我需要对以下XML代码进行签名，但是我不知道如何计算“ DigestValue”或“ SignatureValue”。可以使用Java或JavaScript吗？
有人可以帮我吗？
<Body wsu:Id="id-1">
<ns5:upload xmlns:ns4="http://msa.ebs.health.ontario.ca/" xmlns:ns3="http://idp.ebs.health.ontario.ca/" xmlns:ns2="http://ebs.health.ontario.ca/" xmlns:ns5="http://edt.health.ontario.ca/">
<upload>
<content> AAAA</content>
<description>Demo</description>
<resourceType>CL</resourceType>
</upload>
</ns5:upload>
</Body>
<ds:Signature xmlns:ds="http://www.w3.org/2000/09/xmldsig#" Id="SIG-6">
<ds:SignedInfo>
<ds:CanonicalizationMethod Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#">
<ec:InclusiveNamespaces xmlns:ec="http://www.w3.org/2001/10/xml-exc-c14n#" PrefixList="SOAP-ENV ebs soap-sec soapenv sp tns wsdl wsp wsse wsu xs xsi" />
</ds:CanonicalizationMethod>
<ds:SignatureMethod Algorithm="http://www.w3.org/2000/09/xmldsig#rsa-sha1" />
<ds:Reference URI="#id-1">
<ds:Transforms>
<ds:Transform Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#">
<ec:InclusiveNamespaces xmlns:ec="http://www.w3.org/2001/10/xml-exc-c14n#" PrefixList="SOAP-ENV ebs soap-sec soapenv sp tns wsdl wsp wsse wsu xs xsi" />
</ds:Transform>
</ds:Transforms>
<ds:DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256" />
<ds:DigestValue>FkhA37COGmsKeEH50LAGhKntvRpD0+xOGsGzXAV210k=</ds:DigestValue>
</ds:Reference>
</ds:SignedInfo>
<ds:SignatureValue> HmOiZS4gZbxv07+sLjyi7Vfg3Rfpvr3IVnaHfRp4aKvg5yBFlLocPIYwhUhmCCs1LXrJxR0hsbe0K2sz3ML5hH+PDEGetlPKSN9R1x9 K95w7V 1JQcTUULiVgNGLCfxgFV2HNy1iNvlTc7COS+7w4xSgsY4KlVgrBw0T1srhHpUA=
</ds:SignatureValue>
<ds:KeyInfo Id="KI-0EE1C2718CEDCA9FC213407274954662">
<wsse:SecurityTokenReference wsu:Id="STR-0EE1C2718CEDCA9FC213407274954663">
<wsse:Reference URI="#X509-0EE1C2718CEDCA9FC213407274954261" ValueType="http://docs.oasis- open.org/wss/2004/01/oasis-200401-wss-x509-token-profile-1.0#X509v3" />
</wsse:SecurityTokenReference>
</ds:KeyInfo>
</ds:Signature>