Modularize CMAC and HMAC

1 files changed, 0 insertions, 97 deletions

diff --git a/src/hmac.cpp b/src/hmac.cpp
deleted file mode 100644
index b8c76e8f6..000000000
--- a/src/hmac.cpp
+++ /dev/null
@@ -1,97 +0,0 @@
-/*************************************************
-* HMAC Source File                               *
-* (C) 1999-2007 Jack Lloyd                       *
-*     2007 Yves Jerschow                         *
-*************************************************/
-
-#include <botan/hmac.h>
-#include <botan/lookup.h>
-#include <botan/xor_buf.h>
-
-namespace Botan {
-
-/*************************************************
-* Update a HMAC Calculation                      *
-*************************************************/
-void HMAC::add_data(const byte input[], u32bit length)
-   {
-   hash->update(input, length);
-   }
-
-/*************************************************
-* Finalize a HMAC Calculation                    *
-*************************************************/
-void HMAC::final_result(byte mac[])
-   {
-   hash->final(mac);
-   hash->update(o_key);
-   hash->update(mac, OUTPUT_LENGTH);
-   hash->final(mac);
-   hash->update(i_key);
-   }
-
-/*************************************************
-* HMAC Key Schedule                              *
-*************************************************/
-void HMAC::key(const byte key[], u32bit length)
-   {
-   hash->clear();
-   std::fill(i_key.begin(), i_key.end(), 0x36);
-   std::fill(o_key.begin(), o_key.end(), 0x5C);
-
-   if(length > hash->HASH_BLOCK_SIZE)
-      {
-      SecureVector<byte> hmac_key = hash->process(key, length);
-      xor_buf(i_key, hmac_key, hmac_key.size());
-      xor_buf(o_key, hmac_key, hmac_key.size());
-      }
-   else
-      {
-      xor_buf(i_key, key, length);
-      xor_buf(o_key, key, length);
-      }
-
-   hash->update(i_key);
-   }
-
-/*************************************************
-* Clear memory of sensitive data                 *
-*************************************************/
-void HMAC::clear() throw()
-   {
-   hash->clear();
-   i_key.clear();
-   o_key.clear();
-   }
-
-/*************************************************
-* Return the name of this type                   *
-*************************************************/
-std::string HMAC::name() const
-   {
-   return "HMAC(" + hash->name() + ")";
-   }
-
-/*************************************************
-* Return a clone of this object                  *
-*************************************************/
-MessageAuthenticationCode* HMAC::clone() const
-   {
-   return new HMAC(hash->name());
-   }
-
-/*************************************************
-* HMAC Constructor                               *
-*************************************************/
-HMAC::HMAC(const std::string& hash_name) :
-   MessageAuthenticationCode(output_length_of(hash_name),
-                             1, 2*block_size_of(hash_name)),
-   hash(get_hash(hash_name))
-   {
-   if(hash->HASH_BLOCK_SIZE == 0)
-      throw Invalid_Argument("HMAC cannot be used with " + hash->name());
-   i_key.create(hash->HASH_BLOCK_SIZE);
-   o_key.create(hash->HASH_BLOCK_SIZE);
-   }
-
-}