diff --git a/tests/suites/test_suite_x509parse.data b/tests/suites/test_suite_x509parse.data
index e2cb85e..cd6e4c8 100644
--- a/tests/suites/test_suite_x509parse.data
+++ b/tests/suites/test_suite_x509parse.data
@@ -1218,21 +1218,89 @@
 depends_on:MBEDTLS_RSA_C:MBEDTLS_SHA256_C
 x509parse_crt:"308198308182a0030201028204deadbeef300d06092a864886f70d01010b0500300e310c300806000c04546573743000301c170c303930313031303030303030170c303931323331323335393539300c310a30080600130454657374302a300d06092A864886F70D010101050003190030160210ffffffffffffffffffffffffffffffff0202ffff300d06092a864886f70d01010b0500030200ff":"":MBEDTLS_ERR_X509_INVALID_NAME + MBEDTLS_ERR_ASN1_OUT_OF_DATA
 
-X509 Certificate ASN1 (TBSCertificate, valid issuer, no validity)
+X509 Certificate ASN1 (TBSCertificate, Validity missing)
 depends_on:MBEDTLS_RSA_C:MBEDTLS_SHA256_C
-x509parse_crt:"302a3028a0030201028204deadbeef300d06092a864886f70d01010b0500300c310a30080600130454657374":"":MBEDTLS_ERR_X509_INVALID_DATE + MBEDTLS_ERR_ASN1_OUT_OF_DATA
+x509parse_crt:"303d3028a0030201028204deadbeef300d06092a864886f70d01010b0500300c310a300806000c0454657374300d06092a864886f70d01010b0500030200ff":"":MBEDTLS_ERR_X509_INVALID_DATE + MBEDTLS_ERR_ASN1_OUT_OF_DATA
 
-X509 Certificate ASN1 (TBSCertificate, too much date data)
+X509 Certificate ASN1 (TBSCertificate, invalid Validity, invalid tag)
 depends_on:MBEDTLS_RSA_C:MBEDTLS_SHA256_C
-x509parse_crt:"30493047a0030201028204deadbeef300d06092a864886f70d01010b0500300c310a30080600130454657374301d170c303930313031303030303030170c30393132333132333539353900":"":MBEDTLS_ERR_X509_INVALID_DATE + MBEDTLS_ERR_ASN1_LENGTH_MISMATCH
+x509parse_crt:"303e3029a0030201028204deadbeef300d06092a864886f70d01010b0500300c310a300806000c045465737400300d06092a864886f70d01010b0500030200ff":"":MBEDTLS_ERR_X509_INVALID_DATE + MBEDTLS_ERR_ASN1_UNEXPECTED_TAG
 
-X509 Certificate ASN1 (TBSCertificate, invalid from date)
+X509 Certificate ASN1 (TBSCertificate, invalid Validity, length field missing)
 depends_on:MBEDTLS_RSA_C:MBEDTLS_SHA256_C
-x509parse_crt:"30483046a0030201028204deadbeef300d06092a864886f70d01010b0500300c310a30080600130454657374301c170c303930313031303000000000170c303931323331323300000000":"":MBEDTLS_ERR_X509_INVALID_DATE
+x509parse_crt:"303e3029a0030201028204deadbeef300d06092a864886f70d01010b0500300c310a300806000c045465737430300d06092a864886f70d01010b0500030200ff":"":MBEDTLS_ERR_X509_INVALID_DATE + MBEDTLS_ERR_ASN1_OUT_OF_DATA
 
-X509 Certificate ASN1 (TBSCertificate, invalid to date)
+X509 Certificate ASN1 (TBSCertificate, invalid Validity, invalid length encoding)
 depends_on:MBEDTLS_RSA_C:MBEDTLS_SHA256_C
-x509parse_crt:"30483046a0030201028204deadbeef300d06092a864886f70d01010b0500300c310a30080600130454657374301c170c303930313031303030303030170c303931323331323300000000":"":MBEDTLS_ERR_X509_INVALID_DATE
+x509parse_crt:"303f302aa0030201028204deadbeef300d06092a864886f70d01010b0500300c310a300806000c04546573743085300d06092a864886f70d01010b0500030200ff":"":MBEDTLS_ERR_X509_INVALID_DATE + MBEDTLS_ERR_ASN1_INVALID_LENGTH
+
+X509 Certificate ASN1 (TBSCertificate, invalid Validity, length out of bounds)
+depends_on:MBEDTLS_RSA_C:MBEDTLS_SHA256_C
+x509parse_crt:"303f302aa0030201028204deadbeef300d06092a864886f70d01010b0500300c310a300806000c04546573743001300d06092a864886f70d01010b0500030200ff":"":MBEDTLS_ERR_X509_INVALID_DATE + MBEDTLS_ERR_ASN1_OUT_OF_DATA
+
+X509 Certificate ASN1 (TBSCertificate, invalid Validity, notBefore missing)
+depends_on:MBEDTLS_RSA_C:MBEDTLS_SHA256_C
+x509parse_crt:"30793064a0030201028204deadbeef300d06092a864886f70d01010b0500300c310a300806000c04546573743000300c310a30080600130454657374302a300d06092A864886F70D010101050003190030160210ffffffffffffffffffffffffffffffff0202ffff300d06092a864886f70d01010b0500030200ff":"":MBEDTLS_ERR_X509_INVALID_DATE + MBEDTLS_ERR_ASN1_OUT_OF_DATA
+
+X509 Certificate ASN1 (TBSCertificate, invalid Validity, notBefore invalid tag)
+depends_on:MBEDTLS_RSA_C:MBEDTLS_SHA256_C
+x509parse_crt:"307a3065a0030201028204deadbeef300d06092a864886f70d01010b0500300c310a300806000c0454657374300100300c310a30080600130454657374302a300d06092a864886f70d010101050003190030160210ffffffffffffffffffffffffffffffff0202ffff300d06092a864886f70d01010b0500030200ff":"":MBEDTLS_ERR_X509_INVALID_DATE + MBEDTLS_ERR_ASN1_UNEXPECTED_TAG
+
+X509 Certificate ASN1 (TBSCertificate, invalid Validity, notBefore no length)
+depends_on:MBEDTLS_RSA_C:MBEDTLS_SHA256_C
+x509parse_crt:"307a3065a0030201028204deadbeef300d06092a864886f70d01010b0500300c310a300806000c0454657374300117300c310a30080600130454657374302a300d06092A864886F70D010101050003190030160210ffffffffffffffffffffffffffffffff0202ffff300d06092a864886f70d01010b0500030200ff":"":MBEDTLS_ERR_X509_INVALID_DATE + MBEDTLS_ERR_ASN1_OUT_OF_DATA
+
+X509 Certificate ASN1 (TBSCertificate, invalid Validity, notBefore invalid length encoding)
+depends_on:MBEDTLS_RSA_C:MBEDTLS_SHA256_C
+x509parse_crt:"307b3066a0030201028204deadbeef300d06092a864886f70d01010b0500300c310a300806000c04546573743002178f300c310a30080600130454657374302a300d06092A864886F70D010101050003190030160210ffffffffffffffffffffffffffffffff0202ffff300d06092a864886f70d01010b0500030200ff":"":MBEDTLS_ERR_X509_INVALID_DATE + MBEDTLS_ERR_ASN1_INVALID_LENGTH
+
+X509 Certificate ASN1 (TBSCertificate, invalid Validity, notBefore length out of bounds)
+depends_on:MBEDTLS_RSA_C:MBEDTLS_SHA256_C
+x509parse_crt:"307b3066a0030201028204deadbeef300d06092a864886f70d01010b0500300c310a300806000c045465737430021701300c310a30080600130454657374302a300d06092A864886F70D010101050003190030160210ffffffffffffffffffffffffffffffff0202ffff300d06092a864886f70d01010b0500030200ff":"":MBEDTLS_ERR_X509_INVALID_DATE + MBEDTLS_ERR_ASN1_OUT_OF_DATA
+
+X509 Certificate ASN1 (TBSCertificate, invalid Validity, notBefore length out of bounds)
+depends_on:MBEDTLS_RSA_C:MBEDTLS_SHA256_C
+x509parse_crt:"307b3066a0030201028204deadbeef300d06092a864886f70d01010b0500300c310a300806000c045465737430021701300c310a30080600130454657374302a300d06092A864886F70D010101050003190030160210ffffffffffffffffffffffffffffffff0202ffff300d06092a864886f70d01010b0500030200ff":"":MBEDTLS_ERR_X509_INVALID_DATE + MBEDTLS_ERR_ASN1_OUT_OF_DATA
+
+X509 Certificate ASN1 (TBSCertificate, invalid Validity, notBefore empty)
+depends_on:MBEDTLS_RSA_C:MBEDTLS_SHA256_C
+x509parse_crt:"3081893074a0030201008204deadbeef300d06092a864886f70d01010b0500300c310a3008060013045465737430101700170c303931323331323335393539300c310a30080600130454657374302a300d06092A864886F70D010101050003190030160210ffffffffffffffffffffffffffffffff0202ffff300d06092a864886f70d01010b0500030200ff":"":MBEDTLS_ERR_X509_INVALID_DATE
+
+X509 Certificate ASN1 (TBSCertificate, invalid Validity, notBefore invalid)
+depends_on:MBEDTLS_RSA_C:MBEDTLS_SHA256_C
+x509parse_crt:"308196308180a0030201008204deadbeef300d06092a864886f70d01010b0500300c310a30080600130454657374301c170c303930313031303000000000170c303931323331323335393539300c310a30080600130454657374302a300d06092A864886F70D010101050003190030160210ffffffffffffffffffffffffffffffff0202ffff300d06092a864886f70d01010b0500030200ff":"":MBEDTLS_ERR_X509_INVALID_DATE
+
+X509 Certificate ASN1 (TBSCertificate, invalid Validity, notAfter missing)
+depends_on:MBEDTLS_RSA_C:MBEDTLS_SHA256_C
+x509parse_crt:"3081873072a0030201008204deadbeef300d06092a864886f70d01010b0500300c310a30080600130454657374300e170c303931323331323335393539300c310a30080600130454657374302a300d06092A864886F70D010101050003190030160210ffffffffffffffffffffffffffffffff0202ffff300d06092a864886f70d01010b0500030200ff":"":MBEDTLS_ERR_X509_INVALID_DATE + MBEDTLS_ERR_ASN1_OUT_OF_DATA
+
+X509 Certificate ASN1 (TBSCertificate, invalid Validity, notAfter invalid tag)
+depends_on:MBEDTLS_RSA_C:MBEDTLS_SHA256_C
+x509parse_crt:"3081883073a0030201008204deadbeef300d06092a864886f70d01010b0500300c310a30080600130454657374300f170c30393132333132333539353900300c310a30080600130454657374302a300d06092a864886f70d010101050003190030160210ffffffffffffffffffffffffffffffff0202ffff300d06092a864886f70d01010b0500030200ff":"":MBEDTLS_ERR_X509_INVALID_DATE + MBEDTLS_ERR_ASN1_UNEXPECTED_TAG
+
+X509 Certificate ASN1 (TBSCertificate, invalid Validity, notAfter length missing)
+depends_on:MBEDTLS_RSA_C:MBEDTLS_SHA256_C
+x509parse_crt:"3081883073a0030201008204deadbeef300d06092a864886f70d01010b0500300c310a30080600130454657374300f170c30393132333132333539353917300c310a30080600130454657374302a300d06092A864886F70D010101050003190030160210ffffffffffffffffffffffffffffffff0202ffff300d06092a864886f70d01010b0500030200ff":"":MBEDTLS_ERR_X509_INVALID_DATE + MBEDTLS_ERR_ASN1_OUT_OF_DATA
+
+X509 Certificate ASN1 (TBSCertificate, invalid Validity, notAfter invalid length encoding)
+depends_on:MBEDTLS_RSA_C:MBEDTLS_SHA256_C
+x509parse_crt:"3081893074a0030201008204deadbeef300d06092a864886f70d01010b0500300c310a300806001304546573743010170c3039313233313233353935391785300c310a30080600130454657374302a300d06092A864886F70D010101050003190030160210ffffffffffffffffffffffffffffffff0202ffff300d06092a864886f70d01010b0500030200ff":"":MBEDTLS_ERR_X509_INVALID_DATE + MBEDTLS_ERR_ASN1_INVALID_LENGTH
+
+X509 Certificate ASN1 (TBSCertificate, invalid Validity, notAfter length out of bounds)
+depends_on:MBEDTLS_RSA_C:MBEDTLS_SHA256_C
+x509parse_crt:"3081893074a0030201008204deadbeef300d06092a864886f70d01010b0500300c310a300806001304546573743010170c3039313233313233353935391701300c310a30080600130454657374302a300d06092A864886F70D010101050003190030160210ffffffffffffffffffffffffffffffff0202ffff300d06092a864886f70d01010b0500030200ff":"":MBEDTLS_ERR_X509_INVALID_DATE + MBEDTLS_ERR_ASN1_OUT_OF_DATA
+
+X509 Certificate ASN1 (TBSCertificate, invalid Validity, notAfter empty)
+depends_on:MBEDTLS_RSA_C:MBEDTLS_SHA256_C
+x509parse_crt:"3081893074a0030201008204deadbeef300d06092a864886f70d01010b0500300c310a300806001304546573743010170c3039313233313233353935391700300c310a30080600130454657374302a300d06092A864886F70D010101050003190030160210ffffffffffffffffffffffffffffffff0202ffff300d06092a864886f70d01010b0500030200ff":"":MBEDTLS_ERR_X509_INVALID_DATE
+
+X509 Certificate ASN1 (TBSCertificate, invalid Validity, notAfter invalid)
+depends_on:MBEDTLS_RSA_C:MBEDTLS_SHA256_C
+x509parse_crt:"308196308180a0030201008204deadbeef300d06092a864886f70d01010b0500300c310a30080600130454657374301c170c303931323331323335393539170c303930313031303000000000300c310a30080600130454657374302a300d06092A864886F70D010101050003190030160210ffffffffffffffffffffffffffffffff0202ffff300d06092a864886f70d01010b0500030200ff":"":MBEDTLS_ERR_X509_INVALID_DATE
+
+X509 Certificate ASN1 (TBSCertificate, invalid Validity, notAfter data remaining)
+depends_on:MBEDTLS_RSA_C:MBEDTLS_SHA256_C
+x509parse_crt:"308198308182a0030201008204deadbeef300d06092a864886f70d01010b0500300c310a30080600130454657374301e170c303930313031303030303030170c3039313233313233353935391700300c310a30080600130454657374302a300d06092A864886F70D010101050003190030160210ffffffffffffffffffffffffffffffff0202ffff300d06092a864886f70d01010b0500030200ff":"":MBEDTLS_ERR_X509_INVALID_DATE + MBEDTLS_ERR_ASN1_LENGTH_MISMATCH
 
 X509 Certificate ASN1 (TBSCertificate, valid validity, no subject)
 depends_on:MBEDTLS_RSA_C:MBEDTLS_SHA256_C