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sgminer/kernel/keccak.cl

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/* $Id: keccak.c 259 2011-07-19 22:11:27Z tp $ */
/*
* Keccak 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>
*/
#ifdef __cplusplus
extern "C"{
#endif
/*
* Parameters:
*
* SPH_KECCAK_64 use a 64-bit type
* SPH_KECCAK_UNROLL number of loops to unroll (0/undef for full unroll)
* SPH_KECCAK_INTERLEAVE use bit-interleaving (32-bit type only)
* SPH_KECCAK_NOCOPY do not copy the state into local variables
*
* If there is no usable 64-bit type, the code automatically switches
* back to the 32-bit implementation.
*
* Some tests on an Intel Core2 Q6600 (both 64-bit and 32-bit, 32 kB L1
* code cache), a PowerPC (G3, 32 kB L1 code cache), an ARM920T core
* (16 kB L1 code cache), and a small MIPS-compatible CPU (Broadcom BCM3302,
* 8 kB L1 code cache), seem to show that the following are optimal:
*
* -- x86, 64-bit: use the 64-bit implementation, unroll 8 rounds,
* do not copy the state; unrolling 2, 6 or all rounds also provides
* near-optimal performance.
* -- x86, 32-bit: use the 32-bit implementation, unroll 6 rounds,
* interleave, do not copy the state. Unrolling 1, 2, 4 or 8 rounds
* also provides near-optimal performance.
* -- PowerPC: use the 64-bit implementation, unroll 8 rounds,
* copy the state. Unrolling 4 or 6 rounds is near-optimal.
* -- ARM: use the 64-bit implementation, unroll 2 or 4 rounds,
* copy the state.
* -- MIPS: use the 64-bit implementation, unroll 2 rounds, copy
* the state. Unrolling only 1 round is also near-optimal.
*
* Also, interleaving does not always yield actual improvements when
* using a 32-bit implementation; in particular when the architecture
* does not offer a native rotation opcode (interleaving replaces one
* 64-bit rotation with two 32-bit rotations, which is a gain only if
* there is a native 32-bit rotation opcode and not a native 64-bit
* rotation opcode; also, interleaving implies a small overhead when
* processing input words).
*
* To sum up:
* -- when possible, use the 64-bit code
* -- exception: on 32-bit x86, use 32-bit code
* -- when using 32-bit code, use interleaving
* -- copy the state, except on x86
* -- unroll 8 rounds on "big" machine, 2 rounds on "small" machines
*/
/*
* Unroll 8 rounds on big systems, 2 rounds on small systems.
*/
#ifndef SPH_KECCAK_UNROLL
#if SPH_SMALL_FOOTPRINT_KECCAK
#define SPH_KECCAK_UNROLL 2
#else
#define SPH_KECCAK_UNROLL 8
#endif
#endif
__constant static const sph_u64 RC[] = {
SPH_C64(0x0000000000000001), SPH_C64(0x0000000000008082),
SPH_C64(0x800000000000808A), SPH_C64(0x8000000080008000),
SPH_C64(0x000000000000808B), SPH_C64(0x0000000080000001),
SPH_C64(0x8000000080008081), SPH_C64(0x8000000000008009),
SPH_C64(0x000000000000008A), SPH_C64(0x0000000000000088),
SPH_C64(0x0000000080008009), SPH_C64(0x000000008000000A),
SPH_C64(0x000000008000808B), SPH_C64(0x800000000000008B),
SPH_C64(0x8000000000008089), SPH_C64(0x8000000000008003),
SPH_C64(0x8000000000008002), SPH_C64(0x8000000000000080),
SPH_C64(0x000000000000800A), SPH_C64(0x800000008000000A),
SPH_C64(0x8000000080008081), SPH_C64(0x8000000000008080),
SPH_C64(0x0000000080000001), SPH_C64(0x8000000080008008)
};
#define DECL64(x) sph_u64 x
#define MOV64(d, s) (d = s)
#define XOR64(d, a, b) (d = a ^ b)
#define AND64(d, a, b) (d = a & b)
#define OR64(d, a, b) (d = a | b)
#define NOT64(d, s) (d = SPH_T64(~s))
#define ROL64(d, v, n) (d = SPH_ROTL64(v, n))
#define XOR64_IOTA XOR64
#define TH_ELT(t, c0, c1, c2, c3, c4, d0, d1, d2, d3, d4) do { \
DECL64(tt0); \
DECL64(tt1); \
DECL64(tt2); \
DECL64(tt3); \
XOR64(tt0, d0, d1); \
XOR64(tt1, d2, d3); \
XOR64(tt0, tt0, d4); \
XOR64(tt0, tt0, tt1); \
ROL64(tt0, tt0, 1); \
XOR64(tt2, c0, c1); \
XOR64(tt3, c2, c3); \
XOR64(tt0, tt0, c4); \
XOR64(tt2, tt2, tt3); \
XOR64(t, tt0, tt2); \
} while (0)
#define THETA(b00, b01, b02, b03, b04, b10, b11, b12, b13, b14, \
b20, b21, b22, b23, b24, b30, b31, b32, b33, b34, \
b40, b41, b42, b43, b44) \
do { \
DECL64(t0); \
DECL64(t1); \
DECL64(t2); \
DECL64(t3); \
DECL64(t4); \
TH_ELT(t0, b40, b41, b42, b43, b44, b10, b11, b12, b13, b14); \
TH_ELT(t1, b00, b01, b02, b03, b04, b20, b21, b22, b23, b24); \
TH_ELT(t2, b10, b11, b12, b13, b14, b30, b31, b32, b33, b34); \
TH_ELT(t3, b20, b21, b22, b23, b24, b40, b41, b42, b43, b44); \
TH_ELT(t4, b30, b31, b32, b33, b34, b00, b01, b02, b03, b04); \
XOR64(b00, b00, t0); \
XOR64(b01, b01, t0); \
XOR64(b02, b02, t0); \
XOR64(b03, b03, t0); \
XOR64(b04, b04, t0); \
XOR64(b10, b10, t1); \
XOR64(b11, b11, t1); \
XOR64(b12, b12, t1); \
XOR64(b13, b13, t1); \
XOR64(b14, b14, t1); \
XOR64(b20, b20, t2); \
XOR64(b21, b21, t2); \
XOR64(b22, b22, t2); \
XOR64(b23, b23, t2); \
XOR64(b24, b24, t2); \
XOR64(b30, b30, t3); \
XOR64(b31, b31, t3); \
XOR64(b32, b32, t3); \
XOR64(b33, b33, t3); \
XOR64(b34, b34, t3); \
XOR64(b40, b40, t4); \
XOR64(b41, b41, t4); \
XOR64(b42, b42, t4); \
XOR64(b43, b43, t4); \
XOR64(b44, b44, t4); \
} while (0)
#define RHO(b00, b01, b02, b03, b04, b10, b11, b12, b13, b14, \
b20, b21, b22, b23, b24, b30, b31, b32, b33, b34, \
b40, b41, b42, b43, b44) \
do { \
/* ROL64(b00, b00, 0); */ \
ROL64(b01, b01, 36); \
ROL64(b02, b02, 3); \
ROL64(b03, b03, 41); \
ROL64(b04, b04, 18); \
ROL64(b10, b10, 1); \
ROL64(b11, b11, 44); \
ROL64(b12, b12, 10); \
ROL64(b13, b13, 45); \
ROL64(b14, b14, 2); \
ROL64(b20, b20, 62); \
ROL64(b21, b21, 6); \
ROL64(b22, b22, 43); \
ROL64(b23, b23, 15); \
ROL64(b24, b24, 61); \
ROL64(b30, b30, 28); \
ROL64(b31, b31, 55); \
ROL64(b32, b32, 25); \
ROL64(b33, b33, 21); \
ROL64(b34, b34, 56); \
ROL64(b40, b40, 27); \
ROL64(b41, b41, 20); \
ROL64(b42, b42, 39); \
ROL64(b43, b43, 8); \
ROL64(b44, b44, 14); \
} while (0)
/*
* The KHI macro integrates the "lane complement" optimization. On input,
* some words are complemented:
* a00 a01 a02 a04 a13 a20 a21 a22 a30 a33 a34 a43
* On output, the following words are complemented:
* a04 a10 a20 a22 a23 a31
*
* The (implicit) permutation and the theta expansion will bring back
* the input mask for the next round.
*/
#define KHI_XO(d, a, b, c) do { \
DECL64(kt); \
OR64(kt, b, c); \
XOR64(d, a, kt); \
} while (0)
#define KHI_XA(d, a, b, c) do { \
DECL64(kt); \
AND64(kt, b, c); \
XOR64(d, a, kt); \
} while (0)
#define KHI(b00, b01, b02, b03, b04, b10, b11, b12, b13, b14, \
b20, b21, b22, b23, b24, b30, b31, b32, b33, b34, \
b40, b41, b42, b43, b44) \
do { \
DECL64(c0); \
DECL64(c1); \
DECL64(c2); \
DECL64(c3); \
DECL64(c4); \
DECL64(bnn); \
NOT64(bnn, b20); \
KHI_XO(c0, b00, b10, b20); \
KHI_XO(c1, b10, bnn, b30); \
KHI_XA(c2, b20, b30, b40); \
KHI_XO(c3, b30, b40, b00); \
KHI_XA(c4, b40, b00, b10); \
MOV64(b00, c0); \
MOV64(b10, c1); \
MOV64(b20, c2); \
MOV64(b30, c3); \
MOV64(b40, c4); \
NOT64(bnn, b41); \
KHI_XO(c0, b01, b11, b21); \
KHI_XA(c1, b11, b21, b31); \
KHI_XO(c2, b21, b31, bnn); \
KHI_XO(c3, b31, b41, b01); \
KHI_XA(c4, b41, b01, b11); \
MOV64(b01, c0); \
MOV64(b11, c1); \
MOV64(b21, c2); \
MOV64(b31, c3); \
MOV64(b41, c4); \
NOT64(bnn, b32); \
KHI_XO(c0, b02, b12, b22); \
KHI_XA(c1, b12, b22, b32); \
KHI_XA(c2, b22, bnn, b42); \
KHI_XO(c3, bnn, b42, b02); \
KHI_XA(c4, b42, b02, b12); \
MOV64(b02, c0); \
MOV64(b12, c1); \
MOV64(b22, c2); \
MOV64(b32, c3); \
MOV64(b42, c4); \
NOT64(bnn, b33); \
KHI_XA(c0, b03, b13, b23); \
KHI_XO(c1, b13, b23, b33); \
KHI_XO(c2, b23, bnn, b43); \
KHI_XA(c3, bnn, b43, b03); \
KHI_XO(c4, b43, b03, b13); \
MOV64(b03, c0); \
MOV64(b13, c1); \
MOV64(b23, c2); \
MOV64(b33, c3); \
MOV64(b43, c4); \
NOT64(bnn, b14); \
KHI_XA(c0, b04, bnn, b24); \
KHI_XO(c1, bnn, b24, b34); \
KHI_XA(c2, b24, b34, b44); \
KHI_XO(c3, b34, b44, b04); \
KHI_XA(c4, b44, b04, b14); \
MOV64(b04, c0); \
MOV64(b14, c1); \
MOV64(b24, c2); \
MOV64(b34, c3); \
MOV64(b44, c4); \
} while (0)
#define IOTA(r) XOR64_IOTA(a00, a00, r)
#define P0 a00, a01, a02, a03, a04, a10, a11, a12, a13, a14, a20, a21, \
a22, a23, a24, a30, a31, a32, a33, a34, a40, a41, a42, a43, a44
#define P1 a00, a30, a10, a40, a20, a11, a41, a21, a01, a31, a22, a02, \
a32, a12, a42, a33, a13, a43, a23, a03, a44, a24, a04, a34, a14
#define P2 a00, a33, a11, a44, a22, a41, a24, a02, a30, a13, a32, a10, \
a43, a21, a04, a23, a01, a34, a12, a40, a14, a42, a20, a03, a31
#define P3 a00, a23, a41, a14, a32, a24, a42, a10, a33, a01, a43, a11, \
a34, a02, a20, a12, a30, a03, a21, a44, a31, a04, a22, a40, a13
#define P4 a00, a12, a24, a31, a43, a42, a04, a11, a23, a30, a34, a41, \
a03, a10, a22, a21, a33, a40, a02, a14, a13, a20, a32, a44, a01
#define P5 a00, a21, a42, a13, a34, a04, a20, a41, a12, a33, a03, a24, \
a40, a11, a32, a02, a23, a44, a10, a31, a01, a22, a43, a14, a30
#define P6 a00, a02, a04, a01, a03, a20, a22, a24, a21, a23, a40, a42, \
a44, a41, a43, a10, a12, a14, a11, a13, a30, a32, a34, a31, a33
#define P7 a00, a10, a20, a30, a40, a22, a32, a42, a02, a12, a44, a04, \
a14, a24, a34, a11, a21, a31, a41, a01, a33, a43, a03, a13, a23
#define P8 a00, a11, a22, a33, a44, a32, a43, a04, a10, a21, a14, a20, \
a31, a42, a03, a41, a02, a13, a24, a30, a23, a34, a40, a01, a12
#define P9 a00, a41, a32, a23, a14, a43, a34, a20, a11, a02, a31, a22, \
a13, a04, a40, a24, a10, a01, a42, a33, a12, a03, a44, a30, a21
#define P10 a00, a24, a43, a12, a31, a34, a03, a22, a41, a10, a13, a32, \
a01, a20, a44, a42, a11, a30, a04, a23, a21, a40, a14, a33, a02
#define P11 a00, a42, a34, a21, a13, a03, a40, a32, a24, a11, a01, a43, \
a30, a22, a14, a04, a41, a33, a20, a12, a02, a44, a31, a23, a10
#define P12 a00, a04, a03, a02, a01, a40, a44, a43, a42, a41, a30, a34, \
a33, a32, a31, a20, a24, a23, a22, a21, a10, a14, a13, a12, a11
#define P13 a00, a20, a40, a10, a30, a44, a14, a34, a04, a24, a33, a03, \
a23, a43, a13, a22, a42, a12, a32, a02, a11, a31, a01, a21, a41
#define P14 a00, a22, a44, a11, a33, a14, a31, a03, a20, a42, a23, a40, \
a12, a34, a01, a32, a04, a21, a43, a10, a41, a13, a30, a02, a24
#define P15 a00, a32, a14, a41, a23, a31, a13, a40, a22, a04, a12, a44, \
a21, a03, a30, a43, a20, a02, a34, a11, a24, a01, a33, a10, a42
#define P16 a00, a43, a31, a24, a12, a13, a01, a44, a32, a20, a21, a14, \
a02, a40, a33, a34, a22, a10, a03, a41, a42, a30, a23, a11, a04
#define P17 a00, a34, a13, a42, a21, a01, a30, a14, a43, a22, a02, a31, \
a10, a44, a23, a03, a32, a11, a40, a24, a04, a33, a12, a41, a20
#define P18 a00, a03, a01, a04, a02, a30, a33, a31, a34, a32, a10, a13, \
a11, a14, a12, a40, a43, a41, a44, a42, a20, a23, a21, a24, a22
#define P19 a00, a40, a30, a20, a10, a33, a23, a13, a03, a43, a11, a01, \
a41, a31, a21, a44, a34, a24, a14, a04, a22, a12, a02, a42, a32
#define P20 a00, a44, a33, a22, a11, a23, a12, a01, a40, a34, a41, a30, \
a24, a13, a02, a14, a03, a42, a31, a20, a32, a21, a10, a04, a43
#define P21 a00, a14, a23, a32, a41, a12, a21, a30, a44, a03, a24, a33, \
a42, a01, a10, a31, a40, a04, a13, a22, a43, a02, a11, a20, a34
#define P22 a00, a31, a12, a43, a24, a21, a02, a33, a14, a40, a42, a23, \
a04, a30, a11, a13, a44, a20, a01, a32, a34, a10, a41, a22, a03
#define P23 a00, a13, a21, a34, a42, a02, a10, a23, a31, a44, a04, a12, \
a20, a33, a41, a01, a14, a22, a30, a43, a03, a11, a24, a32, a40
#define P1_TO_P0 do { \
DECL64(t); \
MOV64(t, a01); \
MOV64(a01, a30); \
MOV64(a30, a33); \
MOV64(a33, a23); \
MOV64(a23, a12); \
MOV64(a12, a21); \
MOV64(a21, a02); \
MOV64(a02, a10); \
MOV64(a10, a11); \
MOV64(a11, a41); \
MOV64(a41, a24); \
MOV64(a24, a42); \
MOV64(a42, a04); \
MOV64(a04, a20); \
MOV64(a20, a22); \
MOV64(a22, a32); \
MOV64(a32, a43); \
MOV64(a43, a34); \
MOV64(a34, a03); \
MOV64(a03, a40); \
MOV64(a40, a44); \
MOV64(a44, a14); \
MOV64(a14, a31); \
MOV64(a31, a13); \
MOV64(a13, t); \
} while (0)
#define P2_TO_P0 do { \
DECL64(t); \
MOV64(t, a01); \
MOV64(a01, a33); \
MOV64(a33, a12); \
MOV64(a12, a02); \
MOV64(a02, a11); \
MOV64(a11, a24); \
MOV64(a24, a04); \
MOV64(a04, a22); \
MOV64(a22, a43); \
MOV64(a43, a03); \
MOV64(a03, a44); \
MOV64(a44, a31); \
MOV64(a31, t); \
MOV64(t, a10); \
MOV64(a10, a41); \
MOV64(a41, a42); \
MOV64(a42, a20); \
MOV64(a20, a32); \
MOV64(a32, a34); \
MOV64(a34, a40); \
MOV64(a40, a14); \
MOV64(a14, a13); \
MOV64(a13, a30); \
MOV64(a30, a23); \
MOV64(a23, a21); \
MOV64(a21, t); \
} while (0)
#define P4_TO_P0 do { \
DECL64(t); \
MOV64(t, a01); \
MOV64(a01, a12); \
MOV64(a12, a11); \
MOV64(a11, a04); \
MOV64(a04, a43); \
MOV64(a43, a44); \
MOV64(a44, t); \
MOV64(t, a02); \
MOV64(a02, a24); \
MOV64(a24, a22); \
MOV64(a22, a03); \
MOV64(a03, a31); \
MOV64(a31, a33); \
MOV64(a33, t); \
MOV64(t, a10); \
MOV64(a10, a42); \
MOV64(a42, a32); \
MOV64(a32, a40); \
MOV64(a40, a13); \
MOV64(a13, a23); \
MOV64(a23, t); \
MOV64(t, a14); \
MOV64(a14, a30); \
MOV64(a30, a21); \
MOV64(a21, a41); \
MOV64(a41, a20); \
MOV64(a20, a34); \
MOV64(a34, t); \
} while (0)
#define P6_TO_P0 do { \
DECL64(t); \
MOV64(t, a01); \
MOV64(a01, a02); \
MOV64(a02, a04); \
MOV64(a04, a03); \
MOV64(a03, t); \
MOV64(t, a10); \
MOV64(a10, a20); \
MOV64(a20, a40); \
MOV64(a40, a30); \
MOV64(a30, t); \
MOV64(t, a11); \
MOV64(a11, a22); \
MOV64(a22, a44); \
MOV64(a44, a33); \
MOV64(a33, t); \
MOV64(t, a12); \
MOV64(a12, a24); \
MOV64(a24, a43); \
MOV64(a43, a31); \
MOV64(a31, t); \
MOV64(t, a13); \
MOV64(a13, a21); \
MOV64(a21, a42); \
MOV64(a42, a34); \
MOV64(a34, t); \
MOV64(t, a14); \
MOV64(a14, a23); \
MOV64(a23, a41); \
MOV64(a41, a32); \
MOV64(a32, t); \
} while (0)
#define P8_TO_P0 do { \
DECL64(t); \
MOV64(t, a01); \
MOV64(a01, a11); \
MOV64(a11, a43); \
MOV64(a43, t); \
MOV64(t, a02); \
MOV64(a02, a22); \
MOV64(a22, a31); \
MOV64(a31, t); \
MOV64(t, a03); \
MOV64(a03, a33); \
MOV64(a33, a24); \
MOV64(a24, t); \
MOV64(t, a04); \
MOV64(a04, a44); \
MOV64(a44, a12); \
MOV64(a12, t); \
MOV64(t, a10); \
MOV64(a10, a32); \
MOV64(a32, a13); \
MOV64(a13, t); \
MOV64(t, a14); \
MOV64(a14, a21); \
MOV64(a21, a20); \
MOV64(a20, t); \
MOV64(t, a23); \
MOV64(a23, a42); \
MOV64(a42, a40); \
MOV64(a40, t); \
MOV64(t, a30); \
MOV64(a30, a41); \
MOV64(a41, a34); \
MOV64(a34, t); \
} while (0)
#define P12_TO_P0 do { \
DECL64(t); \
MOV64(t, a01); \
MOV64(a01, a04); \
MOV64(a04, t); \
MOV64(t, a02); \
MOV64(a02, a03); \
MOV64(a03, t); \
MOV64(t, a10); \
MOV64(a10, a40); \
MOV64(a40, t); \
MOV64(t, a11); \
MOV64(a11, a44); \
MOV64(a44, t); \
MOV64(t, a12); \
MOV64(a12, a43); \
MOV64(a43, t); \
MOV64(t, a13); \
MOV64(a13, a42); \
MOV64(a42, t); \
MOV64(t, a14); \
MOV64(a14, a41); \
MOV64(a41, t); \
MOV64(t, a20); \
MOV64(a20, a30); \
MOV64(a30, t); \
MOV64(t, a21); \
MOV64(a21, a34); \
MOV64(a34, t); \
MOV64(t, a22); \
MOV64(a22, a33); \
MOV64(a33, t); \
MOV64(t, a23); \
MOV64(a23, a32); \
MOV64(a32, t); \
MOV64(t, a24); \
MOV64(a24, a31); \
MOV64(a31, t); \
} while (0)
#define LPAR (
#define RPAR )
#define KF_ELT(r, s, k) do { \
THETA LPAR P ## r RPAR; \
RHO LPAR P ## r RPAR; \
KHI LPAR P ## s RPAR; \
IOTA(k); \
} while (0)
#define DO(x) x
#define KECCAK_F_1600 DO(KECCAK_F_1600_)
#if SPH_KECCAK_UNROLL == 1
#define KECCAK_F_1600_ do { \
int j; \
for (j = 0; j < 24; j ++) { \
KF_ELT( 0, 1, RC[j + 0]); \
P1_TO_P0; \
} \
} while (0)
#elif SPH_KECCAK_UNROLL == 2
#define KECCAK_F_1600_ do { \
int j; \
for (j = 0; j < 24; j += 2) { \
KF_ELT( 0, 1, RC[j + 0]); \
KF_ELT( 1, 2, RC[j + 1]); \
P2_TO_P0; \
} \
} while (0)
#elif SPH_KECCAK_UNROLL == 4
#define KECCAK_F_1600_ do { \
int j; \
for (j = 0; j < 24; j += 4) { \
KF_ELT( 0, 1, RC[j + 0]); \
KF_ELT( 1, 2, RC[j + 1]); \
KF_ELT( 2, 3, RC[j + 2]); \
KF_ELT( 3, 4, RC[j + 3]); \
P4_TO_P0; \
} \
} while (0)
#elif SPH_KECCAK_UNROLL == 6
#define KECCAK_F_1600_ do { \
int j; \
for (j = 0; j < 24; j += 6) { \
KF_ELT( 0, 1, RC[j + 0]); \
KF_ELT( 1, 2, RC[j + 1]); \
KF_ELT( 2, 3, RC[j + 2]); \
KF_ELT( 3, 4, RC[j + 3]); \
KF_ELT( 4, 5, RC[j + 4]); \
KF_ELT( 5, 6, RC[j + 5]); \
P6_TO_P0; \
} \
} while (0)
#elif SPH_KECCAK_UNROLL == 8
#define KECCAK_F_1600_ do { \
int j; \
for (j = 0; j < 24; j += 8) { \
KF_ELT( 0, 1, RC[j + 0]); \
KF_ELT( 1, 2, RC[j + 1]); \
KF_ELT( 2, 3, RC[j + 2]); \
KF_ELT( 3, 4, RC[j + 3]); \
KF_ELT( 4, 5, RC[j + 4]); \
KF_ELT( 5, 6, RC[j + 5]); \
KF_ELT( 6, 7, RC[j + 6]); \
KF_ELT( 7, 8, RC[j + 7]); \
P8_TO_P0; \
} \
} while (0)
#elif SPH_KECCAK_UNROLL == 12
#define KECCAK_F_1600_ do { \
int j; \
for (j = 0; j < 24; j += 12) { \
KF_ELT( 0, 1, RC[j + 0]); \
KF_ELT( 1, 2, RC[j + 1]); \
KF_ELT( 2, 3, RC[j + 2]); \
KF_ELT( 3, 4, RC[j + 3]); \
KF_ELT( 4, 5, RC[j + 4]); \
KF_ELT( 5, 6, RC[j + 5]); \
KF_ELT( 6, 7, RC[j + 6]); \
KF_ELT( 7, 8, RC[j + 7]); \
KF_ELT( 8, 9, RC[j + 8]); \
KF_ELT( 9, 10, RC[j + 9]); \
KF_ELT(10, 11, RC[j + 10]); \
KF_ELT(11, 12, RC[j + 11]); \
P12_TO_P0; \
} \
} while (0)
#elif SPH_KECCAK_UNROLL == 0
#define KECCAK_F_1600_ do { \
KF_ELT( 0, 1, RC[ 0]); \
KF_ELT( 1, 2, RC[ 1]); \
KF_ELT( 2, 3, RC[ 2]); \
KF_ELT( 3, 4, RC[ 3]); \
KF_ELT( 4, 5, RC[ 4]); \
KF_ELT( 5, 6, RC[ 5]); \
KF_ELT( 6, 7, RC[ 6]); \
KF_ELT( 7, 8, RC[ 7]); \
KF_ELT( 8, 9, RC[ 8]); \
KF_ELT( 9, 10, RC[ 9]); \
KF_ELT(10, 11, RC[10]); \
KF_ELT(11, 12, RC[11]); \
KF_ELT(12, 13, RC[12]); \
KF_ELT(13, 14, RC[13]); \
KF_ELT(14, 15, RC[14]); \
KF_ELT(15, 16, RC[15]); \
KF_ELT(16, 17, RC[16]); \
KF_ELT(17, 18, RC[17]); \
KF_ELT(18, 19, RC[18]); \
KF_ELT(19, 20, RC[19]); \
KF_ELT(20, 21, RC[20]); \
KF_ELT(21, 22, RC[21]); \
KF_ELT(22, 23, RC[22]); \
KF_ELT(23, 0, RC[23]); \
} while (0)
#else
#error Unimplemented unroll count for Keccak.
#endif