<PackageReference Include="BouncyCastle.Cryptography" Version="2.7.0" />

Org.BouncyCastle.Cms.CmsAttributeTableParameter

namespace Org.BouncyCastle.Cms { public enum CmsAttributeTableParameter { ContentType, Digest, Signature, DigestAlgorithmIdentifier, SignatureAlgorithmIdentifier, MacAlgorithmIdentifier } }