Output
When you build and run the KeyFromHMACSecret code, you should get output similar to the following.
The data referenced in the signature template was signed successfully. Resultant signature: <?xml version="1.0"?> <Signature xmlns="http://www.w3.org/2000/09/xmldsig#"> <SignedInfo> <CanonicalizationMethod Algorithm="http://www.w3.org/TR/2001/REC-xml-c14n-20 010315"/> <SignatureMethod Algorithm="http://www.w3.org/2000/09/xmldsig#hmac-sha1"> <HMACOutputLength>40</HMACOutputLength> </SignatureMethod> <Reference URI="#object"> <DigestMethod Algorithm="http://www.w3.org/2000/09/xmldsig#sha1"/> <DigestValue>gr9ao1nOSq6zgOFaaiCjYGHxB50=</DigestValue> </Reference> </SignedInfo> <SignatureValue>w5op7/I=</SignatureValue> <Object Id="object">Hello, World!</Object> </Signature> The data referenced in the signature object was verified successfully.