Example
Dependencies: FXAS21002 FXOS8700Q
simple-mbed-cloud-client/mbed-cloud-client/source/CertificateParser.c
- Committer:
- maygup01
- Date:
- 2019-11-19
- Revision:
- 0:11cc2b7889af
File content as of revision 0:11cc2b7889af:
// ---------------------------------------------------------------------------- // Copyright 2016-2017 ARM Ltd. // // SPDX-License-Identifier: Apache-2.0 // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. // ---------------------------------------------------------------------------- #include <stdint.h> #include "pal.h" #include "mbed-trace/mbed_trace.h" #define TRACE_GROUP "mClt" bool extract_field_from_certificate(const uint8_t* cer, size_t cer_len, const char *field, char* value) { #if 1 // TODO : Uncomment once PAL has feature to extract "L" from certificate tr_debug("extract_field_from_certificate"); palX509Attr_t attr = PAL_X509_L_ATTR; if (strcmp(field,"CN") == 0) { attr = PAL_X509_CN_ATTR; } else if (strcmp(field,"L") == 0) { attr = PAL_X509_L_ATTR; } else { return false; } palX509Handle_t cert = 0; size_t len = 0; palStatus_t ret = pal_x509Initiate(&cert); if (ret != PAL_SUCCESS) { tr_error("extract_field_from_certificate - cert init failed: %d", (int)ret); pal_x509Free(&cert); return false; } ret = pal_x509CertParse(cert, cer, cer_len); if (ret != PAL_SUCCESS) { tr_error("extract_field_from_certificate - cert parse failed: %d", (int)ret); pal_x509Free(&cert); return false; } ret = pal_x509CertGetAttribute(cert, attr, value, 64, &len); if (ret != PAL_SUCCESS) { tr_error("extract_field_from_certificate - cert attr get failed: %d", (int)ret); pal_x509Free(&cert); return false; } pal_x509Free(&cert); return true; #else return false; #endif }