openssl_x509_check_private_key

(PHP 4 >= 4.2.0, PHP 5)

openssl_x509_check_private_key — Checks if a private key corresponds to a certificate

bool openssl_x509_check_private_key ( mixed $cert , mixed $key )

Checks whether the given key is the private key that corresponds to cert.

Returns TRUE if key is the private key that corresponds to cert, or FALSE otherwise.

PHP手册 - N: Checks if a private key corresponds to a certificate

chris dot kistner at gmail dot com (07-Jan-2011 10:35)

Please note that this function only compares the public key component of the private key with the public key residing in the certificate.