1 //******************************************************************
3 // Copyright 2015 Intel Mobile Communications GmbH All Rights Reserved.
5 //-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
7 // Licensed under the Apache License, Version 2.0 (the "License");
8 // you may not use this file except in compliance with the License.
9 // You may obtain a copy of the License at
11 // http://www.apache.org/licenses/LICENSE-2.0
13 // Unless required by applicable law or agreed to in writing, software
14 // distributed under the License is distributed on an "AS IS" BASIS,
15 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 // See the License for the specific language governing permissions and
17 // limitations under the License.
19 //-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
21 #define __STDC_LIMIT_MACROS
31 #include "cainterface.h"
32 #include "payload_logging.h"
36 #include "ocserverrequest.h"
37 #include "oic_malloc.h"
38 #include "ocpayload.h"
40 #include "credresource.h"
41 #include "doxmresource.h"
42 #include "pstatresource.h"
43 #include "iotvticalendar.h"
45 #include "resourcemanager.h"
46 #include "srmresourcestrings.h"
47 #include "srmutility.h"
48 #include "psinterface.h"
49 #include "pinoxmcommon.h"
55 #define TAG "SRM-CREDL"
57 /** Default cbor payload size. This value is increased in case of CborErrorOutOfMemory.
58 * The value of payload size is increased until reaching belox max cbor size. */
59 static const uint16_t CBOR_SIZE = 2048;
61 /** Max cbor size payload. */
62 static const uint16_t CBOR_MAX_SIZE = 4400;
64 /** CRED size - Number of mandatory items. */
65 static const uint8_t CRED_ROOT_MAP_SIZE = 2;
66 static const uint8_t CRED_MAP_SIZE = 3;
69 static OicSecCred_t *gCred = NULL;
70 static OCResourceHandle gCredHandle = NULL;
73 * This function frees OicSecCred_t object's fields and object itself.
75 static void FreeCred(OicSecCred_t *cred)
79 OIC_LOG(ERROR, TAG, "Invalid Parameter");
82 //Note: Need further clarification on roleID data type
85 OICFree(cred->roleIds);
90 OICFree(cred->publicData.data);
94 OICFree(cred->privateData.data);
97 OICFree(cred->period);
99 //Clean Cred node itself
103 void DeleteCredList(OicSecCred_t* cred)
107 OicSecCred_t *credTmp1 = NULL, *credTmp2 = NULL;
108 LL_FOREACH_SAFE(cred, credTmp1, credTmp2)
110 LL_DELETE(cred, credTmp1);
116 static size_t OicSecCredCount(const OicSecCred_t *secCred)
119 for (const OicSecCred_t *cred = secCred; cred; cred = cred->next)
126 OCStackResult CredToCBORPayload(const OicSecCred_t *credS, uint8_t **cborPayload,
127 size_t *cborSize, int secureFlag)
129 if (NULL == credS || NULL == cborPayload || NULL != *cborPayload || NULL == cborSize)
131 return OC_STACK_INVALID_PARAM;
134 OCStackResult ret = OC_STACK_ERROR;
136 CborError cborEncoderResult = CborNoError;
137 uint8_t *outPayload = NULL;
138 size_t cborLen = *cborSize;
141 const OicSecCred_t *cred = credS;
143 CborEncoder credArray;
144 CborEncoder credRootMap;
151 outPayload = (uint8_t *)OICCalloc(1, cborLen);
152 VERIFY_NON_NULL(TAG, outPayload, ERROR);
153 cbor_encoder_init(&encoder, outPayload, cborLen, 0);
155 // Create CRED Root Map (creds, rownerid)
156 cborEncoderResult = cbor_encoder_create_map(&encoder, &credRootMap, CRED_ROOT_MAP_SIZE);
157 VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding Cred Root Map");
160 cborEncoderResult = cbor_encode_text_string(&credRootMap, OIC_JSON_CREDS_NAME,
161 strlen(OIC_JSON_CREDS_NAME));
162 VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding creds Name Tag.");
165 cborEncoderResult = cbor_encoder_create_array(&credRootMap, &credArray, OicSecCredCount(cred));
166 VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding Cred Array.");
171 size_t mapSize = CRED_MAP_SIZE;
172 char *subject = NULL;
178 if (SIGNED_ASYMMETRIC_KEY == cred->credType && cred->publicData.data)
182 #endif /* __WITH_X509__ */
183 if (!secureFlag && cred->privateData.data)
187 cborEncoderResult = cbor_encoder_create_map(&credArray, &credMap, mapSize);
188 VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding Cred Map");
190 //CredID -- Mandatory
191 cborEncoderResult = cbor_encode_text_string(&credMap, OIC_JSON_CREDID_NAME,
192 strlen(OIC_JSON_CREDID_NAME));
193 VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding Cred Id Tag. ");
194 cborEncoderResult = cbor_encode_int(&credMap, cred->credId);
195 VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding Cred Id Value.");
197 //Subject -- Mandatory
198 cborEncoderResult = cbor_encode_text_string(&credMap, OIC_JSON_SUBJECTID_NAME,
199 strlen(OIC_JSON_SUBJECTID_NAME));
200 VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding Subject Tag.");
201 ret = ConvertUuidToStr(&cred->subject, &subject);
202 VERIFY_SUCCESS(TAG, ret == OC_STACK_OK, ERROR);
203 cborEncoderResult = cbor_encode_text_string(&credMap, subject, strlen(subject));
204 VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Addding Subject Id Value.");
207 //CredType -- Mandatory
208 cborEncoderResult = cbor_encode_text_string(&credMap, OIC_JSON_CREDTYPE_NAME,
209 strlen(OIC_JSON_CREDTYPE_NAME));
210 VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding Cred Type Tag.");
211 cborEncoderResult = cbor_encode_int(&credMap, cred->credType);
212 VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding Cred Type Value.");
215 //PublicData -- Not Mandatory
216 if (SIGNED_ASYMMETRIC_KEY == cred->credType && cred->publicData.data)
218 CborEncoder publicMap;
219 const size_t publicMapSize = 2;
221 cborEncoderResult = cbor_encode_text_string(&credMap, OIC_JSON_PUBLICDATA_NAME,
222 strlen(OIC_JSON_PUBLICDATA_NAME));
223 VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding PublicData Tag.");
225 cborEncoderResult = cbor_encoder_create_map(&credMap, &publicMap, publicMapSize);
226 VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding PublicData Map");
228 cborEncoderResult = cbor_encode_text_string(&publicMap, OIC_JSON_DATA_NAME,
229 strlen(OIC_JSON_DATA_NAME));
230 VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding Pub Data Tag.");
231 cborEncoderResult = cbor_encode_byte_string(&publicMap, cred->publicData.data,
232 cred->publicData.len);
233 VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding Pub Value.");
235 // TODO: Need to data strucure modification for OicSecCert_t.
236 cborEncoderResult = cbor_encode_text_string(&publicMap, OIC_JSON_ENCODING_NAME,
237 strlen(OIC_JSON_ENCODING_NAME));
238 VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding Public Encoding Tag.");
239 cborEncoderResult = cbor_encode_text_string(&publicMap, OIC_SEC_ENCODING_RAW,
240 strlen(OIC_SEC_ENCODING_RAW));
241 VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding Public Encoding Value.");
243 cborEncoderResult = cbor_encoder_close_container(&credMap, &publicMap);
244 VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Closing PublicData Map.");
246 #endif /*__WITH_X509__*/
247 //PrivateData -- Not Mandatory
248 if(!secureFlag && cred->privateData.data)
250 CborEncoder privateMap;
251 const size_t privateMapSize = 2;
253 cborEncoderResult = cbor_encode_text_string(&credMap, OIC_JSON_PRIVATEDATA_NAME,
254 strlen(OIC_JSON_PRIVATEDATA_NAME));
255 VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding PrivateData Tag.");
257 cborEncoderResult = cbor_encoder_create_map(&credMap, &privateMap, privateMapSize);
258 VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding PrivateData Map");
260 // TODO: Need to data strucure modification for OicSecKey_t.
261 // TODO: Added as workaround, will be replaced soon.
262 if(OIC_ENCODING_RAW == cred->privateData.encoding)
264 cborEncoderResult = cbor_encode_text_string(&privateMap, OIC_JSON_ENCODING_NAME,
265 strlen(OIC_JSON_ENCODING_NAME));
266 VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding Private Encoding Tag.");
267 cborEncoderResult = cbor_encode_text_string(&privateMap, OIC_SEC_ENCODING_RAW,
268 strlen(OIC_SEC_ENCODING_RAW));
269 VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding Private Encoding Value.");
271 cborEncoderResult = cbor_encode_text_string(&privateMap, OIC_JSON_DATA_NAME,
272 strlen(OIC_JSON_DATA_NAME));
273 VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding Priv Tag.");
274 cborEncoderResult = cbor_encode_byte_string(&privateMap, cred->privateData.data,
275 cred->privateData.len);
276 VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding Priv Value.");
278 else if(OIC_ENCODING_BASE64 == cred->privateData.encoding)
280 cborEncoderResult = cbor_encode_text_string(&privateMap, OIC_JSON_ENCODING_NAME,
281 strlen(OIC_JSON_ENCODING_NAME));
282 VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding Private Encoding Tag.");
283 cborEncoderResult = cbor_encode_text_string(&privateMap, OIC_SEC_ENCODING_BASE64,
284 strlen(OIC_SEC_ENCODING_BASE64));
285 VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding Private Encoding Value.");
287 cborEncoderResult = cbor_encode_text_string(&privateMap, OIC_JSON_DATA_NAME,
288 strlen(OIC_JSON_DATA_NAME));
289 VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding Priv Tag.");
290 cborEncoderResult = cbor_encode_text_string(&privateMap, (char*)(cred->privateData.data),
291 cred->privateData.len);
292 VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding Priv Value.");
296 OIC_LOG(ERROR, TAG, "Unknow encoding type for private data.");
297 VERIFY_CBOR_SUCCESS(TAG, CborErrorUnknownType, "Failed Adding Private Encoding Value.");
300 cborEncoderResult = cbor_encoder_close_container(&credMap, &privateMap);
301 VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Closing PrivateData Map.");
304 //Period -- Not Mandatory
307 cborEncoderResult = cbor_encode_text_string(&credMap, OIC_JSON_PERIOD_NAME,
308 strlen(OIC_JSON_PERIOD_NAME));
309 VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding Period Name Tag.");
310 cborEncoderResult = cbor_encode_text_string(&credMap, cred->period,
311 strlen(cred->period));
312 VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding Period Name Value.");
316 cborEncoderResult = cbor_encoder_close_container(&credArray, &credMap);
317 VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Closing Cred Map.");
321 cborEncoderResult = cbor_encoder_close_container(&credRootMap, &credArray);
322 VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Closing Cred Array.");
329 cborEncoderResult = cbor_encode_text_string(&credRootMap, OIC_JSON_ROWNERID_NAME,
330 strlen(OIC_JSON_ROWNERID_NAME));
331 VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Adding rownerid Name.");
332 ret = ConvertUuidToStr(&cred->rownerID, &rowner);
333 VERIFY_SUCCESS(TAG, ret == OC_STACK_OK, ERROR);
334 cborEncoderResult = cbor_encode_text_string(&credRootMap, rowner, strlen(rowner));
335 VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Addding rownerid Value.");
339 // Close CRED Root Map
340 cborEncoderResult = cbor_encoder_close_container(&encoder, &credRootMap);
341 VERIFY_CBOR_SUCCESS(TAG, cborEncoderResult, "Failed Closing CRED Root Map.");
343 if (CborNoError == cborEncoderResult)
345 OIC_LOG(DEBUG, TAG, "CredToCBORPayload Successed");
346 *cborPayload = outPayload;
347 *cborSize = encoder.ptr - outPayload;
350 OIC_LOG(DEBUG, TAG, "CredToCBORPayload OUT");
352 if (CborErrorOutOfMemory == cborEncoderResult)
354 OIC_LOG(DEBUG, TAG, "CredToCBORPayload:CborErrorOutOfMemory : retry with more memory");
355 // reallocate and try again!
357 // Since the allocated initial memory failed, double the memory.
358 cborLen += encoder.ptr - encoder.end;
359 cborEncoderResult = CborNoError;
360 ret = CredToCBORPayload(credS, cborPayload, &cborLen, secureFlag);
364 if (CborNoError != cborEncoderResult)
366 OIC_LOG(ERROR, TAG, "Failed to CredToCBORPayload");
371 ret = OC_STACK_ERROR;
377 OCStackResult CBORPayloadToCred(const uint8_t *cborPayload, size_t size,
378 OicSecCred_t **secCred)
380 if (NULL == cborPayload || NULL == secCred || NULL != *secCred || 0 == size)
382 return OC_STACK_INVALID_PARAM;
385 OCStackResult ret = OC_STACK_ERROR;
386 CborValue credCbor = { .parser = NULL };
387 CborParser parser = { .end = NULL };
388 CborError cborFindResult = CborNoError;
389 cbor_parser_init(cborPayload, size, 0, &parser, &credCbor);
391 OicSecCred_t *headCred = (OicSecCred_t *) OICCalloc(1, sizeof(OicSecCred_t));
393 // Enter CRED Root Map
394 CborValue CredRootMap = { .parser = NULL, .ptr = NULL, .remaining = 0, .extra = 0, .type = 0, .flags = 0 };
395 cborFindResult = cbor_value_enter_container(&credCbor, &CredRootMap);
396 VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed Entering CRED Root Map.");
398 while (cbor_value_is_valid(&CredRootMap))
400 char* tagName = NULL;
402 CborType type = cbor_value_get_type(&CredRootMap);
403 if (type == CborTextStringType && cbor_value_is_text_string(&CredRootMap))
405 cborFindResult = cbor_value_dup_text_string(&CredRootMap, &tagName, &len, NULL);
406 VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed Finding Name in CRED Root Map.");
407 cborFindResult = cbor_value_advance(&CredRootMap);
408 VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed Advancing Value in CRED Root Map.");
412 if (strcmp(tagName, OIC_JSON_CREDS_NAME) == 0)
417 CborValue credArray = { .parser = NULL, .ptr = NULL, .remaining = 0, .extra = 0, .type = 0, .flags = 0 };
418 cborFindResult = cbor_value_enter_container(&CredRootMap, &credArray);
419 VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed Finding Cred Array.");
421 while (cbor_value_is_valid(&credArray))
424 //CredId -- Mandatory
425 CborValue credMap = { .parser = NULL, .ptr = NULL, .remaining = 0, .extra = 0, .type = 0, .flags = 0 };
426 cborFindResult = cbor_value_enter_container(&credArray, &credMap);
427 VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed Finding Cred Map.");
428 OicSecCred_t *cred = NULL;
436 cred = (OicSecCred_t *) OICCalloc(1, sizeof(OicSecCred_t));
437 OicSecCred_t *temp = headCred;
445 VERIFY_NON_NULL(TAG, cred, ERROR);
447 while(cbor_value_is_valid(&credMap) && cbor_value_is_text_string(&credMap))
450 CborType type = cbor_value_get_type(&credMap);
451 if (type == CborTextStringType)
453 cborFindResult = cbor_value_dup_text_string(&credMap, &name, &len, NULL);
454 VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed Finding Name in CRED Map.");
455 cborFindResult = cbor_value_advance(&credMap);
456 VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed Advancing Value in CRED Map.");
461 if (strcmp(name, OIC_JSON_CREDID_NAME) == 0)
463 cborFindResult = cbor_value_get_uint64(&credMap, (uint64_t *) &cred->credId);
464 VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed Finding CredId.");
467 if (strcmp(name, OIC_JSON_SUBJECTID_NAME) == 0)
469 char *subjectid = NULL;
470 cborFindResult = cbor_value_dup_text_string(&credMap, &subjectid, &len, NULL);
471 VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed Finding subjectid Value.");
472 ret = ConvertStrToUuid(subjectid, &cred->subject);
473 VERIFY_SUCCESS(TAG, ret == OC_STACK_OK, ERROR);
477 if (strcmp(name, OIC_JSON_CREDTYPE_NAME) == 0)
479 cborFindResult = cbor_value_get_uint64(&credMap, (uint64_t *) &cred->credType);
480 VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed Finding CredType.");
483 if (strcmp(name, OIC_JSON_PRIVATEDATA_NAME) == 0)
485 CborValue privateMap = { .parser = NULL };
486 cborFindResult = cbor_value_enter_container(&credMap, &privateMap);
488 while (cbor_value_is_valid(&privateMap))
490 char* privname = NULL;
491 CborType type = cbor_value_get_type(&privateMap);
492 if (type == CborTextStringType && cbor_value_is_text_string(&privateMap))
494 cborFindResult = cbor_value_dup_text_string(&privateMap, &privname,
496 VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed to get text");
497 cborFindResult = cbor_value_advance(&privateMap);
498 VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed to advance value");
502 // PrivateData::privdata -- Mandatory
503 if (strcmp(privname, OIC_JSON_DATA_NAME) == 0 && cbor_value_is_byte_string(&privateMap))
505 if(cbor_value_is_byte_string(&privateMap))
507 cborFindResult = cbor_value_dup_byte_string(&privateMap, &cred->privateData.data,
508 &cred->privateData.len, NULL);
510 else if(cbor_value_is_text_string(&privateMap))
512 cborFindResult = cbor_value_dup_text_string(&privateMap, (char**)(&cred->privateData.data),
513 &cred->privateData.len, NULL);
517 cborFindResult = CborErrorUnknownType;
518 OIC_LOG(ERROR, TAG, "Unknow type for private data.");
520 VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed Finding PrivateData.");
523 // PrivateData::encoding -- Mandatory
524 if (strcmp(privname, OIC_JSON_ENCODING_NAME) == 0)
526 // TODO: Added as workaround. Will be replaced soon.
527 char* strEncoding = NULL;
528 cborFindResult = cbor_value_dup_text_string(&privateMap, &strEncoding, &len, NULL);
529 VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed Finding EncodingType");
531 if(strcmp(strEncoding, OIC_SEC_ENCODING_RAW) == 0)
533 cred->privateData.encoding = OIC_ENCODING_RAW;
535 else if(strcmp(strEncoding, OIC_SEC_ENCODING_BASE64) == 0)
537 cred->privateData.encoding = OIC_ENCODING_BASE64;
542 cred->privateData.encoding = OIC_ENCODING_RAW;
543 OIC_LOG(WARNING, TAG, "Unknow encoding type dectected for private data.");
546 OICFree(strEncoding);
549 if (cbor_value_is_valid(&privateMap))
551 cborFindResult = cbor_value_advance(&privateMap);
552 VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed Advancing privatedata Map.");
559 if (strcmp(name, OIC_JSON_PUBLICDATA_NAME) == 0)
561 CborValue pubMap = { .parser = NULL };
562 cborFindResult = cbor_value_enter_container(&credMap, &pubMap);
564 while (cbor_value_is_valid(&pubMap))
566 char* pubname = NULL;
567 CborType type = cbor_value_get_type(&pubMap);
568 if (type == CborTextStringType && cbor_value_is_text_string(&pubMap))
570 cborFindResult = cbor_value_dup_text_string(&pubMap, &pubname,
572 VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed to get text");
573 cborFindResult = cbor_value_advance(&pubMap);
574 VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed to advance value");
578 // PrivateData::privdata -- Mandatory
579 if (strcmp(pubname, OIC_JSON_DATA_NAME) == 0 && cbor_value_is_byte_string(&pubMap))
581 cborFindResult = cbor_value_dup_byte_string(&pubMap, &cred->publicData.data,
582 &cred->publicData.len, NULL);
583 VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed Finding PubData.");
585 // PublicData::encoding -- Mandatory
586 if (strcmp(pubname, OIC_JSON_ENCODING_NAME) == 0)
588 // TODO: Need to update data structure, just ignore encoding value now.
591 if (cbor_value_is_valid(&pubMap))
593 cborFindResult = cbor_value_advance(&pubMap);
594 VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed Advancing publicdata Map.");
599 #endif //__WITH_X509__
601 if (0 == strcmp(OIC_JSON_PERIOD_NAME, name))
603 cborFindResult = cbor_value_dup_text_string(&credMap, &cred->period, &len, NULL);
604 VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed Finding Period.");
607 if (cbor_value_is_valid(&credMap))
609 cborFindResult = cbor_value_advance(&credMap);
610 VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed Advancing CRED Map.");
616 if (cbor_value_is_valid(&credArray))
618 cborFindResult = cbor_value_advance(&credArray);
619 VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed Advancing CRED Array.");
624 //ROwner -- Mandatory
625 if (strcmp(tagName, OIC_JSON_ROWNERID_NAME) == 0 && cbor_value_is_text_string(&CredRootMap))
627 char *stRowner = NULL;
628 cborFindResult = cbor_value_dup_text_string(&CredRootMap, &stRowner, &len, NULL);
629 VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed Finding Rownerid Value.");
631 ret = ConvertStrToUuid(stRowner, &headCred->rownerID);
632 VERIFY_SUCCESS(TAG, ret == OC_STACK_OK, ERROR);
637 if (cbor_value_is_valid(&CredRootMap))
639 cborFindResult = cbor_value_advance(&CredRootMap);
640 VERIFY_CBOR_SUCCESS(TAG, cborFindResult, "Failed Advancing CRED Root Map.");
648 if (CborNoError != cborFindResult)
650 DeleteCredList(headCred);
653 ret = OC_STACK_ERROR;
659 OicSecCred_t * GenerateCredential(const OicUuid_t * subject, OicSecCredType_t credType,
660 const OicSecCert_t * publicData, const OicSecKey_t* privateData,
661 const OicUuid_t * rownerID)
664 OCStackResult ret = OC_STACK_ERROR;
666 OicSecCred_t *cred = (OicSecCred_t *)OICCalloc(1, sizeof(*cred));
667 VERIFY_NON_NULL(TAG, cred, ERROR);
669 //CredId is assigned before appending new cred to the existing
670 //credential list and updating svr database in AddCredential().
673 VERIFY_NON_NULL(TAG, subject, ERROR);
674 memcpy(cred->subject.id, subject->id , sizeof(cred->subject.id));
676 VERIFY_SUCCESS(TAG, credType < (NO_SECURITY_MODE | SYMMETRIC_PAIR_WISE_KEY |
677 SYMMETRIC_GROUP_KEY | ASYMMETRIC_KEY | SIGNED_ASYMMETRIC_KEY | PIN_PASSWORD), ERROR);
678 cred->credType = credType;
681 if (publicData && publicData->data)
683 cred->publicData.data = (uint8_t *)OICCalloc(1, publicData->len);
684 VERIFY_NON_NULL(TAG, cred->publicData.data, ERROR);
685 memcpy(cred->publicData.data, publicData->data, publicData->len);
686 cred->publicData.len = publicData->len;
688 #endif // __WITH_X509__
690 if (privateData && privateData->data)
692 cred->privateData.data = (uint8_t *)OICCalloc(1, privateData->len);
693 VERIFY_NON_NULL(TAG, cred->privateData.data, ERROR);
694 memcpy(cred->privateData.data, privateData->data, privateData->len);
695 cred->privateData.len = privateData->len;
697 // TODO: Added as workaround. Will be replaced soon.
698 cred->privateData.encoding = OIC_ENCODING_RAW;
701 // NOTE: Test codes to use base64 for credential.
702 uint32_t outSize = 0;
703 size_t b64BufSize = B64ENCODE_OUT_SAFESIZE((privateData->len + 1));
704 char* b64Buf = (uint8_t *)OICCalloc(1, b64BufSize);
705 VERIFY_NON_NULL(TAG, b64Buf, ERROR);
706 b64Encode(privateData->data, privateData->len, b64Buf, b64BufSize, &outSize);
708 OICFree( cred->privateData.data );
709 cred->privateData.data = (uint8_t *)OICCalloc(1, outSize + 1);
710 VERIFY_NON_NULL(TAG, cred->privateData.data, ERROR);
712 strcpy(cred->privateData.data, b64Buf);
713 cred->privateData.encoding = OIC_ENCODING_BASE64;
714 cred->privateData.len = outSize;
716 #endif //End of Test codes
720 VERIFY_NON_NULL(TAG, rownerID, ERROR);
721 memcpy(&cred->rownerID, rownerID, sizeof(OicUuid_t));
725 if (OC_STACK_OK != ret)
727 DeleteCredList(cred);
733 static bool UpdatePersistentStorage(const OicSecCred_t *cred)
737 // Convert Cred data into JSON for update to persistent storage
740 uint8_t *payload = NULL;
743 OCStackResult res = CredToCBORPayload(cred, &payload, &size, secureFlag);
744 if ((OC_STACK_OK == res) && payload)
746 if (OC_STACK_OK == UpdateSecureResourceInPS(OIC_JSON_CRED_NAME, payload, size))
753 else //Empty cred list
755 if (OC_STACK_OK == UpdateSecureResourceInPS(OIC_JSON_CRED_NAME, NULL, 0))
764 * Compare function used LL_SORT for sorting credentials.
766 * @param first pointer to OicSecCred_t struct.
767 * @param second pointer to OicSecCred_t struct.
769 *@return -1, if credId of first is less than credId of second.
770 * 0, if credId of first is equal to credId of second.
771 * 1, if credId of first is greater than credId of second.
773 static int CmpCredId(const OicSecCred_t * first, const OicSecCred_t *second)
775 if (first->credId < second->credId)
779 else if (first->credId > second->credId)
788 * GetCredId goes through the cred list and returns the next
789 * available credId. The next credId could be the credId that is
790 * available due deletion of OicSecCred_t object or one more than
791 * credId of last credential in the list.
793 * @return next available credId if successful, else 0 for error.
795 static uint16_t GetCredId()
797 //Sorts credential list in incremental order of credId
798 LL_SORT(gCred, CmpCredId);
800 OicSecCred_t *currentCred = NULL, *credTmp = NULL;
801 uint16_t nextCredId = 1;
803 LL_FOREACH_SAFE(gCred, currentCred, credTmp)
805 if (currentCred->credId == nextCredId)
815 VERIFY_SUCCESS(TAG, nextCredId < UINT16_MAX, ERROR);
823 * Get the default value.
825 * @return NULL for now.
827 static OicSecCred_t* GetCredDefault()
829 // TODO:Update it when we finalize the default info.
833 OCStackResult AddCredential(OicSecCred_t * newCred)
835 OCStackResult ret = OC_STACK_ERROR;
836 VERIFY_SUCCESS(TAG, NULL != newCred, ERROR);
838 //Assigning credId to the newCred
839 newCred->credId = GetCredId();
840 VERIFY_SUCCESS(TAG, newCred->credId != 0, ERROR);
842 //Append the new Cred to existing list
843 LL_APPEND(gCred, newCred);
845 if (UpdatePersistentStorage(gCred))
854 OCStackResult RemoveCredential(const OicUuid_t *subject)
856 OCStackResult ret = OC_STACK_ERROR;
857 OicSecCred_t *cred = NULL;
858 OicSecCred_t *tempCred = NULL;
859 bool deleteFlag = false;
861 LL_FOREACH_SAFE(gCred, cred, tempCred)
863 if (memcmp(cred->subject.id, subject->id, sizeof(subject->id)) == 0)
865 LL_DELETE(gCred, cred);
873 if (UpdatePersistentStorage(gCred))
875 ret = OC_STACK_RESOURCE_DELETED;
883 * Remove all credential data on credential resource and persistent storage
886 * OC_STACK_OK - no errors
887 * OC_STACK_ERROR - stack process error
889 OCStackResult RemoveAllCredentials(void)
891 DeleteCredList(gCred);
892 gCred = GetCredDefault();
894 if (!UpdatePersistentStorage(gCred))
896 return OC_STACK_ERROR;
903 * Internal function to fill private data of owner PSK.
905 * @param receviedCred recevied owner credential from OBT(PT)
906 * @param ownerAdd address of OBT(PT)
907 * @param doxm current device's doxm resource
910 * true successfully done and valid ower psk information
911 * false Invalid owner psk information or failed to owner psk generation
913 static bool FillPrivateDataOfOwnerPSK(OicSecCred_t* receviedCred, const CAEndpoint_t* ownerAddr,
914 const OicSecDoxm_t* doxm)
916 //Derive OwnerPSK locally
917 const char* oxmLabel = GetOxmString(doxm->oxmSel);
918 VERIFY_NON_NULL(TAG, oxmLabel, ERROR);
920 uint8_t ownerPSK[OWNER_PSK_LENGTH_128] = {0};
921 CAResult_t pskRet = CAGenerateOwnerPSK(ownerAddr,
922 (uint8_t*)oxmLabel, strlen(oxmLabel),
923 doxm->owner.id, sizeof(doxm->owner.id),
924 doxm->deviceID.id, sizeof(doxm->deviceID.id),
925 ownerPSK, OWNER_PSK_LENGTH_128);
926 VERIFY_SUCCESS(TAG, pskRet == CA_STATUS_OK, ERROR);
928 OIC_LOG(DEBUG, TAG, "OwnerPSK dump :");
929 OIC_LOG_BUFFER(DEBUG, TAG, ownerPSK, OWNER_PSK_LENGTH_128);
931 //Generate owner credential based on recevied credential information
933 // TODO: Added as workaround, will be replaced soon.
934 if(OIC_ENCODING_RAW == receviedCred->privateData.encoding)
936 receviedCred->privateData.data = (uint8_t *)OICCalloc(1, OWNER_PSK_LENGTH_128);
937 VERIFY_NON_NULL(TAG, receviedCred->privateData.data, ERROR);
938 receviedCred->privateData.len = OWNER_PSK_LENGTH_128;
939 memcpy(receviedCred->privateData.data, ownerPSK, OWNER_PSK_LENGTH_128);
941 else if(OIC_ENCODING_BASE64 == receviedCred->privateData.encoding)
943 uint32_t b64OutSize = 0;
944 size_t b64BufSize = B64ENCODE_OUT_SAFESIZE((OWNER_PSK_LENGTH_128 + 1));
945 char* b64Buf = OICCalloc(1, b64BufSize);
946 VERIFY_NON_NULL(TAG, b64Buf, ERROR);
948 b64Encode(ownerPSK, OWNER_PSK_LENGTH_128, b64Buf, b64BufSize, &b64OutSize);
950 receviedCred->privateData.data = (uint8_t *)OICCalloc(1, b64OutSize + 1);
951 VERIFY_NON_NULL(TAG, receviedCred->privateData.data, ERROR);
952 receviedCred->privateData.len = b64OutSize;
953 strcpy((char*)receviedCred->privateData.data, b64Buf);
958 VERIFY_SUCCESS(TAG, OIC_ENCODING_UNKNOW, ERROR);
961 OIC_LOG(INFO, TAG, "PrivateData of OwnerPSK was calculated successfully");
963 //Verify OwnerPSK information
964 return (memcmp(&(receviedCred->subject), &(doxm->owner), sizeof(OicUuid_t)) == 0 &&
965 receviedCred->credType == SYMMETRIC_PAIR_WISE_KEY);
967 //receviedCred->privateData.data will be deallocated when deleting credential.
971 #endif //__WITH_DTLS__
973 static OCEntityHandlerResult HandlePutRequest(const OCEntityHandlerRequest * ehRequest)
975 OCEntityHandlerResult ret = OC_EH_ERROR;
976 OIC_LOG(DEBUG, TAG, "HandleCREDPutRequest IN");
978 //Get binary representation of cbor
979 OicSecCred_t *cred = NULL;
980 uint8_t *payload = (((OCSecurityPayload*)ehRequest->payload)->securityData);
981 size_t size = (((OCSecurityPayload*)ehRequest->payload)->payloadSize);
983 OCStackResult res = CBORPayloadToCred(payload, size, &cred);
984 if (res == OC_STACK_OK)
987 OicUuid_t emptyUuid = {.id={0}};
988 const OicSecDoxm_t* doxm = GetDoxmResourceData();
989 if(false == doxm->owned && memcmp(&(doxm->owner), &emptyUuid, sizeof(OicUuid_t)) != 0)
991 //in case of owner PSK
992 switch(cred->credType)
994 case SYMMETRIC_PAIR_WISE_KEY:
996 OCServerRequest *request = (OCServerRequest *)ehRequest->requestHandle;
997 if(FillPrivateDataOfOwnerPSK(cred, (CAEndpoint_t *)&request->devAddr, doxm))
999 if(OC_STACK_RESOURCE_DELETED == RemoveCredential(&cred->subject))
1001 OIC_LOG(WARNING, TAG, "The credential with the same subject ID was detected!");
1004 OIC_LOG(ERROR, TAG, "OwnerPSK was generated successfully.");
1005 if(OC_STACK_OK == AddCredential(cred))
1007 ret = OC_EH_RESOURCE_CREATED;
1011 OIC_LOG(ERROR, TAG, "Failed to save the OwnerPSK as cred resource");
1017 OIC_LOG(ERROR, TAG, "Failed to verify receviced OwnerPKS.");
1021 if(OC_EH_RESOURCE_CREATED == ret)
1024 * in case of random PIN based OxM,
1025 * revert get_psk_info callback of tinyDTLS to use owner credential.
1027 if(OIC_RANDOM_DEVICE_PIN == doxm->oxmSel)
1029 OicUuid_t emptyUuid = { .id={0}};
1030 SetUuidForRandomPinOxm(&emptyUuid);
1032 if(CA_STATUS_OK != CARegisterDTLSCredentialsHandler(GetDtlsPskCredentials))
1034 OIC_LOG(ERROR, TAG, "Failed to revert DTLS credential handler.");
1040 //Select cipher suite to use owner PSK
1041 if(CA_STATUS_OK != CAEnableAnonECDHCipherSuite(false))
1043 OIC_LOG(ERROR, TAG, "Failed to disable anonymous cipher suite");
1048 OIC_LOG(INFO, TAG, "Anonymous cipher suite is DISABLED");
1052 CASelectCipherSuite(TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA_256))
1054 OIC_LOG(ERROR, TAG, "Failed to select cipher suite");
1061 case SYMMETRIC_GROUP_KEY:
1062 case ASYMMETRIC_KEY:
1063 case SIGNED_ASYMMETRIC_KEY:
1065 case ASYMMETRIC_ENCRYPTION_KEY:
1067 OIC_LOG(WARNING, TAG, "Unsupported credential type for owner credential.");
1073 OIC_LOG(WARNING, TAG, "Unknow credential type for owner credential.");
1079 if(OC_EH_RESOURCE_CREATED != ret)
1082 * If some error is occured while ownership transfer,
1083 * ownership transfer related resource should be revert back to initial status.
1085 RestoreDoxmToInitState();
1086 RestorePstatToInitState();
1092 * If the post request credential has credId, it will be
1093 * discarded and the next available credId will be assigned
1094 * to it before getting appended to the existing credential
1095 * list and updating svr database.
1097 ret = (OC_STACK_OK == AddCredential(cred))? OC_EH_RESOURCE_CREATED : OC_EH_ERROR;
1099 #else //not __WITH_DTLS__
1101 * If the post request credential has credId, it will be
1102 * discarded and the next available credId will be assigned
1103 * to it before getting appended to the existing credential
1104 * list and updating svr database.
1106 ret = (OC_STACK_OK == AddCredential(cred))? OC_EH_RESOURCE_CREATED : OC_EH_ERROR;
1107 #endif//__WITH_DTLS__
1110 if (OC_EH_RESOURCE_CREATED != ret)
1112 if(OC_STACK_OK != RemoveCredential(&cred->subject))
1114 OIC_LOG(WARNING, TAG, "Failed to remove the invalid credential");
1118 OIC_LOG(DEBUG, TAG, "HandleCREDPutRequest OUT");
1123 * The entity handler determines how to process a GET request.
1125 static OCEntityHandlerResult HandleGetRequest (const OCEntityHandlerRequest * ehRequest)
1127 OIC_LOG(INFO, TAG, "HandleGetRequest processing GET request");
1129 // Convert Cred data into CBOR for transmission
1131 uint8_t *payload = NULL;
1134 const OicSecCred_t *cred = gCred;
1135 OCStackResult res = CredToCBORPayload(cred, &payload, &size, secureFlag);
1137 // A device should always have a default cred. Therefore, payload should never be NULL.
1138 OCEntityHandlerResult ehRet = (res == OC_STACK_OK) ? OC_EH_OK : OC_EH_ERROR;
1140 // Send response payload to request originator
1141 if (OC_STACK_OK != SendSRMResponse(ehRequest, ehRet, payload, size))
1143 ehRet = OC_EH_ERROR;
1144 OIC_LOG(ERROR, TAG, "SendSRMResponse failed in HandlePstatGetRequest");
1150 static OCEntityHandlerResult HandlePostRequest(const OCEntityHandlerRequest * ehRequest)
1152 OCEntityHandlerResult ret = OC_EH_ERROR;
1154 //Get binary representation of CBOR
1155 OicSecCred_t *cred = NULL;
1156 uint8_t *payload = ((OCSecurityPayload*)ehRequest->payload)->securityData;
1157 size_t size = ((OCSecurityPayload*)ehRequest->payload)->payloadSize;
1158 OCStackResult res = CBORPayloadToCred(payload, size, &cred);
1159 if ((OC_STACK_OK == res) && cred)
1161 //If the Post request credential has credId, it will be
1162 //discarded and the next available credId will be assigned
1163 //to it before getting appended to the existing credential
1164 //list and updating svr database.
1165 ret = (OC_STACK_OK == AddCredential(cred))? OC_EH_RESOURCE_CREATED : OC_EH_ERROR;
1171 static OCEntityHandlerResult HandleDeleteRequest(const OCEntityHandlerRequest *ehRequest)
1173 OIC_LOG(DEBUG, TAG, "Processing CredDeleteRequest");
1175 OCEntityHandlerResult ehRet = OC_EH_ERROR;
1177 if (NULL == ehRequest->query)
1182 OicParseQueryIter_t parseIter = { .attrPos=NULL };
1183 OicUuid_t subject = {.id={0}};
1185 //Parsing REST query to get the subject
1186 ParseQueryIterInit((unsigned char *)ehRequest->query, &parseIter);
1187 while (GetNextQuery(&parseIter))
1189 if (strncasecmp((char *)parseIter.attrPos, OIC_JSON_SUBJECTID_NAME,
1190 parseIter.attrLen) == 0)
1192 OCStackResult ret = ConvertStrToUuid((const char*)parseIter.valPos, &subject);
1193 VERIFY_SUCCESS(TAG, OC_STACK_OK == ret, ERROR);
1197 if (OC_STACK_RESOURCE_DELETED == RemoveCredential(&subject))
1199 ehRet = OC_EH_RESOURCE_DELETED;
1206 OCEntityHandlerResult CredEntityHandler(OCEntityHandlerFlag flag,
1207 OCEntityHandlerRequest * ehRequest,
1208 void* callbackParameter)
1210 (void)callbackParameter;
1211 OCEntityHandlerResult ret = OC_EH_ERROR;
1217 if (flag & OC_REQUEST_FLAG)
1219 OIC_LOG (DEBUG, TAG, "Flag includes OC_REQUEST_FLAG");
1220 //TODO : Handle PUT/DEL methods
1221 switch (ehRequest->method)
1224 ret = HandleGetRequest(ehRequest);;
1227 ret = HandlePutRequest(ehRequest);
1230 ret = HandlePostRequest(ehRequest);
1232 case OC_REST_DELETE:
1233 ret = HandleDeleteRequest(ehRequest);
1241 //Send payload to request originator
1242 ret = (SendSRMResponse(ehRequest, ret, NULL, 0) == OC_STACK_OK) ?
1248 OCStackResult CreateCredResource()
1250 OCStackResult ret = OCCreateResource(&gCredHandle,
1251 OIC_RSRC_TYPE_SEC_CRED,
1258 if (OC_STACK_OK != ret)
1260 OIC_LOG (FATAL, TAG, "Unable to instantiate Cred resource");
1261 DeInitCredResource();
1266 OCStackResult InitCredResource()
1268 OCStackResult ret = OC_STACK_ERROR;
1270 //Read Cred resource from PS
1271 uint8_t *data = NULL;
1273 ret = GetSecureVirtualDatabaseFromPS(OIC_JSON_CRED_NAME, &data, &size);
1274 // If database read failed
1275 if (ret != OC_STACK_OK)
1277 OIC_LOG (DEBUG, TAG, "ReadSVDataFromPS failed");
1281 // Read ACL resource from PS
1282 ret = CBORPayloadToCred(data, size, &gCred);
1286 * If SVR database in persistent storage got corrupted or
1287 * is not available for some reason, a default Cred is created
1288 * which allows user to initiate Cred provisioning again.
1290 if (ret != OC_STACK_OK || !data || !gCred)
1292 gCred = GetCredDefault();
1294 //Instantiate 'oic.sec.cred'
1295 ret = CreateCredResource();
1300 OCStackResult DeInitCredResource()
1302 OCStackResult result = OCDeleteResource(gCredHandle);
1303 DeleteCredList(gCred);
1308 const OicSecCred_t* GetCredResourceData(const OicUuid_t* subject)
1310 OicSecCred_t *cred = NULL;
1312 if ( NULL == subject)
1317 LL_FOREACH(gCred, cred)
1319 if(memcmp(cred->subject.id, subject->id, sizeof(subject->id)) == 0)
1328 #if defined(__WITH_DTLS__)
1329 int32_t GetDtlsPskCredentials(CADtlsPskCredType_t type,
1330 const uint8_t *desc, size_t desc_len,
1331 uint8_t *result, size_t result_length)
1342 case CA_DTLS_PSK_HINT:
1343 case CA_DTLS_PSK_IDENTITY:
1345 OicUuid_t deviceID = {.id={}};
1346 // Retrieve Device ID from doxm resource
1347 if ( OC_STACK_OK != GetDoxmDeviceID(&deviceID) )
1349 OIC_LOG (ERROR, TAG, "Unable to retrieve doxm Device ID");
1353 if (result_length < sizeof(deviceID.id))
1355 OIC_LOG (ERROR, TAG, "Wrong value for result_length");
1358 memcpy(result, deviceID.id, sizeof(deviceID.id));
1359 return (sizeof(deviceID.id));
1363 case CA_DTLS_PSK_KEY:
1365 OicSecCred_t *cred = NULL;
1366 LL_FOREACH(gCred, cred)
1368 if (cred->credType != SYMMETRIC_PAIR_WISE_KEY)
1373 if ((desc_len == sizeof(cred->subject.id)) &&
1374 (memcmp(desc, cred->subject.id, sizeof(cred->subject.id)) == 0))
1377 * If the credentials are valid for limited time,
1378 * check their expiry.
1382 if(IOTVTICAL_VALID_ACCESS != IsRequestWithinValidTime(cred->period, NULL))
1384 OIC_LOG (INFO, TAG, "Credentials are expired.");
1391 // TODO: Added as workaround. Will be replaced soon.
1392 if(OIC_ENCODING_RAW == cred->privateData.encoding)
1394 result_length = cred->privateData.len;
1395 memcpy(result, cred->privateData.data, result_length);
1397 else if(OIC_ENCODING_BASE64 == cred->privateData.encoding)
1399 size_t outBufSize = B64DECODE_OUT_SAFESIZE((cred->privateData.len + 1));
1400 uint8_t* outKey = OICCalloc(1, outBufSize);
1401 uint32_t outKeySize;
1405 OIC_LOG (ERROR, TAG, "Failed to memoray allocation.");
1408 if(B64_OK == b64Decode((char*)cred->privateData.data, cred->privateData.len, outKey, outBufSize, &outKeySize))
1410 memcpy(result, outKey, outKeySize);
1411 result_length = outKeySize;
1416 OIC_LOG (ERROR, TAG, "Failed to base64 decoding.");
1422 return result_length;
1430 OIC_LOG (ERROR, TAG, "Wrong value passed for CADtlsPskCredType_t.");
1440 * Add temporal PSK to PIN based OxM
1442 * @param[in] tmpSubject UUID of target device
1443 * @param[in] credType Type of credential to be added
1444 * @param[in] pin numeric characters
1445 * @param[in] pinSize length of 'pin'
1446 * @param[in] rownerID Resource owner's UUID
1447 * @param[out] tmpCredSubject Generated credential's subject.
1449 * @return OC_STACK_OK for success and errorcode otherwise.
1451 OCStackResult AddTmpPskWithPIN(const OicUuid_t* tmpSubject, OicSecCredType_t credType,
1452 const char * pin, size_t pinSize,
1453 const OicUuid_t * rownerID, OicUuid_t* tmpCredSubject)
1455 OCStackResult ret = OC_STACK_ERROR;
1456 OIC_LOG(DEBUG, TAG, "AddTmpPskWithPIN IN");
1458 if(NULL == tmpSubject || NULL == pin || 0 == pinSize || NULL == tmpCredSubject)
1460 return OC_STACK_INVALID_PARAM;
1463 uint8_t privData[OWNER_PSK_LENGTH_128] = {0,};
1464 OicSecKey_t privKey = {privData, OWNER_PSK_LENGTH_128, OIC_ENCODING_RAW};
1465 OicSecCred_t* cred = NULL;
1466 int dtlsRes = DeriveCryptoKeyFromPassword((const unsigned char *)pin, pinSize, rownerID->id,
1467 UUID_LENGTH, PBKDF_ITERATIONS,
1468 OWNER_PSK_LENGTH_128, privData);
1469 VERIFY_SUCCESS(TAG, (0 == dtlsRes) , ERROR);
1471 cred = GenerateCredential(tmpSubject, credType, NULL,
1472 &privKey, rownerID);
1475 OIC_LOG(ERROR, TAG, "GeneratePskWithPIN() : Failed to generate credential");
1476 return OC_STACK_ERROR;
1479 memcpy(tmpCredSubject->id, cred->subject.id, UUID_LENGTH);
1481 ret = AddCredential(cred);
1482 if( OC_STACK_OK != ret)
1484 RemoveCredential(tmpSubject);
1485 OIC_LOG(ERROR, TAG, "GeneratePskWithPIN() : Failed to add credential");
1487 OIC_LOG(DEBUG, TAG, "AddTmpPskWithPIN OUT");
1493 #endif /* __WITH_DTLS__ */
1494 #ifdef __WITH_X509__
1495 #define CERT_LEN_PREFIX (3)
1496 #define BYTE_SIZE (8) //bits
1497 #define PUB_KEY_X_COORD ("x")
1498 #define PUB_KEY_Y_COORD ("y")
1499 #define CERTIFICATE ("x5c")
1500 #define PRIVATE_KEY ("d")
1502 static uint32_t parseCertPrefix(uint8_t *prefix)
1507 for (int i = 0; i < CERT_LEN_PREFIX; ++i)
1509 res |= (((uint32_t) prefix[i]) << ((CERT_LEN_PREFIX - 1 -i) * BYTE_SIZE));
1515 static OCStackResult GetCAPublicKeyData(CADtlsX509Creds_t *credInfo)
1517 OCStackResult ret = OC_STACK_ERROR;
1518 uint8_t *ccPtr = credInfo->certificateChain;
1519 for (uint8_t i = 0; i < credInfo->chainLen - 1; ++i)
1521 ccPtr += CERT_LEN_PREFIX + parseCertPrefix(ccPtr);
1524 ByteArray cert = { .data = ccPtr + CERT_LEN_PREFIX, .len = parseCertPrefix(ccPtr) };
1525 CertificateX509 certStruct;
1527 VERIFY_SUCCESS(TAG, PKI_SUCCESS == DecodeCertificate(cert, &certStruct), ERROR);
1529 INC_BYTE_ARRAY(certStruct.pubKey, 2);
1531 memcpy(credInfo->rootPublicKeyX, certStruct.pubKey.data, PUBLIC_KEY_SIZE / 2);
1532 memcpy(credInfo->rootPublicKeyY, certStruct.pubKey.data + PUBLIC_KEY_SIZE / 2, PUBLIC_KEY_SIZE / 2);
1539 int GetDtlsX509Credentials(CADtlsX509Creds_t *credInfo)
1542 VERIFY_NON_NULL(TAG, credInfo, ERROR);
1545 VERIFY_SUCCESS(TAG, OC_STACK_OK == InitCredResource(), ERROR);
1548 OicSecCred_t *cred = NULL;
1549 LL_SEARCH_SCALAR(gCred, cred, credType, SIGNED_ASYMMETRIC_KEY);
1550 VERIFY_NON_NULL(TAG, cred, ERROR);
1552 if (cred->publicData.len > MAX_CERT_MESSAGE_LEN || cred->privateData.len > PRIVATE_KEY_SIZE)
1556 credInfo->chainLen = 2;
1557 memcpy(credInfo->certificateChain, cred->publicData.data, cred->publicData.len);
1558 memcpy(credInfo->devicePrivateKey, cred->privateData.data, cred->privateData.len);
1559 credInfo->certificateChainLen = cred->publicData.len;
1560 GetCAPublicKeyData(credInfo);
1567 #undef CERT_LEN_PREFIX
1568 #endif /* __WITH_X509__ */
1570 OCStackResult SetCredRownerId(const OicUuid_t* newROwner)
1572 OCStackResult ret = OC_STACK_ERROR;
1573 uint8_t *cborPayload = NULL;
1576 OicUuid_t prevId = {.id={0}};
1578 if(NULL == newROwner)
1580 ret = OC_STACK_INVALID_PARAM;
1584 ret = OC_STACK_NO_RESOURCE;
1587 if(newROwner && gCred)
1589 memcpy(prevId.id, gCred->rownerID.id, sizeof(prevId.id));
1590 memcpy(gCred->rownerID.id, newROwner->id, sizeof(newROwner->id));
1592 ret = CredToCBORPayload(gCred, &cborPayload, &size, secureFlag);
1593 VERIFY_SUCCESS(TAG, OC_STACK_OK == ret, ERROR);
1595 ret = UpdateSecureResourceInPS(OIC_JSON_CRED_NAME, cborPayload, size);
1596 VERIFY_SUCCESS(TAG, OC_STACK_OK == ret, ERROR);
1598 OICFree(cborPayload);
1604 OICFree(cborPayload);
1605 memcpy(gCred->rownerID.id, prevId.id, sizeof(prevId.id));
1609 OCStackResult GetCredRownerId(OicUuid_t *rowneruuid)
1611 OCStackResult retVal = OC_STACK_ERROR;
1614 *rowneruuid = gCred->rownerID;
1615 retVal = OC_STACK_OK;