xmlsec无法验证签名

Question

我试图用xmlsec1实用程序验证XML(附在问题的底部)签名.但是,在执行命令时

xmlsec1 --verify test.xml

我正在跟踪堆栈跟踪:

func = xmlSecXPathDataExecute:file = xpath.c:line = 273:obj = unknown:subj = xmlXPtrEval:error = 5:libxml2库函数失败:expr = xpointer(id('uuid-73c06e86-88d2-4204-91f4-3d484bc782cc' ))func = xmlSecXPathDataListExecute:file = xpath.c:line = 373:obj = unknown:subj = xmlSecXPathDataExecute:error = 1:xmlsec库函数失败:func = xmlSecTransformXPathExecute:file = xpath.c:line = 483:obj = xpointer :subj = xmlSecXPathDataExecute:error = 1:xmlsec库函数失败:func = xmlSecTransformDefaultPushXml:file = transforms.c:line = 2411:obj = xpointer:subj = xmlSecTransformExecute:error = 1:xmlsec库函数失败:func = xmlSecTransformCtxXmlExecute:file = transforms.c:line = 1242:obj = unknown:subj = xmlSecTransformPushXml:error = 1:xmlsec库函数失败:transform = xpointer func = xmlSecTransformCtxExecute:file = transforms.c:line = 1302:obj = unknown:subj = xmlSecTransformCtxXmlExecute :error = 1:xmlsec库函数失败:func = xmlSecDSigReferenceCtxProcessNode:file = xmldsig.c:line = 1589:obj = unknown:subj = xmlSecTransformCtx 执行:error = 1:xmlsec库函数失败:func = xmlSecDSigCtxProcessSignedInfoNode:file = xmldsig.c:line = 822:obj = unknown:subj = xmlSecDSigReferenceCtxProcessNode:error = 1:xmlsec库函数失败:node =引用func = xmlSecDSigCtxProcessSignatureNode:file = xmldsig.c:line = 563:obj = unknown:subj = xmlSecDSigCtxProcessSignedInfoNode:error = 1:xmlsec库函数失败:func = xmlSecDSigCtxVerify:file = xmldsig.c:line = 382:obj = unknown:subj = xmlSecDSigCtxSignatureProcessNode:error = 1:xmlsec库函数失败:错误:签名失败ERROR SignedInfo引用(ok/all):0/1清单引用(ok/all):0/0错误:无法验证文件"test.xml"```

基于堆栈跟踪,我认为ID有问题.经过一番挖掘,我发现了执行

xmlsec1 --verify --id-attr:ID 
"urn:oasis:names:tc:SAML:2.0:protocol:Response" test.xml

产生以下堆栈跟踪

func = xmlSecOpenSSLEvpDigestVerify:file = digests.c:line = 249:obj = sha1:subj = unknown:error = 12:无效数据:数据和摘要不匹配FAIL SignedInfo引用(ok/all):0/1 Manifests References( ok/all):0/0错误:验证文件"test.xml"失败

这是test.xml文件的修剪内容:

<saml2p:Response xmlns:saml2p="urn:oasis:names:tc:SAML:2.0:protocol" Destination="http://localhost/login" ID="uuid-73c06e86-88d2-4204-91f4-3d484bc782cc" InResponseTo="_bbaf45ef713be7a8c8701e41118ec2278cbf32828f" IssueInstant="2016-02-29T14:16:31.142Z" Version="2.0">
    <saml2:Issuer xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion">idp-name</saml2:Issuer>
    <ds:Signature xmlns:ds="http://www.w3.org/2000/09/xmldsig#">
        <ds:SignedInfo>
            <ds:CanonicalizationMethod Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#" />
            <ds:SignatureMethod Algorithm="http://www.w3.org/2000/09/xmldsig#rsa-sha1" />
            <ds:Reference URI="#uuid-73c06e86-88d2-4204-91f4-3d484bc782cc">
                <ds:Transforms>
                    <ds:Transform Algorithm="http://www.w3.org/2000/09/xmldsig#enveloped-signature" />
                    <ds:Transform Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#" />
                </ds:Transforms>
                <ds:DigestMethod Algorithm="http://www.w3.org/2000/09/xmldsig#sha1" />
                <ds:DigestValue>H9ffPJ6/jq25p13BcziR0hNLkGg=</ds:DigestValue>
            </ds:Reference>
        </ds:SignedInfo>
        <ds:SignatureValue>FegjeG..pJEQ==</ds:SignatureValue>
        <ds:KeyInfo>
            <ds:X509Data>
                <ds:X509Certificate>MIIFIj..mV7A==</ds:X509Certificate>
            </ds:X509Data>
            <ds:X509Data>
                <ds:X509Certificate>MIIFDj..5uLcw=</ds:X509Certificate>
            </ds:X509Data>
            <ds:X509Data>
                <ds:X509Certificate>MIIE/z..3IDhA=</ds:X509Certificate>
            </ds:X509Data>
            <ds:X509Data>
                <ds:X509Certificate>MIIEkT..h5/WrQ8</ds:X509Certificate>
            </ds:X509Data>
        </ds:KeyInfo>
    </ds:Signature>
    <saml2:Assertion xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion" ID="uuid-201bfc86-e7d7-4dca-bdb5-2263b2d27c22" IssueInstant="2016-02-29T14:16:01.175Z" Version="2.0">
        <saml2:Issuer>idp-name</saml2:Issuer>
        <ds:Signature xmlns:ds="http://www.w3.org/2000/09/xmldsig#">
            <ds:SignedInfo>
                <ds:CanonicalizationMethod Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#" />
                <ds:SignatureMethod Algorithm="http://www.w3.org/2000/09/xmldsig#rsa-sha1" />
                <ds:Reference URI="#uuid-201bfc86-e7d7-4dca-bdb5-2263b2d27c22">
                    <ds:Transforms>
                        <ds:Transform Algorithm="http://www.w3.org/2000/09/xmldsig#enveloped-signature" />
                        <ds:Transform Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#" />
                    </ds:Transforms>
                    <ds:DigestMethod Algorithm="http://www.w3.org/2000/09/xmldsig#sha1" />
                    <ds:DigestValue>EJzD3pVZwkvFkh8IX0xyF7tmP2k=</ds:DigestValue>
                </ds:Reference>
            </ds:SignedInfo>
            <ds:SignatureValue>b3ONeh..zOEw==</ds:SignatureValue>
            <ds:KeyInfo>
                <ds:X509Data>
                    <ds:X509Certificate>MIIFIj..mV7A==</ds:X509Certificate>
                </ds:X509Data>
                <ds:X509Data>
                    <ds:X509Certificate>MIIFDj..5uLcw=</ds:X509Certificate>
                </ds:X509Data>
                <ds:X509Data>
                    <ds:X509Certificate>MIIE/z..3IDhA=</ds:X509Certificate>
                </ds:X509Data>
                <ds:X509Data>
                    <ds:X509Certificate>MIIEkT..5/WrQ8</ds:X509Certificate>
                </ds:X509Data>
            </ds:KeyInfo>
        </ds:Signature>
    </saml2:Assertion>
</saml2p:Response>

你能解释一下我在这里做错了什么吗？如何使用xmlsec验证签名的XML文件？

Answer 1

我已经找到了验证这一点的正确方法，因此方法如下：

首先，必须指定 ID 属性：

xmlsec1 --verify --id-attr:ID "urn:oasis:names:tc:SAML:2.0:protocol:Response" test.xml

对我的 XML 文件执行此命令导致错误invalid data:data and digest do not match。

我一直在针对 SAML Tracer（Firefox 插件）返回的输出调用此命令，该输出格式化 XML - 这会更改签名，因此xmlsec1会打印错误。

调用xmlsec1原始（解密）内容效果很好。