ReadonlysignerThe CMS signer info.
ReadonlyencryptionThe encryption algorithms (in preferential order) the signer's client supports.
ReadonlysignerThe certificate used by the signer.
ReadonlydigestThe digest algorithm used for the signature.
ReadonlycreationThe creation date of the digital signature (UTC).
The certificate chain. If building the chain failed, this is null and
chainException is set.
The error that occurred, if any, while building the certificate chain.
The public key algorithm used for the signature.
An S/MIME digital signature.