1 files changed, 18 insertions, 0 deletions
diff --git a/Crypto/src/crypto/tls/TlsSigner.cs b/Crypto/src/crypto/tls/TlsSigner.cs
new file mode 100644
index 000000000..e59b90705
--- /dev/null
+++ b/Crypto/src/crypto/tls/TlsSigner.cs
@@ -0,0 +1,18 @@
+using System;
+
+using Org.BouncyCastle.Security;
+
+namespace Org.BouncyCastle.Crypto.Tls
+{
+	public interface TlsSigner
+	{
+    	byte[] CalculateRawSignature(SecureRandom random, AsymmetricKeyParameter privateKey,
+			byte[] md5andsha1);
+		bool VerifyRawSignature(byte[] sigBytes, AsymmetricKeyParameter publicKey, byte[] md5andsha1);
+
+		ISigner CreateSigner(SecureRandom random, AsymmetricKeyParameter privateKey);
+		ISigner CreateVerifyer(AsymmetricKeyParameter publicKey);
+
+		bool IsValidPublicKey(AsymmetricKeyParameter publicKey);
+	}
+}