Renaming x509_get_subject_alt_name to x509_get_general_names and mbedtls_x509_parse_subject_alt_name to mbedtls_x509_parse_general_name so they can be used not only to collect subject alt name, but the V3 authority cert issuer that is also GeneralName type.
Also updated the x509_get_general_names function to be able to parse rfc822Names

Test are also updated according these changes.

Signed-off-by: toth92g <toth92g@gmail.com>
diff --git a/tests/suites/test_suite_x509parse.function b/tests/suites/test_suite_x509parse.function
index 487a62c..57bbc59 100644
--- a/tests/suites/test_suite_x509parse.function
+++ b/tests/suites/test_suite_x509parse.function
@@ -434,7 +434,7 @@
         cur = &crt.subject_alt_names;
         while( cur != NULL )
         {
-            ret = mbedtls_x509_parse_subject_alt_name( &cur->buf, &san );
+            ret = mbedtls_x509_parse_general_name( &cur->buf, &san );
             TEST_ASSERT( ret == 0 || ret == MBEDTLS_ERR_X509_FEATURE_UNAVAILABLE );
             /*
              * If san type not supported, ignore.
@@ -1447,18 +1447,19 @@
         TEST_ASSERT( crt.authority_key_id.keyIdentifier.len == keyIdLength );
 
         /* Issuer test */
-        mbedtls_x509_name* issuerPtr = &crt.authority_key_id.authorityCertIssuer;
+        mbedtls_x509_sequence* issuerPtr = &crt.authority_key_id.authorityCertIssuer;
         while ( issuerPtr != NULL )
         {
-            for ( issuerCounter = 0u; issuerCounter < issuerPtr->val.len; issuerCounter++ )
+            /* First 9 bytes are always ASN1 coding related information that does not matter right now. Only the values are asserted */
+            for ( issuerCounter = 9u; issuerCounter < issuerPtr->buf.len; issuerCounter++ )
             {
-                result |= ( authorityKeyId_issuer[bufferCounter++] != issuerPtr->val.p[issuerCounter] );
+                result |= ( authorityKeyId_issuer[bufferCounter++] != issuerPtr->buf.p[issuerCounter] );
             }
             bufferCounter++; /* Skipping the slash */
             issuerPtr = issuerPtr->next;
         }
         TEST_ASSERT( result == 0 );
-        
+
         /* Serial test */
         TEST_ASSERT( crt.authority_key_id.authorityCertSerialNumber.tag == MBEDTLS_ASN1_OCTET_STRING );
         TEST_ASSERT( crt.authority_key_id.authorityCertSerialNumber.len == serialLength );