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

Org.BouncyCastle.Crypto.Parameters.IesParameters

namespace Org.BouncyCastle.Crypto.Parameters { public class IesParameters : ICipherParameters { public int MacKeySize { get; } public IesParameters(byte[] derivation, byte[] encoding, int macKeySize); public byte[] GetDerivationV(); public byte[] GetEncodingV(); } }