// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
namespace System.Security.Cryptography
{
    public abstract class AsymmetricKeyExchangeFormatter
    {
        protected AsymmetricKeyExchangeFormatter() { }
 
        public abstract string? Parameters { get; }
 
        public abstract void SetKey(AsymmetricAlgorithm key);
        public abstract byte[] CreateKeyExchange(byte[] data);
 
        // For .NET Framework compat, keep this even though symAlgType is not used.
        public abstract byte[] CreateKeyExchange(byte[] data, Type? symAlgType);
    }
}