init commit

output/Libraries/BouncyCastle.Crypto/Org/BouncyCastle/Crypto/Tls/DefaultTlsClient.cs

@@ -0,0 +1,78 @@
+namespace Org.BouncyCastle.Crypto.Tls;
+
+public abstract class DefaultTlsClient : AbstractTlsClient
+{
+	protected TlsDHVerifier mDHVerifier;
+
+	public DefaultTlsClient()
+		: this(new DefaultTlsCipherFactory())
+	{
+	}
+
+	public DefaultTlsClient(TlsCipherFactory cipherFactory)
+		: this(cipherFactory, new DefaultTlsDHVerifier())
+	{
+	}
+
+	public DefaultTlsClient(TlsCipherFactory cipherFactory, TlsDHVerifier dhVerifier)
+		: base(cipherFactory)
+	{
+		mDHVerifier = dhVerifier;
+	}
+
+	public override int[] GetCipherSuites()
+	{
+		return new int[9] { 49195, 49187, 49161, 49199, 49191, 49171, 156, 60, 47 };
+	}
+
+	public override TlsKeyExchange GetKeyExchange()
+	{
+		int keyExchangeAlgorithm = TlsUtilities.GetKeyExchangeAlgorithm(mSelectedCipherSuite);
+		switch (keyExchangeAlgorithm)
+		{
+		case 7:
+		case 9:
+		case 11:
+			return CreateDHKeyExchange(keyExchangeAlgorithm);
+		case 3:
+		case 5:
+			return CreateDheKeyExchange(keyExchangeAlgorithm);
+		case 16:
+		case 18:
+		case 20:
+			return CreateECDHKeyExchange(keyExchangeAlgorithm);
+		case 17:
+		case 19:
+			return CreateECDheKeyExchange(keyExchangeAlgorithm);
+		case 1:
+			return CreateRsaKeyExchange();
+		default:
+			throw new TlsFatalAlert(80);
+		}
+	}
+
+	protected virtual TlsKeyExchange CreateDHKeyExchange(int keyExchange)
+	{
+		return new TlsDHKeyExchange(keyExchange, mSupportedSignatureAlgorithms, mDHVerifier, null);
+	}
+
+	protected virtual TlsKeyExchange CreateDheKeyExchange(int keyExchange)
+	{
+		return new TlsDheKeyExchange(keyExchange, mSupportedSignatureAlgorithms, mDHVerifier, null);
+	}
+
+	protected virtual TlsKeyExchange CreateECDHKeyExchange(int keyExchange)
+	{
+		return new TlsECDHKeyExchange(keyExchange, mSupportedSignatureAlgorithms, mNamedCurves, mClientECPointFormats, mServerECPointFormats);
+	}
+
+	protected virtual TlsKeyExchange CreateECDheKeyExchange(int keyExchange)
+	{
+		return new TlsECDheKeyExchange(keyExchange, mSupportedSignatureAlgorithms, mNamedCurves, mClientECPointFormats, mServerECPointFormats);
+	}
+
+	protected virtual TlsKeyExchange CreateRsaKeyExchange()
+	{
+		return new TlsRsaKeyExchange(mSupportedSignatureAlgorithms);
+	}
+}