Split ciphers into block and stream ciphers. Move base class headers

1 files changed, 28 insertions, 0 deletions

diff --git a/src/stream/stream_cipher.cpp b/src/stream/stream_cipher.cpp
new file mode 100644
index 000000000..04bb54484
--- /dev/null
+++ b/src/stream/stream_cipher.cpp
@@ -0,0 +1,28 @@
+/**
+* Stream Cipher Default Implementation for IV and Seek
+* (C) 1999-2007 Jack Lloyd
+*/
+
+#include <botan/stream_cipher.h>
+
+namespace Botan {
+
+/*************************************************
+* Default StreamCipher Resync Operation          *
+*************************************************/
+void StreamCipher::resync(const byte[], u32bit length)
+   {
+   if(length)
+      throw Exception("The stream cipher " + name() +
+                      " does not support resyncronization");
+   }
+
+/*************************************************
+* Default StreamCipher Seek Operation            *
+*************************************************/
+void StreamCipher::seek(u32bit)
+   {
+   throw Exception("The stream cipher " + name() + " does not support seek()");
+   }
+
+}