diff options
Diffstat (limited to 'src/block/safer/safer_sk.cpp')
| -rw-r--r-- | src/block/safer/safer_sk.cpp | 46 |
1 files changed, 24 insertions, 22 deletions
diff --git a/src/block/safer/safer_sk.cpp b/src/block/safer/safer_sk.cpp index 00e57e2a4..b774c91b4 100644 --- a/src/block/safer/safer_sk.cpp +++ b/src/block/safer/safer_sk.cpp @@ -1,7 +1,9 @@ -/************************************************* -* SAFER-SK Source File * -* (C) 1999-2007 Jack Lloyd * -*************************************************/ +/* +* SAFER-SK +* (C) 1999-2007 Jack Lloyd +* +* Distributed under the terms of the Botan license +*/ #include <botan/safer_sk.h> #include <botan/bit_ops.h> @@ -10,9 +12,9 @@ namespace Botan { -/************************************************* -* SAFER-SK Encryption * -*************************************************/ +/* +* SAFER-SK Encryption +*/ void SAFER_SK::enc(const byte in[], byte out[]) const { byte A = in[0], B = in[1], C = in[2], D = in[3], @@ -36,9 +38,9 @@ void SAFER_SK::enc(const byte in[], byte out[]) const out[6] = G + EK[16*ROUNDS+6]; out[7] = H ^ EK[16*ROUNDS+7]; } -/************************************************* -* SAFER-SK Decryption * -*************************************************/ +/* +* SAFER-SK Decryption +*/ void SAFER_SK::dec(const byte in[], byte out[]) const { byte A = in[0], B = in[1], C = in[2], D = in[3], @@ -63,9 +65,9 @@ void SAFER_SK::dec(const byte in[], byte out[]) const out[4] = E; out[5] = F; out[6] = G; out[7] = H; } -/************************************************* -* SAFER-SK Key Schedule * -*************************************************/ +/* +* SAFER-SK Key Schedule +*/ void SAFER_SK::key_schedule(const byte key[], u32bit) { SecureBuffer<byte, 18> KB; @@ -84,25 +86,25 @@ void SAFER_SK::key_schedule(const byte key[], u32bit) } } -/************************************************* -* Return the name of this type * -*************************************************/ +/* +* Return the name of this type +*/ std::string SAFER_SK::name() const { return "SAFER-SK(" + to_string(ROUNDS) + ")"; } -/************************************************* -* Return a clone of this object * -*************************************************/ +/* +* Return a clone of this object +*/ BlockCipher* SAFER_SK::clone() const { return new SAFER_SK(ROUNDS); } -/************************************************* -* SAFER-SK Constructor * -*************************************************/ +/* +* SAFER-SK Constructor +*/ SAFER_SK::SAFER_SK(u32bit rounds) : BlockCipher(8, 16), EK(16 * rounds + 8), ROUNDS(rounds) { |