数字签名与PHP的XML文件 [英] digitally sign XML file with PHP

问题描述

我需要注册一个XML文件与RSA私钥和我的C＃应用​​程序进行验证。当我签我的C＃应用​​程序的XML，这是最后的输出：

I need to sign a XML file with a private RSA key to be verified with my C# application. When I sign the xml with my C# application, this is the final output:

<Signature xmlns="http://www.w3.org/2000/09/xmldsig#">
  <SignedInfo>
    <CanonicalizationMethod Algorithm="http://www.w3.org/TR/2001/REC-xml-c14n-20010315" />
    <SignatureMethod Algorithm="http://www.w3.org/2000/09/xmldsig#rsa-sha1" />
    <Reference URI="">
      <Transforms>
        <Transform Algorithm="http://www.w3.org/2000/09/xmldsig#enveloped-signature" />
      </Transforms>
      <DigestMethod Algorithm="http://www.w3.org/2000/09/xmldsig#sha1" />
      <DigestValue>VIRRzqwb20aCSXrRTX1Y5vW//IA=</DigestValue>
    </Reference>
  </SignedInfo>
  <SignatureValue>mS3JQ/KmyXCayLly4hHRXKM51jPy230B3h4ngjzOhq0xR/7BRDQP2wfp7ugVcL5kMWaV+pBHbJgdvvu8OrzyxCUQ+R7RYqWpEBYJHUARov0Pws7oFybFpmzRnwhg2gPaPEzcVpK4VL4G1iM07XgmoSKM8Id0fRQ1lD+4BEcAxNY=</SignatureValue>
</Signature>

签名在C＃中：

Signing in C#:

public static void SignXmlDocument(RSA key, XmlDocument doc)
{
    var sxml = new SignedXml(doc);
    sxml.SigningKey = key;
    sxml.SignedInfo.CanonicalizationMethod = SignedXml.XmlDsigCanonicalizationUrl;
    var r = new Reference("");
    r.AddTransform(new XmlDsigEnvelopedSignatureTransform(false));
    sxml.AddReference(r);
    sxml.ComputeSignature();
    var sig = sxml.GetXml();
    doc.DocumentElement.AppendChild(sig);
}

我如何可以在PHP中的一样吗？

How can I make the same in PHP?

推荐答案

您可以使用 XMLDSIG

安装库和磁带自动加载机注册的路径。如果您使用作曲家两个步骤都是自动的。

Install the library and register the paths in your autoloader. If you use composer both steps are automatic.

require_once __DIR__ . '/vendor/autoload.php';

$xmlDocument = new DOMDocument();
$xmlDocument..... // define the contents to sign

$xmlTool = new FR3D\XmlDSig\Adapter\XmlseclibsAdapter();
$xmlTool->setPrivateKey(file_get_contents('<path to your private key>/private.pem');
$xmlTool->addTransform(FR3D\XmlDSig\Adapter\XmlseclibsAdapter::ENVELOPED);

$xmlTool->sign($xmlDocument);

现在 $ XMLDOCUMENT 的<签名方式>结尾元素

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