我必须使用Web服务，请求必须如下所示：
<soapenv:Envelope xmlns:ds="http://www.w3.org/2000/09/xmldsig#"
xmlns:wsse="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd"
xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd"
xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:pid="http://pid.purs.gov.rs">
<soapenv:Header>
<wsse:Security>
<ds:Signature>
<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="#X509-sertifikatId">
<ds:Transforms>
<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>...</ds:DigestValue>
</ds:Reference>
<ds:Reference URI="#id-1">
<ds:Transforms>
<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>...</ds:DigestValue>
</ds:Reference>
</ds:SignedInfo>
<ds:SignatureValue>...</ds:SignatureValue>
<ds:KeyInfo>
<wsse:SecurityTokenReference>
<wsse:Reference URI="#X509-sertifikatId"/>
</wsse:SecurityTokenReference>
</ds:KeyInfo>
</ds:Signature>
<wsse:BinarySecurityToken EncodingType="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-soap-message-security-1.0#Base64Binary" ValueType="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-x509-token-profile-1.0#X509v3" wsu:Id="X509-sertifikatId">...</wsse:BinarySecurityToken>
</wsse:Security>
</soapenv:Header>
<soapenv:Body wsu:Id="id-1">
...
</soapenv:Body>
</soapenv:Envelope>
必须签署全身部分。
我找到了很多例子，但他们都在本地光盘上使用密钥库，我必须使用智能卡签名。据我所知，我可以将证书从智能卡导出到.cer文件，但它不会有私钥。那么有没有办法做到这一点以及如何做到？
非常感谢任何帮助。