Extracting SubjectKeyId and AuthorityKeyId in case of x509 V3 extensions. Updating mbedtls_x509_crt_free function to also free the new dynamic elements (issuer field of AuthorityKeyId).
A few tests are also added which test the feature with a correct certificate and multiple ones with erroneous ASN1 tags.
Signed-off-by: toth92g <toth92g@gmail.com>
diff --git a/include/mbedtls/x509_crt.h b/include/mbedtls/x509_crt.h
index 6c86a66..672cdf5 100644
--- a/include/mbedtls/x509_crt.h
+++ b/include/mbedtls/x509_crt.h
@@ -76,6 +76,8 @@
mbedtls_x509_buf subject_id; /**< Optional X.509 v2/v3 subject unique identifier. */
mbedtls_x509_buf v3_ext; /**< Optional X.509 v3 extensions. */
mbedtls_x509_sequence subject_alt_names; /**< Optional list of raw entries of Subject Alternative Names extension (currently only dNSName, uniformResourceIdentifier, DirectoryName and OtherName are listed). */
+ mbedtls_x509_buf subject_key_id; /**< Optional X.509 v3 extension subject key identifier. */
+ mbedtls_x509_authority authority_key_id; /**< Optional X.509 v3 extension authority key identifier. */
mbedtls_x509_sequence certificate_policies; /**< Optional list of certificate policies (Only anyPolicy is printed and enforced, however the rest of the policies are still listed). */