openssl_x509_verify
PHP 7 >= 7.4.0, PHP 8
openssl_x509_verify - Verifies digital signature of x509 certificate against a public key
Manual
openssl_x509_verify(
OpenSSLCertificate|string$certificate,
OpenSSLAsymmetricKey|OpenSSLCertificate|array|string$public_key
): int
OpenSSLCertificate|string$certificate,
OpenSSLAsymmetricKey|OpenSSLCertificate|array|string$public_key
): int
openssl_x509_verify verifies that the certificate certificate was signed by the private key corresponding to public key public_key.
Parameters
- x509
-
See Key/Certificate parameters for a list of valid values.
- public_key
-
OpenSSLAsymmetricKey - a key, returned by openssl_get_publickey
string - a PEM formatted key, example, "-----BEGIN PUBLIC KEY----- MIIBCgK..."
Return Values
Returns 1 if the signature is correct, 0 if it is incorrect, and -1 on error.
Changelog
| Version | Description |
| 8.0.0 | certificate accepts an OpenSSLCertificate instance now; previously, a resource of type OpenSSL X.509 was accepted. |
| 8.0.0 | public_key accepts an OpenSSLAsymmetricKey or OpenSSLCertificate instance now; previously, a resource of type OpenSSL key or OpenSSL X.509 was accepted. |