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-rw-r--r--src/stream/ofb/ofb.cpp93
1 files changed, 0 insertions, 93 deletions
diff --git a/src/stream/ofb/ofb.cpp b/src/stream/ofb/ofb.cpp
deleted file mode 100644
index 1137a58af..000000000
--- a/src/stream/ofb/ofb.cpp
+++ /dev/null
@@ -1,93 +0,0 @@
-/*
-* OFB Mode
-* (C) 1999-2007 Jack Lloyd
-*
-* Distributed under the terms of the Botan license
-*/
-
-#include <botan/ofb.h>
-#include <botan/internal/xor_buf.h>
-#include <algorithm>
-
-namespace Botan {
-
-/*
-* OFB Constructor
-*/
-OFB::OFB(BlockCipher* ciph) : permutation(ciph)
- {
- position = 0;
- buffer.resize(permutation->block_size());
- }
-
-/*
-* OFB Destructor
-*/
-OFB::~OFB()
- {
- delete permutation;
- }
-
-/*
-* Zeroize
-*/
-void OFB::clear()
- {
- permutation->clear();
- zeroise(buffer);
- position = 0;
- }
-
-/*
-* Set the key
-*/
-void OFB::key_schedule(const byte key[], size_t key_len)
- {
- permutation->set_key(key, key_len);
-
- // Set a default all-zeros IV
- set_iv(nullptr, 0);
- }
-
-/*
-* Return the name of this type
-*/
-std::string OFB::name() const
- {
- return ("OFB(" + permutation->name() + ")");
- }
-
-/*
-* CTR-BE Encryption/Decryption
-*/
-void OFB::cipher(const byte in[], byte out[], size_t length)
- {
- while(length >= buffer.size() - position)
- {
- xor_buf(out, in, &buffer[position], buffer.size() - position);
- length -= (buffer.size() - position);
- in += (buffer.size() - position);
- out += (buffer.size() - position);
- permutation->encrypt(buffer);
- position = 0;
- }
- xor_buf(out, in, &buffer[position], length);
- position += length;
- }
-
-/*
-* Set CTR-BE IV
-*/
-void OFB::set_iv(const byte iv[], size_t iv_len)
- {
- if(!valid_iv_length(iv_len))
- throw Invalid_IV_Length(name(), iv_len);
-
- zeroise(buffer);
- buffer_insert(buffer, 0, iv, iv_len);
-
- permutation->encrypt(buffer);
- position = 0;
- }
-
-}