diff --git a/tests/suites/test_suite_x509write.data b/tests/suites/test_suite_x509write.data
index 1aca30673..137b38b9b 100644
--- a/tests/suites/test_suite_x509write.data
+++ b/tests/suites/test_suite_x509write.data
@@ -212,14 +212,17 @@ mbedtls_x509_string_to_names:"C=NL, 2.5.4.10=#0C084F6666737061726B, OU=PolarSSL"
 X509 String to Names (hexstring: trailing garbage after DER is ignored)
 mbedtls_x509_string_to_names:"C=NL, 2.5.4.10=#0C084F6666737061726Baa, OU=PolarSSL":"C=NL, O=Offspark, OU=PolarSSL":0:0
 
-X509 String to Names: long hexstring (DER=256 bytes, too long)
-mbedtls_x509_string_to_names:"C=NL, 2.5.4.10=#0C81fdaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa, OU=PolarSSL":"C=NL, O=Offspark, OU=PolarSSL":0:MAY_FAIL_DN_GETS
+X509 String to Names: long hexstring (DER=256 bytes)
+mbedtls_x509_string_to_names:"C=NL, 2.5.4.10=#0C81fd41414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141, OU=PolarSSL":"C=NL, O=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA, OU=PolarSSL":0:0
 
-X509 String to Names: long hexstring (DER=257 bytes, too long)
-mbedtls_x509_string_to_names:"C=NL, 2.5.4.10=#0C81feaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa, OU=PolarSSL":"C=NL, O=Offspark, OU=PolarSSL":MBEDTLS_ERR_X509_INVALID_NAME:0
+X509 String to Names: long hexstring (DER=257 bytes)
+mbedtls_x509_string_to_names:"C=NL, 2.5.4.10=#0C81fe4141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141, OU=PolarSSL":"C=NL, O=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA, OU=PolarSSL":MBEDTLS_ERR_X509_INVALID_NAME:0
 
-X509 String to Names: long hexstring (DER=258 bytes, too long)
-mbedtls_x509_string_to_names:"C=NL, 2.5.4.10=#0C81ffaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa, OU=PolarSSL":"C=NL, O=Offspark, OU=PolarSSL":MBEDTLS_ERR_X509_INVALID_NAME:0
+X509 String to Names: long hexstring (payload=256 bytes)
+mbedtls_x509_string_to_names:"C=NL, 2.5.4.10=#0C82010041414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141, OU=PolarSSL":"C=NL, O=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA, OU=PolarSSL":MBEDTLS_ERR_X509_INVALID_NAME:0
+
+X509 String to Names: long hexstring (payload=257 bytes)
+mbedtls_x509_string_to_names:"C=NL, 2.5.4.10=#0C820101aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa, OU=PolarSSL":"C=NL, O=Offspark, OU=PolarSSL":MBEDTLS_ERR_X509_INVALID_NAME:0
 
 X509 String to Names #15 (Odd length DER hexstring)
 mbedtls_x509_string_to_names:"C=NL, 2.5.4.10=#0C084F6666737061726, OU=PolarSSL":"":MBEDTLS_ERR_X509_INVALID_NAME:0
@@ -245,11 +248,11 @@ mbedtls_x509_string_to_names:"C=NL, 10.5.4.10=#0C084F6666737061726B, OU=PolarSSL
 X509 String to Names #18 (short name and hexstring)
 mbedtls_x509_string_to_names:"C=NL, O=#0C084F6666737061726B, OU=PolarSSL":"C=NL, O=Offspark, OU=PolarSSL":0:0
 
-X509 String to Names #18 (null byte in hexstring with string type)
+X509 String to Names (null byte in hexstring with string type)
 mbedtls_x509_string_to_names:"C=NL, O=#0C0100, OU=PolarSSL":"C=NL, O=Offspark, OU=PolarSSL":MBEDTLS_ERR_X509_INVALID_NAME:0
 
-X509 String to Names #18 (null byte in hexstring with non-string type)
-mbedtls_x509_string_to_names:"C=NL, O=#040100, OU=PolarSSL":"C=NL, O=Offspark, OU=PolarSSL":0:MAY_FAIL_GET_NAME
+X509 String to Names (null byte in hexstring with non-string type)
+mbedtls_x509_string_to_names:"C=NL, O=#040100, OU=PolarSSL":"C=NL, O=\\x00, OU=PolarSSL":0:MAY_FAIL_GET_NAME
 
 X509 String to Names #19 (Accept non-ascii hexpairs)
 mbedtls_x509_string_to_names:"C=NL, O=Of\\CCspark, OU=PolarSSL":"C=NL, O=Of\\CCspark, OU=PolarSSL":0:0