GOSTSec
/
sgminer
mirror of https://github.com/GOSTSec/sgminer
1
0
Fork 0
Code Issues Releases Wiki Activity
Browse Source

Shabal algo

djm34
aznboy84 11 years ago committed by ystarnaud
parent
52b4daba7c
commit
b728a32696
1 changed files with 806 additions and 0 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Unified View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 806
      sph/shabal.c

806
sph/shabal.c
Unescape View File

@ -0,0 +1,806 @@
/* $Id: shabal.c 175 2010-05-07 16:03:20Z tp $ */
/*
* Shabal 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 <thomas.pornin@cryptolog.com>
*/
#include <stddef.h>
#include <string.h>
#include "sph_shabal.h"
#ifdef __cplusplus
extern "C"{
#endif
#ifdef _MSC_VER
#pragma warning (disable: 4146)
#endif
/*
* Part of this code was automatically generated (the part between
* the "BEGIN" and "END" markers).
*/
#define sM 16
#define C32 SPH_C32
#define T32 SPH_T32
#define O1 13
#define O2 9
#define O3 6
/*
* We copy the state into local variables, so that the compiler knows
* that it can optimize them at will.
*/
/* BEGIN -- automatically generated code. */
#define DECL_STATE \
sph_u32 A00, A01, A02, A03, A04, A05, A06, A07, \
A08, A09, A0A, A0B; \
sph_u32 B0, B1, B2, B3, B4, B5, B6, B7, \
B8, B9, BA, BB, BC, BD, BE, BF; \
sph_u32 C0, C1, C2, C3, C4, C5, C6, C7, \
C8, C9, CA, CB, CC, CD, CE, CF; \
sph_u32 M0, M1, M2, M3, M4, M5, M6, M7, \
M8, M9, MA, MB, MC, MD, ME, MF; \
sph_u32 Wlow, Whigh;
#define READ_STATE(state) do { \
A00 = (state)->A[0]; \
A01 = (state)->A[1]; \
A02 = (state)->A[2]; \
A03 = (state)->A[3]; \
A04 = (state)->A[4]; \
A05 = (state)->A[5]; \
A06 = (state)->A[6]; \
A07 = (state)->A[7]; \
A08 = (state)->A[8]; \
A09 = (state)->A[9]; \
A0A = (state)->A[10]; \
A0B = (state)->A[11]; \
B0 = (state)->B[0]; \
B1 = (state)->B[1]; \
B2 = (state)->B[2]; \
B3 = (state)->B[3]; \
B4 = (state)->B[4]; \
B5 = (state)->B[5]; \
B6 = (state)->B[6]; \
B7 = (state)->B[7]; \
B8 = (state)->B[8]; \
B9 = (state)->B[9]; \
BA = (state)->B[10]; \
BB = (state)->B[11]; \
BC = (state)->B[12]; \
BD = (state)->B[13]; \
BE = (state)->B[14]; \
BF = (state)->B[15]; \
C0 = (state)->C[0]; \
C1 = (state)->C[1]; \
C2 = (state)->C[2]; \
C3 = (state)->C[3]; \
C4 = (state)->C[4]; \
C5 = (state)->C[5]; \
C6 = (state)->C[6]; \
C7 = (state)->C[7]; \
C8 = (state)->C[8]; \
C9 = (state)->C[9]; \
CA = (state)->C[10]; \
CB = (state)->C[11]; \
CC = (state)->C[12]; \
CD = (state)->C[13]; \
CE = (state)->C[14]; \
CF = (state)->C[15]; \
Wlow = (state)->Wlow; \
Whigh = (state)->Whigh; \
} while (0)
#define WRITE_STATE(state) do { \
(state)->A[0] = A00; \
(state)->A[1] = A01; \
(state)->A[2] = A02; \
(state)->A[3] = A03; \
(state)->A[4] = A04; \
(state)->A[5] = A05; \
(state)->A[6] = A06; \
(state)->A[7] = A07; \
(state)->A[8] = A08; \
(state)->A[9] = A09; \
(state)->A[10] = A0A; \
(state)->A[11] = A0B; \
(state)->B[0] = B0; \
(state)->B[1] = B1; \
(state)->B[2] = B2; \
(state)->B[3] = B3; \
(state)->B[4] = B4; \
(state)->B[5] = B5; \
(state)->B[6] = B6; \
(state)->B[7] = B7; \
(state)->B[8] = B8; \
(state)->B[9] = B9; \
(state)->B[10] = BA; \
(state)->B[11] = BB; \
(state)->B[12] = BC; \
(state)->B[13] = BD; \
(state)->B[14] = BE; \
(state)->B[15] = BF; \
(state)->C[0] = C0; \
(state)->C[1] = C1; \
(state)->C[2] = C2; \
(state)->C[3] = C3; \
(state)->C[4] = C4; \
(state)->C[5] = C5; \
(state)->C[6] = C6; \
(state)->C[7] = C7; \
(state)->C[8] = C8; \
(state)->C[9] = C9; \
(state)->C[10] = CA; \
(state)->C[11] = CB; \
(state)->C[12] = CC; \
(state)->C[13] = CD; \
(state)->C[14] = CE; \
(state)->C[15] = CF; \
(state)->Wlow = Wlow; \
(state)->Whigh = Whigh; \
} while (0)
#define DECODE_BLOCK do { \
M0 = sph_dec32le_aligned(buf + 0); \
M1 = sph_dec32le_aligned(buf + 4); \
M2 = sph_dec32le_aligned(buf + 8); \
M3 = sph_dec32le_aligned(buf + 12); \
M4 = sph_dec32le_aligned(buf + 16); \
M5 = sph_dec32le_aligned(buf + 20); \
M6 = sph_dec32le_aligned(buf + 24); \
M7 = sph_dec32le_aligned(buf + 28); \
M8 = sph_dec32le_aligned(buf + 32); \
M9 = sph_dec32le_aligned(buf + 36); \
MA = sph_dec32le_aligned(buf + 40); \
MB = sph_dec32le_aligned(buf + 44); \
MC = sph_dec32le_aligned(buf + 48); \
MD = sph_dec32le_aligned(buf + 52); \
ME = sph_dec32le_aligned(buf + 56); \
MF = sph_dec32le_aligned(buf + 60); \
} while (0)
#define INPUT_BLOCK_ADD do { \
B0 = T32(B0 + M0); \
B1 = T32(B1 + M1); \
B2 = T32(B2 + M2); \
B3 = T32(B3 + M3); \
B4 = T32(B4 + M4); \
B5 = T32(B5 + M5); \
B6 = T32(B6 + M6); \
B7 = T32(B7 + M7); \
B8 = T32(B8 + M8); \
B9 = T32(B9 + M9); \
BA = T32(BA + MA); \
BB = T32(BB + MB); \
BC = T32(BC + MC); \
BD = T32(BD + MD); \
BE = T32(BE + ME); \
BF = T32(BF + MF); \
} while (0)
#define INPUT_BLOCK_SUB do { \
C0 = T32(C0 - M0); \
C1 = T32(C1 - M1); \
C2 = T32(C2 - M2); \
C3 = T32(C3 - M3); \
C4 = T32(C4 - M4); \
C5 = T32(C5 - M5); \
C6 = T32(C6 - M6); \
C7 = T32(C7 - M7); \
C8 = T32(C8 - M8); \
C9 = T32(C9 - M9); \
CA = T32(CA - MA); \
CB = T32(CB - MB); \
CC = T32(CC - MC); \
CD = T32(CD - MD); \
CE = T32(CE - ME); \
CF = T32(CF - MF); \
} while (0)
#define XOR_W do { \
A00 ^= Wlow; \
A01 ^= Whigh; \
} while (0)
#define SWAP(v1, v2) do { \
sph_u32 tmp = (v1); \
(v1) = (v2); \
(v2) = tmp; \
} while (0)
#define SWAP_BC do { \
SWAP(B0, C0); \
SWAP(B1, C1); \
SWAP(B2, C2); \
SWAP(B3, C3); \
SWAP(B4, C4); \
SWAP(B5, C5); \
SWAP(B6, C6); \
SWAP(B7, C7); \
SWAP(B8, C8); \
SWAP(B9, C9); \
SWAP(BA, CA); \
SWAP(BB, CB); \
SWAP(BC, CC); \
SWAP(BD, CD); \
SWAP(BE, CE); \
SWAP(BF, CF); \
} while (0)
#define PERM_ELT(xa0, xa1, xb0, xb1, xb2, xb3, xc, xm) do { \
xa0 = T32((xa0 \
^ (((xa1 << 15) | (xa1 >> 17)) * 5U) \
^ xc) * 3U) \
^ xb1 ^ (xb2 & ~xb3) ^ xm; \
xb0 = T32(~(((xb0 << 1) | (xb0 >> 31)) ^ xa0)); \
} while (0)
#define PERM_STEP_0 do { \
PERM_ELT(A00, A0B, B0, BD, B9, B6, C8, M0); \
PERM_ELT(A01, A00, B1, BE, BA, B7, C7, M1); \
PERM_ELT(A02, A01, B2, BF, BB, B8, C6, M2); \
PERM_ELT(A03, A02, B3, B0, BC, B9, C5, M3); \
PERM_ELT(A04, A03, B4, B1, BD, BA, C4, M4); \
PERM_ELT(A05, A04, B5, B2, BE, BB, C3, M5); \
PERM_ELT(A06, A05, B6, B3, BF, BC, C2, M6); \
PERM_ELT(A07, A06, B7, B4, B0, BD, C1, M7); \
PERM_ELT(A08, A07, B8, B5, B1, BE, C0, M8); \
PERM_ELT(A09, A08, B9, B6, B2, BF, CF, M9); \
PERM_ELT(A0A, A09, BA, B7, B3, B0, CE, MA); \
PERM_ELT(A0B, A0A, BB, B8, B4, B1, CD, MB); \
PERM_ELT(A00, A0B, BC, B9, B5, B2, CC, MC); \
PERM_ELT(A01, A00, BD, BA, B6, B3, CB, MD); \
PERM_ELT(A02, A01, BE, BB, B7, B4, CA, ME); \
PERM_ELT(A03, A02, BF, BC, B8, B5, C9, MF); \
} while (0)
#define PERM_STEP_1 do { \
PERM_ELT(A04, A03, B0, BD, B9, B6, C8, M0); \
PERM_ELT(A05, A04, B1, BE, BA, B7, C7, M1); \
PERM_ELT(A06, A05, B2, BF, BB, B8, C6, M2); \
PERM_ELT(A07, A06, B3, B0, BC, B9, C5, M3); \
PERM_ELT(A08, A07, B4, B1, BD, BA, C4, M4); \
PERM_ELT(A09, A08, B5, B2, BE, BB, C3, M5); \
PERM_ELT(A0A, A09, B6, B3, BF, BC, C2, M6); \
PERM_ELT(A0B, A0A, B7, B4, B0, BD, C1, M7); \
PERM_ELT(A00, A0B, B8, B5, B1, BE, C0, M8); \
PERM_ELT(A01, A00, B9, B6, B2, BF, CF, M9); \
PERM_ELT(A02, A01, BA, B7, B3, B0, CE, MA); \
PERM_ELT(A03, A02, BB, B8, B4, B1, CD, MB); \
PERM_ELT(A04, A03, BC, B9, B5, B2, CC, MC); \
PERM_ELT(A05, A04, BD, BA, B6, B3, CB, MD); \
PERM_ELT(A06, A05, BE, BB, B7, B4, CA, ME); \
PERM_ELT(A07, A06, BF, BC, B8, B5, C9, MF); \
} while (0)
#define PERM_STEP_2 do { \
PERM_ELT(A08, A07, B0, BD, B9, B6, C8, M0); \
PERM_ELT(A09, A08, B1, BE, BA, B7, C7, M1); \
PERM_ELT(A0A, A09, B2, BF, BB, B8, C6, M2); \
PERM_ELT(A0B, A0A, B3, B0, BC, B9, C5, M3); \
PERM_ELT(A00, A0B, B4, B1, BD, BA, C4, M4); \
PERM_ELT(A01, A00, B5, B2, BE, BB, C3, M5); \
PERM_ELT(A02, A01, B6, B3, BF, BC, C2, M6); \
PERM_ELT(A03, A02, B7, B4, B0, BD, C1, M7); \
PERM_ELT(A04, A03, B8, B5, B1, BE, C0, M8); \
PERM_ELT(A05, A04, B9, B6, B2, BF, CF, M9); \
PERM_ELT(A06, A05, BA, B7, B3, B0, CE, MA); \
PERM_ELT(A07, A06, BB, B8, B4, B1, CD, MB); \
PERM_ELT(A08, A07, BC, B9, B5, B2, CC, MC); \
PERM_ELT(A09, A08, BD, BA, B6, B3, CB, MD); \
PERM_ELT(A0A, A09, BE, BB, B7, B4, CA, ME); \
PERM_ELT(A0B, A0A, BF, BC, B8, B5, C9, MF); \
} while (0)
#define APPLY_P do { \
B0 = T32(B0 << 17) | (B0 >> 15); \
B1 = T32(B1 << 17) | (B1 >> 15); \
B2 = T32(B2 << 17) | (B2 >> 15); \
B3 = T32(B3 << 17) | (B3 >> 15); \
B4 = T32(B4 << 17) | (B4 >> 15); \
B5 = T32(B5 << 17) | (B5 >> 15); \
B6 = T32(B6 << 17) | (B6 >> 15); \
B7 = T32(B7 << 17) | (B7 >> 15); \
B8 = T32(B8 << 17) | (B8 >> 15); \
B9 = T32(B9 << 17) | (B9 >> 15); \
BA = T32(BA << 17) | (BA >> 15); \
BB = T32(BB << 17) | (BB >> 15); \
BC = T32(BC << 17) | (BC >> 15); \
BD = T32(BD << 17) | (BD >> 15); \
BE = T32(BE << 17) | (BE >> 15); \
BF = T32(BF << 17) | (BF >> 15); \
PERM_STEP_0; \
PERM_STEP_1; \
PERM_STEP_2; \
A0B = T32(A0B + C6); \
A0A = T32(A0A + C5); \
A09 = T32(A09 + C4); \
A08 = T32(A08 + C3); \
A07 = T32(A07 + C2); \
A06 = T32(A06 + C1); \
A05 = T32(A05 + C0); \
A04 = T32(A04 + CF); \
A03 = T32(A03 + CE); \
A02 = T32(A02 + CD); \
A01 = T32(A01 + CC); \
A00 = T32(A00 + CB); \
A0B = T32(A0B + CA); \
A0A = T32(A0A + C9); \
A09 = T32(A09 + C8); \
A08 = T32(A08 + C7); \
A07 = T32(A07 + C6); \
A06 = T32(A06 + C5); \
A05 = T32(A05 + C4); \
A04 = T32(A04 + C3); \
A03 = T32(A03 + C2); \
A02 = T32(A02 + C1); \
A01 = T32(A01 + C0); \
A00 = T32(A00 + CF); \
A0B = T32(A0B + CE); \
A0A = T32(A0A + CD); \
A09 = T32(A09 + CC); \
A08 = T32(A08 + CB); \
A07 = T32(A07 + CA); \
A06 = T32(A06 + C9); \
A05 = T32(A05 + C8); \
A04 = T32(A04 + C7); \
A03 = T32(A03 + C6); \
A02 = T32(A02 + C5); \
A01 = T32(A01 + C4); \
A00 = T32(A00 + C3); \
} while (0)
#define INCR_W do { \
if ((Wlow = T32(Wlow + 1)) == 0) \
Whigh = T32(Whigh + 1); \
} while (0)
static const sph_u32 A_init_192[] = {
C32(0xFD749ED4), C32(0xB798E530), C32(0x33904B6F), C32(0x46BDA85E),
C32(0x076934B4), C32(0x454B4058), C32(0x77F74527), C32(0xFB4CF465),
C32(0x62931DA9), C32(0xE778C8DB), C32(0x22B3998E), C32(0xAC15CFB9)
};
static const sph_u32 B_init_192[] = {
C32(0x58BCBAC4), C32(0xEC47A08E), C32(0xAEE933B2), C32(0xDFCBC824),
C32(0xA7944804), C32(0xBF65BDB0), C32(0x5A9D4502), C32(0x59979AF7),
C32(0xC5CEA54E), C32(0x4B6B8150), C32(0x16E71909), C32(0x7D632319),
C32(0x930573A0), C32(0xF34C63D1), C32(0xCAF914B4), C32(0xFDD6612C)
};
static const sph_u32 C_init_192[] = {
C32(0x61550878), C32(0x89EF2B75), C32(0xA1660C46), C32(0x7EF3855B),
C32(0x7297B58C), C32(0x1BC67793), C32(0x7FB1C723), C32(0xB66FC640),
C32(0x1A48B71C), C32(0xF0976D17), C32(0x088CE80A), C32(0xA454EDF3),
C32(0x1C096BF4), C32(0xAC76224B), C32(0x5215781C), C32(0xCD5D2669)
};
static const sph_u32 A_init_224[] = {
C32(0xA5201467), C32(0xA9B8D94A), C32(0xD4CED997), C32(0x68379D7B),
C32(0xA7FC73BA), C32(0xF1A2546B), C32(0x606782BF), C32(0xE0BCFD0F),
C32(0x2F25374E), C32(0x069A149F), C32(0x5E2DFF25), C32(0xFAECF061)
};
static const sph_u32 B_init_224[] = {
C32(0xEC9905D8), C32(0xF21850CF), C32(0xC0A746C8), C32(0x21DAD498),
C32(0x35156EEB), C32(0x088C97F2), C32(0x26303E40), C32(0x8A2D4FB5),
C32(0xFEEE44B6), C32(0x8A1E9573), C32(0x7B81111A), C32(0xCBC139F0),
C32(0xA3513861), C32(0x1D2C362E), C32(0x918C580E), C32(0xB58E1B9C)
};
static const sph_u32 C_init_224[] = {
C32(0xE4B573A1), C32(0x4C1A0880), C32(0x1E907C51), C32(0x04807EFD),
C32(0x3AD8CDE5), C32(0x16B21302), C32(0x02512C53), C32(0x2204CB18),
C32(0x99405F2D), C32(0xE5B648A1), C32(0x70AB1D43), C32(0xA10C25C2),
C32(0x16F1AC05), C32(0x38BBEB56), C32(0x9B01DC60), C32(0xB1096D83)
};
static const sph_u32 A_init_256[] = {
C32(0x52F84552), C32(0xE54B7999), C32(0x2D8EE3EC), C32(0xB9645191),
C32(0xE0078B86), C32(0xBB7C44C9), C32(0xD2B5C1CA), C32(0xB0D2EB8C),
C32(0x14CE5A45), C32(0x22AF50DC), C32(0xEFFDBC6B), C32(0xEB21B74A)
};
static const sph_u32 B_init_256[] = {
C32(0xB555C6EE), C32(0x3E710596), C32(0xA72A652F), C32(0x9301515F),
C32(0xDA28C1FA), C32(0x696FD868), C32(0x9CB6BF72), C32(0x0AFE4002),
C32(0xA6E03615), C32(0x5138C1D4), C32(0xBE216306), C32(0xB38B8890),
C32(0x3EA8B96B), C32(0x3299ACE4), C32(0x30924DD4), C32(0x55CB34A5)
};
static const sph_u32 C_init_256[] = {
C32(0xB405F031), C32(0xC4233EBA), C32(0xB3733979), C32(0xC0DD9D55),
C32(0xC51C28AE), C32(0xA327B8E1), C32(0x56C56167), C32(0xED614433),
C32(0x88B59D60), C32(0x60E2CEBA), C32(0x758B4B8B), C32(0x83E82A7F),
C32(0xBC968828), C32(0xE6E00BF7), C32(0xBA839E55), C32(0x9B491C60)
};
static const sph_u32 A_init_384[] = {
C32(0xC8FCA331), C32(0xE55C504E), C32(0x003EBF26), C32(0xBB6B8D83),
C32(0x7B0448C1), C32(0x41B82789), C32(0x0A7C9601), C32(0x8D659CFF),
C32(0xB6E2673E), C32(0xCA54C77B), C32(0x1460FD7E), C32(0x3FCB8F2D)
};
static const sph_u32 B_init_384[] = {
C32(0x527291FC), C32(0x2A16455F), C32(0x78E627E5), C32(0x944F169F),
C32(0x1CA6F016), C32(0xA854EA25), C32(0x8DB98ABE), C32(0xF2C62641),
C32(0x30117DCB), C32(0xCF5C4309), C32(0x93711A25), C32(0xF9F671B8),
C32(0xB01D2116), C32(0x333F4B89), C32(0xB285D165), C32(0x86829B36)
};
static const sph_u32 C_init_384[] = {
C32(0xF764B11A), C32(0x76172146), C32(0xCEF6934D), C32(0xC6D28399),
C32(0xFE095F61), C32(0x5E6018B4), C32(0x5048ECF5), C32(0x51353261),
C32(0x6E6E36DC), C32(0x63130DAD), C32(0xA9C69BD6), C32(0x1E90EA0C),
C32(0x7C35073B), C32(0x28D95E6D), C32(0xAA340E0D), C32(0xCB3DEE70)
};
static const sph_u32 A_init_512[] = {
C32(0x20728DFD), C32(0x46C0BD53), C32(0xE782B699), C32(0x55304632),
C32(0x71B4EF90), C32(0x0EA9E82C), C32(0xDBB930F1), C32(0xFAD06B8B),
C32(0xBE0CAE40), C32(0x8BD14410), C32(0x76D2ADAC), C32(0x28ACAB7F)
};
static const sph_u32 B_init_512[] = {
C32(0xC1099CB7), C32(0x07B385F3), C32(0xE7442C26), C32(0xCC8AD640),
C32(0xEB6F56C7), C32(0x1EA81AA9), C32(0x73B9D314), C32(0x1DE85D08),
C32(0x48910A5A), C32(0x893B22DB), C32(0xC5A0DF44), C32(0xBBC4324E),
C32(0x72D2F240), C32(0x75941D99), C32(0x6D8BDE82), C32(0xA1A7502B)
};
static const sph_u32 C_init_512[] = {
C32(0xD9BF68D1), C32(0x58BAD750), C32(0x56028CB2), C32(0x8134F359),
C32(0xB5D469D8), C32(0x941A8CC2), C32(0x418B2A6E), C32(0x04052780),
C32(0x7F07D787), C32(0x5194358F), C32(0x3C60D665), C32(0xBE97D79A),
C32(0x950C3434), C32(0xAED9A06D), C32(0x2537DC8D), C32(0x7CDB5969)
};
/* END -- automatically generated code. */
static void
shabal_init(void *cc, unsigned size)
{
/*
* We have precomputed initial states for all the supported
* output bit lengths.
*/
const sph_u32 *A_init, *B_init, *C_init;
sph_shabal_context *sc;
switch (size) {
case 192:
A_init = A_init_192;
B_init = B_init_192;
C_init = C_init_192;
break;
case 224:
A_init = A_init_224;
B_init = B_init_224;
C_init = C_init_224;
break;
case 256:
A_init = A_init_256;
B_init = B_init_256;
C_init = C_init_256;
break;
case 384:
A_init = A_init_384;
B_init = B_init_384;
C_init = C_init_384;
break;
case 512:
A_init = A_init_512;
B_init = B_init_512;
C_init = C_init_512;
break;
default:
return;
}
sc = (sph_shabal_context *)cc;
memcpy(sc->A, A_init, sizeof sc->A);
memcpy(sc->B, B_init, sizeof sc->B);
memcpy(sc->C, C_init, sizeof sc->C);
sc->Wlow = 1;
sc->Whigh = 0;
sc->ptr = 0;
}
static void
shabal_core(void *cc, const unsigned char *data, size_t len)
{
sph_shabal_context *sc;
unsigned char *buf;
size_t ptr;
DECL_STATE
sc = (sph_shabal_context *)cc;
buf = sc->buf;
ptr = sc->ptr;
/*
* We do not want to copy the state to local variables if the
* amount of data is less than what is needed to complete the
* current block. Note that it is anyway suboptimal to call
* this method many times for small chunks of data.
*/
if (len < (sizeof sc->buf) - ptr) {
memcpy(buf + ptr, data, len);
ptr += len;
sc->ptr = ptr;
return;
}
READ_STATE(sc);
while (len > 0) {
size_t clen;
clen = (sizeof sc->buf) - ptr;
if (clen > len)
clen = len;
memcpy(buf + ptr, data, clen);
ptr += clen;
data += clen;
len -= clen;
if (ptr == sizeof sc->buf) {
DECODE_BLOCK;
INPUT_BLOCK_ADD;
XOR_W;
APPLY_P;
INPUT_BLOCK_SUB;
SWAP_BC;
INCR_W;
ptr = 0;
}
}
WRITE_STATE(sc);
sc->ptr = ptr;
}
static void
shabal_close(void *cc, unsigned ub, unsigned n, void *dst, unsigned size_words)
{
sph_shabal_context *sc;
unsigned char *buf;
size_t ptr;
int i;
unsigned z;
union {
unsigned char tmp_out[64];
sph_u32 dummy;
} u;
size_t out_len;
DECL_STATE
sc = (sph_shabal_context *)cc;
buf = sc->buf;
ptr = sc->ptr;
z = 0x80 >> n;
buf[ptr] = ((ub & -z) | z) & 0xFF;
memset(buf + ptr + 1, 0, (sizeof sc->buf) - (ptr + 1));
READ_STATE(sc);
DECODE_BLOCK;
INPUT_BLOCK_ADD;
XOR_W;
APPLY_P;
for (i = 0; i < 3; i ++) {
SWAP_BC;
XOR_W;
APPLY_P;
}
/*
* We just use our local variables; no need to go through
* the state structure. In order to share some code, we
* emit the relevant words into a temporary buffer, which
* we finally copy into the destination array.
*/
switch (size_words) {
case 16:
sph_enc32le_aligned(u.tmp_out + 0, B0);
sph_enc32le_aligned(u.tmp_out + 4, B1);
sph_enc32le_aligned(u.tmp_out + 8, B2);
sph_enc32le_aligned(u.tmp_out + 12, B3);
/* fall through */
case 12:
sph_enc32le_aligned(u.tmp_out + 16, B4);
sph_enc32le_aligned(u.tmp_out + 20, B5);
sph_enc32le_aligned(u.tmp_out + 24, B6);
sph_enc32le_aligned(u.tmp_out + 28, B7);
/* fall through */
case 8:
sph_enc32le_aligned(u.tmp_out + 32, B8);
/* fall through */
case 7:
sph_enc32le_aligned(u.tmp_out + 36, B9);
/* fall through */
case 6:
sph_enc32le_aligned(u.tmp_out + 40, BA);
sph_enc32le_aligned(u.tmp_out + 44, BB);
sph_enc32le_aligned(u.tmp_out + 48, BC);
sph_enc32le_aligned(u.tmp_out + 52, BD);
sph_enc32le_aligned(u.tmp_out + 56, BE);
sph_enc32le_aligned(u.tmp_out + 60, BF);
break;
default:
return;
}
out_len = size_words << 2;
memcpy(dst, u.tmp_out + (sizeof u.tmp_out) - out_len, out_len);
shabal_init(sc, size_words << 5);
}
/* see sph_shabal.h */
void
sph_shabal192_init(void *cc)
{
shabal_init(cc, 192);
}
/* see sph_shabal.h */
void
sph_shabal192(void *cc, const void *data, size_t len)
{
shabal_core(cc, (const unsigned char*)data, len);
}
/* see sph_shabal.h */
void
sph_shabal192_close(void *cc, void *dst)
{
shabal_close(cc, 0, 0, dst, 6);
}
/* see sph_shabal.h */
void
sph_shabal192_addbits_and_close(void *cc, unsigned ub, unsigned n, void *dst)
{
shabal_close(cc, ub, n, dst, 6);
}
/* see sph_shabal.h */
void
sph_shabal224_init(void *cc)
{
shabal_init(cc, 224);
}
/* see sph_shabal.h */
void
sph_shabal224(void *cc, const void *data, size_t len)
{
shabal_core(cc, (const unsigned char*)data, len);
}
/* see sph_shabal.h */
void
sph_shabal224_close(void *cc, void *dst)
{
shabal_close(cc, 0, 0, dst, 7);
}
/* see sph_shabal.h */
void
sph_shabal224_addbits_and_close(void *cc, unsigned ub, unsigned n, void *dst)
{
shabal_close(cc, ub, n, dst, 7);
}
/* see sph_shabal.h */
void
sph_shabal256_init(void *cc)
{
shabal_init(cc, 256);
}
/* see sph_shabal.h */
void
sph_shabal256(void *cc, const void *data, size_t len)
{
shabal_core(cc, (const unsigned char*)data, len);
}
/* see sph_shabal.h */
void
sph_shabal256_close(void *cc, void *dst)
{
shabal_close(cc, 0, 0, dst, 8);
}
/* see sph_shabal.h */
void
sph_shabal256_addbits_and_close(void *cc, unsigned ub, unsigned n, void *dst)
{
shabal_close(cc, ub, n, dst, 8);
}
/* see sph_shabal.h */
void
sph_shabal384_init(void *cc)
{
shabal_init(cc, 384);
}
/* see sph_shabal.h */
void
sph_shabal384(void *cc, const void *data, size_t len)
{
shabal_core(cc, (const unsigned char*)data, len);
}
/* see sph_shabal.h */
void
sph_shabal384_close(void *cc, void *dst)
{
shabal_close(cc, 0, 0, dst, 12);
}
/* see sph_shabal.h */
void
sph_shabal384_addbits_and_close(void *cc, unsigned ub, unsigned n, void *dst)
{
shabal_close(cc, ub, n, dst, 12);
}
/* see sph_shabal.h */
void
sph_shabal512_init(void *cc)
{
shabal_init(cc, 512);
}
/* see sph_shabal.h */
void
sph_shabal512(void *cc, const void *data, size_t len)
{
shabal_core(cc, (const unsigned char*)data, len);
}
/* see sph_shabal.h */
void
sph_shabal512_close(void *cc, void *dst)
{
shabal_close(cc, 0, 0, dst, 16);
}
/* see sph_shabal.h */
void
sph_shabal512_addbits_and_close(void *cc, unsigned ub, unsigned n, void *dst)
{
shabal_close(cc, ub, n, dst, 16);
}
#ifdef __cplusplus
}
#endif
Write Preview
Loading…
Cancel
Save