<PackageReference Include="BouncyCastle.Cryptography" Version="2.6.2" />

Org.BouncyCastle.Cms.CmsAuthEnvelopedGenerator

namespace Org.BouncyCastle.Cms { internal class CmsAuthEnvelopedGenerator { public static readonly string Aes128Ccm; public static readonly string Aes192Ccm; public static readonly string Aes256Ccm; public static readonly string Aes128Gcm; public static readonly string Aes192Gcm; public static readonly string Aes256Gcm; public CmsAuthEnvelopedGenerator(); } }