diff --git a/tests/suites/test_suite_x509parse.data b/tests/suites/test_suite_x509parse.data
index 846937465b..8b0f886d34 100644
--- a/tests/suites/test_suite_x509parse.data
+++ b/tests/suites/test_suite_x509parse.data
@@ -2894,36 +2894,36 @@ x509_accessor_ext_types:MBEDTLS_X509_EXT_KEY_USAGE:MBEDTLS_X509_EXT_SUBJECT_ALT_
 
 X509 CRT parse Subject Key Id - Correct
 depends_on:MBEDTLS_FS_IO:MBEDTLS_X509_CRT_PARSE_C:MBEDTLS_CERTS_C:MBEDTLS_SHA1_C:MBEDTLS_RSA_C
-mbedtls_x509_crt_parse_subjectkeyid:"data_files/authorityKeyId_subjectKeyId.crt":"B45AE4A5B3DED252F6B9D5A6950FEB3EBCC7FDFF":20:0
+mbedtls_x509_crt_parse_subjectkeyid:"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":"B45AE4A5B3DED252F6B9D5A6950FEB3EBCC7FDFF":20:0
 
-X509 CRT parse Subject Key Id - Wrong
+X509 CRT parse Subject Key Id - Wrong OCTET_STRING tag
 depends_on:MBEDTLS_FS_IO:MBEDTLS_X509_CRT_PARSE_C:MBEDTLS_CERTS_C:MBEDTLS_SHA1_C:MBEDTLS_RSA_C
-mbedtls_x509_crt_parse_subjectkeyid:"data_files/authorityKeyId_subjectKeyId_wrong_SubjectKeyId.crt":"":0:MBEDTLS_ERR_ASN1_UNEXPECTED_TAG
+mbedtls_x509_crt_parse_subjectkeyid:"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":"":0:MBEDTLS_ERR_ASN1_UNEXPECTED_TAG
 
 X509 CRT parse Authority Key Id - Correct
 depends_on:MBEDTLS_FS_IO:MBEDTLS_X509_CRT_PARSE_C:MBEDTLS_CERTS_C:MBEDTLS_SHA1_C:MBEDTLS_RSA_C
-mbedtls_x509_crt_parse_authoritykeyid:"data_files/authorityKeyId_subjectKeyId.crt":"B45AE4A5B3DED252F6B9D5A6950FEB3EBCC7FDFF":20:"NL/PolarSSL/PolarSSL Test CA/":"0":1:0
+mbedtls_x509_crt_parse_authoritykeyid:"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":"B45AE4A5B3DED252F6B9D5A6950FEB3EBCC7FDFF":20:"NL/PolarSSL/PolarSSL Test CA/":"0":1:0
 
 X509 CRT parse Authority Key Id - Wrong Sequence
 depends_on:MBEDTLS_FS_IO:MBEDTLS_X509_CRT_PARSE_C:MBEDTLS_CERTS_C:MBEDTLS_SHA1_C:MBEDTLS_RSA_C
-mbedtls_x509_crt_parse_authoritykeyid:"data_files/authorityKeyId_subjectKeyId_wrong_AuthorityKeyId_Sequence.crt":"":0:"":"0":0:MBEDTLS_ERR_ASN1_UNEXPECTED_TAG
+mbedtls_x509_crt_parse_authoritykeyid:"308203873082026fa003020102020100300d06092a864886f70d0101050500303b310b3009060355040613024e4c3111300f060355040a1308506f6c617253534c3119301706035504031310506f6c617253534c2054657374204341301e170d3131303231323134343430305a170d3231303231323134343430305a303b310b3009060355040613024e4c3111300f060355040a1308506f6c617253534c3119301706035504031310506f6c617253534c205465737420434130820122300d06092a864886f70d01010105000382010f003082010a0282010100c0df37fc17bbe0969d3f86de96327d44a516a0cd21f199d4eceacb7c18580894a5ec9bc58bdf1a1e993899871e7bc08d39df385d707807d39ed993e8b97251c5cea33052a9f2e7407014cb44a2720bc2e540f93ee5a60eb3f9ec4a63c0b82900749c573ba8a5049071f1bd83d93fd6a5e23c2a8fef2760c3c69fcbbaec607db7e68432be4ffb582622035bd4b4d5fbf5e3962e70c0e42ebdfc2eeee24155c0342e7d247269cb47b11440837d67f486f631abf179a4b2b52e12f98417f0626f273e1358b1540d219a7337a130cf6f92dcf6e9fcacdb2e28d17e024b23a015f238656409ea0c6e8e1b17a071c8b39bc9abe9c3f2cf87968f8002329e99586fa2d50203010001a38195308192300c0603551d13040530030101ff301d0603551d0e04160414b45ae4a5b3ded252f6b9d5a6950feb3ebcc7fdff30630603551d23045c005a8014b45ae4a5b3ded252f6b9d5a6950feb3ebcc7fdffa13fa43d303b310b3009060355040613024e4c3111300f060355040a1308506f6c617253534c3119301706035504031310506f6c617253534c2054657374204341820100300d06092a864886f70d01010505000382010100b8fd54d80054908b25b027dd95cda2f784071d87894ac47811d807b5d722508e48eb627a3289be634753ffb6bef12e8c54c0993fa0b93723725f0d46598fd847cd974c9f070c1262093a24e436d9e92cda38d0737561d7c16c268b9be0d5dc67ed8c6b33d774223c4cdbb58d2ace2c0d0859050905a6399fb3671be283e5e18f53f66793c7f96f76445812e83ad497e7e9c03ea87a723d87531fe52c8484e79a9e7f66d91f9bf51348b04d14d1deb224d9787df535cc5819d1d299ef4d73f81f89d45ad052ce09f5b146516a008e3bcc6f63010099ed9da60860cd3218d073e05871d9e5d253d78dd0cae95d2a0a0d5d55ec21501716e6064acd5edef7e0e954":"":0:"":"0":0:MBEDTLS_ERR_ASN1_UNEXPECTED_TAG
 
 X509 CRT parse Authority Key Id - Wrong KeyId Tag
 depends_on:MBEDTLS_FS_IO:MBEDTLS_X509_CRT_PARSE_C:MBEDTLS_CERTS_C:MBEDTLS_SHA1_C:MBEDTLS_RSA_C
-mbedtls_x509_crt_parse_authoritykeyid:"data_files/authorityKeyId_subjectKeyId_wrong_AuthorityKeyId_KeyId.crt":"":0:"":"0":0:MBEDTLS_ERR_ASN1_UNEXPECTED_TAG
+mbedtls_x509_crt_parse_authoritykeyid:"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":"":0:"":"0":0:MBEDTLS_ERR_ASN1_UNEXPECTED_TAG
 
 X509 CRT parse Authority Key Id - Wrong Issuer Tag 1
 depends_on:MBEDTLS_FS_IO:MBEDTLS_X509_CRT_PARSE_C:MBEDTLS_CERTS_C:MBEDTLS_SHA1_C:MBEDTLS_RSA_C
-mbedtls_x509_crt_parse_authoritykeyid:"data_files/authorityKeyId_subjectKeyId_wrong_Issuer1.crt":"":0:"":"0":0:MBEDTLS_ERR_ASN1_UNEXPECTED_TAG
+mbedtls_x509_crt_parse_authoritykeyid:"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":"":0:"":"0":0:MBEDTLS_ERR_ASN1_UNEXPECTED_TAG
 
 X509 CRT parse Authority Key Id - Wrong Issuer Tag 2
 depends_on:MBEDTLS_FS_IO:MBEDTLS_X509_CRT_PARSE_C:MBEDTLS_CERTS_C:MBEDTLS_SHA1_C:MBEDTLS_RSA_C
-mbedtls_x509_crt_parse_authoritykeyid:"data_files/authorityKeyId_subjectKeyId_wrong_Issuer2.crt":"":0:"":"0":0:MBEDTLS_ERR_ASN1_UNEXPECTED_TAG
+mbedtls_x509_crt_parse_authoritykeyid:"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":"":0:"":"0":0:MBEDTLS_ERR_ASN1_UNEXPECTED_TAG
 
 X509 CRT parse Authority Key Id - Wrong Issuer Tag 3
 depends_on:MBEDTLS_FS_IO:MBEDTLS_X509_CRT_PARSE_C:MBEDTLS_CERTS_C:MBEDTLS_SHA1_C:MBEDTLS_RSA_C
-mbedtls_x509_crt_parse_authoritykeyid:"data_files/authorityKeyId_subjectKeyId_wrong_Issuer3.crt":"":0:"":"0":0:MBEDTLS_ERR_ASN1_UNEXPECTED_TAG
+mbedtls_x509_crt_parse_authoritykeyid:"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":"":0:"":"0":0:MBEDTLS_ERR_ASN1_UNEXPECTED_TAG
 
 X509 CRT parse Authority Key Id - Wrong Issuer Tag 4
 depends_on:MBEDTLS_FS_IO:MBEDTLS_X509_CRT_PARSE_C:MBEDTLS_CERTS_C:MBEDTLS_SHA1_C:MBEDTLS_RSA_C
-mbedtls_x509_crt_parse_authoritykeyid:"data_files/authorityKeyId_subjectKeyId_wrong_Issuer4.crt":"":0:"":"0":0:MBEDTLS_ERR_ASN1_UNEXPECTED_TAG + MBEDTLS_ERR_X509_INVALID_NAME
+mbedtls_x509_crt_parse_authoritykeyid:"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":"":0:"":"0":0:MBEDTLS_ERR_ASN1_UNEXPECTED_TAG + MBEDTLS_ERR_X509_INVALID_NAME
diff --git a/tests/suites/test_suite_x509parse.function b/tests/suites/test_suite_x509parse.function
index 3a56adf0fa..ad2b0012c0 100644
--- a/tests/suites/test_suite_x509parse.function
+++ b/tests/suites/test_suite_x509parse.function
@@ -1404,26 +1404,17 @@ exit:
 /* END_CASE */
 
 /* BEGIN_CASE depends_on:MBEDTLS_FS_IO:MBEDTLS_X509_CRT_PARSE_C:MBEDTLS_CERTS_C:MBEDTLS_SHA1_C:MBEDTLS_RSA_C */
-void mbedtls_x509_crt_parse_subjectkeyid( char * crt_path, char *subjectKeyId, int subjectKeyIdLength, int retVal )
+void mbedtls_x509_crt_parse_subjectkeyid( data_t * buf, char *subjectKeyId, int subjectKeyIdLength, int retVal )
 {
     mbedtls_x509_crt crt;
-    int i = 0;
-    int result = 0;
 
     mbedtls_x509_crt_init( &crt );
 
-    TEST_ASSERT( mbedtls_x509_crt_parse_file( &crt, crt_path ) == retVal );
+    TEST_ASSERT( mbedtls_x509_crt_parse_der( &crt, buf->x, buf->len ) == retVal );
 
     if( retVal != 0 )
     {
-        while( i < subjectKeyIdLength )
-        {
-            result |= crt.subject_key_id.p[i] != subjectKeyId[i*2];
-            result |= crt.subject_key_id.p[i+1] != subjectKeyId[i*2+1];
-            i++;
-        }
-
-        TEST_ASSERT( result == 0 );
+        ASSERT_COMPARE( crt.subject_key_id.p, ( int )crt.subject_key_id.len, subjectKeyId, subjectKeyIdLength );
     }
 
 exit:
@@ -1432,27 +1423,21 @@ exit:
 /* END_CASE */
 
 /* BEGIN_CASE depends_on:MBEDTLS_FS_IO:MBEDTLS_X509_CRT_PARSE_C:MBEDTLS_CERTS_C:MBEDTLS_SHA1_C:MBEDTLS_RSA_C */
-void mbedtls_x509_crt_parse_authoritykeyid( char * crt_path, char *authorityKeyId_keyId, int keyIdLength, char *authorityKeyId_issuer, char *authorityKeyId_serial, int serialLength , int retVal)
+void mbedtls_x509_crt_parse_authoritykeyid( data_t * buf, char *authorityKeyId_keyId, int keyIdLength, char *authorityKeyId_issuer, char *authorityKeyId_serial, int serialLength , int retVal)
 {
     mbedtls_x509_crt crt;
-    int i = 0;
     int result = 0;
     int bufferCounter = 0;
     size_t issuerCounter = 0;
 
     mbedtls_x509_crt_init( &crt );
 
-    TEST_ASSERT( mbedtls_x509_crt_parse_file( &crt, crt_path ) == retVal );
+    TEST_ASSERT( mbedtls_x509_crt_parse_der( &crt, buf->x, buf->len ) == retVal );
 
     if ( retVal != 0 )
     {
         /* KeyId test */
-        while( i < keyIdLength )
-        {
-            result |= crt.authority_key_id.keyIdentifier.p[i] != authorityKeyId_keyId[i*2];
-            result |= crt.authority_key_id.keyIdentifier.p[i+1] != authorityKeyId_keyId[i*2+1];
-            i++;
-        }
+        ASSERT_COMPARE( crt.authority_key_id.keyIdentifier.p, ( int )crt.authority_key_id.keyIdentifier.len, authorityKeyId_keyId, keyIdLength );
 
         /* Issuer test */
         mbedtls_x509_name* issuerPtr = &crt.authority_key_id.authorityCertIssuer;
@@ -1467,13 +1452,7 @@ void mbedtls_x509_crt_parse_authoritykeyid( char * crt_path, char *authorityKeyI
         }
 
         /* Serial test */
-        i = 0;
-        while( i < serialLength )
-        {
-            result |= crt.authority_key_id.authorityCertSerialNumber.p[i] != authorityKeyId_serial[i*2];
-            result |= crt.authority_key_id.authorityCertSerialNumber.p[i+1] != authorityKeyId_serial[i*2+1];
-            i++;
-        }
+        ASSERT_COMPARE( crt.authority_key_id.authorityCertSerialNumber.p, ( int )crt.authority_key_id.authorityCertSerialNumber.len, authorityKeyId_serial, serialLength );
 
         TEST_ASSERT( result == 0 );
     }