for both the Requester and Responder encapsulated flows. */
1528 3 : if ((request_code != SPDM_GET_DIGESTS) &&
1529 1 : (libspdm_get_managed_buffer_size(
1530 1 : &spdm_session_info->session_transcript.message_encap_d) == 0)) {
1531 1 : spdm_session_info->session_transcript.encap_digest_window_closed = true;
1532 : }
1533 : }
1534 :
1535 191 : libspdm_return_t libspdm_append_message_a(libspdm_context_t *spdm_context, const void *message,
1536 : size_t message_size)
1537 : {
1538 191 : return libspdm_append_managed_buffer(&spdm_context->transcript.message_a,
1539 : message, message_size);
1540 : }
1541 :
1542 9 : libspdm_return_t libspdm_append_message_d(libspdm_context_t *spdm_context, const void *message,
1543 : size_t message_size)
1544 : {
1545 : /* Window closed: the GET_DIGESTS did not immediately follow the VCA, so no DIGESTS is added. */
1546 9 : if (spdm_context->connection_info.digest_transcript_window_closed) {
1547 1 : return LIBSPDM_STATUS_SUCCESS;
1548 : }
1549 : /* Only the first message D after VCA in connection counts */
1550 8 : if (libspdm_get_managed_buffer_size(&spdm_context->transcript.message_d) != 0) {
1551 1 : return LIBSPDM_STATUS_SUCCESS;
1552 : }
1553 7 : return libspdm_append_managed_buffer(&spdm_context->transcript.message_d,
1554 : message, message_size);
1555 : }
1556 :
1557 6198 : libspdm_return_t libspdm_append_message_b(libspdm_context_t *spdm_context, const void *message,
1558 : size_t message_size)
1559 : {
1560 : #if LIBSPDM_RECORD_TRANSCRIPT_DATA_SUPPORT
1561 : return libspdm_append_managed_buffer(&spdm_context->transcript.message_b,
1562 : message, message_size);
1563 : #else
1564 : {
1565 : bool result;
1566 :
1567 6198 : if (spdm_context->transcript.digest_context_m1m2 == NULL) {
1568 166 : spdm_context->transcript.digest_context_m1m2 = libspdm_hash_new (
1569 : spdm_context->connection_info.algorithm.base_hash_algo);
1570 166 : if (spdm_context->transcript.digest_context_m1m2 == NULL) {
1571 0 : return LIBSPDM_STATUS_CRYPTO_ERROR;
1572 : }
1573 166 : result = libspdm_hash_init (spdm_context->connection_info.algorithm.base_hash_algo,
1574 : spdm_context->transcript.digest_context_m1m2);
1575 166 : if (!result) {
1576 0 : libspdm_hash_free (spdm_context->connection_info.algorithm.base_hash_algo,
1577 : spdm_context->transcript.digest_context_m1m2);
1578 0 : spdm_context->transcript.digest_context_m1m2 = NULL;
1579 0 : return LIBSPDM_STATUS_CRYPTO_ERROR;
1580 : }
1581 166 : result = libspdm_hash_update (spdm_context->connection_info.algorithm.base_hash_algo,
1582 : spdm_context->transcript.digest_context_m1m2,
1583 166 : libspdm_get_managed_buffer(&spdm_context->transcript.
1584 : message_a),
1585 166 : libspdm_get_managed_buffer_size(&spdm_context->transcript.
1586 : message_a));
1587 166 : if (!result) {
1588 0 : libspdm_hash_free (spdm_context->connection_info.algorithm.base_hash_algo,
1589 : spdm_context->transcript.digest_context_m1m2);
1590 0 : spdm_context->transcript.digest_context_m1m2 = NULL;
1591 0 : return LIBSPDM_STATUS_CRYPTO_ERROR;
1592 : }
1593 : }
1594 :
1595 6198 : result = libspdm_hash_update (spdm_context->connection_info.algorithm.base_hash_algo,
1596 : spdm_context->transcript.digest_context_m1m2, message,
1597 : message_size);
1598 6198 : if (!result) {
1599 0 : libspdm_hash_free (spdm_context->connection_info.algorithm.base_hash_algo,
1600 : spdm_context->transcript.digest_context_m1m2);
1601 0 : spdm_context->transcript.digest_context_m1m2 = NULL;
1602 0 : return LIBSPDM_STATUS_CRYPTO_ERROR;
1603 : }
1604 :
1605 6198 : return LIBSPDM_STATUS_SUCCESS;
1606 : }
1607 : #endif
1608 : }
1609 :
1610 52 : libspdm_return_t libspdm_append_message_c(libspdm_context_t *spdm_context, const void *message,
1611 : size_t message_size)
1612 : {
1613 : #if LIBSPDM_RECORD_TRANSCRIPT_DATA_SUPPORT
1614 : return libspdm_append_managed_buffer(&spdm_context->transcript.message_c,
1615 : message, message_size);
1616 : #else
1617 : {
1618 : bool result;
1619 :
1620 52 : if (spdm_context->transcript.digest_context_m1m2 == NULL) {
1621 25 : spdm_context->transcript.digest_context_m1m2 = libspdm_hash_new (
1622 : spdm_context->connection_info.algorithm.base_hash_algo);
1623 25 : if (spdm_context->transcript.digest_context_m1m2 == NULL) {
1624 0 : return LIBSPDM_STATUS_CRYPTO_ERROR;
1625 : }
1626 25 : result = libspdm_hash_init (spdm_context->connection_info.algorithm.base_hash_algo,
1627 : spdm_context->transcript.digest_context_m1m2);
1628 25 : if (!result) {
1629 0 : libspdm_hash_free (spdm_context->connection_info.algorithm.base_hash_algo,
1630 : spdm_context->transcript.digest_context_m1m2);
1631 0 : spdm_context->transcript.digest_context_m1m2 = NULL;
1632 0 : return LIBSPDM_STATUS_CRYPTO_ERROR;
1633 : }
1634 25 : result = libspdm_hash_update (spdm_context->connection_info.algorithm.base_hash_algo,
1635 : spdm_context->transcript.digest_context_m1m2,
1636 25 : libspdm_get_managed_buffer(&spdm_context->transcript.
1637 : message_a),
1638 25 : libspdm_get_managed_buffer_size(&spdm_context->transcript.
1639 : message_a));
1640 25 : if (!result) {
1641 0 : libspdm_hash_free (spdm_context->connection_info.algorithm.base_hash_algo,
1642 : spdm_context->transcript.digest_context_m1m2);
1643 0 : spdm_context->transcript.digest_context_m1m2 = NULL;
1644 0 : return LIBSPDM_STATUS_CRYPTO_ERROR;
1645 : }
1646 : }
1647 :
1648 52 : result = libspdm_hash_update (spdm_context->connection_info.algorithm.base_hash_algo,
1649 : spdm_context->transcript.digest_context_m1m2, message,
1650 : message_size);
1651 52 : if (!result) {
1652 0 : libspdm_hash_free (spdm_context->connection_info.algorithm.base_hash_algo,
1653 : spdm_context->transcript.digest_context_m1m2);
1654 0 : spdm_context->transcript.digest_context_m1m2 = NULL;
1655 0 : return LIBSPDM_STATUS_CRYPTO_ERROR;
1656 : }
1657 :
1658 52 : return LIBSPDM_STATUS_SUCCESS;
1659 : }
1660 : #endif
1661 : }
1662 :
1663 2979 : libspdm_return_t libspdm_append_message_mut_b(libspdm_context_t *spdm_context, const void *message,
1664 : size_t message_size)
1665 : {
1666 : #if LIBSPDM_RECORD_TRANSCRIPT_DATA_SUPPORT
1667 : return libspdm_append_managed_buffer(&spdm_context->transcript.message_mut_b,
1668 : message, message_size);
1669 : #else
1670 : {
1671 : bool result;
1672 :
1673 2979 : if (spdm_context->transcript.digest_context_mut_m1m2 == NULL) {
1674 32 : spdm_context->transcript.digest_context_mut_m1m2 = libspdm_hash_new (
1675 : spdm_context->connection_info.algorithm.base_hash_algo);
1676 32 : if (spdm_context->transcript.digest_context_mut_m1m2 == NULL) {
1677 0 : return LIBSPDM_STATUS_CRYPTO_ERROR;
1678 : }
1679 32 : result = libspdm_hash_init (spdm_context->connection_info.algorithm.base_hash_algo,
1680 : spdm_context->transcript.digest_context_mut_m1m2);
1681 32 : if (!result) {
1682 0 : libspdm_hash_free (spdm_context->connection_info.algorithm.base_hash_algo,
1683 : spdm_context->transcript.digest_context_mut_m1m2);
1684 0 : spdm_context->transcript.digest_context_mut_m1m2 = NULL;
1685 0 : return LIBSPDM_STATUS_CRYPTO_ERROR;
1686 : }
1687 32 : if ((spdm_context->connection_info.version >> SPDM_VERSION_NUMBER_SHIFT_BIT) >
1688 : SPDM_MESSAGE_VERSION_11) {
1689 :
1690 : /* Need append VCA since 1.2 script */
1691 5 : result = libspdm_hash_update (
1692 : spdm_context->connection_info.algorithm.base_hash_algo,
1693 : spdm_context->transcript.digest_context_mut_m1m2,
1694 5 : libspdm_get_managed_buffer(&spdm_context->transcript.message_a),
1695 5 : libspdm_get_managed_buffer_size(&spdm_context->transcript.
1696 : message_a));
1697 5 : if (!result) {
1698 0 : libspdm_hash_free (spdm_context->connection_info.algorithm.base_hash_algo,
1699 : spdm_context->transcript.digest_context_mut_m1m2);
1700 0 : spdm_context->transcript.digest_context_mut_m1m2 = NULL;
1701 0 : return LIBSPDM_STATUS_CRYPTO_ERROR;
1702 : }
1703 : }
1704 : }
1705 :
1706 2979 : result = libspdm_hash_update (spdm_context->connection_info.algorithm.base_hash_algo,
1707 : spdm_context->transcript.digest_context_mut_m1m2, message,
1708 : message_size);
1709 2979 : if (!result) {
1710 0 : libspdm_hash_free (spdm_context->connection_info.algorithm.base_hash_algo,
1711 : spdm_context->transcript.digest_context_mut_m1m2);
1712 0 : spdm_context->transcript.digest_context_mut_m1m2 = NULL;
1713 0 : return LIBSPDM_STATUS_CRYPTO_ERROR;
1714 : }
1715 :
1716 2979 : return LIBSPDM_STATUS_SUCCESS;
1717 : }
1718 : #endif
1719 : }
1720 :
1721 10 : libspdm_return_t libspdm_append_message_mut_c(libspdm_context_t *spdm_context, const void *message,
1722 : size_t message_size)
1723 : {
1724 : #if LIBSPDM_RECORD_TRANSCRIPT_DATA_SUPPORT
1725 : return libspdm_append_managed_buffer(&spdm_context->transcript.message_mut_c,
1726 : message, message_size);
1727 : #else
1728 : {
1729 : bool result;
1730 :
1731 10 : if (spdm_context->transcript.digest_context_mut_m1m2 == NULL) {
1732 7 : spdm_context->transcript.digest_context_mut_m1m2 = libspdm_hash_new (
1733 : spdm_context->connection_info.algorithm.base_hash_algo);
1734 7 : if (spdm_context->transcript.digest_context_mut_m1m2 == NULL) {
1735 0 : return LIBSPDM_STATUS_CRYPTO_ERROR;
1736 : }
1737 7 : result = libspdm_hash_init (spdm_context->connection_info.algorithm.base_hash_algo,
1738 : spdm_context->transcript.digest_context_mut_m1m2);
1739 7 : if (!result) {
1740 0 : libspdm_hash_free (spdm_context->connection_info.algorithm.base_hash_algo,
1741 : spdm_context->transcript.digest_context_mut_m1m2);
1742 0 : spdm_context->transcript.digest_context_mut_m1m2 = NULL;
1743 0 : return LIBSPDM_STATUS_CRYPTO_ERROR;
1744 : }
1745 7 : if ((spdm_context->connection_info.version >> SPDM_VERSION_NUMBER_SHIFT_BIT) >
1746 : SPDM_MESSAGE_VERSION_11) {
1747 :
1748 : /* Need append VCA since 1.2 script */
1749 2 : result = libspdm_hash_update (
1750 : spdm_context->connection_info.algorithm.base_hash_algo,
1751 : spdm_context->transcript.digest_context_mut_m1m2,
1752 2 : libspdm_get_managed_buffer(&spdm_context->transcript.message_a),
1753 2 : libspdm_get_managed_buffer_size(&spdm_context->transcript.
1754 : message_a));
1755 2 : if (!result) {
1756 0 : libspdm_hash_free (spdm_context->connection_info.algorithm.base_hash_algo,
1757 : spdm_context->transcript.digest_context_mut_m1m2);
1758 0 : spdm_context->transcript.digest_context_mut_m1m2 = NULL;
1759 0 : return LIBSPDM_STATUS_CRYPTO_ERROR;
1760 : }
1761 : }
1762 : }
1763 :
1764 10 : result = libspdm_hash_update (spdm_context->connection_info.algorithm.base_hash_algo,
1765 : spdm_context->transcript.digest_context_mut_m1m2, message,
1766 : message_size);
1767 10 : if (!result) {
1768 0 : libspdm_hash_free (spdm_context->connection_info.algorithm.base_hash_algo,
1769 : spdm_context->transcript.digest_context_mut_m1m2);
1770 0 : spdm_context->transcript.digest_context_mut_m1m2 = NULL;
1771 0 : return LIBSPDM_STATUS_CRYPTO_ERROR;
1772 : }
1773 :
1774 10 : return LIBSPDM_STATUS_SUCCESS;
1775 : }
1776 : #endif
1777 : }
1778 :
1779 722 : libspdm_return_t libspdm_append_message_m(libspdm_context_t *spdm_context, void *session_info,
1780 : const void *message, size_t message_size)
1781 : {
1782 : libspdm_session_info_t *spdm_session_info;
1783 :
1784 722 : spdm_session_info = session_info;
1785 : #if LIBSPDM_RECORD_TRANSCRIPT_DATA_SUPPORT
1786 : if (spdm_session_info == NULL) {
1787 : return libspdm_append_managed_buffer(&spdm_context->transcript.message_m,
1788 : message, message_size);
1789 : } else {
1790 : return libspdm_append_managed_buffer(&spdm_session_info->session_transcript.message_m,
1791 : message, message_size);
1792 : }
1793 : #else
1794 : {
1795 : bool result;
1796 :
1797 722 : if (spdm_session_info == NULL) {
1798 718 : if (spdm_context->transcript.digest_context_l1l2 == NULL) {
1799 62 : spdm_context->transcript.digest_context_l1l2 = libspdm_hash_new (
1800 : spdm_context->connection_info.algorithm.base_hash_algo);
1801 62 : if (spdm_context->transcript.digest_context_l1l2 == NULL) {
1802 0 : return LIBSPDM_STATUS_CRYPTO_ERROR;
1803 : }
1804 62 : result = libspdm_hash_init (spdm_context->connection_info.algorithm.base_hash_algo,
1805 : spdm_context->transcript.digest_context_l1l2);
1806 62 : if (!result) {
1807 0 : libspdm_hash_free (spdm_context->connection_info.algorithm.base_hash_algo,
1808 : spdm_context->transcript.digest_context_l1l2);
1809 0 : spdm_context->transcript.digest_context_l1l2 = NULL;
1810 0 : return LIBSPDM_STATUS_CRYPTO_ERROR;
1811 : }
1812 62 : if ((spdm_context->connection_info.version >> SPDM_VERSION_NUMBER_SHIFT_BIT) >
1813 : SPDM_MESSAGE_VERSION_11) {
1814 :
1815 : /* Need append VCA since 1.2 script */
1816 13 : result = libspdm_hash_update (
1817 : spdm_context->connection_info.algorithm.base_hash_algo,
1818 : spdm_context->transcript.digest_context_l1l2,
1819 13 : libspdm_get_managed_buffer(
1820 13 : &spdm_context->transcript.message_a),
1821 13 : libspdm_get_managed_buffer_size(&spdm_context->transcript.
1822 : message_a));
1823 13 : if (!result) {
1824 0 : libspdm_hash_free (spdm_context->connection_info.algorithm.base_hash_algo,
1825 : spdm_context->transcript.digest_context_l1l2);
1826 0 : spdm_context->transcript.digest_context_l1l2 = NULL;
1827 0 : return LIBSPDM_STATUS_CRYPTO_ERROR;
1828 : }
1829 : }
1830 : }
1831 718 : result = libspdm_hash_update (spdm_context->connection_info.algorithm.base_hash_algo,
1832 : spdm_context->transcript.digest_context_l1l2, message,
1833 : message_size);
1834 718 : if (!result) {
1835 0 : libspdm_hash_free (spdm_context->connection_info.algorithm.base_hash_algo,
1836 : spdm_context->transcript.digest_context_l1l2);
1837 0 : spdm_context->transcript.digest_context_l1l2 = NULL;
1838 0 : return LIBSPDM_STATUS_CRYPTO_ERROR;
1839 : }
1840 : } else {
1841 4 : if (spdm_session_info->session_transcript.digest_context_l1l2 == NULL) {
1842 2 : spdm_session_info->session_transcript.digest_context_l1l2 = libspdm_hash_new (
1843 : spdm_context->connection_info.algorithm.base_hash_algo);
1844 2 : if (spdm_session_info->session_transcript.digest_context_l1l2 == NULL) {
1845 0 : return LIBSPDM_STATUS_CRYPTO_ERROR;
1846 : }
1847 2 : result = libspdm_hash_init (spdm_context->connection_info.algorithm.base_hash_algo,
1848 : spdm_session_info->session_transcript.digest_context_l1l2);
1849 2 : if (!result) {
1850 0 : libspdm_hash_free (spdm_context->connection_info.algorithm.base_hash_algo,
1851 : spdm_session_info->session_transcript.digest_context_l1l2);
1852 0 : spdm_session_info->session_transcript.digest_context_l1l2 = NULL;
1853 0 : return LIBSPDM_STATUS_CRYPTO_ERROR;
1854 : }
1855 2 : if ((spdm_context->connection_info.version >> SPDM_VERSION_NUMBER_SHIFT_BIT) >
1856 : SPDM_MESSAGE_VERSION_11) {
1857 :
1858 : /* Need append VCA since 1.2 script*/
1859 :
1860 0 : result = libspdm_hash_update (
1861 : spdm_context->connection_info.algorithm.base_hash_algo,
1862 : spdm_session_info->session_transcript.digest_context_l1l2,
1863 0 : libspdm_get_managed_buffer(
1864 0 : &spdm_context->transcript.message_a),
1865 0 : libspdm_get_managed_buffer_size(&spdm_context->transcript.
1866 : message_a));
1867 0 : if (!result) {
1868 0 : libspdm_hash_free (spdm_context->connection_info.algorithm.base_hash_algo,
1869 : spdm_session_info->session_transcript.digest_context_l1l2);
1870 0 : spdm_session_info->session_transcript.digest_context_l1l2 = NULL;
1871 0 : return LIBSPDM_STATUS_CRYPTO_ERROR;
1872 : }
1873 : }
1874 : }
1875 4 : result = libspdm_hash_update (spdm_context->connection_info.algorithm.base_hash_algo,
1876 : spdm_session_info->session_transcript.digest_context_l1l2,
1877 : message, message_size);
1878 4 : if (!result) {
1879 0 : libspdm_hash_free (spdm_context->connection_info.algorithm.base_hash_algo,
1880 : spdm_session_info->session_transcript.digest_context_l1l2);
1881 0 : spdm_session_info->session_transcript.digest_context_l1l2 = NULL;
1882 0 : return LIBSPDM_STATUS_CRYPTO_ERROR;
1883 : }
1884 : }
1885 :
1886 722 : return LIBSPDM_STATUS_SUCCESS;
1887 : }
1888 : #endif
1889 : }
1890 :
1891 310 : libspdm_return_t libspdm_append_message_k(libspdm_context_t *spdm_context,
1892 : void *session_info,
1893 : bool is_requester, const void *message,
1894 : size_t message_size)
1895 : {
1896 : libspdm_session_info_t *spdm_session_info;
1897 :
1898 310 : spdm_session_info = session_info;
1899 : #if LIBSPDM_RECORD_TRANSCRIPT_DATA_SUPPORT
1900 : return libspdm_append_managed_buffer(
1901 : &spdm_session_info->session_transcript.message_k, message,
1902 : message_size);
1903 : #else
1904 : {
1905 : uint8_t *cert_chain_buffer;
1906 : size_t cert_chain_buffer_size;
1907 : bool result;
1908 : uint8_t cert_chain_buffer_hash[LIBSPDM_MAX_HASH_SIZE];
1909 : uint32_t hash_size;
1910 : uint8_t slot_id;
1911 :
1912 310 : hash_size = libspdm_get_hash_size(spdm_context->connection_info.algorithm.base_hash_algo);
1913 :
1914 310 : if (spdm_session_info->session_transcript.digest_context_th == NULL) {
1915 161 : if (!spdm_session_info->use_psk) {
1916 92 : if (is_requester) {
1917 59 : slot_id = spdm_session_info->peer_used_cert_chain_slot_id;
1918 59 : LIBSPDM_ASSERT((slot_id < SPDM_MAX_SLOT_COUNT) || (slot_id == 0xFF));
1919 59 : if (slot_id == 0xFF) {
1920 2 : result = libspdm_get_peer_public_key_buffer(
1921 : spdm_context, (const void **)&cert_chain_buffer,
1922 : &cert_chain_buffer_size);
1923 2 : if (!result) {
1924 0 : return LIBSPDM_STATUS_INVALID_STATE_PEER;
1925 : }
1926 :
1927 2 : result = libspdm_hash_all(
1928 : spdm_context->connection_info.algorithm.base_hash_algo,
1929 : cert_chain_buffer, cert_chain_buffer_size,
1930 : cert_chain_buffer_hash);
1931 2 : if (!result) {
1932 0 : return LIBSPDM_STATUS_CRYPTO_ERROR;
1933 : }
1934 : } else {
1935 57 : LIBSPDM_ASSERT(
1936 : hash_size ==
1937 : spdm_context->connection_info
1938 : .peer_used_cert_chain[slot_id].buffer_hash_size);
1939 :
1940 57 : libspdm_copy_mem(cert_chain_buffer_hash,
1941 : sizeof(cert_chain_buffer_hash),
1942 : spdm_context->connection_info
1943 57 : .peer_used_cert_chain[slot_id].buffer_hash,
1944 : hash_size);
1945 : }
1946 : } else {
1947 33 : slot_id = spdm_session_info->local_used_cert_chain_slot_id;
1948 33 : LIBSPDM_ASSERT((slot_id < SPDM_MAX_SLOT_COUNT) || (slot_id == 0xFF));
1949 33 : if (slot_id == 0xFF) {
1950 2 : result = libspdm_get_local_public_key_buffer(
1951 : spdm_context, (const void **)&cert_chain_buffer,
1952 : &cert_chain_buffer_size);
1953 2 : if (!result) {
1954 0 : return LIBSPDM_STATUS_INVALID_STATE_LOCAL;
1955 : }
1956 : } else {
1957 31 : libspdm_get_local_cert_chain_buffer(
1958 : spdm_context, slot_id, (const void **)&cert_chain_buffer,
1959 : &cert_chain_buffer_size);
1960 : }
1961 :
1962 33 : result = libspdm_hash_all(
1963 : spdm_context->connection_info.algorithm.base_hash_algo,
1964 : cert_chain_buffer, cert_chain_buffer_size,
1965 : cert_chain_buffer_hash);
1966 33 : if (!result) {
1967 0 : return LIBSPDM_STATUS_CRYPTO_ERROR;
1968 : }
1969 : }
1970 : }
1971 : }
1972 :
1973 :
1974 : /* prepare digest_context_th*/
1975 :
1976 310 : if (spdm_session_info->session_transcript.digest_context_th == NULL) {
1977 161 : spdm_session_info->session_transcript.digest_context_th = libspdm_hash_new (
1978 : spdm_context->connection_info.algorithm.base_hash_algo);
1979 161 : if (spdm_session_info->session_transcript.digest_context_th == NULL) {
1980 0 : return LIBSPDM_STATUS_CRYPTO_ERROR;
1981 : }
1982 161 : result = libspdm_hash_init (spdm_context->connection_info.algorithm.base_hash_algo,
1983 : spdm_session_info->session_transcript.digest_context_th);
1984 161 : if (!result) {
1985 0 : libspdm_hash_free (spdm_context->connection_info.algorithm.base_hash_algo,
1986 : spdm_session_info->session_transcript.digest_context_th);
1987 0 : spdm_session_info->session_transcript.digest_context_th = NULL;
1988 0 : return LIBSPDM_STATUS_CRYPTO_ERROR;
1989 : }
1990 161 : result = libspdm_hash_update (spdm_context->connection_info.algorithm.base_hash_algo,
1991 : spdm_session_info->session_transcript.digest_context_th,
1992 161 : libspdm_get_managed_buffer(&spdm_context->transcript.
1993 : message_a),
1994 : libspdm_get_managed_buffer_size(
1995 161 : &spdm_context->transcript.message_a));
1996 161 : if (!result) {
1997 0 : libspdm_hash_free (spdm_context->connection_info.algorithm.base_hash_algo,
1998 : spdm_session_info->session_transcript.digest_context_th);
1999 0 : spdm_session_info->session_transcript.digest_context_th = NULL;
2000 0 : return LIBSPDM_STATUS_CRYPTO_ERROR;
2001 : }
2002 161 : if (!spdm_session_info->use_psk) {
2003 92 : if (spdm_context->connection_info.multi_key_conn_rsp) {
2004 0 : result = libspdm_hash_update (
2005 : spdm_context->connection_info.algorithm.base_hash_algo,
2006 : spdm_session_info->session_transcript.digest_context_th,
2007 0 : libspdm_get_managed_buffer(&spdm_context->transcript.message_d),
2008 0 : libspdm_get_managed_buffer_size(&spdm_context->transcript.message_d));
2009 0 : if (!result) {
2010 0 : libspdm_hash_free (spdm_context->connection_info.algorithm.base_hash_algo,
2011 : spdm_session_info->session_transcript.digest_context_th);
2012 0 : spdm_session_info->session_transcript.digest_context_th = NULL;
2013 0 : return LIBSPDM_STATUS_CRYPTO_ERROR;
2014 : }
2015 : }
2016 :
2017 92 : result = libspdm_hash_update (
2018 : spdm_context->connection_info.algorithm.base_hash_algo,
2019 : spdm_session_info->session_transcript.digest_context_th,
2020 : cert_chain_buffer_hash, hash_size);
2021 92 : if (!result) {
2022 0 : libspdm_hash_free (spdm_context->connection_info.algorithm.base_hash_algo,
2023 : spdm_session_info->session_transcript.digest_context_th);
2024 0 : spdm_session_info->session_transcript.digest_context_th = NULL;
2025 0 : return LIBSPDM_STATUS_CRYPTO_ERROR;
2026 : }
2027 : }
2028 : }
2029 310 : result = libspdm_hash_update (spdm_context->connection_info.algorithm.base_hash_algo,
2030 : spdm_session_info->session_transcript.digest_context_th,
2031 : message,
2032 : message_size);
2033 310 : if (!result) {
2034 0 : libspdm_hash_free (spdm_context->connection_info.algorithm.base_hash_algo,
2035 : spdm_session_info->session_transcript.digest_context_th);
2036 0 : spdm_session_info->session_transcript.digest_context_th = NULL;
2037 0 : return LIBSPDM_STATUS_CRYPTO_ERROR;
2038 : }
2039 310 : return LIBSPDM_STATUS_SUCCESS;
2040 : }
2041 : #endif
2042 : }
2043 :
2044 6 : libspdm_return_t libspdm_append_message_encap_d(void *session_info,
2045 : const void *message,
2046 : size_t message_size)
2047 : {
2048 : libspdm_session_info_t *spdm_session_info;
2049 :
2050 6 : spdm_session_info = session_info;
2051 : /* Window closed: the encapsulated DIGESTS is not the first encap response, so it is not added. */
2052 6 : if (spdm_session_info->session_transcript.encap_digest_window_closed) {
2053 1 : return LIBSPDM_STATUS_SUCCESS;
2054 : }
2055 : /* Only the first message EncapD in current session counts */
2056 5 : if (libspdm_get_managed_buffer_size(&spdm_session_info->session_transcript.message_encap_d) !=
2057 : 0) {
2058 0 : return LIBSPDM_STATUS_SUCCESS;
2059 : }
2060 5 : return libspdm_append_managed_buffer(
2061 5 : &spdm_session_info->session_transcript.message_encap_d, message,
2062 : message_size);
2063 : }
2064 :
2065 263 : libspdm_return_t libspdm_append_message_f(libspdm_context_t *spdm_context,
2066 : void *session_info,
2067 : bool is_requester, const void *message,
2068 : size_t message_size)
2069 : {
2070 : libspdm_session_info_t *spdm_session_info;
2071 :
2072 263 : spdm_session_info = session_info;
2073 : #if LIBSPDM_RECORD_TRANSCRIPT_DATA_SUPPORT
2074 : return libspdm_append_managed_buffer(
2075 : &spdm_session_info->session_transcript.message_f, message,
2076 : message_size);
2077 : #else
2078 : {
2079 : const uint8_t *mut_cert_chain_buffer;
2080 : size_t mut_cert_chain_buffer_size;
2081 : bool result;
2082 : uint8_t mut_cert_chain_buffer_hash[LIBSPDM_MAX_HASH_SIZE];
2083 : uint32_t hash_size;
2084 : libspdm_return_t status;
2085 : uint8_t slot_id;
2086 :
2087 263 : hash_size = libspdm_get_hash_size(spdm_context->connection_info.algorithm.base_hash_algo);
2088 :
2089 263 : if (!spdm_session_info->session_transcript.message_f_initialized) {
2090 : /* digest_context_th might be NULL in unit test, where message_k is hardcoded. */
2091 100 : if (spdm_session_info->session_transcript.digest_context_th == NULL) {
2092 : status =
2093 99 : libspdm_append_message_k (spdm_context, session_info, is_requester, NULL, 0);
2094 99 : if (LIBSPDM_STATUS_IS_ERROR(status)) {
2095 0 : return status;
2096 : }
2097 : }
2098 :
2099 100 : if (!spdm_session_info->use_psk && (spdm_session_info->mut_auth_requested != 0)) {
2100 16 : if (is_requester) {
2101 5 : slot_id = spdm_session_info->local_used_cert_chain_slot_id;
2102 5 : LIBSPDM_ASSERT((slot_id < SPDM_MAX_SLOT_COUNT) || (slot_id == 0xFF));
2103 5 : if (slot_id == 0xFF) {
2104 0 : result = libspdm_get_local_public_key_buffer(
2105 : spdm_context,
2106 : (const void **)&mut_cert_chain_buffer,
2107 : &mut_cert_chain_buffer_size);
2108 0 : if (!result) {
2109 0 : return LIBSPDM_STATUS_INVALID_STATE_LOCAL;
2110 : }
2111 : } else {
2112 5 : libspdm_get_local_cert_chain_buffer(
2113 : spdm_context,
2114 : slot_id,
2115 : (const void **)&mut_cert_chain_buffer,
2116 : &mut_cert_chain_buffer_size);
2117 : }
2118 :
2119 5 : result = libspdm_hash_all(
2120 : spdm_context->connection_info.algorithm.base_hash_algo,
2121 : mut_cert_chain_buffer, mut_cert_chain_buffer_size,
2122 : mut_cert_chain_buffer_hash);
2123 5 : if (!result) {
2124 0 : return LIBSPDM_STATUS_CRYPTO_ERROR;
2125 : }
2126 : } else {
2127 11 : slot_id = spdm_session_info->peer_used_cert_chain_slot_id;
2128 11 : LIBSPDM_ASSERT((slot_id < SPDM_MAX_SLOT_COUNT) || (slot_id == 0xFF));
2129 11 : if (slot_id == 0xFF) {
2130 1 : result = libspdm_get_peer_public_key_buffer(
2131 : spdm_context,
2132 : (const void **)&mut_cert_chain_buffer,
2133 : &mut_cert_chain_buffer_size);
2134 1 : if (!result) {
2135 0 : return LIBSPDM_STATUS_INVALID_STATE_PEER;
2136 : }
2137 :
2138 1 : result = libspdm_hash_all(
2139 : spdm_context->connection_info.algorithm.base_hash_algo,
2140 : mut_cert_chain_buffer, mut_cert_chain_buffer_size,
2141 : mut_cert_chain_buffer_hash);
2142 1 : if (!result) {
2143 0 : return LIBSPDM_STATUS_CRYPTO_ERROR;
2144 : }
2145 : } else {
2146 10 : LIBSPDM_ASSERT(
2147 : hash_size ==
2148 : spdm_context->connection_info
2149 : .peer_used_cert_chain[slot_id].buffer_hash_size);
2150 :
2151 10 : libspdm_copy_mem(mut_cert_chain_buffer_hash,
2152 : sizeof(mut_cert_chain_buffer_hash),
2153 : spdm_context->connection_info
2154 10 : .peer_used_cert_chain[slot_id].buffer_hash,
2155 : hash_size);
2156 : }
2157 : }
2158 : }
2159 :
2160 : /* It is first time call, backup current message_k context
2161 : * this backup will be used in reset_message_f.*/
2162 :
2163 100 : LIBSPDM_ASSERT (spdm_session_info->session_transcript.digest_context_th != NULL);
2164 100 : spdm_session_info->session_transcript.digest_context_th_backup = libspdm_hash_new (
2165 : spdm_context->connection_info.algorithm.base_hash_algo);
2166 100 : if (spdm_session_info->session_transcript.digest_context_th_backup == NULL) {
2167 0 : return LIBSPDM_STATUS_CRYPTO_ERROR;
2168 : }
2169 100 : result = libspdm_hash_duplicate (spdm_context->connection_info.algorithm.base_hash_algo,
2170 100 : spdm_session_info->session_transcript.digest_context_th,
2171 : spdm_session_info->session_transcript.digest_context_th_backup);
2172 100 : if (!result) {
2173 0 : libspdm_hash_free (spdm_context->connection_info.algorithm.base_hash_algo,
2174 : spdm_session_info->session_transcript.digest_context_th_backup);
2175 0 : spdm_session_info->session_transcript.digest_context_th_backup = NULL;
2176 0 : return LIBSPDM_STATUS_CRYPTO_ERROR;
2177 : }
2178 : }
2179 :
2180 :
2181 : /* prepare digest_context_th*/
2182 :
2183 263 : LIBSPDM_ASSERT (spdm_session_info->session_transcript.digest_context_th != NULL);
2184 263 : if (!spdm_session_info->session_transcript.message_f_initialized) {
2185 100 : if (!spdm_session_info->use_psk && (spdm_session_info->mut_auth_requested != 0)) {
2186 16 : if (spdm_context->connection_info.multi_key_conn_req) {
2187 0 : result = libspdm_hash_update (
2188 : spdm_context->connection_info.algorithm.base_hash_algo,
2189 : spdm_session_info->session_transcript.digest_context_th,
2190 0 : libspdm_get_managed_buffer(&spdm_session_info->session_transcript.
2191 : message_encap_d),
2192 0 : libspdm_get_managed_buffer_size(&spdm_session_info->session_transcript.
2193 : message_encap_d));
2194 0 : if (!result) {
2195 0 : libspdm_hash_free (spdm_context->connection_info.algorithm.base_hash_algo,
2196 : spdm_session_info->session_transcript.digest_context_th);
2197 0 : spdm_session_info->session_transcript.digest_context_th = NULL;
2198 0 : return LIBSPDM_STATUS_CRYPTO_ERROR;
2199 : }
2200 : }
2201 :
2202 16 : result = libspdm_hash_update (
2203 : spdm_context->connection_info.algorithm.base_hash_algo,
2204 : spdm_session_info->session_transcript.digest_context_th,
2205 : mut_cert_chain_buffer_hash, hash_size);
2206 16 : if (!result) {
2207 0 : libspdm_hash_free (spdm_context->connection_info.algorithm.base_hash_algo,
2208 : spdm_session_info->session_transcript.digest_context_th);
2209 0 : spdm_session_info->session_transcript.digest_context_th = NULL;
2210 0 : return LIBSPDM_STATUS_CRYPTO_ERROR;
2211 : }
2212 : }
2213 : }
2214 263 : result = libspdm_hash_update (spdm_context->connection_info.algorithm.base_hash_algo,
2215 : spdm_session_info->session_transcript.digest_context_th,
2216 : message,
2217 : message_size);
2218 263 : if (!result) {
2219 0 : libspdm_hash_free (spdm_context->connection_info.algorithm.base_hash_algo,
2220 : spdm_session_info->session_transcript.digest_context_th);
2221 0 : spdm_session_info->session_transcript.digest_context_th = NULL;
2222 0 : return LIBSPDM_STATUS_CRYPTO_ERROR;
2223 : }
2224 :
2225 263 : spdm_session_info->session_transcript.message_f_initialized = true;
2226 263 : return LIBSPDM_STATUS_SUCCESS;
2227 : }
2228 : #endif
2229 : }
2230 :
2231 34 : libspdm_return_t libspdm_append_message_e(libspdm_context_t *spdm_context, void *session_info,
2232 : const void *message, size_t message_size)
2233 : {
2234 : libspdm_session_info_t *spdm_session_info;
2235 :
2236 34 : spdm_session_info = session_info;
2237 : #if LIBSPDM_RECORD_TRANSCRIPT_DATA_SUPPORT
2238 : if (spdm_session_info == NULL) {
2239 : return libspdm_append_managed_buffer(&spdm_context->transcript.message_e,
2240 : message, message_size);
2241 : } else {
2242 : return libspdm_append_managed_buffer(&spdm_session_info->session_transcript.message_e,
2243 : message, message_size);
2244 : }
2245 : #else
2246 : {
2247 : bool result;
2248 :
2249 34 : if (spdm_session_info == NULL) {
2250 28 : if (spdm_context->transcript.digest_context_il1il2 == NULL) {
2251 14 : spdm_context->transcript.digest_context_il1il2 = libspdm_hash_new (
2252 : spdm_context->connection_info.algorithm.base_hash_algo);
2253 14 : if (spdm_context->transcript.digest_context_il1il2 == NULL) {
2254 0 : return LIBSPDM_STATUS_CRYPTO_ERROR;
2255 : }
2256 14 : result = libspdm_hash_init (spdm_context->connection_info.algorithm.base_hash_algo,
2257 : spdm_context->transcript.digest_context_il1il2);
2258 14 : if (!result) {
2259 0 : libspdm_hash_free (spdm_context->connection_info.algorithm.base_hash_algo,
2260 : spdm_context->transcript.digest_context_il1il2);
2261 0 : spdm_context->transcript.digest_context_il1il2 = NULL;
2262 0 : return LIBSPDM_STATUS_CRYPTO_ERROR;
2263 : }
2264 :
2265 14 : result = libspdm_hash_update (
2266 : spdm_context->connection_info.algorithm.base_hash_algo,
2267 : spdm_context->transcript.digest_context_il1il2,
2268 14 : libspdm_get_managed_buffer(&spdm_context->transcript.message_a),
2269 14 : libspdm_get_managed_buffer_size(&spdm_context->transcript.message_a));
2270 :
2271 14 : if (!result) {
2272 0 : libspdm_hash_free (spdm_context->connection_info.algorithm.base_hash_algo,
2273 : spdm_context->transcript.digest_context_il1il2);
2274 0 : spdm_context->transcript.digest_context_il1il2 = NULL;
2275 0 : return LIBSPDM_STATUS_CRYPTO_ERROR;
2276 : }
2277 : }
2278 28 : result = libspdm_hash_update (spdm_context->connection_info.algorithm.base_hash_algo,
2279 : spdm_context->transcript.digest_context_il1il2, message,
2280 : message_size);
2281 28 : if (!result) {
2282 0 : libspdm_hash_free (spdm_context->connection_info.algorithm.base_hash_algo,
2283 : spdm_context->transcript.digest_context_il1il2);
2284 0 : spdm_context->transcript.digest_context_il1il2 = NULL;
2285 0 : return LIBSPDM_STATUS_CRYPTO_ERROR;
2286 : }
2287 : } else {
2288 6 : if (spdm_session_info->session_transcript.digest_context_il1il2 == NULL) {
2289 3 : spdm_session_info->session_transcript.digest_context_il1il2 = libspdm_hash_new (
2290 : spdm_context->connection_info.algorithm.base_hash_algo);
2291 3 : if (spdm_session_info->session_transcript.digest_context_il1il2 == NULL) {
2292 0 : return LIBSPDM_STATUS_CRYPTO_ERROR;
2293 : }
2294 3 : result = libspdm_hash_init (spdm_context->connection_info.algorithm.base_hash_algo,
2295 : spdm_session_info->session_transcript.digest_context_il1il2);
2296 3 : if (!result) {
2297 0 : libspdm_hash_free (spdm_context->connection_info.algorithm.base_hash_algo,
2298 : spdm_session_info->session_transcript.digest_context_il1il2);
2299 0 : spdm_session_info->session_transcript.digest_context_il1il2 = NULL;
2300 0 : return LIBSPDM_STATUS_CRYPTO_ERROR;
2301 : }
2302 :
2303 3 : result = libspdm_hash_update (
2304 : spdm_context->connection_info.algorithm.base_hash_algo,
2305 : spdm_session_info->session_transcript.digest_context_il1il2,
2306 3 : libspdm_get_managed_buffer(&spdm_context->transcript.message_a),
2307 3 : libspdm_get_managed_buffer_size(&spdm_context->transcript.message_a));
2308 :
2309 3 : if (!result) {
2310 0 : libspdm_hash_free (spdm_context->connection_info.algorithm.base_hash_algo,
2311 : spdm_session_info->session_transcript.digest_context_il1il2);
2312 0 : spdm_session_info->session_transcript.digest_context_il1il2 = NULL;
2313 0 : return LIBSPDM_STATUS_CRYPTO_ERROR;
2314 : }
2315 : }
2316 6 : result = libspdm_hash_update (spdm_context->connection_info.algorithm.base_hash_algo,
2317 : spdm_session_info->session_transcript.digest_context_il1il2,
2318 : message, message_size);
2319 6 : if (!result) {
2320 0 : libspdm_hash_free (spdm_context->connection_info.algorithm.base_hash_algo,
2321 : spdm_session_info->session_transcript.digest_context_il1il2);
2322 0 : spdm_session_info->session_transcript.digest_context_il1il2 = NULL;
2323 0 : return LIBSPDM_STATUS_CRYPTO_ERROR;
2324 : }
2325 : }
2326 :
2327 34 : return LIBSPDM_STATUS_SUCCESS;
2328 : }
2329 : #endif
2330 : }
2331 :
2332 24 : libspdm_return_t libspdm_append_message_encap_e(libspdm_context_t *spdm_context, void *session_info,
2333 : const void *message, size_t message_size)
2334 : {
2335 : libspdm_session_info_t *spdm_session_info;
2336 :
2337 24 : spdm_session_info = session_info;
2338 : #if LIBSPDM_RECORD_TRANSCRIPT_DATA_SUPPORT
2339 : if (spdm_session_info == NULL) {
2340 : return libspdm_append_managed_buffer(&spdm_context->transcript.message_encap_e,
2341 : message, message_size);
2342 : } else {
2343 : return libspdm_append_managed_buffer(&spdm_session_info->session_transcript.message_encap_e,
2344 : message, message_size);
2345 : }
2346 : #else
2347 : {
2348 : bool result;
2349 :
2350 24 : if (spdm_session_info == NULL) {
2351 19 : if (spdm_context->transcript.digest_context_encap_il1il2 == NULL) {
2352 12 : spdm_context->transcript.digest_context_encap_il1il2 = libspdm_hash_new (
2353 : spdm_context->connection_info.algorithm.base_hash_algo);
2354 12 : if (spdm_context->transcript.digest_context_encap_il1il2 == NULL) {
2355 0 : return LIBSPDM_STATUS_CRYPTO_ERROR;
2356 : }
2357 12 : result = libspdm_hash_init (spdm_context->connection_info.algorithm.base_hash_algo,
2358 : spdm_context->transcript.digest_context_encap_il1il2);
2359 12 : if (!result) {
2360 0 : libspdm_hash_free (spdm_context->connection_info.algorithm.base_hash_algo,
2361 : spdm_context->transcript.digest_context_encap_il1il2);
2362 0 : spdm_context->transcript.digest_context_encap_il1il2 = NULL;
2363 0 : return LIBSPDM_STATUS_CRYPTO_ERROR;
2364 : }
2365 :
2366 12 : result = libspdm_hash_update (
2367 : spdm_context->connection_info.algorithm.base_hash_algo,
2368 : spdm_context->transcript.digest_context_encap_il1il2,
2369 12 : libspdm_get_managed_buffer(&spdm_context->transcript.message_a),
2370 12 : libspdm_get_managed_buffer_size(&spdm_context->transcript.message_a));
2371 :
2372 12 : if (!result) {
2373 0 : libspdm_hash_free (spdm_context->connection_info.algorithm.base_hash_algo,
2374 : spdm_context->transcript.digest_context_encap_il1il2);
2375 0 : spdm_context->transcript.digest_context_encap_il1il2 = NULL;
2376 0 : return LIBSPDM_STATUS_CRYPTO_ERROR;
2377 : }
2378 : }
2379 19 : result = libspdm_hash_update (spdm_context->connection_info.algorithm.base_hash_algo,
2380 : spdm_context->transcript.digest_context_encap_il1il2,
2381 : message,
2382 : message_size);
2383 19 : if (!result) {
2384 0 : libspdm_hash_free (spdm_context->connection_info.algorithm.base_hash_algo,
2385 : spdm_context->transcript.digest_context_encap_il1il2);
2386 0 : spdm_context->transcript.digest_context_encap_il1il2 = NULL;
2387 0 : return LIBSPDM_STATUS_CRYPTO_ERROR;
2388 : }
2389 : } else {
2390 5 : if (spdm_session_info->session_transcript.digest_context_encap_il1il2 == NULL) {
2391 3 : spdm_session_info->session_transcript.digest_context_encap_il1il2 =
2392 3 : libspdm_hash_new (spdm_context->connection_info.algorithm.base_hash_algo);
2393 3 : if (spdm_session_info->session_transcript.digest_context_encap_il1il2 == NULL) {
2394 0 : return LIBSPDM_STATUS_CRYPTO_ERROR;
2395 : }
2396 3 : result = libspdm_hash_init (spdm_context->connection_info.algorithm.base_hash_algo,
2397 : spdm_session_info->session_transcript.digest_context_encap_il1il2);
2398 3 : if (!result) {
2399 0 : libspdm_hash_free (spdm_context->connection_info.algorithm.base_hash_algo,
2400 : spdm_session_info->session_transcript.digest_context_encap_il1il2);
2401 0 : spdm_session_info->session_transcript.digest_context_encap_il1il2 = NULL;
2402 0 : return LIBSPDM_STATUS_CRYPTO_ERROR;
2403 : }
2404 :
2405 3 : result = libspdm_hash_update (
2406 : spdm_context->connection_info.algorithm.base_hash_algo,
2407 : spdm_session_info->session_transcript.digest_context_encap_il1il2,
2408 3 : libspdm_get_managed_buffer(&spdm_context->transcript.message_a),
2409 3 : libspdm_get_managed_buffer_size(&spdm_context->transcript.message_a));
2410 :
2411 3 : if (!result) {
2412 0 : libspdm_hash_free (spdm_context->connection_info.algorithm.base_hash_algo,
2413 : spdm_session_info->session_transcript.digest_context_encap_il1il2);
2414 0 : spdm_session_info->session_transcript.digest_context_encap_il1il2 = NULL;
2415 0 : return LIBSPDM_STATUS_CRYPTO_ERROR;
2416 : }
2417 : }
2418 5 : result = libspdm_hash_update (spdm_context->connection_info.algorithm.base_hash_algo,
2419 : spdm_session_info->session_transcript.digest_context_encap_il1il2,
2420 : message, message_size);
2421 5 : if (!result) {
2422 0 : libspdm_hash_free (spdm_context->connection_info.algorithm.base_hash_algo,
2423 : spdm_session_info->session_transcript.digest_context_encap_il1il2);
2424 0 : spdm_session_info->session_transcript.digest_context_encap_il1il2 = NULL;
2425 0 : return LIBSPDM_STATUS_CRYPTO_ERROR;
2426 : }
2427 : }
2428 :
2429 24 : return LIBSPDM_STATUS_SUCCESS;
2430 : }
2431 : #endif
2432 : }
2433 0 : bool libspdm_is_version_supported(const libspdm_context_t *spdm_context, uint8_t version)
2434 : {
2435 0 : if (version == (spdm_context->connection_info.version >> SPDM_VERSION_NUMBER_SHIFT_BIT)) {
2436 0 : return true;
2437 : }
2438 :
2439 0 : return false;
2440 : }
2441 :
2442 274078 : uint8_t libspdm_get_connection_version(const libspdm_context_t *spdm_context)
2443 : {
2444 274078 : return (uint8_t)(spdm_context->connection_info.version >> SPDM_VERSION_NUMBER_SHIFT_BIT);
2445 : }
2446 :
2447 78812 : bool libspdm_is_capabilities_flag_supported(const libspdm_context_t *spdm_context,
2448 : bool is_requester,
2449 : uint32_t requester_capabilities_flag,
2450 : uint32_t responder_capabilities_flag)
2451 : {
2452 : uint32_t negotiated_requester_capabilities_flag;
2453 : uint32_t negotiated_responder_capabilities_flag;
2454 :
2455 78812 : if (is_requester) {
2456 74125 : negotiated_requester_capabilities_flag = spdm_context->local_context.capability.flags;
2457 74125 : negotiated_responder_capabilities_flag = spdm_context->connection_info.capability.flags;
2458 : } else {
2459 4687 : negotiated_requester_capabilities_flag = spdm_context->connection_info.capability.flags;
2460 4687 : negotiated_responder_capabilities_flag = spdm_context->local_context.capability.flags;
2461 : }
2462 :
2463 78812 : if (((requester_capabilities_flag == 0) ||
2464 74960 : ((negotiated_requester_capabilities_flag &
2465 72119 : requester_capabilities_flag) != 0)) &&
2466 70563 : ((responder_capabilities_flag == 0) ||
2467 70563 : ((negotiated_responder_capabilities_flag &
2468 : responder_capabilities_flag) != 0))) {
2469 71175 : return true;
2470 : } else {
2471 7637 : return false;
2472 : }
2473 : }
2474 :
2475 0 : bool libspdm_is_capabilities_ext_flag_supported(const libspdm_context_t *spdm_context,
2476 : bool is_requester,
2477 : uint16_t requester_capabilities_ext_flag,
2478 : uint16_t responder_capabilities_ext_flag)
2479 : {
2480 : uint16_t negotiated_requester_capabilities_ext_flag;
2481 : uint16_t negotiated_responder_capabilities_ext_flag;
2482 :
2483 0 : if (is_requester) {
2484 0 : negotiated_requester_capabilities_ext_flag = spdm_context->local_context.capability.ext_flags;
2485 0 : negotiated_responder_capabilities_ext_flag = spdm_context->connection_info.capability.ext_flags;
2486 : } else {
2487 0 : negotiated_requester_capabilities_ext_flag = spdm_context->connection_info.capability.ext_flags;
2488 0 : negotiated_responder_capabilities_ext_flag = spdm_context->local_context.capability.ext_flags;
2489 : }
2490 :
2491 0 : if (((requester_capabilities_ext_flag == 0) ||
2492 : ((negotiated_requester_capabilities_ext_flag &
2493 0 : requester_capabilities_ext_flag) != 0)) &&
2494 0 : ((responder_capabilities_ext_flag == 0) ||
2495 : ((negotiated_responder_capabilities_ext_flag &
2496 0 : responder_capabilities_ext_flag) != 0))) {
2497 0 : return true;
2498 : } else {
2499 0 : return false;
2500 : }
2501 : }
2502 :
2503 33 : bool libspdm_is_encap_supported(const libspdm_context_t *spdm_context)
2504 : {
2505 33 : if (libspdm_get_connection_version(spdm_context) == SPDM_MESSAGE_VERSION_10) {
2506 0 : return false;
2507 33 : } else if (libspdm_get_connection_version(spdm_context) == SPDM_MESSAGE_VERSION_12) {
2508 : /* ENCAP_CAP was erroneously deprecated in SPDM 1.2.0 and 1.2.1, and MUT_AUTH_CAP
2509 : * was used in its place. In SPDM 1.2.2 and later ENCAP_CAP is undeprecated. Since
2510 : * UpdateVersionNumber must be ignored when checking interoperability libspdm will check
2511 : * if ENCAP_CAP or MUT_AUTH_CAP is set. */
2512 2 : const bool is_req_encap_cap_supported = libspdm_is_capabilities_flag_supported(
2513 2 : spdm_context, spdm_context->local_context.is_requester,
2514 : SPDM_GET_CAPABILITIES_REQUEST_FLAGS_ENCAP_CAP, 0);
2515 2 : const bool is_req_mut_auth_cap_supported = libspdm_is_capabilities_flag_supported(
2516 2 : spdm_context, spdm_context->local_context.is_requester,
2517 : SPDM_GET_CAPABILITIES_REQUEST_FLAGS_MUT_AUTH_CAP, 0);
2518 2 : const bool is_rsp_encap_cap_supported = libspdm_is_capabilities_flag_supported(
2519 2 : spdm_context, spdm_context->local_context.is_requester,
2520 : 0, SPDM_GET_CAPABILITIES_RESPONSE_FLAGS_ENCAP_CAP);
2521 2 : const bool is_rsp_mut_auth_cap_supported = libspdm_is_capabilities_flag_supported(
2522 2 : spdm_context, spdm_context->local_context.is_requester,
2523 : 0, SPDM_GET_CAPABILITIES_RESPONSE_FLAGS_MUT_AUTH_CAP);
2524 :
2525 2 : return ((is_req_encap_cap_supported || is_req_mut_auth_cap_supported) &&
2526 0 : (is_rsp_encap_cap_supported || is_rsp_mut_auth_cap_supported));
2527 : } else {
2528 : /* For SPDM 1.1 and 1.3 and later only check ENCAP_CAP. */
2529 31 : return libspdm_is_capabilities_flag_supported(
2530 31 : spdm_context, spdm_context->local_context.is_requester,
2531 : SPDM_GET_CAPABILITIES_REQUEST_FLAGS_ENCAP_CAP,
2532 : SPDM_GET_CAPABILITIES_RESPONSE_FLAGS_ENCAP_CAP);
2533 : }
2534 : }
2535 :
2536 117 : void libspdm_register_device_io_func(
2537 : void *spdm_context, libspdm_device_send_message_func send_message,
2538 : libspdm_device_receive_message_func receive_message)
2539 : {
2540 : libspdm_context_t *context;
2541 :
2542 117 : context = spdm_context;
2543 117 : context->send_message = send_message;
2544 117 : context->receive_message = receive_message;
2545 117 : }
2546 :
2547 118 : void libspdm_register_device_buffer_func(
2548 : void *spdm_context,
2549 : uint32_t sender_buffer_size,
2550 : uint32_t receiver_buffer_size,
2551 : libspdm_device_acquire_sender_buffer_func acquire_sender_buffer,
2552 : libspdm_device_release_sender_buffer_func release_sender_buffer,
2553 : libspdm_device_acquire_receiver_buffer_func acquire_receiver_buffer,
2554 : libspdm_device_release_receiver_buffer_func release_receiver_buffer)
2555 : {
2556 : libspdm_context_t *context;
2557 :
2558 118 : context = spdm_context;
2559 118 : context->sender_buffer_size = sender_buffer_size;
2560 118 : context->receiver_buffer_size = receiver_buffer_size;
2561 118 : context->acquire_sender_buffer = acquire_sender_buffer;
2562 118 : context->release_sender_buffer = release_sender_buffer;
2563 118 : context->acquire_receiver_buffer = acquire_receiver_buffer;
2564 118 : context->release_receiver_buffer = release_receiver_buffer;
2565 :
2566 118 : LIBSPDM_ASSERT (sender_buffer_size >=
2567 : context->local_context.capability.transport_header_size +
2568 : context->local_context.capability.transport_tail_size);
2569 118 : sender_buffer_size -= (context->local_context.capability.transport_header_size +
2570 118 : context->local_context.capability.transport_tail_size);
2571 118 : LIBSPDM_ASSERT (sender_buffer_size >= SPDM_MIN_DATA_TRANSFER_SIZE_VERSION_12);
2572 118 : context->local_context.capability.sender_data_transfer_size = sender_buffer_size;
2573 :
2574 118 : LIBSPDM_ASSERT(receiver_buffer_size >=
2575 : context->local_context.capability.transport_header_size +
2576 : context->local_context.capability.transport_tail_size);
2577 118 : receiver_buffer_size -= (context->local_context.capability.transport_header_size +
2578 118 : context->local_context.capability.transport_tail_size);
2579 118 : LIBSPDM_ASSERT (receiver_buffer_size >= SPDM_MIN_DATA_TRANSFER_SIZE_VERSION_12);
2580 118 : context->local_context.capability.data_transfer_size = receiver_buffer_size;
2581 118 : }
2582 :
2583 119 : void libspdm_register_transport_layer_func(
2584 : void *spdm_context,
2585 : uint32_t max_spdm_msg_size,
2586 : uint32_t transport_header_size,
2587 : uint32_t transport_tail_size,
2588 : libspdm_transport_encode_message_func transport_encode_message,
2589 : libspdm_transport_decode_message_func transport_decode_message)
2590 : {
2591 : libspdm_context_t *context;
2592 :
2593 119 : context = spdm_context;
2594 :
2595 : /* fix the data_transfer_size if it is set before */
2596 119 : if ((context->local_context.capability.data_transfer_size != 0) &&
2597 1 : (context->local_context.capability.data_transfer_size ==
2598 1 : context->receiver_buffer_size)) {
2599 0 : context->local_context.capability.data_transfer_size =
2600 0 : (uint32_t)(context->receiver_buffer_size -
2601 0 : (transport_header_size + transport_tail_size));
2602 : }
2603 119 : if ((context->local_context.capability.sender_data_transfer_size != 0) &&
2604 1 : (context->local_context.capability.sender_data_transfer_size ==
2605 1 : context->sender_buffer_size)) {
2606 0 : context->local_context.capability.sender_data_transfer_size =
2607 0 : (uint32_t)(context->sender_buffer_size -
2608 0 : (transport_header_size + transport_tail_size));
2609 : }
2610 :
2611 119 : context->local_context.capability.max_spdm_msg_size = max_spdm_msg_size;
2612 119 : context->local_context.capability.transport_header_size = transport_header_size;
2613 119 : context->local_context.capability.transport_tail_size = transport_tail_size;
2614 119 : context->transport_encode_message = transport_encode_message;
2615 119 : context->transport_decode_message = transport_decode_message;
2616 119 : }
2617 :
2618 0 : void libspdm_register_verify_spdm_cert_chain_func(
2619 : void *spdm_context,
2620 : const libspdm_verify_spdm_cert_chain_func verify_spdm_cert_chain)
2621 : {
2622 : libspdm_context_t *context;
2623 :
2624 0 : context = spdm_context;
2625 0 : context->local_context.verify_peer_spdm_cert_chain = verify_spdm_cert_chain;
2626 0 : }
2627 :
2628 122 : size_t libspdm_get_sizeof_required_scratch_buffer (void *spdm_context)
2629 : {
2630 : libspdm_context_t *context;
2631 : size_t scratch_buffer_size;
2632 :
2633 122 : context = spdm_context;
2634 122 : LIBSPDM_ASSERT (context->local_context.capability.max_spdm_msg_size != 0);
2635 :
2636 122 : scratch_buffer_size = libspdm_get_scratch_buffer_capacity(context);
2637 122 : return scratch_buffer_size;
2638 : }
2639 :
2640 122 : void libspdm_set_scratch_buffer (
2641 : void *spdm_context,
2642 : void *scratch_buffer,
2643 : size_t scratch_buffer_size)
2644 : {
2645 : libspdm_context_t *context;
2646 :
2647 122 : context = spdm_context;
2648 122 : LIBSPDM_ASSERT (context->local_context.capability.max_spdm_msg_size != 0);
2649 122 : LIBSPDM_ASSERT (scratch_buffer_size >= libspdm_get_scratch_buffer_capacity(spdm_context));
2650 122 : context->scratch_buffer = scratch_buffer;
2651 122 : context->scratch_buffer_size = scratch_buffer_size;
2652 122 : context->last_spdm_request = (uint8_t *)scratch_buffer +
2653 122 : libspdm_get_scratch_buffer_last_spdm_request_offset(spdm_context);
2654 : #if LIBSPDM_RESPOND_IF_READY_SUPPORT
2655 122 : context->cache_spdm_request = (uint8_t *)scratch_buffer +
2656 122 : libspdm_get_scratch_buffer_cache_spdm_request_offset(spdm_context);
2657 : #endif
2658 122 : }
2659 :
2660 136913 : void libspdm_get_scratch_buffer (
2661 : void *spdm_context,
2662 : void **scratch_buffer,
2663 : size_t *scratch_buffer_size)
2664 : {
2665 : libspdm_context_t *context;
2666 :
2667 136913 : context = spdm_context;
2668 136913 : LIBSPDM_ASSERT (context->scratch_buffer != NULL);
2669 136913 : LIBSPDM_ASSERT (context->scratch_buffer_size >=
2670 : libspdm_get_scratch_buffer_capacity(spdm_context));
2671 136913 : *scratch_buffer = context->scratch_buffer;
2672 136913 : *scratch_buffer_size = context->scratch_buffer_size;
2673 : /* need to remove last 2 sections, because they are for libspdm internal state track. */
2674 136913 : *scratch_buffer_size -= libspdm_get_scratch_buffer_last_spdm_request_capacity(spdm_context);
2675 : #if LIBSPDM_RESPOND_IF_READY_SUPPORT
2676 136913 : *scratch_buffer_size -= libspdm_get_scratch_buffer_cache_spdm_request_capacity(spdm_context);
2677 : #endif
2678 136913 : }
2679 :
2680 2695 : libspdm_return_t libspdm_acquire_sender_buffer (
2681 : libspdm_context_t *spdm_context, size_t *max_msg_size, void **msg_buf_ptr)
2682 : {
2683 : libspdm_return_t status;
2684 :
2685 2695 : LIBSPDM_ASSERT (spdm_context->sender_buffer == NULL);
2686 2695 : LIBSPDM_ASSERT (spdm_context->sender_buffer_size != 0);
2687 2695 : status = spdm_context->acquire_sender_buffer (spdm_context, msg_buf_ptr);
2688 2695 : if (status != LIBSPDM_STATUS_SUCCESS) {
2689 7 : return status;
2690 : }
2691 2688 : spdm_context->sender_buffer = *msg_buf_ptr;
2692 2688 : *max_msg_size = spdm_context->sender_buffer_size;
2693 : #if LIBSPDM_ENABLE_CAPABILITY_CHUNK_CAP
2694 : /* it return scratch buffer, because the requester need build message there.*/
2695 5376 : *msg_buf_ptr = (uint8_t *)spdm_context->scratch_buffer +
2696 2688 : libspdm_get_scratch_buffer_large_sender_receiver_offset(spdm_context);
2697 2688 : *max_msg_size = libspdm_get_scratch_buffer_large_sender_receiver_capacity(spdm_context);
2698 : #endif
2699 2688 : return LIBSPDM_STATUS_SUCCESS;
2700 : }
2701 :
2702 2688 : void libspdm_release_sender_buffer (libspdm_context_t *spdm_context)
2703 : {
2704 2688 : LIBSPDM_ASSERT(spdm_context->sender_buffer != NULL);
2705 2688 : LIBSPDM_ASSERT(spdm_context->sender_buffer_size != 0);
2706 :
2707 2688 : spdm_context->release_sender_buffer (spdm_context, spdm_context->sender_buffer);
2708 2688 : spdm_context->sender_buffer = NULL;
2709 2688 : }
2710 :
2711 68304 : void libspdm_get_sender_buffer (
2712 : libspdm_context_t *spdm_context,
2713 : void **sender_buffer,
2714 : size_t *sender_buffer_size)
2715 : {
2716 68304 : *sender_buffer = spdm_context->sender_buffer;
2717 68304 : *sender_buffer_size = spdm_context->sender_buffer_size;
2718 68304 : }
2719 :
2720 2645 : libspdm_return_t libspdm_acquire_receiver_buffer (
2721 : libspdm_context_t *spdm_context, size_t *max_msg_size, void **msg_buf_ptr)
2722 : {
2723 : libspdm_return_t status;
2724 :
2725 2645 : LIBSPDM_ASSERT (spdm_context->receiver_buffer == NULL);
2726 2645 : LIBSPDM_ASSERT (spdm_context->receiver_buffer_size != 0);
2727 2645 : status = spdm_context->acquire_receiver_buffer (spdm_context, msg_buf_ptr);
2728 2645 : if (status != LIBSPDM_STATUS_SUCCESS) {
2729 7 : return status;
2730 : }
2731 2638 : spdm_context->receiver_buffer = *msg_buf_ptr;
2732 2638 : *max_msg_size = spdm_context->receiver_buffer_size;
2733 : #if LIBSPDM_ENABLE_CAPABILITY_CHUNK_CAP
2734 : /* it return scratch buffer, because the requester need build message there.*/
2735 5276 : *msg_buf_ptr = (uint8_t *)spdm_context->scratch_buffer +
2736 2638 : libspdm_get_scratch_buffer_large_sender_receiver_offset(spdm_context);
2737 2638 : *max_msg_size = libspdm_get_scratch_buffer_large_sender_receiver_capacity(spdm_context);
2738 : #endif
2739 2638 : return LIBSPDM_STATUS_SUCCESS;
2740 : }
2741 :
2742 2638 : void libspdm_release_receiver_buffer (libspdm_context_t *spdm_context)
2743 : {
2744 2638 : LIBSPDM_ASSERT(spdm_context->receiver_buffer != NULL);
2745 2638 : LIBSPDM_ASSERT(spdm_context->receiver_buffer_size != 0);
2746 :
2747 2638 : spdm_context->release_receiver_buffer (spdm_context, spdm_context->receiver_buffer);
2748 2638 : spdm_context->receiver_buffer = NULL;
2749 2638 : }
2750 :
2751 0 : void libspdm_get_receiver_buffer (
2752 : libspdm_context_t *spdm_context,
2753 : void **receiver_buffer,
2754 : size_t *receiver_buffer_size)
2755 : {
2756 0 : *receiver_buffer = spdm_context->receiver_buffer;
2757 0 : *receiver_buffer_size = spdm_context->receiver_buffer_size;
2758 0 : }
2759 :
2760 0 : void libspdm_get_last_spdm_error_struct(void *spdm_context, libspdm_error_struct_t *last_spdm_error)
2761 : {
2762 : libspdm_context_t *context;
2763 :
2764 0 : context = spdm_context;
2765 0 : libspdm_copy_mem(last_spdm_error, sizeof(libspdm_error_struct_t),
2766 0 : &context->last_spdm_error,sizeof(libspdm_error_struct_t));
2767 0 : }
2768 :
2769 68402 : void libspdm_set_last_spdm_error_struct(void *spdm_context, libspdm_error_struct_t *last_spdm_error)
2770 : {
2771 : libspdm_context_t *context;
2772 :
2773 68402 : context = spdm_context;
2774 68402 : libspdm_copy_mem(&context->last_spdm_error, sizeof(context->last_spdm_error),
2775 : last_spdm_error, sizeof(libspdm_error_struct_t));
2776 68402 : }
2777 :
2778 : #if LIBSPDM_FIPS_MODE
2779 0 : libspdm_return_t libspdm_init_fips_selftest_context(void *fips_selftest_context,
2780 : size_t buffer_size,
2781 : void *buffer)
2782 : {
2783 : libspdm_fips_selftest_context_t *context;
2784 0 : LIBSPDM_ASSERT(fips_selftest_context != NULL);
2785 : LIBSPDM_ASSERT(buffer_size >= LIBSPDM_FIPS_REQUIRED_BUFFER_SIZE);
2786 0 : if (buffer_size > 0) {
2787 0 : LIBSPDM_ASSERT(buffer != NULL);
2788 : }
2789 :
2790 0 : context = fips_selftest_context;
2791 :
2792 : /*No tested for every used algo*/
2793 0 : context->tested_algo = 0;
2794 : /*self_test result is false for every used algo*/
2795 0 : context->self_test_result = 0;
2796 : /*The buffer provided by integrator to hold large intermediate results*/
2797 0 : context->selftest_buffer_size = buffer_size;
2798 0 : context->selftest_buffer = buffer;
2799 :
2800 0 : return LIBSPDM_STATUS_SUCCESS;
2801 : }
2802 :
2803 0 : size_t libspdm_get_fips_selftest_context_size(void)
2804 : {
2805 : size_t size;
2806 :
2807 0 : size = sizeof(libspdm_fips_selftest_context_t);
2808 0 : return size;
2809 : }
2810 :
2811 0 : size_t libspdm_get_fips_selftest_buffer_size(void)
2812 : {
2813 0 : return LIBSPDM_FIPS_REQUIRED_BUFFER_SIZE;
2814 : }
2815 :
2816 0 : bool libspdm_import_fips_selftest_context_to_spdm_context(void *spdm_context,
2817 : void *fips_selftest_context,
2818 : size_t fips_selftest_context_size)
2819 : {
2820 : libspdm_fips_selftest_context_t *libspdm_fips_selftest_context;
2821 : libspdm_context_t *libspdm_context;
2822 :
2823 0 : libspdm_context = spdm_context;
2824 0 : libspdm_fips_selftest_context = fips_selftest_context;
2825 :
2826 0 : if ((libspdm_context == NULL) || (libspdm_fips_selftest_context == NULL)) {
2827 0 : return false;
2828 : }
2829 0 : if (fips_selftest_context_size != sizeof(libspdm_fips_selftest_context_t)) {
2830 0 : return false;
2831 : }
2832 :
2833 0 : libspdm_copy_mem(&(libspdm_context->fips_selftest_context),
2834 : sizeof(libspdm_fips_selftest_context_t),
2835 : libspdm_fips_selftest_context, sizeof(libspdm_fips_selftest_context_t));
2836 0 : return true;
2837 : }
2838 :
2839 0 : bool libspdm_export_fips_selftest_context_from_spdm_context(void *spdm_context,
2840 : void *fips_selftest_context,
2841 : size_t fips_selftest_context_size)
2842 : {
2843 : libspdm_fips_selftest_context_t *libspdm_fips_selftest_context;
2844 : libspdm_context_t *libspdm_context;
2845 :
2846 0 : libspdm_context = spdm_context;
2847 0 : libspdm_fips_selftest_context = fips_selftest_context;
2848 :
2849 0 : if ((libspdm_context == NULL) || (libspdm_fips_selftest_context == NULL)) {
2850 0 : return false;
2851 : }
2852 0 : if (fips_selftest_context_size != sizeof(libspdm_fips_selftest_context_t)) {
2853 0 : return false;
2854 : }
2855 :
2856 0 : libspdm_copy_mem(libspdm_fips_selftest_context,
2857 : sizeof(libspdm_fips_selftest_context_t),
2858 0 : &(libspdm_context->fips_selftest_context),
2859 : sizeof(libspdm_fips_selftest_context_t));
2860 0 : return true;
2861 : }
2862 :
2863 : #endif /* LIBSPDM_FIPS_MODE */
2864 :
2865 125 : libspdm_return_t libspdm_init_context_with_secured_context(void *spdm_context,
2866 : void **secured_contexts,
2867 : size_t num_secured_contexts)
2868 : {
2869 : libspdm_context_t *context;
2870 : size_t index;
2871 :
2872 125 : LIBSPDM_ASSERT(spdm_context != NULL);
2873 125 : LIBSPDM_ASSERT(secured_contexts != NULL);
2874 125 : LIBSPDM_ASSERT(num_secured_contexts == LIBSPDM_MAX_SESSION_COUNT);
2875 :
2876 125 : context = spdm_context;
2877 125 : libspdm_zero_mem(context, sizeof(libspdm_context_t));
2878 125 : context->version = LIBSPDM_CONTEXT_STRUCT_VERSION;
2879 125 : context->transcript.message_a.max_buffer_size =
2880 : sizeof(context->transcript.message_a.buffer);
2881 125 : context->transcript.message_d.max_buffer_size =
2882 : sizeof(context->transcript.message_d.buffer);
2883 : #if LIBSPDM_RECORD_TRANSCRIPT_DATA_SUPPORT
2884 : context->transcript.message_b.max_buffer_size =
2885 : sizeof(context->transcript.message_b.buffer);
2886 : context->transcript.message_c.max_buffer_size =
2887 : sizeof(context->transcript.message_c.buffer);
2888 : context->transcript.message_mut_b.max_buffer_size =
2889 : sizeof(context->transcript.message_mut_b.buffer);
2890 : context->transcript.message_mut_c.max_buffer_size =
2891 : sizeof(context->transcript.message_mut_c.buffer);
2892 : context->transcript.message_m.max_buffer_size =
2893 : sizeof(context->transcript.message_m.buffer);
2894 : context->transcript.message_e.max_buffer_size =
2895 : sizeof(context->transcript.message_e.buffer);
2896 : context->transcript.message_encap_e.max_buffer_size =
2897 : sizeof(context->transcript.message_encap_e.buffer);
2898 : #endif
2899 125 : context->response_state = LIBSPDM_RESPONSE_STATE_NORMAL;
2900 125 : context->local_context.version.spdm_version_count = SPDM_MAX_VERSION_COUNT;
2901 125 : context->local_context.version.spdm_version[0] = SPDM_MESSAGE_VERSION_10 <<
2902 : SPDM_VERSION_NUMBER_SHIFT_BIT;
2903 125 : context->local_context.version.spdm_version[1] = SPDM_MESSAGE_VERSION_11 <<
2904 : SPDM_VERSION_NUMBER_SHIFT_BIT;
2905 125 : context->local_context.version.spdm_version[2] = SPDM_MESSAGE_VERSION_12 <<
2906 : SPDM_VERSION_NUMBER_SHIFT_BIT;
2907 125 : context->local_context.version.spdm_version[3] = SPDM_MESSAGE_VERSION_13 <<
2908 : SPDM_VERSION_NUMBER_SHIFT_BIT;
2909 125 : context->local_context.version.spdm_version[4] = SPDM_MESSAGE_VERSION_14 <<
2910 : SPDM_VERSION_NUMBER_SHIFT_BIT;
2911 125 : context->local_context.secured_message_version.secured_message_version_count =
2912 : SECURED_SPDM_MAX_VERSION_COUNT;
2913 125 : context->local_context.secured_message_version.secured_message_version[0] =
2914 : SECURED_SPDM_VERSION_10 << SPDM_VERSION_NUMBER_SHIFT_BIT;
2915 125 : context->local_context.secured_message_version.secured_message_version[1] =
2916 : SECURED_SPDM_VERSION_11 << SPDM_VERSION_NUMBER_SHIFT_BIT;
2917 125 : context->local_context.secured_message_version.secured_message_version[2] =
2918 : SECURED_SPDM_VERSION_12 << SPDM_VERSION_NUMBER_SHIFT_BIT;
2919 125 : context->local_context.capability.st1 = SPDM_ST1_VALUE_US;
2920 :
2921 125 : context->mut_auth_cert_chain_buffer_size = 0;
2922 :
2923 125 : context->max_spdm_session_sequence_number = LIBSPDM_MAX_SPDM_SESSION_SEQUENCE_NUMBER;
2924 :
2925 125 : context->latest_session_id = INVALID_SESSION_ID;
2926 125 : context->last_spdm_request_session_id = INVALID_SESSION_ID;
2927 125 : context->last_spdm_request_session_id_valid = false;
2928 125 : context->last_spdm_request_size = 0;
2929 :
2930 : /* To be updated in libspdm_register_device_buffer_func */
2931 125 : context->local_context.capability.data_transfer_size = 0;
2932 125 : context->local_context.capability.sender_data_transfer_size = 0;
2933 125 : context->local_context.capability.max_spdm_msg_size = 0;
2934 :
2935 625 : for (index = 0; index < num_secured_contexts; index++) {
2936 500 : if (secured_contexts[index] == NULL) {
2937 0 : return LIBSPDM_STATUS_INVALID_PARAMETER;
2938 : }
2939 :
2940 500 : context->session_info[index].secured_message_context = secured_contexts[index];
2941 500 : libspdm_secured_message_init_context(
2942 : context->session_info[index].secured_message_context);
2943 : }
2944 :
2945 125 : return LIBSPDM_STATUS_SUCCESS;
2946 : }
2947 :
2948 124 : libspdm_return_t libspdm_init_context(void *spdm_context)
2949 : {
2950 : libspdm_context_t *context;
2951 : void *secured_context;
2952 : void *secured_contexts[LIBSPDM_MAX_SESSION_COUNT];
2953 : size_t secured_context_size;
2954 : size_t index;
2955 :
2956 124 : LIBSPDM_ASSERT(spdm_context != NULL);
2957 :
2958 : /* libspdm_get_context_size() allocates space for all secured message
2959 : * contexts. They are appended to the general SPDM context. */
2960 124 : context = spdm_context;
2961 124 : secured_context = (void *)((size_t)(context + 1));
2962 124 : secured_context_size = libspdm_secured_message_get_context_size();
2963 :
2964 620 : for (index = 0; index < LIBSPDM_MAX_SESSION_COUNT; index++)
2965 : {
2966 496 : secured_contexts[index] = (uint8_t *)secured_context + secured_context_size * index;
2967 : }
2968 :
2969 124 : return libspdm_init_context_with_secured_context(spdm_context,
2970 : secured_contexts,
2971 : LIBSPDM_MAX_SESSION_COUNT);
2972 : }
2973 :
2974 45 : void libspdm_reset_context(void *spdm_context)
2975 : {
2976 : libspdm_context_t *context;
2977 : size_t index;
2978 : #if !(LIBSPDM_RECORD_TRANSCRIPT_DATA_SUPPORT)
2979 : void *pubkey_context;
2980 : bool is_requester;
2981 : uint8_t slot_index;
2982 : #endif
2983 :
2984 45 : context = spdm_context;
2985 : #if !(LIBSPDM_RECORD_TRANSCRIPT_DATA_SUPPORT)
2986 45 : is_requester = context->local_context.is_requester;
2987 : #endif
2988 :
2989 : /* Clear all information about previous connection. Local context information is preserved. */
2990 :
2991 : /* Need to clear session information and message transcripts before negotiated algorithm
2992 : * information is cleared. */
2993 225 : for (index = 0; index < LIBSPDM_MAX_SESSION_COUNT; index++)
2994 : {
2995 180 : libspdm_session_info_init(context,
2996 : &context->session_info[index],
2997 : INVALID_SESSION_ID,
2998 : 0,
2999 : false);
3000 : }
3001 :
3002 45 : libspdm_reset_message_a(spdm_context);
3003 45 : libspdm_reset_message_d(spdm_context);
3004 45 : libspdm_reset_message_b(spdm_context);
3005 45 : libspdm_reset_message_c(spdm_context);
3006 45 : libspdm_reset_message_mut_b(spdm_context);
3007 45 : libspdm_reset_message_mut_c(spdm_context);
3008 45 : libspdm_reset_message_m(spdm_context, NULL);
3009 45 : libspdm_reset_message_e(spdm_context, NULL);
3010 45 : libspdm_reset_message_encap_e(spdm_context, NULL);
3011 :
3012 : #if !(LIBSPDM_RECORD_TRANSCRIPT_DATA_SUPPORT)
3013 : /* Free the peer leaf certificate public key contexts while the negotiated
3014 : * algorithm they were parsed under is still known; that algorithm is cleared
3015 : * below, and these contexts are otherwise only released in
3016 : * libspdm_deinit_context, so they leak across every re-connection. */
3017 405 : for (slot_index = 0; slot_index < SPDM_MAX_SLOT_COUNT; slot_index++) {
3018 360 : pubkey_context = context->connection_info.peer_used_cert_chain[slot_index].
3019 : leaf_cert_public_key;
3020 :
3021 360 : if (pubkey_context != NULL) {
3022 1 : if (is_requester) {
3023 1 : if (context->connection_info.algorithm.pqc_asym_algo != 0) {
3024 0 : libspdm_pqc_asym_free(
3025 : context->connection_info.algorithm.pqc_asym_algo, pubkey_context);
3026 : } else {
3027 1 : libspdm_asym_free(
3028 : context->connection_info.algorithm.base_asym_algo, pubkey_context);
3029 : }
3030 : } else {
3031 0 : if (context->connection_info.algorithm.req_pqc_asym_alg != 0) {
3032 0 : libspdm_req_pqc_asym_free(
3033 : context->connection_info.algorithm.req_pqc_asym_alg, pubkey_context);
3034 : } else {
3035 0 : libspdm_req_asym_free(
3036 0 : context->connection_info.algorithm.req_base_asym_alg, pubkey_context);
3037 : }
3038 : }
3039 :
3040 1 : context->connection_info.peer_used_cert_chain[slot_index].leaf_cert_public_key = NULL;
3041 : }
3042 : }
3043 : #endif
3044 :
3045 45 : context->connection_info.connection_state = LIBSPDM_CONNECTION_STATE_NOT_STARTED;
3046 45 : libspdm_zero_mem(&context->connection_info.version, sizeof(spdm_version_number_t));
3047 45 : libspdm_zero_mem(&context->connection_info.capability,
3048 : sizeof(libspdm_device_capability_t));
3049 45 : libspdm_zero_mem(&context->connection_info.algorithm, sizeof(libspdm_device_algorithm_t));
3050 45 : libspdm_zero_mem(&context->last_spdm_error, sizeof(libspdm_error_struct_t));
3051 45 : libspdm_zero_mem(&context->encap_context, sizeof(libspdm_encap_context_t));
3052 45 : context->connection_info.multi_key_conn_req = false;
3053 45 : context->connection_info.multi_key_conn_rsp = false;
3054 : #if LIBSPDM_RESPOND_IF_READY_SUPPORT
3055 45 : context->cache_spdm_request_size = 0;
3056 : #endif
3057 45 : context->response_state = LIBSPDM_RESPONSE_STATE_NORMAL;
3058 45 : context->current_token = 0;
3059 45 : context->latest_session_id = INVALID_SESSION_ID;
3060 45 : context->last_spdm_request_session_id = INVALID_SESSION_ID;
3061 45 : context->last_spdm_request_session_id_valid = false;
3062 45 : context->last_spdm_request_size = 0;
3063 45 : context->mut_auth_cert_chain_buffer_size = 0;
3064 45 : context->current_dhe_session_count = 0;
3065 45 : context->current_psk_session_count = 0;
3066 45 : }
3067 :
3068 0 : void libspdm_deinit_context(void *spdm_context)
3069 : {
3070 : uint32_t session_id;
3071 : libspdm_context_t *context;
3072 : libspdm_session_info_t *session_info;
3073 : #if !(LIBSPDM_RECORD_TRANSCRIPT_DATA_SUPPORT)
3074 : void *pubkey_context;
3075 : bool is_requester;
3076 : uint8_t slot_index;
3077 : #endif
3078 :
3079 0 : context = spdm_context;
3080 :
3081 : #if !(LIBSPDM_RECORD_TRANSCRIPT_DATA_SUPPORT)
3082 0 : is_requester = context->local_context.is_requester;
3083 :
3084 0 : for (slot_index = 0; slot_index < SPDM_MAX_SLOT_COUNT; slot_index++) {
3085 0 : pubkey_context = context->connection_info.peer_used_cert_chain[slot_index].
3086 : leaf_cert_public_key;
3087 :
3088 0 : if (pubkey_context != NULL) {
3089 0 : if (is_requester) {
3090 0 : if (context->connection_info.algorithm.pqc_asym_algo != 0) {
3091 0 : libspdm_pqc_asym_free(
3092 : context->connection_info.algorithm.pqc_asym_algo, pubkey_context);
3093 : } else {
3094 0 : libspdm_asym_free(
3095 : context->connection_info.algorithm.base_asym_algo, pubkey_context);
3096 : }
3097 : } else {
3098 0 : if (context->connection_info.algorithm.req_pqc_asym_alg != 0) {
3099 0 : libspdm_req_pqc_asym_free(
3100 : context->connection_info.algorithm.req_pqc_asym_alg, pubkey_context);
3101 : } else {
3102 0 : libspdm_req_asym_free(
3103 0 : context->connection_info.algorithm.req_base_asym_alg, pubkey_context);
3104 : }
3105 : }
3106 :
3107 0 : context->connection_info.peer_used_cert_chain[slot_index].leaf_cert_public_key = NULL;
3108 : }
3109 : }
3110 : #endif
3111 :
3112 0 : libspdm_reset_message_a(context);
3113 0 : libspdm_reset_message_d(context);
3114 0 : libspdm_reset_message_b(context);
3115 0 : libspdm_reset_message_c(context);
3116 0 : libspdm_reset_message_mut_b(context);
3117 0 : libspdm_reset_message_mut_c(context);
3118 0 : libspdm_reset_message_m(spdm_context, NULL);
3119 0 : libspdm_reset_message_e(spdm_context, NULL);
3120 0 : libspdm_reset_message_encap_e(spdm_context, NULL);
3121 0 : for (session_id = 0; session_id < LIBSPDM_MAX_SESSION_COUNT; session_id++) {
3122 0 : session_info = &context->session_info[session_id];
3123 0 : libspdm_reset_message_m(context, session_info);
3124 0 : libspdm_reset_message_e(context, session_info);
3125 0 : libspdm_reset_message_encap_e(context, session_info);
3126 0 : libspdm_reset_message_encap_d(session_info);
3127 0 : libspdm_reset_message_k(context, session_info);
3128 0 : libspdm_reset_message_f(context, session_info);
3129 : }
3130 0 : }
3131 :
3132 124 : size_t libspdm_get_context_size(void)
3133 : {
3134 : size_t size;
3135 :
3136 124 : size = sizeof(libspdm_context_t) +
3137 124 : libspdm_secured_message_get_context_size() * LIBSPDM_MAX_SESSION_COUNT;
3138 124 : LIBSPDM_ASSERT (size == LIBSPDM_CONTEXT_SIZE_ALL);
3139 124 : return size;
3140 : }
3141 :
3142 1 : size_t libspdm_get_context_size_without_secured_context(void)
3143 : {
3144 : size_t size;
3145 :
3146 1 : size = sizeof(libspdm_context_t);
3147 1 : LIBSPDM_ASSERT (size == LIBSPDM_CONTEXT_SIZE_WITHOUT_SECURED_CONTEXT);
3148 1 : return size;
3149 : }
3150 :
3151 253 : uint8_t libspdm_get_version_from_version_number(spdm_version_number_t ver)
3152 : {
3153 253 : return (uint8_t)(ver >> SPDM_VERSION_NUMBER_SHIFT_BIT);
3154 : }
3155 :
3156 60 : void libspdm_version_number_sort(spdm_version_number_t *ver_set, size_t ver_num)
3157 : {
3158 : size_t index;
3159 : size_t index_sort;
3160 : size_t index_max;
3161 : spdm_version_number_t version;
3162 :
3163 : /* Select sort */
3164 60 : if (ver_num > 1) {
3165 135 : for (index_sort = 0; index_sort < ver_num; index_sort++) {
3166 103 : index_max = index_sort;
3167 230 : for (index = index_sort + 1; index < ver_num; index++) {
3168 : /* if ver_ser[index] higher than ver_set[index_max] */
3169 127 : if (ver_set[index] > ver_set[index_max]) {
3170 74 : index_max = index;
3171 : }
3172 : }
3173 : /* swap ver_ser[index_min] and ver_set[index_sort] */
3174 103 : version = ver_set[index_sort];
3175 103 : ver_set[index_sort] = ver_set[index_max];
3176 103 : ver_set[index_max] = version;
3177 : }
3178 : }
3179 60 : }
3180 :
3181 30 : bool libspdm_negotiate_connection_version(spdm_version_number_t *common_version,
3182 : spdm_version_number_t *req_ver_set,
3183 : size_t req_ver_num,
3184 : const spdm_version_number_t *res_ver_set,
3185 : size_t res_ver_num)
3186 : {
3187 : spdm_version_number_t req_version_list[LIBSPDM_MAX_VERSION_COUNT];
3188 : spdm_version_number_t res_version_list[LIBSPDM_MAX_VERSION_COUNT];
3189 : size_t req_index;
3190 : size_t res_index;
3191 :
3192 30 : if (req_ver_num > LIBSPDM_MAX_VERSION_COUNT || res_ver_num > LIBSPDM_MAX_VERSION_COUNT) {
3193 0 : return false;
3194 : }
3195 :
3196 30 : if (req_ver_set == NULL || req_ver_num == 0 || res_ver_set == NULL || res_ver_num == 0) {
3197 0 : return false;
3198 : }
3199 :
3200 30 : libspdm_zero_mem(req_version_list, sizeof(spdm_version_number_t) * LIBSPDM_MAX_VERSION_COUNT);
3201 30 : libspdm_zero_mem(res_version_list, sizeof(spdm_version_number_t) * LIBSPDM_MAX_VERSION_COUNT);
3202 :
3203 30 : libspdm_copy_mem(req_version_list, sizeof(spdm_version_number_t) * LIBSPDM_MAX_VERSION_COUNT,
3204 : req_ver_set, sizeof(spdm_version_number_t) * req_ver_num);
3205 30 : libspdm_copy_mem(res_version_list, sizeof(spdm_version_number_t) * LIBSPDM_MAX_VERSION_COUNT,
3206 : res_ver_set, sizeof(spdm_version_number_t) * res_ver_num);
3207 :
3208 : /* Sort SPDMversion in descending order. */
3209 30 : libspdm_version_number_sort(req_version_list, req_ver_num);
3210 30 : libspdm_version_number_sort(res_version_list, res_ver_num);
3211 :
3212 : /**
3213 : * Find highest same version and make req_index point to it.
3214 : * If not found, return false.
3215 : **/
3216 35 : for (res_index = 0; res_index < res_ver_num; res_index++) {
3217 67 : for (req_index = 0; req_index < req_ver_num; req_index++) {
3218 124 : if (libspdm_get_version_from_version_number(req_version_list[req_index]) ==
3219 62 : libspdm_get_version_from_version_number(res_version_list[res_index])) {
3220 29 : *common_version = req_version_list[req_index];
3221 29 : return true;
3222 : }
3223 : }
3224 : }
3225 1 : return false;
3226 : }
3227 :
3228 : #if LIBSPDM_EVENT_RECIPIENT_SUPPORT
3229 20 : void libspdm_register_event_callback(void *context,
3230 : libspdm_process_event_func process_event_func)
3231 : {
3232 : libspdm_context_t *spdm_context;
3233 :
3234 20 : spdm_context = context;
3235 20 : spdm_context->process_event = process_event_func;
3236 20 : }
3237 : #endif /* LIBSPDM_EVENT_RECIPIENT_SUPPORT */
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