diff options
Diffstat (limited to 'libtomcrypt/src/ciphers/twofish/twofish.c')
| -rw-r--r-- | libtomcrypt/src/ciphers/twofish/twofish.c | 50 |
1 files changed, 25 insertions, 25 deletions
diff --git a/libtomcrypt/src/ciphers/twofish/twofish.c b/libtomcrypt/src/ciphers/twofish/twofish.c index 8f81bdd..624dadf 100644 --- a/libtomcrypt/src/ciphers/twofish/twofish.c +++ b/libtomcrypt/src/ciphers/twofish/twofish.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + * Tom St Denis, tomstdenis@gmail.com, http://libtom.org */ /** @@ -15,12 +15,12 @@ */ #include "tomcrypt.h" -#ifdef TWOFISH +#ifdef LTC_TWOFISH -/* first TWOFISH_ALL_TABLES must ensure TWOFISH_TABLES is defined */ -#ifdef TWOFISH_ALL_TABLES -#ifndef TWOFISH_TABLES -#define TWOFISH_TABLES +/* first LTC_TWOFISH_ALL_TABLES must ensure LTC_TWOFISH_TABLES is defined */ +#ifdef LTC_TWOFISH_ALL_TABLES +#ifndef LTC_TWOFISH_TABLES +#define LTC_TWOFISH_TABLES #endif #endif @@ -68,7 +68,7 @@ static const unsigned char qord[4][5] = { { 1, 0, 1, 1, 0 } }; -#ifdef TWOFISH_TABLES +#ifdef LTC_TWOFISH_TABLES #include "twofish_tab.c" @@ -142,7 +142,7 @@ static ulong32 sbox(int i, ulong32 x) } #endif /* LTC_CLEAN_STACK */ -#endif /* TWOFISH_TABLES */ +#endif /* LTC_TWOFISH_TABLES */ /* computes ab mod p */ static ulong32 gf_mult(ulong32 a, ulong32 b, ulong32 p) @@ -167,7 +167,7 @@ static ulong32 gf_mult(ulong32 a, ulong32 b, ulong32 p) } /* computes [y0 y1 y2 y3] = MDS . [x0] */ -#ifndef TWOFISH_TABLES +#ifndef LTC_TWOFISH_TABLES static ulong32 mds_column_mult(unsigned char in, int col) { ulong32 x01, x5B, xEF; @@ -202,11 +202,11 @@ static ulong32 mds_column_mult(unsigned char in, int col) return 0; } -#else /* !TWOFISH_TABLES */ +#else /* !LTC_TWOFISH_TABLES */ #define mds_column_mult(x, i) mds_tab[i][x] -#endif /* TWOFISH_TABLES */ +#endif /* LTC_TWOFISH_TABLES */ /* Computes [y0 y1 y2 y3] = MDS . [x0 x1 x2 x3] */ static void mds_mult(const unsigned char *in, unsigned char *out) @@ -219,7 +219,7 @@ static void mds_mult(const unsigned char *in, unsigned char *out) STORE32L(tmp, out); } -#ifdef TWOFISH_ALL_TABLES +#ifdef LTC_TWOFISH_ALL_TABLES /* computes [y0 y1 y2 y3] = RS . [x0 x1 x2 x3 x4 x5 x6 x7] */ static void rs_mult(const unsigned char *in, unsigned char *out) { @@ -229,7 +229,7 @@ static void rs_mult(const unsigned char *in, unsigned char *out) STORE32L(tmp, out); } -#else /* !TWOFISH_ALL_TABLES */ +#else /* !LTC_TWOFISH_ALL_TABLES */ /* computes [y0 y1 y2 y3] = RS . [x0 x1 x2 x3 x4 x5 x6 x7] */ static void rs_mult(const unsigned char *in, unsigned char *out) @@ -273,7 +273,7 @@ static void h_func(const unsigned char *in, unsigned char *out, unsigned char *M mds_mult(y, out); } -#ifndef TWOFISH_SMALL +#ifndef LTC_TWOFISH_SMALL /* for GCC we don't use pointer aliases */ #if defined(__GNUC__) @@ -332,7 +332,7 @@ static ulong32 g_func(ulong32 x, symmetric_key *key) } #endif /* LTC_CLEAN_STACK */ -#endif /* TWOFISH_SMALL */ +#endif /* LTC_TWOFISH_SMALL */ /** Initialize the Twofish block cipher @@ -348,7 +348,7 @@ static int _twofish_setup(const unsigned char *key, int keylen, int num_rounds, int twofish_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey) #endif { -#ifndef TWOFISH_SMALL +#ifndef LTC_TWOFISH_SMALL unsigned char S[4*4], tmpx0, tmpx1; #endif int k, x, y; @@ -376,7 +376,7 @@ int twofish_setup(const unsigned char *key, int keylen, int num_rounds, symmetri } /* create the S[..] words */ -#ifndef TWOFISH_SMALL +#ifndef LTC_TWOFISH_SMALL for (x = 0; x < k; x++) { rs_mult(M+(x*8), S+(x*4)); } @@ -410,7 +410,7 @@ int twofish_setup(const unsigned char *key, int keylen, int num_rounds, symmetri skey->twofish.K[x+x+1] = ROLc(B + B + A, 9); } -#ifndef TWOFISH_SMALL +#ifndef LTC_TWOFISH_SMALL /* make the sboxes (large ram variant) */ if (k == 2) { for (x = 0; x < 256; x++) { @@ -477,7 +477,7 @@ int twofish_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_ke { ulong32 a,b,c,d,ta,tb,tc,td,t1,t2, *k; int r; -#if !defined(TWOFISH_SMALL) && !defined(__GNUC__) +#if !defined(LTC_TWOFISH_SMALL) && !defined(__GNUC__) ulong32 *S1, *S2, *S3, *S4; #endif @@ -485,7 +485,7 @@ int twofish_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_ke LTC_ARGCHK(ct != NULL); LTC_ARGCHK(skey != NULL); -#if !defined(TWOFISH_SMALL) && !defined(__GNUC__) +#if !defined(LTC_TWOFISH_SMALL) && !defined(__GNUC__) S1 = skey->twofish.S[0]; S2 = skey->twofish.S[1]; S3 = skey->twofish.S[2]; @@ -550,7 +550,7 @@ int twofish_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_ke { ulong32 a,b,c,d,ta,tb,tc,td,t1,t2, *k; int r; -#if !defined(TWOFISH_SMALL) && !defined(__GNUC__) +#if !defined(LTC_TWOFISH_SMALL) && !defined(__GNUC__) ulong32 *S1, *S2, *S3, *S4; #endif @@ -558,7 +558,7 @@ int twofish_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_ke LTC_ARGCHK(ct != NULL); LTC_ARGCHK(skey != NULL); -#if !defined(TWOFISH_SMALL) && !defined(__GNUC__) +#if !defined(LTC_TWOFISH_SMALL) && !defined(__GNUC__) S1 = skey->twofish.S[0]; S2 = skey->twofish.S[1]; S3 = skey->twofish.S[2]; @@ -714,6 +714,6 @@ int twofish_keysize(int *keysize) -/* $Source: /cvs/libtom/libtomcrypt/src/ciphers/twofish/twofish.c,v $ */ -/* $Revision: 1.14 $ */ -/* $Date: 2006/12/04 21:34:03 $ */ +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ |