diff options
Diffstat (limited to 'src/block/kasumi/kasumi.cpp')
| -rw-r--r-- | src/block/kasumi/kasumi.cpp | 40 |
1 files changed, 21 insertions, 19 deletions
diff --git a/src/block/kasumi/kasumi.cpp b/src/block/kasumi/kasumi.cpp index 4be6c41a8..3887271a9 100644 --- a/src/block/kasumi/kasumi.cpp +++ b/src/block/kasumi/kasumi.cpp @@ -1,7 +1,9 @@ -/************************************************* -* KASUMI Source File * -* (C) 1999-2007 Jack Lloyd * -*************************************************/ +/* +* KASUMI +* (C) 1999-2007 Jack Lloyd +* +* Distributed under the terms of the Botan license +*/ #include <botan/kasumi.h> #include <botan/loadstor.h> @@ -11,9 +13,9 @@ namespace Botan { namespace { -/************************************************* -* KASUMI S-Boxes * -*************************************************/ +/* +* KASUMI S-Boxes +*/ const byte KASUMI_SBOX_S7[128] = { 0x36, 0x32, 0x3E, 0x38, 0x16, 0x22, 0x5E, 0x60, 0x26, 0x06, 0x3F, 0x5D, 0x02, 0x12, 0x7B, 0x21, 0x37, 0x71, 0x27, 0x72, 0x15, 0x43, 0x41, 0x0C, @@ -86,9 +88,9 @@ const u16bit KASUMI_SBOX_S9[512] = { 0x017C, 0x002B, 0x0042, 0x003C, 0x01C7, 0x0155, 0x01BD, 0x00CA, 0x01B0, 0x0008, 0x00ED, 0x000F, 0x0178, 0x01B4, 0x01D0, 0x003B, 0x01CD }; -/************************************************* -* KASUMI FI Function * -*************************************************/ +/* +* KASUMI FI Function +*/ u16bit FI(u16bit I, u16bit K) { u16bit D9 = (I >> 7); @@ -104,9 +106,9 @@ u16bit FI(u16bit I, u16bit K) } -/************************************************* -* KASUMI Encryption * -*************************************************/ +/* +* KASUMI Encryption +*/ void KASUMI::enc(const byte in[], byte out[]) const { u16bit B0 = load_be<u16bit>(in, 0); @@ -142,9 +144,9 @@ void KASUMI::enc(const byte in[], byte out[]) const store_be(out, B0, B1, B2, B3); } -/************************************************* -* KASUMI Decryption * -*************************************************/ +/* +* KASUMI Decryption +*/ void KASUMI::dec(const byte in[], byte out[]) const { u16bit B0 = load_be<u16bit>(in, 0); @@ -182,9 +184,9 @@ void KASUMI::dec(const byte in[], byte out[]) const store_be(out, B0, B1, B2, B3); } -/************************************************* -* KASUMI Key Schedule * -*************************************************/ +/* +* KASUMI Key Schedule +*/ void KASUMI::key_schedule(const byte key[], u32bit) { static const u16bit RC[] = { 0x0123, 0x4567, 0x89AB, 0xCDEF, |