php 的rsa加密与解密

        $source='abcde';        $pkeyid=file_get_contents(DIR_BASE.'/rsa_key/rsa_public_key.pem', 'r');        $res = openssl_get_publickey($pkeyid);        openssl_public_encrypt($source,$crypttext,$res);        echo $crypttext;        $pkeyid=file_get_contents(DIR_BASE.'/rsa_key/rsa_private_key.pem', 'r');        $res2 = openssl_get_privatekey($pkeyid);        if(openssl_private_decrypt($crypttext,$data,$res2)){            echo $data;        }else{            echo "false";        }

$source='abcde';        $pkeyid=file_get_contents(DIR_BASE.'/rsa_key/rsa_private_key.pem', 'r');        $res = openssl_get_privatekey($pkeyid);        openssl_private_encrypt($source,$crypttext,$res);        echo $crypttext;        $pkeyid=file_get_contents(DIR_BASE.'/rsa_key/rsa_public_key.pem', 'r');        $res2 = openssl_get_publickey($pkeyid);        if(openssl_public_decrypt($crypttext,$data,$res2)){            echo $data;        }else{            echo "false";        }