AbstractTlsKeyExchange
Base class for supporting a TLS key exchange implementation.
using Org.BouncyCastle.Tls.Crypto;
using System.IO;
namespace Org.BouncyCastle.Tls
{
public abstract class AbstractTlsKeyExchange : TlsKeyExchange
{
protected readonly int m_keyExchange;
protected TlsContext m_context;
public virtual bool RequiresServerKeyExchange => false;
public virtual bool RequiresCertificateVerify => true;
protected AbstractTlsKeyExchange(int keyExchange)
{
m_keyExchange = keyExchange;
}
public virtual void Init(TlsContext context)
{
m_context = context;
}
public abstract void SkipServerCredentials();
public abstract void ProcessServerCredentials(TlsCredentials serverCredentials);
public virtual void ProcessServerCertificate(Certificate serverCertificate)
{
throw new TlsFatalAlert(80);
}
public virtual byte[] GenerateServerKeyExchange()
{
if (RequiresServerKeyExchange)
throw new TlsFatalAlert(80);
return null;
}
public virtual void SkipServerKeyExchange()
{
if (RequiresServerKeyExchange)
throw new TlsFatalAlert(10);
}
public virtual void ProcessServerKeyExchange(Stream input)
{
if (!RequiresServerKeyExchange)
throw new TlsFatalAlert(10);
}
public virtual short[] GetClientCertificateTypes()
{
return null;
}
public virtual void SkipClientCredentials()
{
}
public abstract void ProcessClientCredentials(TlsCredentials clientCredentials);
public virtual void ProcessClientCertificate(Certificate clientCertificate)
{
}
public abstract void GenerateClientKeyExchange(Stream output);
public virtual void ProcessClientKeyExchange(Stream input)
{
throw new TlsFatalAlert(80);
}
public abstract TlsSecret GeneratePreMasterSecret();
}
}