Similiar treatment for OFB which is also just a plain stream cipher

3 files changed, 0 insertions, 113 deletions

diff --git a/src/modes/ofb/info.txt b/src/modes/ofb/info.txt
deleted file mode 100644
index 3cba4151e..000000000
--- a/src/modes/ofb/info.txt
+++ /dev/null
@@ -1,14 +0,0 @@
-realname "OFB block cipher mode"
-
-define OFB
-
-load_on auto
-
-<add>
-ofb.cpp
-ofb.h
-</add>
-
-<requires>
-block
-</requires>
diff --git a/src/modes/ofb/ofb.cpp b/src/modes/ofb/ofb.cpp
deleted file mode 100644
index cb40fdeaa..000000000
--- a/src/modes/ofb/ofb.cpp
+++ /dev/null
@@ -1,66 +0,0 @@
-/*
-* OFB Mode
-* (C) 1999-2007 Jack Lloyd
-*
-* Distributed under the terms of the Botan license
-*/
-
-#include <botan/ofb.h>
-#include <botan/xor_buf.h>
-#include <algorithm>
-
-namespace Botan {
-
-/*
-* OFB Constructor
-*/
-OFB::OFB(BlockCipher* ciph) :
-   BlockCipherMode(ciph, "OFB", ciph->BLOCK_SIZE, 2)
-   {
-   }
-
-/*
-* OFB Constructor
-*/
-OFB::OFB(BlockCipher* ciph, const SymmetricKey& key,
-         const InitializationVector& iv) :
-   BlockCipherMode(ciph, "OFB", ciph->BLOCK_SIZE, 2)
-   {
-   set_key(key);
-   set_iv(iv);
-   }
-
-/*
-* OFB Encryption/Decryption
-*/
-void OFB::write(const byte input[], u32bit length)
-   {
-   u32bit copied = std::min(BLOCK_SIZE - position, length);
-   xor_buf(buffer, input, state + position, copied);
-   send(buffer, copied);
-   input += copied;
-   length -= copied;
-   position += copied;
-
-   if(position == BLOCK_SIZE)
-      {
-      cipher->encrypt(state);
-      position = 0;
-      }
-
-   while(length >= BLOCK_SIZE)
-      {
-      xor_buf(buffer, input, state, BLOCK_SIZE);
-      send(buffer, BLOCK_SIZE);
-
-      input += BLOCK_SIZE;
-      length -= BLOCK_SIZE;
-      cipher->encrypt(state);
-      }
-
-   xor_buf(buffer, input, state + position, length);
-   send(buffer, length);
-   position += length;
-   }
-
-}
diff --git a/src/modes/ofb/ofb.h b/src/modes/ofb/ofb.h
deleted file mode 100644
index a3aadc137..000000000
--- a/src/modes/ofb/ofb.h
+++ /dev/null
@@ -1,33 +0,0 @@
-/*
-* OFB Mode
-* (C) 1999-2007 Jack Lloyd
-*
-* Distributed under the terms of the Botan license
-*/
-
-#ifndef BOTAN_OUTPUT_FEEDBACK_MODE_H__
-#define BOTAN_OUTPUT_FEEDBACK_MODE_H__
-
-#include <botan/modebase.h>
-#include <botan/block_cipher.h>
-
-namespace Botan {
-
-/*
-* OFB Mode
-*/
-class BOTAN_DLL OFB : public BlockCipherMode
-   {
-   public:
-      OFB(BlockCipher* cipher);
-
-      OFB(BlockCipher* cipher,
-          const SymmetricKey& key,
-          const InitializationVector& iv);
-   private:
-      void write(const byte[], u32bit);
-   };
-
-}
-
-#endif