1 files changed, 0 insertions, 162 deletions
diff --git a/botan/src/mac/cmac/cmac.cpp b/botan/src/mac/cmac/cmac.cpp
deleted file mode 100644
index 84aa61e..0000000
--- a/botan/src/mac/cmac/cmac.cpp
+++ /dev/null
@@ -1,162 +0,0 @@
-/*
-* CMAC
-* (C) 1999-2007 Jack Lloyd
-*
-* Distributed under the terms of the Botan license
-*/
-
-#include <botan/cmac.h>
-#include <botan/xor_buf.h>
-
-namespace Botan {
-
-/*
-* Perform CMAC's multiplication in GF(2^n)
-*/
-SecureVector<byte> CMAC::poly_double(const MemoryRegion<byte>& in,
-                                     byte polynomial)
-   {
-   const bool do_xor = (in[0] & 0x80) ? true : false;
-
-   SecureVector<byte> out = in;
-
-   byte carry = 0;
-   for(u32bit j = out.size(); j != 0; --j)
-      {
-      byte temp = out[j-1];
-      out[j-1] = (temp << 1) | carry;
-      carry = (temp >> 7);
-      }
-
-   if(do_xor)
-      out[out.size()-1] ^= polynomial;
-
-   return out;
-   }
-
-/*
-* Update an CMAC Calculation
-*/
-void CMAC::add_data(const byte input[], u32bit length)
-   {
-   buffer.copy(position, input, length);
-   if(position + length > OUTPUT_LENGTH)
-      {
-      xor_buf(state, buffer, OUTPUT_LENGTH);
-      e->encrypt(state);
-      input += (OUTPUT_LENGTH - position);
-      length -= (OUTPUT_LENGTH - position);
-      while(length > OUTPUT_LENGTH)
-         {
-         xor_buf(state, input, OUTPUT_LENGTH);
-         e->encrypt(state);
-         input += OUTPUT_LENGTH;
-         length -= OUTPUT_LENGTH;
-         }
-      buffer.copy(input, length);
-      position = 0;
-      }
-   position += length;
-   }
-
-/*
-* Finalize an CMAC Calculation
-*/
-void CMAC::final_result(byte mac[])
-   {
-   xor_buf(state, buffer, position);
-
-   if(position == OUTPUT_LENGTH)
-      {
-      xor_buf(state, B, OUTPUT_LENGTH);
-      }
-   else
-      {
-      state[position] ^= 0x80;
-      xor_buf(state, P, OUTPUT_LENGTH);
-      }
-
-   e->encrypt(state);
-
-   for(u32bit j = 0; j != OUTPUT_LENGTH; ++j)
-      mac[j] = state[j];
-
-   state.clear();
-   buffer.clear();
-   position = 0;
-   }
-
-/*
-* CMAC Key Schedule
-*/
-void CMAC::key_schedule(const byte key[], u32bit length)
-   {
-   clear();
-   e->set_key(key, length);
-   e->encrypt(B);
-   B = poly_double(B, polynomial);
-   P = poly_double(B, polynomial);
-   }
-
-/*
-* Clear memory of sensitive data
-*/
-void CMAC::clear() throw()
-   {
-   e->clear();
-   state.clear();
-   buffer.clear();
-   B.clear();
-   P.clear();
-   position = 0;
-   }
-
-/*
-* Return the name of this type
-*/
-std::string CMAC::name() const
-   {
-   return "CMAC(" + e->name() + ")";
-   }
-
-/*
-* Return a clone of this object
-*/
-MessageAuthenticationCode* CMAC::clone() const
-   {
-   return new CMAC(e->clone());
-   }
-
-/*
-* CMAC Constructor
-*/
-CMAC::CMAC(BlockCipher* e_in) :
-   MessageAuthenticationCode(e_in->BLOCK_SIZE,
-                             e_in->MINIMUM_KEYLENGTH,
-                             e_in->MAXIMUM_KEYLENGTH,
-                             e_in->KEYLENGTH_MULTIPLE),
-   e(e_in)
-   {
-   if(e->BLOCK_SIZE == 16)
-      polynomial = 0x87;
-   else if(e->BLOCK_SIZE == 8)
-      polynomial = 0x1B;
-   else
-      throw Invalid_Argument("CMAC cannot use the cipher " + e->name());
-
-   state.create(OUTPUT_LENGTH);
-   buffer.create(OUTPUT_LENGTH);
-   B.create(OUTPUT_LENGTH);
-   P.create(OUTPUT_LENGTH);
-   position = 0;
-   }
-
-/*
-* CMAC Destructor
-*/
-CMAC::~CMAC()
-   {
-   delete e;
-   }
-
-}