1 files changed, 32 insertions, 0 deletions
diff --git a/core/src/main/java/org/bouncycastle/crypto/tls/TlsContext.java b/core/src/main/java/org/bouncycastle/crypto/tls/TlsContext.java
new file mode 100644
index 00000000..dfb10524
--- /dev/null
+++ b/core/src/main/java/org/bouncycastle/crypto/tls/TlsContext.java
@@ -0,0 +1,32 @@
+package org.bouncycastle.crypto.tls;
+
+import java.security.SecureRandom;
+
+public interface TlsContext
+{
+
+    SecureRandom getSecureRandom();
+
+    SecurityParameters getSecurityParameters();
+
+    boolean isServer();
+
+    ProtocolVersion getClientVersion();
+
+    ProtocolVersion getServerVersion();
+
+    Object getUserObject();
+
+    void setUserObject(Object userObject);
+
+    /**
+     * Export keying material according to RFC 5705: "Keying Material Exporters for TLS".
+     *
+     * @param asciiLabel    indicates which application will use the exported keys.
+     * @param context_value allows the application using the exporter to mix its own data with the TLS PRF for
+     *                      the exporter output.
+     * @param length        the number of bytes to generate
+     * @return a pseudorandom bit string of 'length' bytes generated from the master_secret.
+     */
+    byte[] exportKeyingMaterial(String asciiLabel, byte[] context_value, int length);
+}