forked from ghostlander/nsgminer
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neoscrypt_vliw.cl
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/
neoscrypt_vliw.cl
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/*
* Copyright (c) 2014-2017 John Doering <ghostlander@phoenixcoin.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/* NeoScrypt(128, 2, 1) with Salsa20/20 and ChaCha20/20
* Optimised for the AMD VLIW4 and VLIW5 architectures
* v8b, 26-Dec-2017 */
#if (__ATI_RV770__) || (__ATI_RV730__) || (__ATI_RV710__)
/* AMD TeraScale with OpenCL / VLIW5 (all HD4000 series) */
#define OLD_VLIW 1
#endif
#if(__Cypress__) || (__Barts__) || (__Juniper__) || \
(__Turks__) || (__Caicos__) || (__Redwood__) || (__Cedar__) || \
(__BeaverCreek__) || (__WinterPark__) || (__Loveland__) || \
(__Cayman__) || (__Devastator__) || (__Scrapper__)
/* AMD TeraScale 2 / VLIW5 (all HD5000 series, most HD6000 series,
* some HD83x0 and HD84x0 OEM cards);
* AMD TeraScale 3 / VLIW4 (HD69x0, HD73x0, HD74x0, HD75x0, HD76x0,
* HD83x0, HD84x0, HD85x0, HD86x0, R5 220, R5 235[X] cards and APUs) */
#pragma OPENCL EXTENSION cl_amd_media_ops : enable
#endif
#define SALSA_SCALAR 0
#define CHACHA_SCALAR 0
#define BLAKE2S_SCALAR 0
#define FASTKDF_SCALAR 0
#define SALSA_UNROLL_LEVEL 4
#define CHACHA_UNROLL_LEVEL 4
#define BLAKE2S_COMPACT 0
/* Use amd_bitalign() because amd_bytealign() might be broken in old drivers */
/* 32-byte memcpy() of possibly unaligned memory to 4-byte aligned memory */
void neoscrypt_copy32(void *restrict dstp, const void *restrict srcp,
uint offset) {
uint *dst = (uint *) dstp;
uint *src = (uint *) srcp;
#if (OLD_VLIW)
offset <<= 3;
uint roffset = 32U - offset;
dst[0] = ((uint)((ulong)src[1] << roffset) | (src[0] >> offset));
dst[1] = ((uint)((ulong)src[2] << roffset) | (src[1] >> offset));
dst[2] = ((uint)((ulong)src[3] << roffset) | (src[2] >> offset));
dst[3] = ((uint)((ulong)src[4] << roffset) | (src[3] >> offset));
dst[4] = ((uint)((ulong)src[5] << roffset) | (src[4] >> offset));
dst[5] = ((uint)((ulong)src[6] << roffset) | (src[5] >> offset));
dst[6] = ((uint)((ulong)src[7] << roffset) | (src[6] >> offset));
dst[7] = ((uint)((ulong)src[8] << roffset) | (src[7] >> offset));
#else
offset = amd_bitalign(offset, offset, 29U);
dst[0] = amd_bitalign(src[1], src[0], offset);
dst[1] = amd_bitalign(src[2], src[1], offset);
dst[2] = amd_bitalign(src[3], src[2], offset);
dst[3] = amd_bitalign(src[4], src[3], offset);
dst[4] = amd_bitalign(src[5], src[4], offset);
dst[5] = amd_bitalign(src[6], src[5], offset);
dst[6] = amd_bitalign(src[7], src[6], offset);
dst[7] = amd_bitalign(src[8], src[7], offset);
#endif
}
/* 64-byte memcpy() of possibly unaligned memory to 4-byte aligned memory */
void neoscrypt_copy64(void *restrict dstp, const void *restrict srcp,
uint offset) {
uint *dst = (uint *) dstp;
uint *src = (uint *) srcp;
#if (OLD_VLIW)
offset <<= 3;
uint roffset = 32U - offset;
dst[0] = ((uint)((ulong)src[1] << roffset) | (src[0] >> offset));
dst[1] = ((uint)((ulong)src[2] << roffset) | (src[1] >> offset));
dst[2] = ((uint)((ulong)src[3] << roffset) | (src[2] >> offset));
dst[3] = ((uint)((ulong)src[4] << roffset) | (src[3] >> offset));
dst[4] = ((uint)((ulong)src[5] << roffset) | (src[4] >> offset));
dst[5] = ((uint)((ulong)src[6] << roffset) | (src[5] >> offset));
dst[6] = ((uint)((ulong)src[7] << roffset) | (src[6] >> offset));
dst[7] = ((uint)((ulong)src[8] << roffset) | (src[7] >> offset));
dst[8] = ((uint)((ulong)src[9] << roffset) | (src[8] >> offset));
dst[9] = ((uint)((ulong)src[10] << roffset) | (src[9] >> offset));
dst[10] = ((uint)((ulong)src[11] << roffset) | (src[10] >> offset));
dst[11] = ((uint)((ulong)src[12] << roffset) | (src[11] >> offset));
dst[12] = ((uint)((ulong)src[13] << roffset) | (src[12] >> offset));
dst[13] = ((uint)((ulong)src[14] << roffset) | (src[13] >> offset));
dst[14] = ((uint)((ulong)src[15] << roffset) | (src[14] >> offset));
dst[15] = ((uint)((ulong)src[16] << roffset) | (src[15] >> offset));
#else
offset = amd_bitalign(offset, offset, 29U);
dst[0] = amd_bitalign(src[1], src[0], offset);
dst[1] = amd_bitalign(src[2], src[1], offset);
dst[2] = amd_bitalign(src[3], src[2], offset);
dst[3] = amd_bitalign(src[4], src[3], offset);
dst[4] = amd_bitalign(src[5], src[4], offset);
dst[5] = amd_bitalign(src[6], src[5], offset);
dst[6] = amd_bitalign(src[7], src[6], offset);
dst[7] = amd_bitalign(src[8], src[7], offset);
dst[8] = amd_bitalign(src[9], src[8], offset);
dst[9] = amd_bitalign(src[10], src[9], offset);
dst[10] = amd_bitalign(src[11], src[10], offset);
dst[11] = amd_bitalign(src[12], src[11], offset);
dst[12] = amd_bitalign(src[13], src[12], offset);
dst[13] = amd_bitalign(src[14], src[13], offset);
dst[14] = amd_bitalign(src[15], src[14], offset);
dst[15] = amd_bitalign(src[16], src[15], offset);
#endif
}
/* 4-byte XOR of possibly unaligned memory to 4-byte aligned memory */
void neoscrypt_xor4_ua(uint *restrict dst, const uint *restrict src, uint offset) {
#if (OLD_VLIW)
offset <<= 3;
uint roffset = 32U - offset;
dst[0] ^= ((uint)((ulong)src[1] << roffset) | (src[0] >> offset));
#else
offset = amd_bitalign(offset, offset, 29U);
dst[0] ^= amd_bitalign(src[1], src[0], offset);
#endif
}
/* 32-byte XOR of possibly unaligned memory to 4-byte aligned memory (iterated) */
void neoscrypt_xor32_ua_it(void *restrict dstp, const void *restrict srcp,
uint offset, uint it) {
uint *dst = (uint *) dstp;
uint *src = (uint *) srcp;
uint i;
#if (OLD_VLIW)
offset <<= 3;
uint roffset = 32U - offset;
it <<= 3;
for(i = 0; i < it; i += 8) {
dst[i] ^= ((uint)((ulong)src[i + 1] << roffset) | (src[i] >> offset));
dst[i + 1] ^= ((uint)((ulong)src[i + 2] << roffset) | (src[i + 1] >> offset));
dst[i + 2] ^= ((uint)((ulong)src[i + 3] << roffset) | (src[i + 2] >> offset));
dst[i + 3] ^= ((uint)((ulong)src[i + 4] << roffset) | (src[i + 3] >> offset));
dst[i + 4] ^= ((uint)((ulong)src[i + 5] << roffset) | (src[i + 4] >> offset));
dst[i + 5] ^= ((uint)((ulong)src[i + 6] << roffset) | (src[i + 5] >> offset));
dst[i + 6] ^= ((uint)((ulong)src[i + 7] << roffset) | (src[i + 6] >> offset));
dst[i + 7] ^= ((uint)((ulong)src[i + 8] << roffset) | (src[i + 7] >> offset));
}
#else
offset = amd_bitalign(offset, offset, 29U);
it = amd_bitalign(it, it, 29U);
for(i = 0; i < it; i += 8) {
dst[i] ^= amd_bitalign(src[i + 1], src[i], offset);
dst[i + 1] ^= amd_bitalign(src[i + 2], src[i + 1], offset);
dst[i + 2] ^= amd_bitalign(src[i + 3], src[i + 2], offset);
dst[i + 3] ^= amd_bitalign(src[i + 4], src[i + 3], offset);
dst[i + 4] ^= amd_bitalign(src[i + 5], src[i + 4], offset);
dst[i + 5] ^= amd_bitalign(src[i + 6], src[i + 5], offset);
dst[i + 6] ^= amd_bitalign(src[i + 7], src[i + 6], offset);
dst[i + 7] ^= amd_bitalign(src[i + 8], src[i + 7], offset);
}
#endif
}
/* 32-byte XOR of 4-byte aligned memory to possibly unaligned memory */
void neoscrypt_xor32_au(void *restrict dstp, const void *restrict srcp,
uint offset) {
uint *dst = (uint *) dstp;
uint *src = (uint *) srcp;
uint roffset;
/* OpenCL cannot shift uint by 32 to zero value */
#if (OLD_VLIW)
offset <<= 3;
roffset = 32U - offset;
dst[0] ^= (src[0] << offset);
dst[1] ^= ((src[1] << offset) | (uint)((ulong)src[0] >> roffset));
dst[2] ^= ((src[2] << offset) | (uint)((ulong)src[1] >> roffset));
dst[3] ^= ((src[3] << offset) | (uint)((ulong)src[2] >> roffset));
dst[4] ^= ((src[4] << offset) | (uint)((ulong)src[3] >> roffset));
dst[5] ^= ((src[5] << offset) | (uint)((ulong)src[4] >> roffset));
dst[6] ^= ((src[6] << offset) | (uint)((ulong)src[5] >> roffset));
dst[7] ^= ((src[7] << offset) | (uint)((ulong)src[6] >> roffset));
dst[8] ^= (uint)((ulong)src[7] >> roffset);
#else
offset = amd_bitalign(offset, offset, 29U);
roffset = 32U - offset;
uint mask = amd_bitalign(0U, ~0U, offset);
dst[0] ^= amd_bitalign(src[0], bitselect(0U, src[0], mask), roffset);
dst[1] ^= amd_bitalign(src[1], bitselect(src[0], src[1], mask), roffset);
dst[2] ^= amd_bitalign(src[2], bitselect(src[1], src[2], mask), roffset);
dst[3] ^= amd_bitalign(src[3], bitselect(src[2], src[3], mask), roffset);
dst[4] ^= amd_bitalign(src[4], bitselect(src[3], src[4], mask), roffset);
dst[5] ^= amd_bitalign(src[5], bitselect(src[4], src[5], mask), roffset);
dst[6] ^= amd_bitalign(src[6], bitselect(src[5], src[6], mask), roffset);
dst[7] ^= amd_bitalign(src[7], bitselect(src[6], src[7], mask), roffset);
dst[8] ^= amd_bitalign(0U, bitselect(src[7], 0U, mask), roffset);
#endif
}
void neoscrypt_copy256(void *restrict dstp, const void *restrict srcp) {
ulong16 *dst = (ulong16 *) dstp;
ulong16 *src = (ulong16 *) srcp;
dst[0] = src[0];
dst[1] = src[1];
}
void neoscrypt_xor256(void *restrict dstp, const void *restrict srcp) {
ulong16 *dst = (ulong16 *) dstp;
ulong16 *src = (ulong16 *) srcp;
dst[0] ^= src[0];
dst[1] ^= src[1];
}
/* 64-byte XOR based block swapper */
void neoscrypt_swap64(void *restrict blkAp, void *restrict blkBp) {
uint16 *blkA = (uint16 *) blkAp;
uint16 *blkB = (uint16 *) blkBp;
blkA[0] ^= blkB[0];
blkB[0] ^= blkA[0];
blkA[0] ^= blkB[0];
}
/* 256-byte XOR based block swapper */
void neoscrypt_swap256(void *restrict blkAp, void *restrict blkBp) {
ulong16 *blkA = (ulong16 *) blkAp;
ulong16 *blkB = (ulong16 *) blkBp;
blkA[0] ^= blkB[0];
blkB[0] ^= blkA[0];
blkA[0] ^= blkB[0];
blkA[1] ^= blkB[1];
blkB[1] ^= blkA[1];
blkA[1] ^= blkB[1];
}
/* BLAKE2s */
/* Initialisation vector */
#if (OLD_VLIW)
const __constant uint8 blake2s_IV4[1] = {
#else
static const __constant uint8 blake2s_IV4[1] = {
#endif
(uint8)(0x6A09E667, 0xBB67AE85, 0x3C6EF372, 0xA54FF53A,
0x510E527F, 0x9B05688C, 0x1F83D9AB, 0x5BE0CD19)
};
#if (OLD_VLIW)
const __constant uint blake2s_sigma[10][16] = {
#else
static const __constant uint blake2s_sigma[10][16] = {
#endif
{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 } ,
{ 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3 } ,
{ 11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4 } ,
{ 7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8 } ,
{ 9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13 } ,
{ 2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9 } ,
{ 12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 8, 11 } ,
{ 13, 11, 7, 14, 12, 1, 3, 9, 5, 0, 15, 4, 8, 6, 2, 10 } ,
{ 6, 15, 14, 9, 11, 3, 0, 8, 12, 2, 13, 7, 1, 4, 10, 5 } ,
{ 10, 2, 8, 4, 7, 6, 1, 5, 15, 11, 9, 14, 3, 12, 13 , 0 } ,
};
#define G(x, y, a, b, c, d) \
a += b + m[blake2s_sigma[x][y]]; \
d = rotate(d ^ a, 16U); \
c += d; \
b = rotate(b ^ c, 20U); \
a += b + m[blake2s_sigma[x][y + 1]]; \
d = rotate(d ^ a, 24U); \
c += d; \
b = rotate(b ^ c, 25U);
#define G1(x, a, b, c, d) \
a += b + (uint4)(m[blake2s_sigma[x][0]], m[blake2s_sigma[x][2]], m[blake2s_sigma[x][4]], m[blake2s_sigma[x][6]]); \
d = rotate(d ^ a, (uint4)(16, 16, 16, 16)); \
c += d; \
b = rotate(b ^ c, (uint4)(20, 20, 20, 20)); \
a += b + (uint4)(m[blake2s_sigma[x][1]], m[blake2s_sigma[x][3]], m[blake2s_sigma[x][5]], m[blake2s_sigma[x][7]]); \
d = rotate(d ^ a, (uint4)(24, 24, 24, 24)); \
c += d; \
b = rotate(b ^ c, (uint4)(25, 25, 25, 25));
#define G2(x, a, b, c, d) \
a += b + (uint4)(m[blake2s_sigma[x][8]], m[blake2s_sigma[x][10]], m[blake2s_sigma[x][12]], m[blake2s_sigma[x][14]]); \
d = rotate(d ^ a, (uint4)(16, 16, 16, 16)); \
c += d; \
b = rotate(b ^ c, (uint4)(20, 20, 20, 20)); \
a += b + (uint4)(m[blake2s_sigma[x][9]], m[blake2s_sigma[x][11]], m[blake2s_sigma[x][13]], m[blake2s_sigma[x][15]]); \
d = rotate(d ^ a, (uint4)(24, 24, 24, 24)); \
c += d; \
b = rotate(b ^ c, (uint4)(25, 25, 25, 25));
/* Salsa20/20 */
#define SALSA_CORE_SCALAR(Y) \
Y.s4 ^= rotate(Y.s0 + Y.sc, 7U); Y.s8 ^= rotate(Y.s4 + Y.s0, 9U); \
Y.sc ^= rotate(Y.s8 + Y.s4, 13U); Y.s0 ^= rotate(Y.sc + Y.s8, 18U); \
Y.s9 ^= rotate(Y.s5 + Y.s1, 7U); Y.sd ^= rotate(Y.s9 + Y.s5, 9U); \
Y.s1 ^= rotate(Y.sd + Y.s9, 13U); Y.s5 ^= rotate(Y.s1 + Y.sd, 18U); \
Y.se ^= rotate(Y.sa + Y.s6, 7U); Y.s2 ^= rotate(Y.se + Y.sa, 9U); \
Y.s6 ^= rotate(Y.s2 + Y.se, 13U); Y.sa ^= rotate(Y.s6 + Y.s2, 18U); \
Y.s3 ^= rotate(Y.sf + Y.sb, 7U); Y.s7 ^= rotate(Y.s3 + Y.sf, 9U); \
Y.sb ^= rotate(Y.s7 + Y.s3, 13U); Y.sf ^= rotate(Y.sb + Y.s7, 18U); \
Y.s1 ^= rotate(Y.s0 + Y.s3, 7U); Y.s2 ^= rotate(Y.s1 + Y.s0, 9U); \
Y.s3 ^= rotate(Y.s2 + Y.s1, 13U); Y.s0 ^= rotate(Y.s3 + Y.s2, 18U); \
Y.s6 ^= rotate(Y.s5 + Y.s4, 7U); Y.s7 ^= rotate(Y.s6 + Y.s5, 9U); \
Y.s4 ^= rotate(Y.s7 + Y.s6, 13U); Y.s5 ^= rotate(Y.s4 + Y.s7, 18U); \
Y.sb ^= rotate(Y.sa + Y.s9, 7U); Y.s8 ^= rotate(Y.sb + Y.sa, 9U); \
Y.s9 ^= rotate(Y.s8 + Y.sb, 13U); Y.sa ^= rotate(Y.s9 + Y.s8, 18U); \
Y.sc ^= rotate(Y.sf + Y.se, 7U); Y.sd ^= rotate(Y.sc + Y.sf, 9U); \
Y.se ^= rotate(Y.sd + Y.sc, 13U); Y.sf ^= rotate(Y.se + Y.sd, 18U);
#define SALSA_CORE_VECTOR(Y0, Y1, Y2, Y3) \
Y0 ^= rotate(Y3 + Y2, (uint4)( 7, 7, 7, 7)); \
Y1 ^= rotate(Y0 + Y3, (uint4)( 9, 9, 9, 9)); \
Y2 ^= rotate(Y1 + Y0, (uint4)(13, 13, 13, 13)); \
Y3 ^= rotate(Y2 + Y1, (uint4)(18, 18, 18, 18)); \
Y2 ^= rotate(Y3.wxyz + Y0.zwxy, (uint4)( 7, 7, 7, 7)); \
Y1 ^= rotate(Y2.wxyz + Y3.zwxy, (uint4)( 9, 9, 9, 9)); \
Y0 ^= rotate(Y1.wxyz + Y2.zwxy, (uint4)(13, 13, 13, 13)); \
Y3 ^= rotate(Y0.wxyz + Y1.zwxy, (uint4)(18, 18, 18, 18));
void neoscrypt_salsa(uint16 *X) {
uint i;
#if (SALSA_SCALAR)
uint16 Y = X[0];
#if (SALSA_UNROLL_LEVEL == 1)
for(i = 0; i < 10; i++) {
SALSA_CORE_SCALAR(Y);
}
#elif (SALSA_UNROLL_LEVEL == 2)
for(i = 0; i < 5; i++) {
SALSA_CORE_SCALAR(Y);
SALSA_CORE_SCALAR(Y);
}
#elif (SALSA_UNROLL_LEVEL == 3)
for(i = 0; i < 4; i++) {
SALSA_CORE_SCALAR(Y);
if(i == 3) break;
SALSA_CORE_SCALAR(Y);
SALSA_CORE_SCALAR(Y);
}
#elif (SALSA_UNROLL_LEVEL == 4)
for(i = 0; i < 3; i++) {
SALSA_CORE_SCALAR(Y);
SALSA_CORE_SCALAR(Y);
if(i == 2) break;
SALSA_CORE_SCALAR(Y);
SALSA_CORE_SCALAR(Y);
}
#else
for(i = 0; i < 2; i++) {
SALSA_CORE_SCALAR(Y);
SALSA_CORE_SCALAR(Y);
SALSA_CORE_SCALAR(Y);
SALSA_CORE_SCALAR(Y);
SALSA_CORE_SCALAR(Y);
}
#endif
X[0] += Y;
#else /* SALSA_VECTOR */
uint4 Y0 = (uint4)(X[0].s4, X[0].s9, X[0].se, X[0].s3);
uint4 Y1 = (uint4)(X[0].s8, X[0].sd, X[0].s2, X[0].s7);
uint4 Y2 = (uint4)(X[0].sc, X[0].s1, X[0].s6, X[0].sb);
uint4 Y3 = (uint4)(X[0].s0, X[0].s5, X[0].sa, X[0].sf);
#if (SALSA_UNROLL_LEVEL == 1)
for(i = 0; i < 10; i++) {
SALSA_CORE_VECTOR(Y0, Y1, Y2, Y3);
}
#elif (SALSA_UNROLL_LEVEL == 2)
for(i = 0; i < 5; i++) {
SALSA_CORE_VECTOR(Y0, Y1, Y2, Y3);
SALSA_CORE_VECTOR(Y0, Y1, Y2, Y3);
}
#elif (SALSA_UNROLL_LEVEL == 3)
for(i = 0; i < 4; i++) {
SALSA_CORE_VECTOR(Y0, Y1, Y2, Y3);
if(i == 3) break;
SALSA_CORE_VECTOR(Y0, Y1, Y2, Y3);
SALSA_CORE_VECTOR(Y0, Y1, Y2, Y3);
}
#elif (SALSA_UNROLL_LEVEL == 4)
for(i = 0; i < 3; i++) {
SALSA_CORE_VECTOR(Y0, Y1, Y2, Y3);
SALSA_CORE_VECTOR(Y0, Y1, Y2, Y3);
if(i == 2) break;
SALSA_CORE_VECTOR(Y0, Y1, Y2, Y3);
SALSA_CORE_VECTOR(Y0, Y1, Y2, Y3);
}
#else
for(i = 0; i < 2; i++) {
SALSA_CORE_VECTOR(Y0, Y1, Y2, Y3);
SALSA_CORE_VECTOR(Y0, Y1, Y2, Y3);
SALSA_CORE_VECTOR(Y0, Y1, Y2, Y3);
SALSA_CORE_VECTOR(Y0, Y1, Y2, Y3);
SALSA_CORE_VECTOR(Y0, Y1, Y2, Y3);
}
#endif
X[0] += (uint16)(Y3.x, Y2.y, Y1.z, Y0.w, Y0.x, Y3.y, Y2.z, Y1.w,
Y1.x, Y0.y, Y3.z, Y2.w, Y2.x, Y1.y, Y0.z, Y3.w);
#endif
}
/* ChaCha20/20 */
#define CHACHA_CORE_SCALAR(Y) \
Y.s0 += Y.s4; Y.sc = rotate(Y.sc ^ Y.s0, 16U); \
Y.s8 += Y.sc; Y.s4 = rotate(Y.s4 ^ Y.s8, 12U); \
Y.s0 += Y.s4; Y.sc = rotate(Y.sc ^ Y.s0, 8U); \
Y.s8 += Y.sc; Y.s4 = rotate(Y.s4 ^ Y.s8, 7U); \
Y.s1 += Y.s5; Y.sd = rotate(Y.sd ^ Y.s1, 16U); \
Y.s9 += Y.sd; Y.s5 = rotate(Y.s5 ^ Y.s9, 12U); \
Y.s1 += Y.s5; Y.sd = rotate(Y.sd ^ Y.s1, 8U); \
Y.s9 += Y.sd; Y.s5 = rotate(Y.s5 ^ Y.s9, 7U); \
Y.s2 += Y.s6; Y.se = rotate(Y.se ^ Y.s2, 16U); \
Y.sa += Y.se; Y.s6 = rotate(Y.s6 ^ Y.sa, 12U); \
Y.s2 += Y.s6; Y.se = rotate(Y.se ^ Y.s2, 8U); \
Y.sa += Y.se; Y.s6 = rotate(Y.s6 ^ Y.sa, 7U); \
Y.s3 += Y.s7; Y.sf = rotate(Y.sf ^ Y.s3, 16U); \
Y.sb += Y.sf; Y.s7 = rotate(Y.s7 ^ Y.sb, 12U); \
Y.s3 += Y.s7; Y.sf = rotate(Y.sf ^ Y.s3, 8U); \
Y.sb += Y.sf; Y.s7 = rotate(Y.s7 ^ Y.sb, 7U); \
Y.s0 += Y.s5; Y.sf = rotate(Y.sf ^ Y.s0, 16U); \
Y.sa += Y.sf; Y.s5 = rotate(Y.s5 ^ Y.sa, 12U); \
Y.s0 += Y.s5; Y.sf = rotate(Y.sf ^ Y.s0, 8U); \
Y.sa += Y.sf; Y.s5 = rotate(Y.s5 ^ Y.sa, 7U); \
Y.s1 += Y.s6; Y.sc = rotate(Y.sc ^ Y.s1, 16U); \
Y.sb += Y.sc; Y.s6 = rotate(Y.s6 ^ Y.sb, 12U); \
Y.s1 += Y.s6; Y.sc = rotate(Y.sc ^ Y.s1, 8U); \
Y.sb += Y.sc; Y.s6 = rotate(Y.s6 ^ Y.sb, 7U); \
Y.s2 += Y.s7; Y.sd = rotate(Y.sd ^ Y.s2, 16U); \
Y.s8 += Y.sd; Y.s7 = rotate(Y.s7 ^ Y.s8, 12U); \
Y.s2 += Y.s7; Y.sd = rotate(Y.sd ^ Y.s2, 8U); \
Y.s8 += Y.sd; Y.s7 = rotate(Y.s7 ^ Y.s8, 7U); \
Y.s3 += Y.s4; Y.se = rotate(Y.se ^ Y.s3, 16U); \
Y.s9 += Y.se; Y.s4 = rotate(Y.s4 ^ Y.s9, 12U); \
Y.s3 += Y.s4; Y.se = rotate(Y.se ^ Y.s3, 8U); \
Y.s9 += Y.se; Y.s4 = rotate(Y.s4 ^ Y.s9, 7U);
#define CHACHA_CORE_VECTOR(Y0, Y1, Y2, Y3) \
Y0 += Y1; Y3 = rotate(Y3 ^ Y0, (uint4)(16, 16, 16, 16)); \
Y2 += Y3; Y1 = rotate(Y1 ^ Y2, (uint4)(12, 12, 12, 12)); \
Y0 += Y1; Y3 = rotate(Y3 ^ Y0, (uint4)( 8, 8, 8, 8)); \
Y2 += Y3; Y1 = rotate(Y1 ^ Y2, (uint4)( 7, 7, 7, 7)); \
Y0 += Y1.yzwx; Y3 = rotate(Y3 ^ Y0.yzwx, (uint4)(16, 16, 16, 16)); \
Y2 += Y3.yzwx; Y1 = rotate(Y1 ^ Y2.yzwx, (uint4)(12, 12, 12, 12)); \
Y0 += Y1.yzwx; Y3 = rotate(Y3 ^ Y0.yzwx, (uint4)( 8, 8, 8, 8)); \
Y2 += Y3.yzwx; Y1 = rotate(Y1 ^ Y2.yzwx, (uint4)( 7, 7, 7, 7));
void neoscrypt_chacha(uint16 *X) {
uint i;
#if (CHACHA_SCALAR)
uint16 Y = X[0];
#if (CHACHA_UNROLL_LEVEL == 1)
for(i = 0; i < 10; i++) {
CHACHA_CORE_SCALAR(Y);
}
#elif (CHACHA_UNROLL_LEVEL == 2)
for(i = 0; i < 5; i++) {
CHACHA_CORE_SCALAR(Y);
CHACHA_CORE_SCALAR(Y);
}
#elif (CHACHA_UNROLL_LEVEL == 3)
for(i = 0; i < 4; i++) {
CHACHA_CORE_SCALAR(Y);
if(i == 3) break;
CHACHA_CORE_SCALAR(Y);
CHACHA_CORE_SCALAR(Y);
}
#elif (CHACHA_UNROLL_LEVEL == 4)
for(i = 0; i < 3; i++) {
CHACHA_CORE_SCALAR(Y);
CHACHA_CORE_SCALAR(Y);
if(i == 2) break;
CHACHA_CORE_SCALAR(Y);
CHACHA_CORE_SCALAR(Y);
}
#else
for(i = 0; i < 2; i++) {
CHACHA_CORE_SCALAR(Y);
CHACHA_CORE_SCALAR(Y);
CHACHA_CORE_SCALAR(Y);
CHACHA_CORE_SCALAR(Y);
CHACHA_CORE_SCALAR(Y);
}
#endif
X[0] += Y;
#else /* CHACHA_VECTOR */
uint4 Y0 = X[0].s0123, Y1 = X[0].s4567,
Y2 = X[0].s89ab, Y3 = X[0].scdef;
#if (CHACHA_UNROLL_LEVEL == 1)
for(i = 0; i < 10; i++) {
CHACHA_CORE_VECTOR(Y0, Y1, Y2, Y3);
}
#elif (CHACHA_UNROLL_LEVEL == 2)
for(i = 0; i < 5; i++) {
CHACHA_CORE_VECTOR(Y0, Y1, Y2, Y3);
CHACHA_CORE_VECTOR(Y0, Y1, Y2, Y3);
}
#elif (CHACHA_UNROLL_LEVEL == 3)
for(i = 0; i < 4; i++) {
CHACHA_CORE_VECTOR(Y0, Y1, Y2, Y3);
if(i == 3) break;
CHACHA_CORE_VECTOR(Y0, Y1, Y2, Y3);
CHACHA_CORE_VECTOR(Y0, Y1, Y2, Y3);
}
#elif (CHACHA_UNROLL_LEVEL == 4)
for(i = 0; i < 3; i++) {
CHACHA_CORE_VECTOR(Y0, Y1, Y2, Y3);
CHACHA_CORE_VECTOR(Y0, Y1, Y2, Y3);
if(i == 2) break;
CHACHA_CORE_VECTOR(Y0, Y1, Y2, Y3);
CHACHA_CORE_VECTOR(Y0, Y1, Y2, Y3);
}
#else
for(i = 0; i < 2; i++) {
CHACHA_CORE_VECTOR(Y0, Y1, Y2, Y3);
CHACHA_CORE_VECTOR(Y0, Y1, Y2, Y3);
CHACHA_CORE_VECTOR(Y0, Y1, Y2, Y3);
CHACHA_CORE_VECTOR(Y0, Y1, Y2, Y3);
CHACHA_CORE_VECTOR(Y0, Y1, Y2, Y3);
}
#endif
X[0] += (uint16)(Y0, Y1, Y2, Y3);
#endif
}
/* For compatibility */
#if (WORKGROUPSIZE) && !(WORKSIZE)
#define WORKSIZE WORKGROUPSIZE
#endif
/* CodeXL only */
#if !(WORKSIZE)
#define WORKSIZE 128
#endif
/* FastKDF, a fast buffered key derivation function;
* this algorithm makes extensive use of bytewise operations */
/* FastKDF (stretching) */
void neoscrypt_fastkdf_str(ulong16 *XZ) {
uint i, bufptr, offset;
uint4 *XZq = (uint4 *) &XZ[0];
uint *Ai = (uint *) &XZq[0];
uint *Bi = (uint *) &XZq[20];
uint8 *T = (uint8 *) &XZq[38];
uint4 *t = (uint4 *) &XZq[38];
for(i = 0, bufptr = 0; i < 32; i++) {
uint16 S;
uint m[16];
offset = bufptr & 0x03;
neoscrypt_copy32(&m[0], &Bi[bufptr >> 2], offset);
m[8] = 0;
m[9] = 0;
m[10] = 0;
m[11] = 0;
m[12] = 0;
m[13] = 0;
m[14] = 0;
m[15] = 0;
T[0] = blake2s_IV4[0];
S.lo = S.hi = T[0];
S.s0 ^= 0x01012020U;
S.sc ^= 64U;
#if (BLAKE2S_COMPACT)
for(uint z = 0; z < 2; z++) {
#pragma unroll
for(uint j = 0; j < 10; j++) {
#if (BLAKE2S_SCALAR)
G(j, 0, S.s0, S.s4, S.s8, S.sc);
G(j, 2, S.s1, S.s5, S.s9, S.sd);
G(j, 4, S.s2, S.s6, S.sa, S.se);
G(j, 6, S.s3, S.s7, S.sb, S.sf);
G(j, 8, S.s0, S.s5, S.sa, S.sf);
G(j, 10, S.s1, S.s6, S.sb, S.sc);
G(j, 12, S.s2, S.s7, S.s8, S.sd);
G(j, 14, S.s3, S.s4, S.s9, S.se);
#else
G1(j, S.s0123, S.s4567, S.s89ab, S.scdef);
G2(j, S.s0123, S.s5674, S.sab89, S.sfcde);
#endif
}
if(z) break;
S.lo ^= S.hi ^ T[0];
S.s0 ^= 0x01012020U;
S.hi = T[0];
T[0] = S.lo;
S.sc ^= 128U;
S.se ^= 0xFFFFFFFFU;
neoscrypt_copy64(&m[0], &Ai[bufptr >> 2], offset);
}
#else
#pragma unroll
for(uint j = 0; j < 10; j++) {
#if (BLAKE2S_SCALAR)
G(j, 0, S.s0, S.s4, S.s8, S.sc);
G(j, 2, S.s1, S.s5, S.s9, S.sd);
G(j, 4, S.s2, S.s6, S.sa, S.se);
G(j, 6, S.s3, S.s7, S.sb, S.sf);
G(j, 8, S.s0, S.s5, S.sa, S.sf);
G(j, 10, S.s1, S.s6, S.sb, S.sc);
G(j, 12, S.s2, S.s7, S.s8, S.sd);
G(j, 14, S.s3, S.s4, S.s9, S.se);
#else
G1(j, S.s0123, S.s4567, S.s89ab, S.scdef);
G2(j, S.s0123, S.s5674, S.sab89, S.sfcde);
#endif
}
S.lo ^= S.hi ^ T[0];
S.s0 ^= 0x01012020U;
S.hi = T[0];
T[0] = S.lo;
S.sc ^= 128U;
S.se ^= 0xFFFFFFFFU;
neoscrypt_copy64(&m[0], &Ai[bufptr >> 2], offset);
#pragma unroll
for(uint j = 0; j < 10; j++) {
#if (BLAKE2S_SCALAR)
G(j, 0, S.s0, S.s4, S.s8, S.sc);
G(j, 2, S.s1, S.s5, S.s9, S.sd);
G(j, 4, S.s2, S.s6, S.sa, S.se);
G(j, 6, S.s3, S.s7, S.sb, S.sf);
G(j, 8, S.s0, S.s5, S.sa, S.sf);
G(j, 10, S.s1, S.s6, S.sb, S.sc);
G(j, 12, S.s2, S.s7, S.s8, S.sd);
G(j, 14, S.s3, S.s4, S.s9, S.se);
#else
G1(j, S.s0123, S.s4567, S.s89ab, S.scdef);
G2(j, S.s0123, S.s5674, S.sab89, S.sfcde);
#endif
}
#endif /* BLAKE2S_COMPACT */
T[0] ^= S.lo ^ S.hi;
#if (FASTKDF_SCALAR)
uint8 temp;
temp.lo = t[0];
temp.hi = t[1];
bufptr = temp.s0;
bufptr += rotate(temp.s0, 24U);
bufptr += rotate(temp.s0, 16U);
bufptr += rotate(temp.s0, 8U);
bufptr += temp.s1;
bufptr += rotate(temp.s1, 24U);
bufptr += rotate(temp.s1, 16U);
bufptr += rotate(temp.s1, 8U);
bufptr += temp.s2;
bufptr += rotate(temp.s2, 24U);
bufptr += rotate(temp.s2, 16U);
bufptr += rotate(temp.s2, 8U);
bufptr += temp.s3;
bufptr += rotate(temp.s3, 24U);
bufptr += rotate(temp.s3, 16U);
bufptr += rotate(temp.s3, 8U);
bufptr += temp.s4;
bufptr += rotate(temp.s4, 24U);
bufptr += rotate(temp.s4, 16U);
bufptr += rotate(temp.s4, 8U);
bufptr += temp.s5;
bufptr += rotate(temp.s5, 24U);
bufptr += rotate(temp.s5, 16U);
bufptr += rotate(temp.s5, 8U);
bufptr += temp.s6;
bufptr += rotate(temp.s6, 24U);
bufptr += rotate(temp.s6, 16U);
bufptr += rotate(temp.s6, 8U);
bufptr += temp.s7;
bufptr += rotate(temp.s7, 24U);
bufptr += rotate(temp.s7, 16U);
bufptr += rotate(temp.s7, 8U);
bufptr = convert_uchar(bufptr);
#else
uint4 temp;
temp = t[0];
temp += rotate(t[0], (uint4)(24, 24, 24, 24));
temp += rotate(t[0], (uint4)(16, 16, 16, 16));
temp += rotate(t[0], (uint4)( 8, 8, 8, 8));
temp += t[1];
temp += rotate(t[1], (uint4)(24, 24, 24, 24));
temp += rotate(t[1], (uint4)(16, 16, 16, 16));
temp += rotate(t[1], (uint4)( 8, 8, 8, 8));
bufptr = convert_uchar(temp.x + temp.y + temp.z + temp.w);
#endif
offset = bufptr & 0x03;
neoscrypt_xor32_au(&Bi[bufptr >> 2], &T[0], offset);
if(bufptr < 32U) {
XZq[36] = XZq[20];
XZq[37] = XZq[21];
continue;
}
if(bufptr > 224U) {
XZq[20] = XZq[36];
XZq[21] = XZq[37];
}
}
i = (256 - bufptr + 31) >> 5;
neoscrypt_xor32_ua_it(&Ai[0], &Bi[bufptr >> 2], offset, i);
neoscrypt_xor32_ua_it(&Ai[i << 3], &Bi[(bufptr & 0x1FU) >> 2], offset, 8U - i);
}
/* FastKDF (compressing) */
void neoscrypt_fastkdf_comp(ulong16 *XZ) {
uint i, bufptr, offset;
uint4 *XZq = (uint4 *) &XZ[0];
uint *Ai = (uint *) &XZq[20];
uint *Bi = (uint *) &XZq[0];
uint8 *T = (uint8 *) &XZq[18];
uint4 *t = (uint4 *) &XZq[18];
for(i = 0, bufptr = 0; i < 32; i++) {
uint16 S;
uint m[16];
offset = bufptr & 0x03;
neoscrypt_copy32(&m[0], &Bi[bufptr >> 2], offset);
m[8] = 0;
m[9] = 0;
m[10] = 0;
m[11] = 0;
m[12] = 0;
m[13] = 0;
m[14] = 0;
m[15] = 0;
T[0] = blake2s_IV4[0];
S.lo = S.hi = T[0];
S.s0 ^= 0x01012020U;
S.sc ^= 64U;
#if (BLAKE2S_COMPACT)
for(uint z = 0; z < 2; z++) {
#pragma unroll
for(uint j = 0; j < 10; j++) {
#if (BLAKE2S_SCALAR)
G(j, 0, S.s0, S.s4, S.s8, S.sc);
G(j, 2, S.s1, S.s5, S.s9, S.sd);
G(j, 4, S.s2, S.s6, S.sa, S.se);
G(j, 6, S.s3, S.s7, S.sb, S.sf);
G(j, 8, S.s0, S.s5, S.sa, S.sf);
G(j, 10, S.s1, S.s6, S.sb, S.sc);
G(j, 12, S.s2, S.s7, S.s8, S.sd);
G(j, 14, S.s3, S.s4, S.s9, S.se);
#else
G1(j, S.s0123, S.s4567, S.s89ab, S.scdef);
G2(j, S.s0123, S.s5674, S.sab89, S.sfcde);
#endif
}
if(z) break;
S.lo ^= S.hi ^ T[0];
S.s0 ^= 0x01012020U;
S.hi = T[0];
T[0] = S.lo;
S.sc ^= 128U;
S.se ^= 0xFFFFFFFFU;
neoscrypt_copy64(&m[0], &Ai[bufptr >> 2], offset);
}
#else
#pragma unroll
for(uint j = 0; j < 10; j++) {
#if (BLAKE2S_SCALAR)
G(j, 0, S.s0, S.s4, S.s8, S.sc);
G(j, 2, S.s1, S.s5, S.s9, S.sd);
G(j, 4, S.s2, S.s6, S.sa, S.se);
G(j, 6, S.s3, S.s7, S.sb, S.sf);
G(j, 8, S.s0, S.s5, S.sa, S.sf);
G(j, 10, S.s1, S.s6, S.sb, S.sc);
G(j, 12, S.s2, S.s7, S.s8, S.sd);
G(j, 14, S.s3, S.s4, S.s9, S.se);
#else
G1(j, S.s0123, S.s4567, S.s89ab, S.scdef);
G2(j, S.s0123, S.s5674, S.sab89, S.sfcde);
#endif
}
S.lo ^= S.hi ^ T[0];
S.s0 ^= 0x01012020U;
S.hi = T[0];
T[0] = S.lo;
S.sc ^= 128U;
S.se ^= 0xFFFFFFFFU;
neoscrypt_copy64(&m[0], &Ai[bufptr >> 2], offset);
#pragma unroll
for(uint j = 0; j < 10; j++) {
#if (BLAKE2S_SCALAR)
G(j, 0, S.s0, S.s4, S.s8, S.sc);
G(j, 2, S.s1, S.s5, S.s9, S.sd);
G(j, 4, S.s2, S.s6, S.sa, S.se);
G(j, 6, S.s3, S.s7, S.sb, S.sf);
G(j, 8, S.s0, S.s5, S.sa, S.sf);
G(j, 10, S.s1, S.s6, S.sb, S.sc);
G(j, 12, S.s2, S.s7, S.s8, S.sd);
G(j, 14, S.s3, S.s4, S.s9, S.se);
#else
G1(j, S.s0123, S.s4567, S.s89ab, S.scdef);
G2(j, S.s0123, S.s5674, S.sab89, S.sfcde);
#endif
}
#endif /* BLAKE2S_COMPACT */
T[0] ^= S.lo ^ S.hi;
#if (FASTKDF_SCALAR)
uint8 temp;
temp.lo = t[0];
temp.hi = t[1];
bufptr = temp.s0;
bufptr += rotate(temp.s0, 24U);
bufptr += rotate(temp.s0, 16U);
bufptr += rotate(temp.s0, 8U);
bufptr += temp.s1;
bufptr += rotate(temp.s1, 24U);
bufptr += rotate(temp.s1, 16U);
bufptr += rotate(temp.s1, 8U);
bufptr += temp.s2;
bufptr += rotate(temp.s2, 24U);
bufptr += rotate(temp.s2, 16U);
bufptr += rotate(temp.s2, 8U);
bufptr += temp.s3;
bufptr += rotate(temp.s3, 24U);
bufptr += rotate(temp.s3, 16U);
bufptr += rotate(temp.s3, 8U);
bufptr += temp.s4;
bufptr += rotate(temp.s4, 24U);
bufptr += rotate(temp.s4, 16U);
bufptr += rotate(temp.s4, 8U);
bufptr += temp.s5;
bufptr += rotate(temp.s5, 24U);
bufptr += rotate(temp.s5, 16U);
bufptr += rotate(temp.s5, 8U);
bufptr += temp.s6;
bufptr += rotate(temp.s6, 24U);
bufptr += rotate(temp.s6, 16U);
bufptr += rotate(temp.s6, 8U);
bufptr += temp.s7;
bufptr += rotate(temp.s7, 24U);
bufptr += rotate(temp.s7, 16U);
bufptr += rotate(temp.s7, 8U);
bufptr = convert_uchar(bufptr);
#else
uint4 temp;
temp = t[0];
temp += rotate(t[0], (uint4)(24, 24, 24, 24));
temp += rotate(t[0], (uint4)(16, 16, 16, 16));
temp += rotate(t[0], (uint4)( 8, 8, 8, 8));
temp += t[1];
temp += rotate(t[1], (uint4)(24, 24, 24, 24));
temp += rotate(t[1], (uint4)(16, 16, 16, 16));