diff options
Diffstat (limited to 'src/mac/cmac')
| -rw-r--r-- | src/mac/cmac/cmac.cpp | 64 | ||||
| -rw-r--r-- | src/mac/cmac/cmac.h | 16 |
2 files changed, 42 insertions, 38 deletions
diff --git a/src/mac/cmac/cmac.cpp b/src/mac/cmac/cmac.cpp index bd3f174c1..84aa61e03 100644 --- a/src/mac/cmac/cmac.cpp +++ b/src/mac/cmac/cmac.cpp @@ -1,16 +1,18 @@ -/************************************************* -* CMAC Source File * -* (C) 1999-2007 Jack Lloyd * -*************************************************/ +/* +* 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) * -*************************************************/ +/* +* Perform CMAC's multiplication in GF(2^n) +*/ SecureVector<byte> CMAC::poly_double(const MemoryRegion<byte>& in, byte polynomial) { @@ -32,9 +34,9 @@ SecureVector<byte> CMAC::poly_double(const MemoryRegion<byte>& in, return out; } -/************************************************* -* Update an CMAC Calculation * -*************************************************/ +/* +* Update an CMAC Calculation +*/ void CMAC::add_data(const byte input[], u32bit length) { buffer.copy(position, input, length); @@ -57,9 +59,9 @@ void CMAC::add_data(const byte input[], u32bit length) position += length; } -/************************************************* -* Finalize an CMAC Calculation * -*************************************************/ +/* +* Finalize an CMAC Calculation +*/ void CMAC::final_result(byte mac[]) { xor_buf(state, buffer, position); @@ -84,9 +86,9 @@ void CMAC::final_result(byte mac[]) position = 0; } -/************************************************* -* CMAC Key Schedule * -*************************************************/ +/* +* CMAC Key Schedule +*/ void CMAC::key_schedule(const byte key[], u32bit length) { clear(); @@ -96,9 +98,9 @@ void CMAC::key_schedule(const byte key[], u32bit length) P = poly_double(B, polynomial); } -/************************************************* -* Clear memory of sensitive data * -*************************************************/ +/* +* Clear memory of sensitive data +*/ void CMAC::clear() throw() { e->clear(); @@ -109,25 +111,25 @@ void CMAC::clear() throw() position = 0; } -/************************************************* -* Return the name of this type * -*************************************************/ +/* +* Return the name of this type +*/ std::string CMAC::name() const { return "CMAC(" + e->name() + ")"; } -/************************************************* -* Return a clone of this object * -*************************************************/ +/* +* Return a clone of this object +*/ MessageAuthenticationCode* CMAC::clone() const { return new CMAC(e->clone()); } -/************************************************* -* CMAC Constructor * -*************************************************/ +/* +* CMAC Constructor +*/ CMAC::CMAC(BlockCipher* e_in) : MessageAuthenticationCode(e_in->BLOCK_SIZE, e_in->MINIMUM_KEYLENGTH, @@ -149,9 +151,9 @@ CMAC::CMAC(BlockCipher* e_in) : position = 0; } -/************************************************* -* CMAC Destructor * -*************************************************/ +/* +* CMAC Destructor +*/ CMAC::~CMAC() { delete e; diff --git a/src/mac/cmac/cmac.h b/src/mac/cmac/cmac.h index 9f745ee22..5a6deb7b0 100644 --- a/src/mac/cmac/cmac.h +++ b/src/mac/cmac/cmac.h @@ -1,7 +1,9 @@ -/************************************************* -* CMAC Header File * -* (C) 1999-2007 Jack Lloyd * -*************************************************/ +/* +* CMAC +* (C) 1999-2007 Jack Lloyd +* +* Distributed under the terms of the Botan license +*/ #ifndef BOTAN_CMAC_H__ #define BOTAN_CMAC_H__ @@ -11,9 +13,9 @@ namespace Botan { -/************************************************* -* CMAC * -*************************************************/ +/* +* CMAC +*/ class BOTAN_DLL CMAC : public MessageAuthenticationCode { public: |