diff options
Diffstat (limited to 'src/mac/cbc_mac/cbc_mac.cpp')
-rw-r--r-- | src/mac/cbc_mac/cbc_mac.cpp | 105 |
1 files changed, 0 insertions, 105 deletions
diff --git a/src/mac/cbc_mac/cbc_mac.cpp b/src/mac/cbc_mac/cbc_mac.cpp deleted file mode 100644 index 118570e72..000000000 --- a/src/mac/cbc_mac/cbc_mac.cpp +++ /dev/null @@ -1,105 +0,0 @@ -/* -* CBC-MAC -* (C) 1999-2007 Jack Lloyd -* -* Distributed under the terms of the Botan license -*/ - -#include <botan/cbc_mac.h> -#include <botan/internal/xor_buf.h> -#include <algorithm> - -namespace Botan { - -/* -* Update an CBC-MAC Calculation -*/ -void CBC_MAC::add_data(const byte input[], size_t length) - { - size_t xored = std::min(output_length() - position, length); - xor_buf(&state[position], input, xored); - position += xored; - - if(position < output_length()) - return; - - e->encrypt(state); - input += xored; - length -= xored; - while(length >= output_length()) - { - xor_buf(state, input, output_length()); - e->encrypt(state); - input += output_length(); - length -= output_length(); - } - - xor_buf(state, input, length); - position = length; - } - -/* -* Finalize an CBC-MAC Calculation -*/ -void CBC_MAC::final_result(byte mac[]) - { - if(position) - e->encrypt(state); - - copy_mem(mac, &state[0], state.size()); - zeroise(state); - position = 0; - } - -/* -* CBC-MAC Key Schedule -*/ -void CBC_MAC::key_schedule(const byte key[], size_t length) - { - e->set_key(key, length); - } - -/* -* Clear memory of sensitive data -*/ -void CBC_MAC::clear() - { - e->clear(); - zeroise(state); - position = 0; - } - -/* -* Return the name of this type -*/ -std::string CBC_MAC::name() const - { - return "CBC-MAC(" + e->name() + ")"; - } - -/* -* Return a clone of this object -*/ -MessageAuthenticationCode* CBC_MAC::clone() const - { - return new CBC_MAC(e->clone()); - } - -/* -* CBC-MAC Constructor -*/ -CBC_MAC::CBC_MAC(BlockCipher* e_in) : - e(e_in), state(e->block_size()) - { - position = 0; - } - -/* -* CBC-MAC Destructor -*/ -CBC_MAC::~CBC_MAC() - { - delete e; - } - -} |