openssl_x509_check_private_key
(PHP 4 >= 4.2.0)
openssl_x509_check_private_key -- Checks if a private key corresponds to a certificateDescription
bool openssl_x509_check_private_key ( mixed cert, mixed key)openssl_x509_check_private_key() returns TRUE if key is the private key that corresponds to cert, or FALSE otherwise.