<PackageReference Include="BouncyCastle.Cryptography" Version="2.4.0" />

SignerInfo

public class SignerInfo : Asn1Encodable

public DerInteger Version { get; }

public SignerInfo(DerInteger version, IssuerAndSerialNumber issuerAndSerialNumber, AlgorithmIdentifier digAlgorithm, Asn1Set authenticatedAttributes, AlgorithmIdentifier digEncryptionAlgorithm, Asn1OctetString encryptedDigest, Asn1Set unauthenticatedAttributes)

public static SignerInfo GetInstance(object obj)