1 files changed, 55 insertions, 0 deletions
diff --git a/core/src/main/java/org/bouncycastle/crypto/tls/TlsKeyExchange.java b/core/src/main/java/org/bouncycastle/crypto/tls/TlsKeyExchange.java
new file mode 100644
index 00000000..91590cec
--- /dev/null
+++ b/core/src/main/java/org/bouncycastle/crypto/tls/TlsKeyExchange.java
@@ -0,0 +1,55 @@
+package org.bouncycastle.crypto.tls;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+
+/**
+ * A generic interface for key exchange implementations in TLS 1.0/1.1.
+ */
+public interface TlsKeyExchange
+{
+
+    void init(TlsContext context);
+
+    void skipServerCredentials()
+        throws IOException;
+
+    void processServerCredentials(TlsCredentials serverCredentials)
+        throws IOException;
+
+    void processServerCertificate(Certificate serverCertificate)
+        throws IOException;
+
+    boolean requiresServerKeyExchange();
+
+    byte[] generateServerKeyExchange()
+        throws IOException;
+
+    void skipServerKeyExchange()
+        throws IOException;
+
+    void processServerKeyExchange(InputStream input)
+        throws IOException;
+
+    void validateCertificateRequest(CertificateRequest certificateRequest)
+        throws IOException;
+
+    void skipClientCredentials()
+        throws IOException;
+
+    void processClientCredentials(TlsCredentials clientCredentials)
+        throws IOException;
+
+    void processClientCertificate(Certificate clientCertificate)
+        throws IOException;
+
+    void generateClientKeyExchange(OutputStream output)
+        throws IOException;
+
+    void processClientKeyExchange(InputStream input)
+        throws IOException;
+
+    byte[] generatePremasterSecret()
+        throws IOException;
+}