1 files changed, 14 insertions, 0 deletions
diff --git a/core/src/main/java/org/bouncycastle/crypto/tls/TlsCipher.java b/core/src/main/java/org/bouncycastle/crypto/tls/TlsCipher.java
new file mode 100644
index 00000000..2f0af080
--- /dev/null
+++ b/core/src/main/java/org/bouncycastle/crypto/tls/TlsCipher.java
@@ -0,0 +1,14 @@
+package org.bouncycastle.crypto.tls;
+
+import java.io.IOException;
+
+public interface TlsCipher
+{
+    int getPlaintextLimit(int ciphertextLimit);
+
+    byte[] encodePlaintext(long seqNo, short type, byte[] plaintext, int offset, int len)
+        throws IOException;
+
+    byte[] decodeCiphertext(long seqNo, short type, byte[] ciphertext, int offset, int len)
+        throws IOException;
+}