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bmw.c
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/* $Id: bmw.c 227 2010-06-16 17:28:38Z tp $ */
/*
* BMW implementation.
*
* ==========================(LICENSE BEGIN)============================
*
* Copyright (c) 2007-2010 Projet RNRT SAPHIR
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* ===========================(LICENSE END)=============================
*
* @author Thomas Pornin <[email protected]>
*/
#include <stddef.h>
#include <string.h>
#include <limits.h>
#include "sph_bmw.h"
#if SPH_SMALL_FOOTPRINT && !defined SPH_SMALL_FOOTPRINT_BMW
#define SPH_SMALL_FOOTPRINT_BMW 1
#endif
#ifdef _MSC_VER
#pragma warning (disable: 4146)
#endif
static const sph_u32 IV224[] = {
SPH_C32(0x00010203), SPH_C32(0x04050607),
SPH_C32(0x08090A0B), SPH_C32(0x0C0D0E0F),
SPH_C32(0x10111213), SPH_C32(0x14151617),
SPH_C32(0x18191A1B), SPH_C32(0x1C1D1E1F),
SPH_C32(0x20212223), SPH_C32(0x24252627),
SPH_C32(0x28292A2B), SPH_C32(0x2C2D2E2F),
SPH_C32(0x30313233), SPH_C32(0x34353637),
SPH_C32(0x38393A3B), SPH_C32(0x3C3D3E3F)
};
static const sph_u32 IV256[] = {
SPH_C32(0x40414243), SPH_C32(0x44454647),
SPH_C32(0x48494A4B), SPH_C32(0x4C4D4E4F),
SPH_C32(0x50515253), SPH_C32(0x54555657),
SPH_C32(0x58595A5B), SPH_C32(0x5C5D5E5F),
SPH_C32(0x60616263), SPH_C32(0x64656667),
SPH_C32(0x68696A6B), SPH_C32(0x6C6D6E6F),
SPH_C32(0x70717273), SPH_C32(0x74757677),
SPH_C32(0x78797A7B), SPH_C32(0x7C7D7E7F)
};
#if SPH_64
static const sph_u64 IV384[] = {
SPH_C64(0x0001020304050607), SPH_C64(0x08090A0B0C0D0E0F),
SPH_C64(0x1011121314151617), SPH_C64(0x18191A1B1C1D1E1F),
SPH_C64(0x2021222324252627), SPH_C64(0x28292A2B2C2D2E2F),
SPH_C64(0x3031323334353637), SPH_C64(0x38393A3B3C3D3E3F),
SPH_C64(0x4041424344454647), SPH_C64(0x48494A4B4C4D4E4F),
SPH_C64(0x5051525354555657), SPH_C64(0x58595A5B5C5D5E5F),
SPH_C64(0x6061626364656667), SPH_C64(0x68696A6B6C6D6E6F),
SPH_C64(0x7071727374757677), SPH_C64(0x78797A7B7C7D7E7F)
};
static const sph_u64 IV512[] = {
SPH_C64(0x8081828384858687), SPH_C64(0x88898A8B8C8D8E8F),
SPH_C64(0x9091929394959697), SPH_C64(0x98999A9B9C9D9E9F),
SPH_C64(0xA0A1A2A3A4A5A6A7), SPH_C64(0xA8A9AAABACADAEAF),
SPH_C64(0xB0B1B2B3B4B5B6B7), SPH_C64(0xB8B9BABBBCBDBEBF),
SPH_C64(0xC0C1C2C3C4C5C6C7), SPH_C64(0xC8C9CACBCCCDCECF),
SPH_C64(0xD0D1D2D3D4D5D6D7), SPH_C64(0xD8D9DADBDCDDDEDF),
SPH_C64(0xE0E1E2E3E4E5E6E7), SPH_C64(0xE8E9EAEBECEDEEEF),
SPH_C64(0xF0F1F2F3F4F5F6F7), SPH_C64(0xF8F9FAFBFCFDFEFF)
};
#endif
#define XCAT(x, y) XCAT_(x, y)
#define XCAT_(x, y) x ## y
#define LPAR (
#define I16_16 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
#define I16_17 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16
#define I16_18 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17
#define I16_19 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18
#define I16_20 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19
#define I16_21 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20
#define I16_22 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21
#define I16_23 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22
#define I16_24 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23
#define I16_25 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
#define I16_26 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25
#define I16_27 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26
#define I16_28 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27
#define I16_29 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28
#define I16_30 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29
#define I16_31 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30
#define M16_16 0, 1, 3, 4, 7, 10, 11
#define M16_17 1, 2, 4, 5, 8, 11, 12
#define M16_18 2, 3, 5, 6, 9, 12, 13
#define M16_19 3, 4, 6, 7, 10, 13, 14
#define M16_20 4, 5, 7, 8, 11, 14, 15
#define M16_21 5, 6, 8, 9, 12, 15, 16
#define M16_22 6, 7, 9, 10, 13, 0, 1
#define M16_23 7, 8, 10, 11, 14, 1, 2
#define M16_24 8, 9, 11, 12, 15, 2, 3
#define M16_25 9, 10, 12, 13, 0, 3, 4
#define M16_26 10, 11, 13, 14, 1, 4, 5
#define M16_27 11, 12, 14, 15, 2, 5, 6
#define M16_28 12, 13, 15, 16, 3, 6, 7
#define M16_29 13, 14, 0, 1, 4, 7, 8
#define M16_30 14, 15, 1, 2, 5, 8, 9
#define M16_31 15, 16, 2, 3, 6, 9, 10
#define ss0(x) (((x) >> 1) ^ SPH_T32((x) << 3) \
^ SPH_ROTL32(x, 4) ^ SPH_ROTL32(x, 19))
#define ss1(x) (((x) >> 1) ^ SPH_T32((x) << 2) \
^ SPH_ROTL32(x, 8) ^ SPH_ROTL32(x, 23))
#define ss2(x) (((x) >> 2) ^ SPH_T32((x) << 1) \
^ SPH_ROTL32(x, 12) ^ SPH_ROTL32(x, 25))
#define ss3(x) (((x) >> 2) ^ SPH_T32((x) << 2) \
^ SPH_ROTL32(x, 15) ^ SPH_ROTL32(x, 29))
#define ss4(x) (((x) >> 1) ^ (x))
#define ss5(x) (((x) >> 2) ^ (x))
#define rs1(x) SPH_ROTL32(x, 3)
#define rs2(x) SPH_ROTL32(x, 7)
#define rs3(x) SPH_ROTL32(x, 13)
#define rs4(x) SPH_ROTL32(x, 16)
#define rs5(x) SPH_ROTL32(x, 19)
#define rs6(x) SPH_ROTL32(x, 23)
#define rs7(x) SPH_ROTL32(x, 27)
#define Ks(j) SPH_T32((sph_u32)(j) * SPH_C32(0x05555555))
#define add_elt_s(mf, hf, j0m, j1m, j3m, j4m, j7m, j10m, j11m, j16) \
(SPH_T32(SPH_ROTL32(mf(j0m), j1m) + SPH_ROTL32(mf(j3m), j4m) \
- SPH_ROTL32(mf(j10m), j11m) + Ks(j16)) ^ hf(j7m))
#define expand1s_inner(qf, mf, hf, i16, \
i0, i1, i2, i3, i4, i5, i6, i7, i8, \
i9, i10, i11, i12, i13, i14, i15, \
i0m, i1m, i3m, i4m, i7m, i10m, i11m) \
SPH_T32(ss1(qf(i0)) + ss2(qf(i1)) + ss3(qf(i2)) + ss0(qf(i3)) \
+ ss1(qf(i4)) + ss2(qf(i5)) + ss3(qf(i6)) + ss0(qf(i7)) \
+ ss1(qf(i8)) + ss2(qf(i9)) + ss3(qf(i10)) + ss0(qf(i11)) \
+ ss1(qf(i12)) + ss2(qf(i13)) + ss3(qf(i14)) + ss0(qf(i15)) \
+ add_elt_s(mf, hf, i0m, i1m, i3m, i4m, i7m, i10m, i11m, i16))
#define expand1s(qf, mf, hf, i16) \
expand1s_(qf, mf, hf, i16, I16_ ## i16, M16_ ## i16)
#define expand1s_(qf, mf, hf, i16, ix, iy) \
expand1s_inner LPAR qf, mf, hf, i16, ix, iy)
#define expand2s_inner(qf, mf, hf, i16, \
i0, i1, i2, i3, i4, i5, i6, i7, i8, \
i9, i10, i11, i12, i13, i14, i15, \
i0m, i1m, i3m, i4m, i7m, i10m, i11m) \
SPH_T32(qf(i0) + rs1(qf(i1)) + qf(i2) + rs2(qf(i3)) \
+ qf(i4) + rs3(qf(i5)) + qf(i6) + rs4(qf(i7)) \
+ qf(i8) + rs5(qf(i9)) + qf(i10) + rs6(qf(i11)) \
+ qf(i12) + rs7(qf(i13)) + ss4(qf(i14)) + ss5(qf(i15)) \
+ add_elt_s(mf, hf, i0m, i1m, i3m, i4m, i7m, i10m, i11m, i16))
#define expand2s(qf, mf, hf, i16) \
expand2s_(qf, mf, hf, i16, I16_ ## i16, M16_ ## i16)
#define expand2s_(qf, mf, hf, i16, ix, iy) \
expand2s_inner LPAR qf, mf, hf, i16, ix, iy)
#if SPH_64
#define sb0(x) (((x) >> 1) ^ SPH_T64((x) << 3) \
^ SPH_ROTL64(x, 4) ^ SPH_ROTL64(x, 37))
#define sb1(x) (((x) >> 1) ^ SPH_T64((x) << 2) \
^ SPH_ROTL64(x, 13) ^ SPH_ROTL64(x, 43))
#define sb2(x) (((x) >> 2) ^ SPH_T64((x) << 1) \
^ SPH_ROTL64(x, 19) ^ SPH_ROTL64(x, 53))
#define sb3(x) (((x) >> 2) ^ SPH_T64((x) << 2) \
^ SPH_ROTL64(x, 28) ^ SPH_ROTL64(x, 59))
#define sb4(x) (((x) >> 1) ^ (x))
#define sb5(x) (((x) >> 2) ^ (x))
#define rb1(x) SPH_ROTL64(x, 5)
#define rb2(x) SPH_ROTL64(x, 11)
#define rb3(x) SPH_ROTL64(x, 27)
#define rb4(x) SPH_ROTL64(x, 32)
#define rb5(x) SPH_ROTL64(x, 37)
#define rb6(x) SPH_ROTL64(x, 43)
#define rb7(x) SPH_ROTL64(x, 53)
#define Kb(j) SPH_T64((sph_u64)(j) * SPH_C64(0x0555555555555555))
#if SPH_SMALL_FOOTPRINT_BMW
static const sph_u64 Kb_tab[] = {
Kb(16), Kb(17), Kb(18), Kb(19), Kb(20), Kb(21), Kb(22), Kb(23),
Kb(24), Kb(25), Kb(26), Kb(27), Kb(28), Kb(29), Kb(30), Kb(31)
};
#define rol_off(mf, j, off) \
SPH_ROTL64(mf(((j) + (off)) & 15), (((j) + (off)) & 15) + 1)
#define add_elt_b(mf, hf, j) \
(SPH_T64(rol_off(mf, j, 0) + rol_off(mf, j, 3) \
- rol_off(mf, j, 10) + Kb_tab[j]) ^ hf(((j) + 7) & 15))
#define expand1b(qf, mf, hf, i) \
SPH_T64(sb1(qf((i) - 16)) + sb2(qf((i) - 15)) \
+ sb3(qf((i) - 14)) + sb0(qf((i) - 13)) \
+ sb1(qf((i) - 12)) + sb2(qf((i) - 11)) \
+ sb3(qf((i) - 10)) + sb0(qf((i) - 9)) \
+ sb1(qf((i) - 8)) + sb2(qf((i) - 7)) \
+ sb3(qf((i) - 6)) + sb0(qf((i) - 5)) \
+ sb1(qf((i) - 4)) + sb2(qf((i) - 3)) \
+ sb3(qf((i) - 2)) + sb0(qf((i) - 1)) \
+ add_elt_b(mf, hf, (i) - 16))
#define expand2b(qf, mf, hf, i) \
SPH_T64(qf((i) - 16) + rb1(qf((i) - 15)) \
+ qf((i) - 14) + rb2(qf((i) - 13)) \
+ qf((i) - 12) + rb3(qf((i) - 11)) \
+ qf((i) - 10) + rb4(qf((i) - 9)) \
+ qf((i) - 8) + rb5(qf((i) - 7)) \
+ qf((i) - 6) + rb6(qf((i) - 5)) \
+ qf((i) - 4) + rb7(qf((i) - 3)) \
+ sb4(qf((i) - 2)) + sb5(qf((i) - 1)) \
+ add_elt_b(mf, hf, (i) - 16))
#else
#define add_elt_b(mf, hf, j0m, j1m, j3m, j4m, j7m, j10m, j11m, j16) \
(SPH_T64(SPH_ROTL64(mf(j0m), j1m) + SPH_ROTL64(mf(j3m), j4m) \
- SPH_ROTL64(mf(j10m), j11m) + Kb(j16)) ^ hf(j7m))
#define expand1b_inner(qf, mf, hf, i16, \
i0, i1, i2, i3, i4, i5, i6, i7, i8, \
i9, i10, i11, i12, i13, i14, i15, \
i0m, i1m, i3m, i4m, i7m, i10m, i11m) \
SPH_T64(sb1(qf(i0)) + sb2(qf(i1)) + sb3(qf(i2)) + sb0(qf(i3)) \
+ sb1(qf(i4)) + sb2(qf(i5)) + sb3(qf(i6)) + sb0(qf(i7)) \
+ sb1(qf(i8)) + sb2(qf(i9)) + sb3(qf(i10)) + sb0(qf(i11)) \
+ sb1(qf(i12)) + sb2(qf(i13)) + sb3(qf(i14)) + sb0(qf(i15)) \
+ add_elt_b(mf, hf, i0m, i1m, i3m, i4m, i7m, i10m, i11m, i16))
#define expand1b(qf, mf, hf, i16) \
expand1b_(qf, mf, hf, i16, I16_ ## i16, M16_ ## i16)
#define expand1b_(qf, mf, hf, i16, ix, iy) \
expand1b_inner LPAR qf, mf, hf, i16, ix, iy)
#define expand2b_inner(qf, mf, hf, i16, \
i0, i1, i2, i3, i4, i5, i6, i7, i8, \
i9, i10, i11, i12, i13, i14, i15, \
i0m, i1m, i3m, i4m, i7m, i10m, i11m) \
SPH_T64(qf(i0) + rb1(qf(i1)) + qf(i2) + rb2(qf(i3)) \
+ qf(i4) + rb3(qf(i5)) + qf(i6) + rb4(qf(i7)) \
+ qf(i8) + rb5(qf(i9)) + qf(i10) + rb6(qf(i11)) \
+ qf(i12) + rb7(qf(i13)) + sb4(qf(i14)) + sb5(qf(i15)) \
+ add_elt_b(mf, hf, i0m, i1m, i3m, i4m, i7m, i10m, i11m, i16))
#define expand2b(qf, mf, hf, i16) \
expand2b_(qf, mf, hf, i16, I16_ ## i16, M16_ ## i16)
#define expand2b_(qf, mf, hf, i16, ix, iy) \
expand2b_inner LPAR qf, mf, hf, i16, ix, iy)
#endif
#endif
#define MAKE_W(tt, i0, op01, i1, op12, i2, op23, i3, op34, i4) \
tt((M(i0) ^ H(i0)) op01 (M(i1) ^ H(i1)) op12 (M(i2) ^ H(i2)) \
op23 (M(i3) ^ H(i3)) op34 (M(i4) ^ H(i4)))
#define Ws0 MAKE_W(SPH_T32, 5, -, 7, +, 10, +, 13, +, 14)
#define Ws1 MAKE_W(SPH_T32, 6, -, 8, +, 11, +, 14, -, 15)
#define Ws2 MAKE_W(SPH_T32, 0, +, 7, +, 9, -, 12, +, 15)
#define Ws3 MAKE_W(SPH_T32, 0, -, 1, +, 8, -, 10, +, 13)
#define Ws4 MAKE_W(SPH_T32, 1, +, 2, +, 9, -, 11, -, 14)
#define Ws5 MAKE_W(SPH_T32, 3, -, 2, +, 10, -, 12, +, 15)
#define Ws6 MAKE_W(SPH_T32, 4, -, 0, -, 3, -, 11, +, 13)
#define Ws7 MAKE_W(SPH_T32, 1, -, 4, -, 5, -, 12, -, 14)
#define Ws8 MAKE_W(SPH_T32, 2, -, 5, -, 6, +, 13, -, 15)
#define Ws9 MAKE_W(SPH_T32, 0, -, 3, +, 6, -, 7, +, 14)
#define Ws10 MAKE_W(SPH_T32, 8, -, 1, -, 4, -, 7, +, 15)
#define Ws11 MAKE_W(SPH_T32, 8, -, 0, -, 2, -, 5, +, 9)
#define Ws12 MAKE_W(SPH_T32, 1, +, 3, -, 6, -, 9, +, 10)
#define Ws13 MAKE_W(SPH_T32, 2, +, 4, +, 7, +, 10, +, 11)
#define Ws14 MAKE_W(SPH_T32, 3, -, 5, +, 8, -, 11, -, 12)
#define Ws15 MAKE_W(SPH_T32, 12, -, 4, -, 6, -, 9, +, 13)
#if SPH_SMALL_FOOTPRINT_BMW
#define MAKE_Qas do { \
unsigned u; \
sph_u32 Ws[16]; \
Ws[ 0] = Ws0; \
Ws[ 1] = Ws1; \
Ws[ 2] = Ws2; \
Ws[ 3] = Ws3; \
Ws[ 4] = Ws4; \
Ws[ 5] = Ws5; \
Ws[ 6] = Ws6; \
Ws[ 7] = Ws7; \
Ws[ 8] = Ws8; \
Ws[ 9] = Ws9; \
Ws[10] = Ws10; \
Ws[11] = Ws11; \
Ws[12] = Ws12; \
Ws[13] = Ws13; \
Ws[14] = Ws14; \
Ws[15] = Ws15; \
for (u = 0; u < 15; u += 5) { \
qt[u + 0] = SPH_T32(ss0(Ws[u + 0]) + H(u + 1)); \
qt[u + 1] = SPH_T32(ss1(Ws[u + 1]) + H(u + 2)); \
qt[u + 2] = SPH_T32(ss2(Ws[u + 2]) + H(u + 3)); \
qt[u + 3] = SPH_T32(ss3(Ws[u + 3]) + H(u + 4)); \
qt[u + 4] = SPH_T32(ss4(Ws[u + 4]) + H(u + 5)); \
} \
qt[15] = SPH_T32(ss0(Ws[15]) + H(0)); \
} while (0)
#define MAKE_Qbs do { \
qt[16] = expand1s(Qs, M, H, 16); \
qt[17] = expand1s(Qs, M, H, 17); \
qt[18] = expand2s(Qs, M, H, 18); \
qt[19] = expand2s(Qs, M, H, 19); \
qt[20] = expand2s(Qs, M, H, 20); \
qt[21] = expand2s(Qs, M, H, 21); \
qt[22] = expand2s(Qs, M, H, 22); \
qt[23] = expand2s(Qs, M, H, 23); \
qt[24] = expand2s(Qs, M, H, 24); \
qt[25] = expand2s(Qs, M, H, 25); \
qt[26] = expand2s(Qs, M, H, 26); \
qt[27] = expand2s(Qs, M, H, 27); \
qt[28] = expand2s(Qs, M, H, 28); \
qt[29] = expand2s(Qs, M, H, 29); \
qt[30] = expand2s(Qs, M, H, 30); \
qt[31] = expand2s(Qs, M, H, 31); \
} while (0)
#else
#define MAKE_Qas do { \
qt[ 0] = SPH_T32(ss0(Ws0 ) + H( 1)); \
qt[ 1] = SPH_T32(ss1(Ws1 ) + H( 2)); \
qt[ 2] = SPH_T32(ss2(Ws2 ) + H( 3)); \
qt[ 3] = SPH_T32(ss3(Ws3 ) + H( 4)); \
qt[ 4] = SPH_T32(ss4(Ws4 ) + H( 5)); \
qt[ 5] = SPH_T32(ss0(Ws5 ) + H( 6)); \
qt[ 6] = SPH_T32(ss1(Ws6 ) + H( 7)); \
qt[ 7] = SPH_T32(ss2(Ws7 ) + H( 8)); \
qt[ 8] = SPH_T32(ss3(Ws8 ) + H( 9)); \
qt[ 9] = SPH_T32(ss4(Ws9 ) + H(10)); \
qt[10] = SPH_T32(ss0(Ws10) + H(11)); \
qt[11] = SPH_T32(ss1(Ws11) + H(12)); \
qt[12] = SPH_T32(ss2(Ws12) + H(13)); \
qt[13] = SPH_T32(ss3(Ws13) + H(14)); \
qt[14] = SPH_T32(ss4(Ws14) + H(15)); \
qt[15] = SPH_T32(ss0(Ws15) + H( 0)); \
} while (0)
#define MAKE_Qbs do { \
qt[16] = expand1s(Qs, M, H, 16); \
qt[17] = expand1s(Qs, M, H, 17); \
qt[18] = expand2s(Qs, M, H, 18); \
qt[19] = expand2s(Qs, M, H, 19); \
qt[20] = expand2s(Qs, M, H, 20); \
qt[21] = expand2s(Qs, M, H, 21); \
qt[22] = expand2s(Qs, M, H, 22); \
qt[23] = expand2s(Qs, M, H, 23); \
qt[24] = expand2s(Qs, M, H, 24); \
qt[25] = expand2s(Qs, M, H, 25); \
qt[26] = expand2s(Qs, M, H, 26); \
qt[27] = expand2s(Qs, M, H, 27); \
qt[28] = expand2s(Qs, M, H, 28); \
qt[29] = expand2s(Qs, M, H, 29); \
qt[30] = expand2s(Qs, M, H, 30); \
qt[31] = expand2s(Qs, M, H, 31); \
} while (0)
#endif
#define MAKE_Qs do { \
MAKE_Qas; \
MAKE_Qbs; \
} while (0)
#define Qs(j) (qt[j])
#if SPH_64
#define Wb0 MAKE_W(SPH_T64, 5, -, 7, +, 10, +, 13, +, 14)
#define Wb1 MAKE_W(SPH_T64, 6, -, 8, +, 11, +, 14, -, 15)
#define Wb2 MAKE_W(SPH_T64, 0, +, 7, +, 9, -, 12, +, 15)
#define Wb3 MAKE_W(SPH_T64, 0, -, 1, +, 8, -, 10, +, 13)
#define Wb4 MAKE_W(SPH_T64, 1, +, 2, +, 9, -, 11, -, 14)
#define Wb5 MAKE_W(SPH_T64, 3, -, 2, +, 10, -, 12, +, 15)
#define Wb6 MAKE_W(SPH_T64, 4, -, 0, -, 3, -, 11, +, 13)
#define Wb7 MAKE_W(SPH_T64, 1, -, 4, -, 5, -, 12, -, 14)
#define Wb8 MAKE_W(SPH_T64, 2, -, 5, -, 6, +, 13, -, 15)
#define Wb9 MAKE_W(SPH_T64, 0, -, 3, +, 6, -, 7, +, 14)
#define Wb10 MAKE_W(SPH_T64, 8, -, 1, -, 4, -, 7, +, 15)
#define Wb11 MAKE_W(SPH_T64, 8, -, 0, -, 2, -, 5, +, 9)
#define Wb12 MAKE_W(SPH_T64, 1, +, 3, -, 6, -, 9, +, 10)
#define Wb13 MAKE_W(SPH_T64, 2, +, 4, +, 7, +, 10, +, 11)
#define Wb14 MAKE_W(SPH_T64, 3, -, 5, +, 8, -, 11, -, 12)
#define Wb15 MAKE_W(SPH_T64, 12, -, 4, -, 6, -, 9, +, 13)
#if SPH_SMALL_FOOTPRINT_BMW
#define MAKE_Qab do { \
unsigned u; \
sph_u64 Wb[16]; \
Wb[ 0] = Wb0; \
Wb[ 1] = Wb1; \
Wb[ 2] = Wb2; \
Wb[ 3] = Wb3; \
Wb[ 4] = Wb4; \
Wb[ 5] = Wb5; \
Wb[ 6] = Wb6; \
Wb[ 7] = Wb7; \
Wb[ 8] = Wb8; \
Wb[ 9] = Wb9; \
Wb[10] = Wb10; \
Wb[11] = Wb11; \
Wb[12] = Wb12; \
Wb[13] = Wb13; \
Wb[14] = Wb14; \
Wb[15] = Wb15; \
for (u = 0; u < 15; u += 5) { \
qt[u + 0] = SPH_T64(sb0(Wb[u + 0]) + H(u + 1)); \
qt[u + 1] = SPH_T64(sb1(Wb[u + 1]) + H(u + 2)); \
qt[u + 2] = SPH_T64(sb2(Wb[u + 2]) + H(u + 3)); \
qt[u + 3] = SPH_T64(sb3(Wb[u + 3]) + H(u + 4)); \
qt[u + 4] = SPH_T64(sb4(Wb[u + 4]) + H(u + 5)); \
} \
qt[15] = SPH_T64(sb0(Wb[15]) + H(0)); \
} while (0)
#define MAKE_Qbb do { \
unsigned u; \
for (u = 16; u < 18; u ++) \
qt[u] = expand1b(Qb, M, H, u); \
for (u = 18; u < 32; u ++) \
qt[u] = expand2b(Qb, M, H, u); \
} while (0)
#else
#define MAKE_Qab do { \
qt[ 0] = SPH_T64(sb0(Wb0 ) + H( 1)); \
qt[ 1] = SPH_T64(sb1(Wb1 ) + H( 2)); \
qt[ 2] = SPH_T64(sb2(Wb2 ) + H( 3)); \
qt[ 3] = SPH_T64(sb3(Wb3 ) + H( 4)); \
qt[ 4] = SPH_T64(sb4(Wb4 ) + H( 5)); \
qt[ 5] = SPH_T64(sb0(Wb5 ) + H( 6)); \
qt[ 6] = SPH_T64(sb1(Wb6 ) + H( 7)); \
qt[ 7] = SPH_T64(sb2(Wb7 ) + H( 8)); \
qt[ 8] = SPH_T64(sb3(Wb8 ) + H( 9)); \
qt[ 9] = SPH_T64(sb4(Wb9 ) + H(10)); \
qt[10] = SPH_T64(sb0(Wb10) + H(11)); \
qt[11] = SPH_T64(sb1(Wb11) + H(12)); \
qt[12] = SPH_T64(sb2(Wb12) + H(13)); \
qt[13] = SPH_T64(sb3(Wb13) + H(14)); \
qt[14] = SPH_T64(sb4(Wb14) + H(15)); \
qt[15] = SPH_T64(sb0(Wb15) + H( 0)); \
} while (0)
#define MAKE_Qbb do { \
qt[16] = expand1b(Qb, M, H, 16); \
qt[17] = expand1b(Qb, M, H, 17); \
qt[18] = expand2b(Qb, M, H, 18); \
qt[19] = expand2b(Qb, M, H, 19); \
qt[20] = expand2b(Qb, M, H, 20); \
qt[21] = expand2b(Qb, M, H, 21); \
qt[22] = expand2b(Qb, M, H, 22); \
qt[23] = expand2b(Qb, M, H, 23); \
qt[24] = expand2b(Qb, M, H, 24); \
qt[25] = expand2b(Qb, M, H, 25); \
qt[26] = expand2b(Qb, M, H, 26); \
qt[27] = expand2b(Qb, M, H, 27); \
qt[28] = expand2b(Qb, M, H, 28); \
qt[29] = expand2b(Qb, M, H, 29); \
qt[30] = expand2b(Qb, M, H, 30); \
qt[31] = expand2b(Qb, M, H, 31); \
} while (0)
#endif
#define MAKE_Qb do { \
MAKE_Qab; \
MAKE_Qbb; \
} while (0)
#define Qb(j) (qt[j])
#endif
#define FOLD(type, mkQ, tt, rol, mf, qf, dhf) do { \
type qt[32], xl, xh; \
mkQ; \
xl = qf(16) ^ qf(17) ^ qf(18) ^ qf(19) \
^ qf(20) ^ qf(21) ^ qf(22) ^ qf(23); \
xh = xl ^ qf(24) ^ qf(25) ^ qf(26) ^ qf(27) \
^ qf(28) ^ qf(29) ^ qf(30) ^ qf(31); \
dhf( 0) = tt(((xh << 5) ^ (qf(16) >> 5) ^ mf( 0)) \
+ (xl ^ qf(24) ^ qf( 0))); \
dhf( 1) = tt(((xh >> 7) ^ (qf(17) << 8) ^ mf( 1)) \
+ (xl ^ qf(25) ^ qf( 1))); \
dhf( 2) = tt(((xh >> 5) ^ (qf(18) << 5) ^ mf( 2)) \
+ (xl ^ qf(26) ^ qf( 2))); \
dhf( 3) = tt(((xh >> 1) ^ (qf(19) << 5) ^ mf( 3)) \
+ (xl ^ qf(27) ^ qf( 3))); \
dhf( 4) = tt(((xh >> 3) ^ (qf(20) << 0) ^ mf( 4)) \
+ (xl ^ qf(28) ^ qf( 4))); \
dhf( 5) = tt(((xh << 6) ^ (qf(21) >> 6) ^ mf( 5)) \
+ (xl ^ qf(29) ^ qf( 5))); \
dhf( 6) = tt(((xh >> 4) ^ (qf(22) << 6) ^ mf( 6)) \
+ (xl ^ qf(30) ^ qf( 6))); \
dhf( 7) = tt(((xh >> 11) ^ (qf(23) << 2) ^ mf( 7)) \
+ (xl ^ qf(31) ^ qf( 7))); \
dhf( 8) = tt(rol(dhf(4), 9) + (xh ^ qf(24) ^ mf( 8)) \
+ ((xl << 8) ^ qf(23) ^ qf( 8))); \
dhf( 9) = tt(rol(dhf(5), 10) + (xh ^ qf(25) ^ mf( 9)) \
+ ((xl >> 6) ^ qf(16) ^ qf( 9))); \
dhf(10) = tt(rol(dhf(6), 11) + (xh ^ qf(26) ^ mf(10)) \
+ ((xl << 6) ^ qf(17) ^ qf(10))); \
dhf(11) = tt(rol(dhf(7), 12) + (xh ^ qf(27) ^ mf(11)) \
+ ((xl << 4) ^ qf(18) ^ qf(11))); \
dhf(12) = tt(rol(dhf(0), 13) + (xh ^ qf(28) ^ mf(12)) \
+ ((xl >> 3) ^ qf(19) ^ qf(12))); \
dhf(13) = tt(rol(dhf(1), 14) + (xh ^ qf(29) ^ mf(13)) \
+ ((xl >> 4) ^ qf(20) ^ qf(13))); \
dhf(14) = tt(rol(dhf(2), 15) + (xh ^ qf(30) ^ mf(14)) \
+ ((xl >> 7) ^ qf(21) ^ qf(14))); \
dhf(15) = tt(rol(dhf(3), 16) + (xh ^ qf(31) ^ mf(15)) \
+ ((xl >> 2) ^ qf(22) ^ qf(15))); \
} while (0)
#define FOLDs FOLD(sph_u32, MAKE_Qs, SPH_T32, SPH_ROTL32, M, Qs, dH)
#if SPH_64
#define FOLDb FOLD(sph_u64, MAKE_Qb, SPH_T64, SPH_ROTL64, M, Qb, dH)
#endif
static void
compress_small(const unsigned char *data, const sph_u32 h[16], sph_u32 dh[16])
{
#if SPH_LITTLE_FAST
#define M(x) sph_dec32le_aligned(data + 4 * (x))
#else
sph_u32 mv[16];
mv[ 0] = sph_dec32le_aligned(data + 0);
mv[ 1] = sph_dec32le_aligned(data + 4);
mv[ 2] = sph_dec32le_aligned(data + 8);
mv[ 3] = sph_dec32le_aligned(data + 12);
mv[ 4] = sph_dec32le_aligned(data + 16);
mv[ 5] = sph_dec32le_aligned(data + 20);
mv[ 6] = sph_dec32le_aligned(data + 24);
mv[ 7] = sph_dec32le_aligned(data + 28);
mv[ 8] = sph_dec32le_aligned(data + 32);
mv[ 9] = sph_dec32le_aligned(data + 36);
mv[10] = sph_dec32le_aligned(data + 40);
mv[11] = sph_dec32le_aligned(data + 44);
mv[12] = sph_dec32le_aligned(data + 48);
mv[13] = sph_dec32le_aligned(data + 52);
mv[14] = sph_dec32le_aligned(data + 56);
mv[15] = sph_dec32le_aligned(data + 60);
#define M(x) (mv[x])
#endif
#define H(x) (h[x])
#define dH(x) (dh[x])
FOLDs;
#undef M
#undef H
#undef dH
}
static const sph_u32 final_s[16] = {
SPH_C32(0xaaaaaaa0), SPH_C32(0xaaaaaaa1), SPH_C32(0xaaaaaaa2),
SPH_C32(0xaaaaaaa3), SPH_C32(0xaaaaaaa4), SPH_C32(0xaaaaaaa5),
SPH_C32(0xaaaaaaa6), SPH_C32(0xaaaaaaa7), SPH_C32(0xaaaaaaa8),
SPH_C32(0xaaaaaaa9), SPH_C32(0xaaaaaaaa), SPH_C32(0xaaaaaaab),
SPH_C32(0xaaaaaaac), SPH_C32(0xaaaaaaad), SPH_C32(0xaaaaaaae),
SPH_C32(0xaaaaaaaf)
};
static void
bmw32_init(sph_bmw_small_context *sc, const sph_u32 *iv)
{
memcpy(sc->H, iv, sizeof sc->H);
sc->ptr = 0;
#if SPH_64
sc->bit_count = 0;
#else
sc->bit_count_high = 0;
sc->bit_count_low = 0;
#endif
}
static void
bmw32(sph_bmw_small_context *sc, const void *data, size_t len)
{
unsigned char *buf;
size_t ptr;
sph_u32 htmp[16];
sph_u32 *h1, *h2;
#if !SPH_64
sph_u32 tmp;
#endif
#if SPH_64
sc->bit_count += (sph_u64)len << 3;
#else
tmp = sc->bit_count_low;
sc->bit_count_low = SPH_T32(tmp + ((sph_u32)len << 3));
if (sc->bit_count_low < tmp)
sc->bit_count_high ++;
sc->bit_count_high += len >> 29;
#endif
buf = sc->buf;
ptr = sc->ptr;
h1 = sc->H;
h2 = htmp;
while (len > 0) {
size_t clen;
clen = (sizeof sc->buf) - ptr;
if (clen > len)
clen = len;
memcpy(buf + ptr, data, clen);
data = (const unsigned char *)data + clen;
len -= clen;
ptr += clen;
if (ptr == sizeof sc->buf) {
sph_u32 *ht;
compress_small(buf, h1, h2);
ht = h1;
h1 = h2;
h2 = ht;
ptr = 0;
}
}
sc->ptr = ptr;
if (h1 != sc->H)
memcpy(sc->H, h1, sizeof sc->H);
}
static void
bmw32_close(sph_bmw_small_context *sc, unsigned ub, unsigned n,
void *dst, size_t out_size_w32)
{
unsigned char *buf, *out;
size_t ptr, u, v;
unsigned z;
sph_u32 h1[16], h2[16], *h;
buf = sc->buf;
ptr = sc->ptr;
z = 0x80 >> n;
buf[ptr ++] = ((ub & -z) | z) & 0xFF;
h = sc->H;
if (ptr > (sizeof sc->buf) - 8) {
memset(buf + ptr, 0, (sizeof sc->buf) - ptr);
compress_small(buf, h, h1);
ptr = 0;
h = h1;
}
memset(buf + ptr, 0, (sizeof sc->buf) - 8 - ptr);
#if SPH_64
sph_enc64le_aligned(buf + (sizeof sc->buf) - 8,
SPH_T64(sc->bit_count + n));
#else
sph_enc32le_aligned(buf + (sizeof sc->buf) - 8,
sc->bit_count_low + n);
sph_enc32le_aligned(buf + (sizeof sc->buf) - 4,
SPH_T32(sc->bit_count_high));
#endif
compress_small(buf, h, h2);
for (u = 0; u < 16; u ++)
sph_enc32le_aligned(buf + 4 * u, h2[u]);
compress_small(buf, final_s, h1);
out = dst;
for (u = 0, v = 16 - out_size_w32; u < out_size_w32; u ++, v ++)
sph_enc32le(out + 4 * u, h1[v]);
}
#if SPH_64
static void
compress_big(const unsigned char *data, const sph_u64 h[16], sph_u64 dh[16])
{
#if SPH_LITTLE_FAST
#define M(x) sph_dec64le_aligned(data + 8 * (x))
#else
sph_u64 mv[16];
mv[ 0] = sph_dec64le_aligned(data + 0);
mv[ 1] = sph_dec64le_aligned(data + 8);
mv[ 2] = sph_dec64le_aligned(data + 16);
mv[ 3] = sph_dec64le_aligned(data + 24);
mv[ 4] = sph_dec64le_aligned(data + 32);
mv[ 5] = sph_dec64le_aligned(data + 40);
mv[ 6] = sph_dec64le_aligned(data + 48);
mv[ 7] = sph_dec64le_aligned(data + 56);
mv[ 8] = sph_dec64le_aligned(data + 64);
mv[ 9] = sph_dec64le_aligned(data + 72);
mv[10] = sph_dec64le_aligned(data + 80);
mv[11] = sph_dec64le_aligned(data + 88);
mv[12] = sph_dec64le_aligned(data + 96);
mv[13] = sph_dec64le_aligned(data + 104);
mv[14] = sph_dec64le_aligned(data + 112);
mv[15] = sph_dec64le_aligned(data + 120);
#define M(x) (mv[x])
#endif
#define H(x) (h[x])
#define dH(x) (dh[x])
FOLDb;
#undef M
#undef H
#undef dH
}
static const sph_u64 final_b[16] = {
SPH_C64(0xaaaaaaaaaaaaaaa0), SPH_C64(0xaaaaaaaaaaaaaaa1),
SPH_C64(0xaaaaaaaaaaaaaaa2), SPH_C64(0xaaaaaaaaaaaaaaa3),
SPH_C64(0xaaaaaaaaaaaaaaa4), SPH_C64(0xaaaaaaaaaaaaaaa5),
SPH_C64(0xaaaaaaaaaaaaaaa6), SPH_C64(0xaaaaaaaaaaaaaaa7),
SPH_C64(0xaaaaaaaaaaaaaaa8), SPH_C64(0xaaaaaaaaaaaaaaa9),
SPH_C64(0xaaaaaaaaaaaaaaaa), SPH_C64(0xaaaaaaaaaaaaaaab),
SPH_C64(0xaaaaaaaaaaaaaaac), SPH_C64(0xaaaaaaaaaaaaaaad),
SPH_C64(0xaaaaaaaaaaaaaaae), SPH_C64(0xaaaaaaaaaaaaaaaf)
};
static void
bmw64_init(sph_bmw_big_context *sc, const sph_u64 *iv)
{
memcpy(sc->H, iv, sizeof sc->H);
sc->ptr = 0;
sc->bit_count = 0;
}
static void
bmw64(sph_bmw_big_context *sc, const void *data, size_t len)
{
unsigned char *buf;
size_t ptr;
sph_u64 htmp[16];
sph_u64 *h1, *h2;
sc->bit_count += (sph_u64)len << 3;
buf = sc->buf;
ptr = sc->ptr;
h1 = sc->H;
h2 = htmp;
while (len > 0) {
size_t clen;
clen = (sizeof sc->buf) - ptr;
if (clen > len)
clen = len;
memcpy(buf + ptr, data, clen);
data = (const unsigned char *)data + clen;
len -= clen;
ptr += clen;
if (ptr == sizeof sc->buf) {
sph_u64 *ht;
compress_big(buf, h1, h2);
ht = h1;
h1 = h2;
h2 = ht;
ptr = 0;
}
}
sc->ptr = ptr;
if (h1 != sc->H)
memcpy(sc->H, h1, sizeof sc->H);
}
static void
bmw64_close(sph_bmw_big_context *sc, unsigned ub, unsigned n,
void *dst, size_t out_size_w64)
{
unsigned char *buf, *out;
size_t ptr, u, v;
unsigned z;
sph_u64 h1[16], h2[16], *h;
buf = sc->buf;
ptr = sc->ptr;
z = 0x80 >> n;
buf[ptr ++] = ((ub & -z) | z) & 0xFF;
h = sc->H;
if (ptr > (sizeof sc->buf) - 8) {
memset(buf + ptr, 0, (sizeof sc->buf) - ptr);
compress_big(buf, h, h1);
ptr = 0;
h = h1;
}
memset(buf + ptr, 0, (sizeof sc->buf) - 8 - ptr);
sph_enc64le_aligned(buf + (sizeof sc->buf) - 8,
SPH_T64(sc->bit_count + n));
compress_big(buf, h, h2);
for (u = 0; u < 16; u ++)
sph_enc64le_aligned(buf + 8 * u, h2[u]);
compress_big(buf, final_b, h1);
out = dst;
for (u = 0, v = 16 - out_size_w64; u < out_size_w64; u ++, v ++)
sph_enc64le(out + 8 * u, h1[v]);
}
#endif
/* see sph_bmw.h */
void
sph_bmw224_init(void *cc)
{
bmw32_init(cc, IV224);
}
/* see sph_bmw.h */
void
sph_bmw224(void *cc, const void *data, size_t len)
{
bmw32(cc, data, len);
}
/* see sph_bmw.h */
void
sph_bmw224_close(void *cc, void *dst)
{
sph_bmw224_addbits_and_close(cc, 0, 0, dst);
}
/* see sph_bmw.h */
void
sph_bmw224_addbits_and_close(void *cc, unsigned ub, unsigned n, void *dst)
{
bmw32_close(cc, ub, n, dst, 7);
sph_bmw224_init(cc);
}
/* see sph_bmw.h */
void
sph_bmw256_init(void *cc)
{
bmw32_init(cc, IV256);
}
/* see sph_bmw.h */
void
sph_bmw256(void *cc, const void *data, size_t len)
{
bmw32(cc, data, len);
}
/* see sph_bmw.h */
void
sph_bmw256_close(void *cc, void *dst)
{
sph_bmw256_addbits_and_close(cc, 0, 0, dst);
}
/* see sph_bmw.h */
void
sph_bmw256_addbits_and_close(void *cc, unsigned ub, unsigned n, void *dst)
{
bmw32_close(cc, ub, n, dst, 8);
sph_bmw256_init(cc);
}
#if SPH_64
/* see sph_bmw.h */
void
sph_bmw384_init(void *cc)
{
bmw64_init(cc, IV384);
}
/* see sph_bmw.h */
void
sph_bmw384(void *cc, const void *data, size_t len)
{
bmw64(cc, data, len);
}
/* see sph_bmw.h */
void
sph_bmw384_close(void *cc, void *dst)
{
sph_bmw384_addbits_and_close(cc, 0, 0, dst);
}
/* see sph_bmw.h */
void
sph_bmw384_addbits_and_close(void *cc, unsigned ub, unsigned n, void *dst)
{
bmw64_close(cc, ub, n, dst, 6);
sph_bmw384_init(cc);
}
/* see sph_bmw.h */
void
sph_bmw512_init(void *cc)
{
bmw64_init(cc, IV512);
}
/* see sph_bmw.h */
void
sph_bmw512(void *cc, const void *data, size_t len)
{
bmw64(cc, data, len);
}
/* see sph_bmw.h */
void
sph_bmw512_close(void *cc, void *dst)
{
sph_bmw512_addbits_and_close(cc, 0, 0, dst);
}
/* see sph_bmw.h */
void
sph_bmw512_addbits_and_close(void *cc, unsigned ub, unsigned n, void *dst)
{
bmw64_close(cc, ub, n, dst, 8);
sph_bmw512_init(cc);
}
#endif