3 files changed, 0 insertions, 201 deletions
diff --git a/src/stream/ctr/ctr.cpp b/src/stream/ctr/ctr.cpp
deleted file mode 100644
index 87ec86c65..000000000
--- a/src/stream/ctr/ctr.cpp
+++ /dev/null
@@ -1,134 +0,0 @@
-/*
-* Counter mode
-* (C) 1999-2011 Jack Lloyd
-*
-* Distributed under the terms of the Botan license
-*/
-
-#include <botan/ctr.h>
-#include <botan/internal/xor_buf.h>
-
-namespace Botan {
-
-/*
-* CTR-BE Constructor
-*/
-
-CTR_BE::CTR_BE(BlockCipher* ciph) :
-   permutation(ciph),
-   counter(256 * permutation->block_size()),
-   buffer(counter.size()),
-   position(0)
-   {
-   }
-
-/*
-* CTR_BE Destructor
-*/
-CTR_BE::~CTR_BE()
-   {
-   delete permutation;
-   }
-
-/*
-* Zeroize
-*/
-void CTR_BE::clear()
-   {
-   permutation->clear();
-   zeroise(buffer);
-   zeroise(counter);
-   position = 0;
-   }
-
-/*
-* Set the key
-*/
-void CTR_BE::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 CTR_BE::name() const
-   {
-   return ("CTR-BE(" + permutation->name() + ")");
-   }
-
-/*
-* CTR-BE Encryption/Decryption
-*/
-void CTR_BE::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);
-      increment_counter();
-      }
-   xor_buf(out, in, &buffer[position], length);
-   position += length;
-   }
-
-/*
-* Set CTR-BE IV
-*/
-void CTR_BE::set_iv(const byte iv[], size_t iv_len)
-   {
-   if(!valid_iv_length(iv_len))
-      throw Invalid_IV_Length(name(), iv_len);
-
-   const size_t bs = permutation->block_size();
-
-   zeroise(counter);
-
-   buffer_insert(counter, 0, iv, iv_len);
-
-   /*
-   * Set counter blocks to IV, IV + 1, ... IV + 255
-   */
-   for(size_t i = 1; i != 256; ++i)
-      {
-      buffer_insert(counter, i*bs, &counter[(i-1)*bs], bs);
-
-      for(size_t j = 0; j != bs; ++j)
-         if(++counter[i*bs + (bs - 1 - j)])
-            break;
-      }
-
-   permutation->encrypt_n(&counter[0], &buffer[0], 256);
-   position = 0;
-   }
-
-/*
-* Increment the counter and update the buffer
-*/
-void CTR_BE::increment_counter()
-   {
-   const size_t bs = permutation->block_size();
-
-   /*
-   * Each counter value always needs to be incremented by 256,
-   * so we don't touch the lowest byte and instead treat it as
-   * an increment of one starting with the next byte.
-   */
-   for(size_t i = 0; i != 256; ++i)
-      {
-      for(size_t j = 1; j != bs; ++j)
-         if(++counter[i*bs + (bs - 1 - j)])
-            break;
-      }
-
-   permutation->encrypt_n(&counter[0], &buffer[0], 256);
-
-   position = 0;
-   }
-
-}
diff --git a/src/stream/ctr/ctr.h b/src/stream/ctr/ctr.h
deleted file mode 100644
index 84cf9ed5d..000000000
--- a/src/stream/ctr/ctr.h
+++ /dev/null
@@ -1,61 +0,0 @@
-/*
-* CTR-BE Mode
-* (C) 1999-2007 Jack Lloyd
-*
-* Distributed under the terms of the Botan license
-*/
-
-#ifndef BOTAN_CTR_BE_H__
-#define BOTAN_CTR_BE_H__
-
-#include <botan/block_cipher.h>
-#include <botan/stream_cipher.h>
-
-namespace Botan {
-
-/**
-* CTR-BE (Counter mode, big-endian)
-*/
-class BOTAN_DLL CTR_BE : public StreamCipher
-   {
-   public:
-      void cipher(const byte in[], byte out[], size_t length);
-
-      void set_iv(const byte iv[], size_t iv_len);
-
-      bool valid_iv_length(size_t iv_len) const
-         { return (iv_len <= permutation->block_size()); }
-
-      Key_Length_Specification key_spec() const
-         {
-         return permutation->key_spec();
-         }
-
-      std::string name() const;
-
-      CTR_BE* clone() const
-         { return new CTR_BE(permutation->clone()); }
-
-      void clear();
-
-      /**
-      * @param cipher the underlying block cipher to use
-      */
-      CTR_BE(BlockCipher* cipher);
-
-      CTR_BE(const CTR_BE&) = delete;
-      CTR_BE& operator=(const CTR_BE&) = delete;
-
-      ~CTR_BE();
-   private:
-      void key_schedule(const byte key[], size_t key_len);
-      void increment_counter();
-
-      BlockCipher* permutation;
-      secure_vector<byte> counter, buffer;
-      size_t position;
-   };
-
-}
-
-#endif
diff --git a/src/stream/ctr/info.txt b/src/stream/ctr/info.txt
deleted file mode 100644
index 84d90a76f..000000000
--- a/src/stream/ctr/info.txt
+++ /dev/null
@@ -1,6 +0,0 @@
-define CTR_BE 20131128
-
-<requires>
-block
-stream
-</requires>