PHP ʖ²ἯTH º󍋼/A openssl_verify Description ¾¯¸漯B Returns 1 if the signature is correct, 0 if it is incorrect, and -1 on error. =ד 1. openssl_verify() example // $data and $signature are assumed to contain the data and the signature // fetch public key from certificate and ready it $fp = fopen("/src/openssl-0.9.6/demos/sign/cert.pem", "r"); $cert = fread($fp, 8192); fclose($fp); $pubkeyid = openssl_get_publickey($cert); // state whether signature is okay or not $ok = openssl_verify($data, $signature, $pubkeyid); if ($ok == 1) echo "good"; elseif ($ok == 0) echo "bad"; else echo "ugly, error checking signature"; // free the key from memory openssl_free_key($pubkeyid); See also openssl_sign(). º󍋼/A ưµ㼯A openssl_sign ɏһ¼¶ openssl_x509_check_private_key