Hello,
If we use this overload:
AttachSignature(MapiMessage, X509Certificate2, SignatureOptions)
To avoid loading certificate into the cms signer, how to set:
CmsSigner > DigestAlgorithm IncludeOption and SignedAtt…...contentInfo = new ContentInfo(Encoding.UTF8.GetBytes("Your message...signatureBytes = signedCms.Encode(); Then embed or attach signatureBytes...