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.h b/include/mbedtls/x509.h
index 8dfd1f3..5a9f2b5 100644
--- a/include/mbedtls/x509.h
+++ b/include/mbedtls/x509.h
@@ -243,6 +243,17 @@
*/
typedef mbedtls_asn1_sequence mbedtls_x509_sequence;
+/*
+ * Container for the fields of the Authority Key Identifier object
+ */
+typedef struct mbedtls_x509_authority {
+ mbedtls_x509_buf keyIdentifier;
+ mbedtls_x509_name authorityCertIssuer;
+ mbedtls_x509_buf authorityCertSerialNumber;
+ mbedtls_x509_buf raw;
+}
+mbedtls_x509_authority;
+
/** Container for date and time (precision in seconds). */
typedef struct mbedtls_x509_time {
int year, mon, day; /**< Date. */
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). */