<PackageReference Include="BouncyCastle.Cryptography" Version="2.6.0" />

Org.BouncyCastle.Crypto.IO.MacStream

public sealed class MacStream : Stream
namespace Org.BouncyCastle.Crypto.IO { public sealed class MacStream : Stream { public IMac ReadMac { get; } public IMac WriteMac { get; } public MacStream(Stream stream, IMac readMac, IMac writeMac); } }