1 files changed, 24 insertions, 0 deletions
diff --git a/crypto/src/tls/crypto/TlsSrp6Client.cs b/crypto/src/tls/crypto/TlsSrp6Client.cs
new file mode 100644
index 000000000..e2b545ada
--- /dev/null
+++ b/crypto/src/tls/crypto/TlsSrp6Client.cs
@@ -0,0 +1,24 @@
+using System;
+using System.IO;
+
+using Org.BouncyCastle.Math;
+
+namespace Org.BouncyCastle.Tls.Crypto
+{
+    /// <summary>Basic interface for an SRP-6 client implementation.</summary>
+    public interface TlsSrp6Client
+    {
+        /// <summary>Generates the secret S given the server's credentials</summary>
+        /// <param name="serverB">The server's credentials</param>
+        /// <returns>Client's verification message for the server</returns>
+        /// <exception cref="IOException">If server's credentials are invalid</exception>
+        BigInteger CalculateSecret(BigInteger serverB);
+
+        /// <summary>Generates client's credentials given the client's salt, identity and password</summary>
+        /// <param name="salt">The salt used in the client's verifier.</param>
+        /// <param name="identity">The user's identity (eg. username)</param>
+        /// <param name="password">The user's password</param>
+        /// <returns>Client's public value to send to server</returns>
+        BigInteger GenerateClientCredentials(byte[] salt, byte[] identity, byte[] password);
+    }
+}