xmlSecDSigCtx: : the pointer to user data (xmlsec and xmlsec-crypto libraries never touches this). : the XML Digital Signature processing flags. : the XML Digital Signature processing flags. : the reading key context. : the writing key context (not used for signature verification). : the <dsig:SignedInfo/> node processing context. : the URI types allowed for <dsig:Reference/> node. : the list of transforms allowed in <dsig:Reference/> node. :the callback for <dsig:Reference/> node processing. : the default signing method klass. : the default c14n method klass. : the default digest method klass. : the signature key; application may set signKey before calling xmlSecDSigCtxSign or xmlSecDSigCtxVerify functions. : the operation: sign or verify. XML DSig processing context.