=item B<X509_V_ERR_CRL_SIGNATURE_FAILURE: CRL signature failure>
-The signature of the certificate is invalid.
+The signature of the CRL is invalid.
=item B<X509_V_ERR_CERT_NOT_YET_VALID: certificate is not yet valid>
The current candidate issuer certificate was rejected because its subject key
identifier was present and did not match the authority key identifier current
certificate.
-Not used as of OpenSSL 1.1.0.
=item B<X509_V_ERR_AKID_ISSUER_SERIAL_MISMATCH:
authority and issuer serial number mismatch>
The current candidate issuer certificate was rejected because its issuer name
and serial number was present and did not match the authority key identifier of
the current certificate.
-Not used as of OpenSSL 1.1.0.
=item B<X509_V_ERR_KEYUSAGE_NO_CERTSIGN:
key usage does not include certificate signing>
The current candidate issuer certificate was rejected because its C<keyUsage>
extension does not permit certificate signing.
-Not used as of OpenSSL 1.1.0.
=item B<X509_V_ERR_INVALID_EXTENSION:
invalid or inconsistent certificate extension>
Returned by the verify callback to indicate that the certificate is not
recognized by the OCSP responder.
-=item B<509_V_ERROR_NO_ISSUER_PUBLI_KEY, issuer certificate doesn't have a public key>
+=item B<X509_V_ERR_NO_ISSUER_PUBLIC_KEY: issuer certificate doesn't have a public key>
The issuer certificate does not have a public key.
-=item B<X509_V_ERROR_SIGNATURE_ALGORITHM_MISMATCH, Subject signature algorithm and issuer public key algorithm mismatch>
+=item B<X509_V_ERR_SIGNATURE_ALGORITHM_MISMATCH: subject signature algorithm and issuer public key algorithm mismatch>
The issuer's public key is not of the type required by the signature in
the subject's certificate.