diff options
Diffstat (limited to 'src/lib/crypto/builtin/aes/aestab.c')
| -rw-r--r-- | src/lib/crypto/builtin/aes/aestab.c | 38 |
1 files changed, 19 insertions, 19 deletions
diff --git a/src/lib/crypto/builtin/aes/aestab.c b/src/lib/crypto/builtin/aes/aestab.c index 7a5d69f7d..790288746 100644 --- a/src/lib/crypto/builtin/aes/aestab.c +++ b/src/lib/crypto/builtin/aes/aestab.c @@ -5,23 +5,23 @@ LICENSE TERMS - The free distribution and use of this software in both source and binary + The free distribution and use of this software in both source and binary form is allowed (with or without changes) provided that: - 1. distributions of this source code include the above copyright + 1. distributions of this source code include the above copyright notice, this list of conditions and the following disclaimer; 2. distributions in binary form include the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other associated materials; - 3. the copyright holder's name is not used to endorse products - built using this software without specific written permission. + 3. the copyright holder's name is not used to endorse products + built using this software without specific written permission. DISCLAIMER This software is provided 'as is' with no explcit or implied warranties - in respect of any properties, including, but not limited to, correctness + in respect of any properties, including, but not limited to, correctness and fitness for purpose. ------------------------------------------------------------------------- Issue Date: 07/02/2002 @@ -29,7 +29,7 @@ #include "aesopt.h" -#if defined(FIXED_TABLES) || !defined(FF_TABLES) +#if defined(FIXED_TABLES) || !defined(FF_TABLES) /* finite field arithmetic operations */ @@ -151,7 +151,7 @@ #define h0(x) (x) -/* These defines are used to ensure tables are generated in the +/* These defines are used to ensure tables are generated in the right format depending on the internal byte order required */ @@ -209,7 +209,7 @@ const uint8_t inv_s_box[256] = { isb_data(h0) }; const uint32_t ft_tab[256] = { sb_data(u0) }; #endif #ifdef FT4_SET -const uint32_t ft_tab[4][256] = +const uint32_t ft_tab[4][256] = { { sb_data(u0) }, { sb_data(u1) }, { sb_data(u2) }, { sb_data(u3) } }; #endif @@ -217,7 +217,7 @@ const uint32_t ft_tab[4][256] = const uint32_t fl_tab[256] = { sb_data(w0) }; #endif #ifdef FL4_SET -const uint32_t fl_tab[4][256] = +const uint32_t fl_tab[4][256] = { { sb_data(w0) }, { sb_data(w1) }, { sb_data(w2) }, { sb_data(w3) } }; #endif @@ -233,7 +233,7 @@ const uint32_t it_tab[4][256] = const uint32_t il_tab[256] = { isb_data(w0) }; #endif #ifdef IL4_SET -const uint32_t il_tab[4][256] = +const uint32_t il_tab[4][256] = { { isb_data(w0) }, { isb_data(w1) }, { isb_data(w2) }, { isb_data(w3) } }; #endif @@ -249,7 +249,7 @@ const uint32_t ls_tab[4][256] = const uint32_t im_tab[256] = { mm_data(v0) }; #endif #ifdef IM4_SET -const uint32_t im_tab[4][256] = +const uint32_t im_tab[4][256] = { { mm_data(v0) }, { mm_data(v1) }, { mm_data(v2) }, { mm_data(v3) } }; #endif @@ -314,8 +314,8 @@ uint32_t im_tab[4][256]; /* Generate the tables for the dynamic table option - It will generally be sensible to use tables to compute finite - field multiplies and inverses but where memory is scarse this + It will generally be sensible to use tables to compute finite + field multiplies and inverses but where memory is scarse this code might sometimes be better. But it only has effect during initialisation so its pretty unimportant in overall terms. */ @@ -327,7 +327,7 @@ uint32_t im_tab[4][256]; static uint8_t hibit(const uint32_t x) { uint8_t r = (uint8_t)((x >> 1) | (x >> 2)); - + r |= (r >> 2); r |= (r >> 4); return (r + 1) >> 1; @@ -345,14 +345,14 @@ static uint8_t fi(const uint8_t x) if(!n1) return v1; while(n2 >= n1) - { + { n2 /= n1; p2 ^= p1 * n2; v2 ^= v1 * n2; n2 = hibit(p2); } - + if(!n2) return v2; while(n1 >= n2) - { + { n1 /= n2; p1 ^= p2 * n1; v1 ^= v2 * n1; n1 = hibit(p1); } } @@ -392,9 +392,9 @@ void gen_tabs(void) root is 0x03, used here to generate the tables */ - i = 0; w = 1; + i = 0; w = 1; do - { + { pow[i] = (uint8_t)w; pow[i + 255] = (uint8_t)w; log[w] = (uint8_t)i++; |