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-rw-r--r--src/cipher/noekeon/noekeon.cpp196
1 files changed, 0 insertions, 196 deletions
diff --git a/src/cipher/noekeon/noekeon.cpp b/src/cipher/noekeon/noekeon.cpp
deleted file mode 100644
index 437972fe5..000000000
--- a/src/cipher/noekeon/noekeon.cpp
+++ /dev/null
@@ -1,196 +0,0 @@
-/*************************************************
-* Noekeon Source File *
-* (C) 1999-2008 Jack Lloyd *
-*************************************************/
-
-#include <botan/noekeon.h>
-#include <botan/loadstor.h>
-#include <botan/bit_ops.h>
-
-namespace Botan {
-
-namespace {
-
-/*************************************************
-* Noekeon's Theta Operation *
-*************************************************/
-inline void theta(u32bit& A0, u32bit& A1,
- u32bit& A2, u32bit& A3,
- const u32bit EK[4])
- {
- u32bit T = A0 ^ A2;
- T ^= rotate_left(T, 8) ^ rotate_right(T, 8);
- A1 ^= T;
- A3 ^= T;
-
- A0 ^= EK[0];
- A1 ^= EK[1];
- A2 ^= EK[2];
- A3 ^= EK[3];
-
- T = A1 ^ A3;
- T ^= rotate_left(T, 8) ^ rotate_right(T, 8);
- A0 ^= T;
- A2 ^= T;
- }
-
-/*************************************************
-* Theta With Null Key *
-*************************************************/
-inline void theta(u32bit& A0, u32bit& A1,
- u32bit& A2, u32bit& A3)
- {
- u32bit T = A0 ^ A2;
- T ^= rotate_left(T, 8) ^ rotate_right(T, 8);
- A1 ^= T;
- A3 ^= T;
-
- T = A1 ^ A3;
- T ^= rotate_left(T, 8) ^ rotate_right(T, 8);
- A0 ^= T;
- A2 ^= T;
- }
-
-/*************************************************
-* Noekeon's Gamma S-Box Layer *
-*************************************************/
-inline void gamma(u32bit& A0, u32bit& A1, u32bit& A2, u32bit& A3)
- {
- A1 ^= ~A3 & ~A2;
- A0 ^= A2 & A1;
-
- u32bit T = A3;
- A3 = A0;
- A0 = T;
-
- A2 ^= A0 ^ A1 ^ A3;
-
- A1 ^= ~A3 & ~A2;
- A0 ^= A2 & A1;
- }
-
-}
-
-/*************************************************
-* Noekeon Round Constants *
-*************************************************/
-const byte Noekeon::RC[] = {
- 0x80, 0x1B, 0x36, 0x6C, 0xD8, 0xAB, 0x4D, 0x9A,
- 0x2F, 0x5E, 0xBC, 0x63, 0xC6, 0x97, 0x35, 0x6A,
- 0xD4 };
-
-/*************************************************
-* Noekeon Encryption *
-*************************************************/
-void Noekeon::enc(const byte in[], byte out[]) const
- {
- u32bit A0 = load_be<u32bit>(in, 0);
- u32bit A1 = load_be<u32bit>(in, 1);
- u32bit A2 = load_be<u32bit>(in, 2);
- u32bit A3 = load_be<u32bit>(in, 3);
-
- for(u32bit j = 0; j != 16; ++j)
- {
- A0 ^= RC[j];
- theta(A0, A1, A2, A3, EK);
-
- A1 = rotate_left(A1, 1);
- A2 = rotate_left(A2, 5);
- A3 = rotate_left(A3, 2);
-
- gamma(A0, A1, A2, A3);
-
- A1 = rotate_right(A1, 1);
- A2 = rotate_right(A2, 5);
- A3 = rotate_right(A3, 2);
- }
-
- A0 ^= RC[16];
- theta(A0, A1, A2, A3, EK);
-
- store_be(out, A0, A1, A2, A3);
- }
-
-/*************************************************
-* Noekeon Encryption *
-*************************************************/
-void Noekeon::dec(const byte in[], byte out[]) const
- {
- u32bit A0 = load_be<u32bit>(in, 0);
- u32bit A1 = load_be<u32bit>(in, 1);
- u32bit A2 = load_be<u32bit>(in, 2);
- u32bit A3 = load_be<u32bit>(in, 3);
-
- for(u32bit j = 16; j != 0; --j)
- {
- theta(A0, A1, A2, A3, DK);
- A0 ^= RC[j];
-
- A1 = rotate_left(A1, 1);
- A2 = rotate_left(A2, 5);
- A3 = rotate_left(A3, 2);
-
- gamma(A0, A1, A2, A3);
-
- A1 = rotate_right(A1, 1);
- A2 = rotate_right(A2, 5);
- A3 = rotate_right(A3, 2);
- }
-
- theta(A0, A1, A2, A3, DK);
- A0 ^= RC[0];
-
- store_be(out, A0, A1, A2, A3);
- }
-
-/*************************************************
-* Noekeon Key Schedule *
-*************************************************/
-void Noekeon::key(const byte key[], u32bit)
- {
- u32bit A0 = load_be<u32bit>(key, 0);
- u32bit A1 = load_be<u32bit>(key, 1);
- u32bit A2 = load_be<u32bit>(key, 2);
- u32bit A3 = load_be<u32bit>(key, 3);
-
- for(u32bit j = 0; j != 16; ++j)
- {
- A0 ^= RC[j];
- theta(A0, A1, A2, A3);
-
- A1 = rotate_left(A1, 1);
- A2 = rotate_left(A2, 5);
- A3 = rotate_left(A3, 2);
-
- gamma(A0, A1, A2, A3);
-
- A1 = rotate_right(A1, 1);
- A2 = rotate_right(A2, 5);
- A3 = rotate_right(A3, 2);
- }
-
- A0 ^= RC[16];
-
- DK[0] = A0;
- DK[1] = A1;
- DK[2] = A2;
- DK[3] = A3;
-
- theta(A0, A1, A2, A3);
-
- EK[0] = A0;
- EK[1] = A1;
- EK[2] = A2;
- EK[3] = A3;
- }
-
-/*************************************************
-* Clear memory of sensitive data *
-*************************************************/
-void Noekeon::clear() throw()
- {
- EK.clear();
- DK.clear();
- }
-
-}