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using System;
namespace Org.BouncyCastle.Tls
{
/// <summary>RFC 2246</summary>
/// <remarks>
/// Note that the values here are implementation-specific and arbitrary. It is recommended not to depend on the
/// particular values (e.g. serialization).
/// </remarks>
public abstract class KeyExchangeAlgorithm
{
/*
* NOTE: We interpret TLS 1.3 cipher suites as having a NULL key exchange
*/
public const int NULL = 0;
public const int RSA = 1;
public const int RSA_EXPORT = 2;
public const int DHE_DSS = 3;
public const int DHE_DSS_EXPORT = 4;
public const int DHE_RSA = 5;
public const int DHE_RSA_EXPORT = 6;
public const int DH_DSS = 7;
public const int DH_DSS_EXPORT = 8;
public const int DH_RSA = 9;
public const int DH_RSA_EXPORT = 10;
public const int DH_anon = 11;
public const int DH_anon_EXPORT = 12;
/*
* RFC 4279
*/
public const int PSK = 13;
public const int DHE_PSK = 14;
public const int RSA_PSK = 15;
/*
* RFC 4429
*/
public const int ECDH_ECDSA = 16;
public const int ECDHE_ECDSA = 17;
public const int ECDH_RSA = 18;
public const int ECDHE_RSA = 19;
public const int ECDH_anon = 20;
/*
* RFC 5054
*/
public const int SRP = 21;
public const int SRP_DSS = 22;
public const int SRP_RSA = 23;
/*
* RFC 5489
*/
public const int ECDHE_PSK = 24;
/*
* GMT 0024-2014
*/
public const int SM2 = 25;
public static bool IsAnonymous(int keyExchangeAlgorithm)
{
switch (keyExchangeAlgorithm)
{
case DH_anon:
case DH_anon_EXPORT:
case ECDH_anon:
return true;
default:
return false;
}
}
}
}
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