diff options
Diffstat (limited to 'src/block/square')
| -rw-r--r-- | src/block/square/sqr_tab.cpp | 10 | ||||
| -rw-r--r-- | src/block/square/square.cpp | 40 | ||||
| -rw-r--r-- | src/block/square/square.h | 16 |
3 files changed, 36 insertions, 30 deletions
diff --git a/src/block/square/sqr_tab.cpp b/src/block/square/sqr_tab.cpp index 248ace4cd..331bf3ea1 100644 --- a/src/block/square/sqr_tab.cpp +++ b/src/block/square/sqr_tab.cpp @@ -1,7 +1,9 @@ -/************************************************* -* S-Box and Diffusion Tables for Square * -* (C) 1999-2007 Jack Lloyd * -*************************************************/ +/* +* S-Box and Diffusion Tables for Square +* (C) 1999-2007 Jack Lloyd +* +* Distributed under the terms of the Botan license +*/ #include <botan/square.h> diff --git a/src/block/square/square.cpp b/src/block/square/square.cpp index 44fb26bfd..5aaef6ee4 100644 --- a/src/block/square/square.cpp +++ b/src/block/square/square.cpp @@ -1,7 +1,9 @@ -/************************************************* -* Square Source File * -* (C) 1999-2007 Jack Lloyd * -*************************************************/ +/* +* Square +* (C) 1999-2007 Jack Lloyd +* +* Distributed under the terms of the Botan license +*/ #include <botan/square.h> #include <botan/loadstor.h> @@ -9,9 +11,9 @@ namespace Botan { -/************************************************* -* Square Encryption * -*************************************************/ +/* +* Square Encryption +*/ void Square::enc(const byte in[], byte out[]) const { u32bit T0, T1, T2, T3, B0, B1, B2, B3; @@ -60,9 +62,9 @@ void Square::enc(const byte in[], byte out[]) const out[15] = SE[get_byte(3, B3)] ^ ME[31]; } -/************************************************* -* Square Decryption * -*************************************************/ +/* +* Square Decryption +*/ void Square::dec(const byte in[], byte out[]) const { u32bit T0, T1, T2, T3, B0, B1, B2, B3; @@ -111,9 +113,9 @@ void Square::dec(const byte in[], byte out[]) const out[15] = SD[get_byte(3, B3)] ^ MD[31]; } -/************************************************* -* Square Key Schedule * -*************************************************/ +/* +* Square Key Schedule +*/ void Square::key_schedule(const byte key[], u32bit) { SecureBuffer<u32bit, 36> XEK, XDK; @@ -140,9 +142,9 @@ void Square::key_schedule(const byte key[], u32bit) DK.copy(XDK + 4, 28); } -/************************************************* -* Square's Inverse Linear Transformation * -*************************************************/ +/* +* Square's Inverse Linear Transformation +*/ void Square::transform(u32bit round_key[4]) { static const byte G[4][4] = { @@ -171,9 +173,9 @@ void Square::transform(u32bit round_key[4]) } } -/************************************************* -* Clear memory of sensitive data * -*************************************************/ +/* +* Clear memory of sensitive data +*/ void Square::clear() throw() { EK.clear(); diff --git a/src/block/square/square.h b/src/block/square/square.h index 4c4d89100..94a1fc370 100644 --- a/src/block/square/square.h +++ b/src/block/square/square.h @@ -1,7 +1,9 @@ -/************************************************* -* Square Header File * -* (C) 1999-2007 Jack Lloyd * -*************************************************/ +/* +* Square +* (C) 1999-2007 Jack Lloyd +* +* Distributed under the terms of the Botan license +*/ #ifndef BOTAN_SQUARE_H__ #define BOTAN_SQUARE_H__ @@ -10,9 +12,9 @@ namespace Botan { -/************************************************* -* Square * -*************************************************/ +/* +* Square +*/ class BOTAN_DLL Square : public BlockCipher { public: |