diff options
Diffstat (limited to 'src/block/rc5/rc5.cpp')
| -rw-r--r-- | src/block/rc5/rc5.cpp | 40 |
1 files changed, 21 insertions, 19 deletions
diff --git a/src/block/rc5/rc5.cpp b/src/block/rc5/rc5.cpp index c4e4bf9b0..57219f413 100644 --- a/src/block/rc5/rc5.cpp +++ b/src/block/rc5/rc5.cpp @@ -1,7 +1,9 @@ -/************************************************* -* RC5 Source File * -* (C) 1999-2007 Jack Lloyd * -*************************************************/ +/* +* RC5 +* (C) 1999-2007 Jack Lloyd +* +* Distributed under the terms of the Botan license +*/ #include <botan/rc5.h> #include <botan/loadstor.h> @@ -11,9 +13,9 @@ namespace Botan { -/************************************************* -* RC5 Encryption * -*************************************************/ +/* +* RC5 Encryption +*/ void RC5::enc(const byte in[], byte out[]) const { u32bit A = load_le<u32bit>(in, 0), B = load_le<u32bit>(in, 1); @@ -34,9 +36,9 @@ void RC5::enc(const byte in[], byte out[]) const store_le(out, A, B); } -/************************************************* -* RC5 Decryption * -*************************************************/ +/* +* RC5 Decryption +*/ void RC5::dec(const byte in[], byte out[]) const { u32bit A = load_le<u32bit>(in, 0), B = load_le<u32bit>(in, 1); @@ -57,9 +59,9 @@ void RC5::dec(const byte in[], byte out[]) const store_le(out, A, B); } -/************************************************* -* RC5 Key Schedule * -*************************************************/ +/* +* RC5 Key Schedule +*/ void RC5::key_schedule(const byte key[], u32bit length) { const u32bit WORD_KEYLENGTH = (((length - 1) / 4) + 1), @@ -80,17 +82,17 @@ void RC5::key_schedule(const byte key[], u32bit length) } } -/************************************************* -* Return the name of this type * -*************************************************/ +/* +* Return the name of this type +*/ std::string RC5::name() const { return "RC5(" + to_string(ROUNDS) + ")"; } -/************************************************* -* RC5 Constructor * -*************************************************/ +/* +* RC5 Constructor +*/ RC5::RC5(u32bit r) : BlockCipher(8, 1, 32), ROUNDS(r) { if(ROUNDS < 8 || ROUNDS > 32 || (ROUNDS % 4 != 0)) |