如何解决PKI环境中复杂的ASN.1编解码问题，genkgo/php-asn1助你轻松搞定

genkgo/php-asn1

genkgo/php-asn1

genkgo/php-asn1

<pre class="brush:php;toolbar:false;">composer require genkgo/php-asn1

genkgo/php-asn1

<pre class="brush:php;toolbar:false;"><?php

require 'vendor/autoload.php';

use FG\ASN1\OID;
use FG\ASN1\Universal\Integer;
use FG\ASN1\Universal\Boolean;
use FG\ASN1\Universal\IA5String;
use FG\ASN1\Universal\ObjectIdentifier;
use FG\ASN1\Universal\Sequence;
use FG\ASN1\Universal\Set;
use FG\ASN1\Universal\NullObject;

// 构建一个简单的ASN.1序列
$integer = new Integer(12345);        
$boolean = new Boolean(true);
$ia5String = new IA5String('Hello ASN.1');
$objectIdentifier = new ObjectIdentifier(OID::RSA_ENCRYPTION); // 使用预定义的OID

$sequence = new Sequence(
    $integer, 
    $boolean, 
    $ia5String,
    $objectIdentifier
);

// 将ASN.1结构编码为二进制数据（DER编码）
$binaryData = $sequence->getBinary();

echo "编码后的Base64数据:\n" . base64_encode($binaryData) . "\n";

?>

Integer

Boolean

IA5String

ObjectIdentifier

Sequence

ASNObject::fromBinary()

<pre class="brush:php;toolbar:false;"><?php

require 'vendor/autoload.php';

use FG\ASN1\ASNObject;

// 假设这是我们从文件或网络接收到的Base64编码的ASN.1数据
$base64String = 'MBUwEwQFMTAwEwIBARIISGVsbG8gQVNOMRswGQYJKoZIhvcNAQkBAQU='; 
$binaryData = base64_decode($base64String);        

// 解码二进制数据为ASN.1对象树
$asnObject = ASNObject::fromBinary($binaryData);

// 遍历并打印解码后的结构
echo "解码后的ASN.1结构:\n";
foreach ($asnObject as $child) {
    echo "  - Type: " . $child->getType() . ", Value: " . $child->getContent() . "\n";
}

?>

ASNObject::fromBinary()

TemplateParser

genkgo/php-asn1