1 files changed, 50 insertions, 0 deletions
diff --git a/Crypto/src/crypto/ISigner.cs b/Crypto/src/crypto/ISigner.cs
new file mode 100644
index 000000000..e03bbf4d3
--- /dev/null
+++ b/Crypto/src/crypto/ISigner.cs
@@ -0,0 +1,50 @@
+
+using System;
+using System.Text;
+
+namespace Org.BouncyCastle.Crypto
+{
+    public interface ISigner
+    {
+        /**
+         * Return the name of the algorithm the signer implements.
+         *
+         * @return the name of the algorithm the signer implements.
+         */
+        string AlgorithmName { get; }
+
+		/**
+         * Initialise the signer for signing or verification.
+         *
+         * @param forSigning true if for signing, false otherwise
+         * @param param necessary parameters.
+         */
+         void Init(bool forSigning, ICipherParameters parameters);
+
+        /**
+         * update the internal digest with the byte b
+         */
+        void Update(byte input);
+
+        /**
+         * update the internal digest with the byte array in
+         */
+        void BlockUpdate(byte[] input, int inOff, int length);
+
+        /**
+         * Generate a signature for the message we've been loaded with using
+         * the key we were initialised with.
+         */
+        byte[] GenerateSignature();
+        /**
+         * return true if the internal state represents the signature described
+         * in the passed in array.
+         */
+        bool VerifySignature(byte[] signature);
+
+        /**
+         * reset the internal state
+         */
+        void Reset();
+    }
+}