private static AS4Message SignedNRReceipt(X509Certificate2 cert, AS4Message signedUserMessage, Func <int, int> selection)
{
IEnumerable <Reference> hashes =
signedUserMessage
.SecurityHeader
.GetReferences()
.Select(r =>
{
r.DigestValue = r.DigestValue.Select(v => (byte)selection(v)).ToArray();
return(Reference.CreateFromReferenceElement(r));
});
AS4Message receipt = AS4Message.Create(
new Receipt(
messageId: $"receipt-{Guid.NewGuid()}",
refToMessageId: signedUserMessage.GetPrimaryMessageId(),
nonRepudiation: new NonRepudiationInformation(hashes)));
return(AS4MessageUtils.SignWithCertificate(receipt, cert));
}