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cpuminer-opt-gpu/algo/luffa/luffa-hash-2way.c
Jay D Dee 92b3733925 v3.17.0
2021-07-15 20:30:44 -04:00

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#include <string.h>
#include <immintrin.h>
#include "luffa-hash-2way.h"
#include <stdio.h>
#if defined(__AVX2__)
#include "simd-utils.h"
/* initial values of chaining variables */
static const uint32 IV[40] __attribute((aligned(64))) = {
0xdbf78465,0x4eaa6fb4,0x44b051e0,0x6d251e69,
0xdef610bb,0xee058139,0x90152df4,0x6e292011,
0xde099fa3,0x70eee9a0,0xd9d2f256,0xc3b44b95,
0x746cd581,0xcf1ccf0e,0x8fc944b3,0x5d9b0557,
0xad659c05,0x04016ce5,0x5dba5781,0xf7efc89d,
0x8b264ae7,0x24aa230a,0x666d1836,0x0306194f,
0x204b1f67,0xe571f7d7,0x36d79cce,0x858075d5,
0x7cde72ce,0x14bcb808,0x57e9e923,0x35870c6a,
0xaffb4363,0xc825b7c7,0x5ec41e22,0x6c68e9be,
0x03e86cea,0xb07224cc,0x0fc688f1,0xf5df3999
};
/* Round Constants */
static const uint32 CNS_INIT[128] __attribute((aligned(64))) = {
0xb213afa5,0xfc20d9d2,0xb6de10ed,0x303994a6,
0xe028c9bf,0xe25e72c1,0x01685f3d,0xe0337818,
0xc84ebe95,0x34552e25,0x70f47aae,0xc0e65299,
0x44756f91,0xe623bb72,0x05a17cf4,0x441ba90d,
0x4e608a22,0x7ad8818f,0x0707a3d4,0x6cc33a12,
0x7e8fce32,0x5c58a4a4,0xbd09caca,0x7f34d442,
0x56d858fe,0x8438764a,0x1c1e8f51,0xdc56983e,
0x956548be,0x1e38e2e7,0xf4272b28,0x9389217f,
0x343b138f,0xbb6de032,0x707a3d45,0x1e00108f,
0xfe191be2,0x78e38b9d,0x144ae5cc,0xe5a8bce6,
0xd0ec4e3d,0xedb780c8,0xaeb28562,0x7800423d,
0x3cb226e5,0x27586719,0xfaa7ae2b,0x5274baf4,
0x2ceb4882,0xd9847356,0xbaca1589,0x8f5b7882,
0x5944a28e,0x36eda57f,0x2e48f1c1,0x26889ba7,
0xb3ad2208,0xa2c78434,0x40a46f3e,0x96e1db12,
0xa1c4c355,0x703aace7,0xb923c704,0x9a226e9d,
0x00000000,0x00000000,0x00000000,0xf0d2e9e3,
0x00000000,0x00000000,0x00000000,0x5090d577,
0x00000000,0x00000000,0x00000000,0xac11d7fa,
0x00000000,0x00000000,0x00000000,0x2d1925ab,
0x00000000,0x00000000,0x00000000,0x1bcb66f2,
0x00000000,0x00000000,0x00000000,0xb46496ac,
0x00000000,0x00000000,0x00000000,0x6f2d9bc9,
0x00000000,0x00000000,0x00000000,0xd1925ab0,
0x00000000,0x00000000,0x00000000,0x78602649,
0x00000000,0x00000000,0x00000000,0x29131ab6,
0x00000000,0x00000000,0x00000000,0x8edae952,
0x00000000,0x00000000,0x00000000,0x0fc053c3,
0x00000000,0x00000000,0x00000000,0x3b6ba548,
0x00000000,0x00000000,0x00000000,0x3f014f0c,
0x00000000,0x00000000,0x00000000,0xedae9520,
0x00000000,0x00000000,0x00000000,0xfc053c31
};
#if defined(__AVX512F__) && defined(__AVX512VL__) && defined(__AVX512DQ__) && defined(__AVX512BW__)
#define cns4w(i) m512_const1_128( ( (__m128i*)CNS_INIT)[i] )
#define ADD_CONSTANT4W(a,b,c0,c1)\
a = _mm512_xor_si512(a,c0);\
b = _mm512_xor_si512(b,c1);
#define MULT24W( a0, a1 ) \
do { \
__m512i b = _mm512_xor_si512( a0, \
_mm512_maskz_shuffle_epi32( 0xbbbb, a1, 16 ) ); \
a0 = _mm512_or_si512( _mm512_bsrli_epi128( b, 4 ), \
_mm512_bslli_epi128( a1,12 ) ); \
a1 = _mm512_or_si512( _mm512_bsrli_epi128( a1, 4 ), \
_mm512_bslli_epi128( b,12 ) ); \
} while(0)
/*
#define MULT24W( a0, a1, mask ) \
do { \
__m512i b = _mm512_xor_si512( a0, \
_mm512_shuffle_epi32( _mm512_and_si512(a1,mask), 16 ) ); \
a0 = _mm512_or_si512( _mm512_bsrli_epi128(b,4), _mm512_bslli_epi128(a1,12) );\
a1 = _mm512_or_si512( _mm512_bsrli_epi128(a1,4), _mm512_bslli_epi128(b,12) );\
} while(0)
*/
// confirm pointer arithmetic
// ok but use array indexes
#define STEP_PART4W(x,c0,c1,t)\
SUBCRUMB4W(*x,*(x+1),*(x+2),*(x+3),*t);\
SUBCRUMB4W(*(x+5),*(x+6),*(x+7),*(x+4),*t);\
MIXWORD4W(*x,*(x+4),*t,*(t+1));\
MIXWORD4W(*(x+1),*(x+5),*t,*(t+1));\
MIXWORD4W(*(x+2),*(x+6),*t,*(t+1));\
MIXWORD4W(*(x+3),*(x+7),*t,*(t+1));\
ADD_CONSTANT4W(*x, *(x+4), c0, c1);
#define SUBCRUMB4W(a0,a1,a2,a3,t)\
t = a0;\
a0 = mm512_xoror( a3, a0, a1 ); \
a2 = _mm512_xor_si512(a2,a3);\
a1 = _mm512_ternarylogic_epi64( a1, a3, t, 0x87 ); /* a1 xnor (a3 & t) */ \
a3 = mm512_xorand( a2, a3, t ); \
a2 = mm512_xorand( a1, a2, a0);\
a1 = _mm512_or_si512(a1,a3);\
a3 = _mm512_xor_si512(a3,a2);\
t = _mm512_xor_si512(t,a1);\
a2 = _mm512_and_si512(a2,a1);\
a1 = mm512_xnor(a1,a0);\
a0 = t;
/*
#define SUBCRUMB4W(a0,a1,a2,a3,t)\
t = _mm512_load_si512(&a0);\
a0 = _mm512_or_si512(a0,a1);\
a2 = _mm512_xor_si512(a2,a3);\
a1 = _mm512_andnot_si512(a1, m512_neg1 );\
a0 = _mm512_xor_si512(a0,a3);\
a3 = _mm512_and_si512(a3,t);\
a1 = _mm512_xor_si512(a1,a3);\
a3 = _mm512_xor_si512(a3,a2);\
a2 = _mm512_and_si512(a2,a0);\
a0 = _mm512_andnot_si512(a0, m512_neg1 );\
a2 = _mm512_xor_si512(a2,a1);\
a1 = _mm512_or_si512(a1,a3);\
t = _mm512_xor_si512(t,a1);\
a3 = _mm512_xor_si512(a3,a2);\
a2 = _mm512_and_si512(a2,a1);\
a1 = _mm512_xor_si512(a1,a0);\
a0 = _mm512_load_si512(&t);
*/
#define MIXWORD4W(a,b,t1,t2)\
b = _mm512_xor_si512(a,b);\
t1 = _mm512_slli_epi32(a,2);\
t2 = _mm512_srli_epi32(a,30);\
a = mm512_xoror( b, t1, t2 ); \
t1 = _mm512_slli_epi32(b,14);\
t2 = _mm512_srli_epi32(b,18);\
b = _mm512_or_si512(t1,t2);\
b = mm512_xoror( a, t1, t2 ); \
t1 = _mm512_slli_epi32(a,10);\
t2 = _mm512_srli_epi32(a,22);\
a = mm512_xoror( b, t1, t2 ); \
t1 = _mm512_slli_epi32(b,1);\
t2 = _mm512_srli_epi32(b,31);\
b = _mm512_or_si512(t1,t2);
/*
#define MIXWORD4W(a,b,t1,t2)\
b = _mm512_xor_si512(a,b);\
t1 = _mm512_slli_epi32(a,2);\
t2 = _mm512_srli_epi32(a,30);\
a = _mm512_or_si512(t1,t2);\
a = _mm512_xor_si512(a,b);\
t1 = _mm512_slli_epi32(b,14);\
t2 = _mm512_srli_epi32(b,18);\
b = _mm512_or_si512(t1,t2);\
b = _mm512_xor_si512(a,b);\
t1 = _mm512_slli_epi32(a,10);\
t2 = _mm512_srli_epi32(a,22);\
a = _mm512_or_si512(t1,t2);\
a = _mm512_xor_si512(a,b);\
t1 = _mm512_slli_epi32(b,1);\
t2 = _mm512_srli_epi32(b,31);\
b = _mm512_or_si512(t1,t2);
*/
#define STEP_PART24W(a0,a1,t0,t1,c0,c1,tmp0,tmp1)\
a1 = _mm512_shuffle_epi32(a1,147);\
t0 = _mm512_load_si512(&a1);\
a1 = _mm512_unpacklo_epi32(a1,a0);\
t0 = _mm512_unpackhi_epi32(t0,a0);\
t1 = _mm512_shuffle_epi32(t0,78);\
a0 = _mm512_shuffle_epi32(a1,78);\
SUBCRUMB4W(t1,t0,a0,a1,tmp0);\
t0 = _mm512_unpacklo_epi32(t0,t1);\
a1 = _mm512_unpacklo_epi32(a1,a0);\
a0 = _mm512_load_si512(&a1);\
a0 = _mm512_unpackhi_epi64(a0,t0);\
a1 = _mm512_unpacklo_epi64(a1,t0);\
a1 = _mm512_shuffle_epi32(a1,57);\
MIXWORD4W(a0,a1,tmp0,tmp1);\
ADD_CONSTANT4W(a0,a1,c0,c1);
#define NMLTOM7684W(r0,r1,r2,s0,s1,s2,s3,p0,p1,p2,q0,q1,q2,q3)\
s2 = _mm512_load_si512(&r1);\
q2 = _mm512_load_si512(&p1);\
r2 = _mm512_shuffle_epi32(r2,216);\
p2 = _mm512_shuffle_epi32(p2,216);\
r1 = _mm512_unpacklo_epi32(r1,r0);\
p1 = _mm512_unpacklo_epi32(p1,p0);\
s2 = _mm512_unpackhi_epi32(s2,r0);\
q2 = _mm512_unpackhi_epi32(q2,p0);\
s0 = _mm512_load_si512(&r2);\
q0 = _mm512_load_si512(&p2);\
r2 = _mm512_unpacklo_epi64(r2,r1);\
p2 = _mm512_unpacklo_epi64(p2,p1);\
s1 = _mm512_load_si512(&s0);\
q1 = _mm512_load_si512(&q0);\
s0 = _mm512_unpackhi_epi64(s0,r1);\
q0 = _mm512_unpackhi_epi64(q0,p1);\
r2 = _mm512_shuffle_epi32(r2,225);\
p2 = _mm512_shuffle_epi32(p2,225);\
r0 = _mm512_load_si512(&s1);\
p0 = _mm512_load_si512(&q1);\
s0 = _mm512_shuffle_epi32(s0,225);\
q0 = _mm512_shuffle_epi32(q0,225);\
s1 = _mm512_unpacklo_epi64(s1,s2);\
q1 = _mm512_unpacklo_epi64(q1,q2);\
r0 = _mm512_unpackhi_epi64(r0,s2);\
p0 = _mm512_unpackhi_epi64(p0,q2);\
s2 = _mm512_load_si512(&r0);\
q2 = _mm512_load_si512(&p0);\
s3 = _mm512_load_si512(&r2);\
q3 = _mm512_load_si512(&p2);
#define MIXTON7684W(r0,r1,r2,r3,s0,s1,s2,p0,p1,p2,p3,q0,q1,q2)\
s0 = _mm512_load_si512(&r0);\
q0 = _mm512_load_si512(&p0);\
s1 = _mm512_load_si512(&r2);\
q1 = _mm512_load_si512(&p2);\
r0 = _mm512_unpackhi_epi32(r0,r1);\
p0 = _mm512_unpackhi_epi32(p0,p1);\
r2 = _mm512_unpackhi_epi32(r2,r3);\
p2 = _mm512_unpackhi_epi32(p2,p3);\
s0 = _mm512_unpacklo_epi32(s0,r1);\
q0 = _mm512_unpacklo_epi32(q0,p1);\
s1 = _mm512_unpacklo_epi32(s1,r3);\
q1 = _mm512_unpacklo_epi32(q1,p3);\
r1 = _mm512_load_si512(&r0);\
p1 = _mm512_load_si512(&p0);\
r0 = _mm512_unpackhi_epi64(r0,r2);\
p0 = _mm512_unpackhi_epi64(p0,p2);\
s0 = _mm512_unpackhi_epi64(s0,s1);\
q0 = _mm512_unpackhi_epi64(q0,q1);\
r1 = _mm512_unpacklo_epi64(r1,r2);\
p1 = _mm512_unpacklo_epi64(p1,p2);\
s2 = _mm512_load_si512(&r0);\
q2 = _mm512_load_si512(&p0);\
s1 = _mm512_load_si512(&r1);\
q1 = _mm512_load_si512(&p1);
#define NMLTOM10244W(r0,r1,r2,r3,s0,s1,s2,s3,p0,p1,p2,p3,q0,q1,q2,q3)\
s1 = _mm512_load_si512(&r3);\
q1 = _mm512_load_si512(&p3);\
s3 = _mm512_load_si512(&r3);\
q3 = _mm512_load_si512(&p3);\
s1 = _mm512_unpackhi_epi32(s1,r2);\
q1 = _mm512_unpackhi_epi32(q1,p2);\
s3 = _mm512_unpacklo_epi32(s3,r2);\
q3 = _mm512_unpacklo_epi32(q3,p2);\
s0 = _mm512_load_si512(&s1);\
q0 = _mm512_load_si512(&q1);\
s2 = _mm512_load_si512(&s3);\
q2 = _mm512_load_si512(&q3);\
r3 = _mm512_load_si512(&r1);\
p3 = _mm512_load_si512(&p1);\
r1 = _mm512_unpacklo_epi32(r1,r0);\
p1 = _mm512_unpacklo_epi32(p1,p0);\
r3 = _mm512_unpackhi_epi32(r3,r0);\
p3 = _mm512_unpackhi_epi32(p3,p0);\
s0 = _mm512_unpackhi_epi64(s0,r3);\
q0 = _mm512_unpackhi_epi64(q0,p3);\
s1 = _mm512_unpacklo_epi64(s1,r3);\
q1 = _mm512_unpacklo_epi64(q1,p3);\
s2 = _mm512_unpackhi_epi64(s2,r1);\
q2 = _mm512_unpackhi_epi64(q2,p1);\
s3 = _mm512_unpacklo_epi64(s3,r1);\
q3 = _mm512_unpacklo_epi64(q3,p1);
#define MIXTON10244W(r0,r1,r2,r3,s0,s1,s2,s3,p0,p1,p2,p3,q0,q1,q2,q3)\
NMLTOM10244W(r0,r1,r2,r3,s0,s1,s2,s3,p0,p1,p2,p3,q0,q1,q2,q3);
void rnd512_4way( luffa_4way_context *state, __m512i *msg )
{
__m512i t0, t1;
__m512i *chainv = state->chainv;
__m512i msg0, msg1;
__m512i tmp[2];
__m512i x[8];
t0 = mm512_xor3( chainv[0], chainv[2], chainv[4] );
t1 = mm512_xor3( chainv[1], chainv[3], chainv[5] );
t0 = mm512_xor3( t0, chainv[6], chainv[8] );
t1 = mm512_xor3( t1, chainv[7], chainv[9] );
MULT24W( t0, t1 );
msg0 = _mm512_shuffle_epi32( msg[0], 27 );
msg1 = _mm512_shuffle_epi32( msg[1], 27 );
chainv[0] = _mm512_xor_si512( chainv[0], t0 );
chainv[1] = _mm512_xor_si512( chainv[1], t1 );
chainv[2] = _mm512_xor_si512( chainv[2], t0 );
chainv[3] = _mm512_xor_si512( chainv[3], t1 );
chainv[4] = _mm512_xor_si512( chainv[4], t0 );
chainv[5] = _mm512_xor_si512( chainv[5], t1 );
chainv[6] = _mm512_xor_si512( chainv[6], t0 );
chainv[7] = _mm512_xor_si512( chainv[7], t1 );
chainv[8] = _mm512_xor_si512( chainv[8], t0 );
chainv[9] = _mm512_xor_si512( chainv[9], t1 );
t0 = chainv[0];
t1 = chainv[1];
MULT24W( chainv[0], chainv[1] );
chainv[0] = _mm512_xor_si512( chainv[0], chainv[2] );
chainv[1] = _mm512_xor_si512( chainv[1], chainv[3] );
MULT24W( chainv[2], chainv[3] );
chainv[2] = _mm512_xor_si512(chainv[2], chainv[4]);
chainv[3] = _mm512_xor_si512(chainv[3], chainv[5]);
MULT24W( chainv[4], chainv[5] );
chainv[4] = _mm512_xor_si512(chainv[4], chainv[6]);
chainv[5] = _mm512_xor_si512(chainv[5], chainv[7]);
MULT24W( chainv[6], chainv[7] );
chainv[6] = _mm512_xor_si512(chainv[6], chainv[8]);
chainv[7] = _mm512_xor_si512(chainv[7], chainv[9]);
MULT24W( chainv[8], chainv[9] );
chainv[8] = _mm512_xor_si512( chainv[8], t0 );
chainv[9] = _mm512_xor_si512( chainv[9], t1 );
t0 = chainv[8];
t1 = chainv[9];
MULT24W( chainv[8], chainv[9] );
chainv[8] = _mm512_xor_si512( chainv[8], chainv[6] );
chainv[9] = _mm512_xor_si512( chainv[9], chainv[7] );
MULT24W( chainv[6], chainv[7] );
chainv[6] = _mm512_xor_si512( chainv[6], chainv[4] );
chainv[7] = _mm512_xor_si512( chainv[7], chainv[5] );
MULT24W( chainv[4], chainv[5] );
chainv[4] = _mm512_xor_si512( chainv[4], chainv[2] );
chainv[5] = _mm512_xor_si512( chainv[5], chainv[3] );
MULT24W( chainv[2], chainv[3] );
chainv[2] = _mm512_xor_si512( chainv[2], chainv[0] );
chainv[3] = _mm512_xor_si512( chainv[3], chainv[1] );
MULT24W( chainv[0], chainv[1] );
chainv[0] = mm512_xor3( chainv[0], t0, msg0 );
chainv[1] = mm512_xor3( chainv[1], t1, msg1 );
MULT24W( msg0, msg1 );
chainv[2] = _mm512_xor_si512( chainv[2], msg0 );
chainv[3] = _mm512_xor_si512( chainv[3], msg1 );
MULT24W( msg0, msg1 );
chainv[4] = _mm512_xor_si512( chainv[4], msg0 );
chainv[5] = _mm512_xor_si512( chainv[5], msg1 );
MULT24W( msg0, msg1 );
chainv[6] = _mm512_xor_si512( chainv[6], msg0 );
chainv[7] = _mm512_xor_si512( chainv[7], msg1 );
MULT24W( msg0, msg1);
chainv[8] = _mm512_xor_si512( chainv[8], msg0 );
chainv[9] = _mm512_xor_si512( chainv[9], msg1 );
MULT24W( msg0, msg1 );
chainv[3] = _mm512_rol_epi32( chainv[3], 1 );
chainv[5] = _mm512_rol_epi32( chainv[5], 2 );
chainv[7] = _mm512_rol_epi32( chainv[7], 3 );
chainv[9] = _mm512_rol_epi32( chainv[9], 4 );
NMLTOM10244W( chainv[0], chainv[2], chainv[4], chainv[6],
x[0], x[1], x[2], x[3],
chainv[1],chainv[3],chainv[5],chainv[7],
x[4], x[5], x[6], x[7] );
STEP_PART4W( &x[0], cns4w( 0), cns4w( 1), &tmp[0] );
STEP_PART4W( &x[0], cns4w( 2), cns4w( 3), &tmp[0] );
STEP_PART4W( &x[0], cns4w( 4), cns4w( 5), &tmp[0] );
STEP_PART4W( &x[0], cns4w( 6), cns4w( 7), &tmp[0] );
STEP_PART4W( &x[0], cns4w( 8), cns4w( 9), &tmp[0] );
STEP_PART4W( &x[0], cns4w(10), cns4w(11), &tmp[0] );
STEP_PART4W( &x[0], cns4w(12), cns4w(13), &tmp[0] );
STEP_PART4W( &x[0], cns4w(14), cns4w(15), &tmp[0] );
MIXTON10244W( x[0], x[1], x[2], x[3],
chainv[0], chainv[2], chainv[4],chainv[6],
x[4], x[5], x[6], x[7],
chainv[1],chainv[3],chainv[5],chainv[7]);
/* Process last 256-bit block */
STEP_PART24W( chainv[8], chainv[9], t0, t1, cns4w(16), cns4w(17),
tmp[0], tmp[1] );
STEP_PART24W( chainv[8], chainv[9], t0, t1, cns4w(18), cns4w(19),
tmp[0], tmp[1] );
STEP_PART24W( chainv[8], chainv[9], t0, t1, cns4w(20), cns4w(21),
tmp[0], tmp[1] );
STEP_PART24W( chainv[8], chainv[9], t0, t1, cns4w(22), cns4w(23),
tmp[0], tmp[1] );
STEP_PART24W( chainv[8], chainv[9], t0, t1, cns4w(24), cns4w(25),
tmp[0], tmp[1] );
STEP_PART24W( chainv[8], chainv[9], t0, t1, cns4w(26), cns4w(27),
tmp[0], tmp[1] );
STEP_PART24W( chainv[8], chainv[9], t0, t1, cns4w(28), cns4w(29),
tmp[0], tmp[1] );
STEP_PART24W( chainv[8], chainv[9], t0, t1, cns4w(30), cns4w(31),
tmp[0], tmp[1] );
}
void finalization512_4way( luffa_4way_context *state, uint32 *b )
{
uint32_t hash[8*4] __attribute((aligned(128)));
__m512i* chainv = state->chainv;
__m512i t[2];
__m512i zero[2];
zero[0] = zero[1] = m512_zero;
const __m512i shuff_bswap32 = m512_const_64(
0x3c3d3e3f38393a3b, 0x3435363730313233,
0x2c2d2e2f28292a2b, 0x2425262720212223,
0x1c1d1e1f18191a1b, 0x1415161710111213,
0x0c0d0e0f08090a0b, 0x0405060700010203 );
/*---- blank round with m=0 ----*/
rnd512_4way( state, zero );
t[0] = mm512_xor3( chainv[0], chainv[2], chainv[4] );
t[1] = mm512_xor3( chainv[1], chainv[3], chainv[5] );
t[0] = mm512_xor3( t[0], chainv[6], chainv[8] );
t[1] = mm512_xor3( t[1], chainv[7], chainv[9] );
t[0] = _mm512_shuffle_epi32( t[0], 27 );
t[1] = _mm512_shuffle_epi32( t[1], 27 );
_mm512_store_si512( (__m512i*)&hash[0], t[0] );
_mm512_store_si512( (__m512i*)&hash[16], t[1] );
casti_m512i( b, 0 ) = _mm512_shuffle_epi8(
casti_m512i( hash, 0 ), shuff_bswap32 );
casti_m512i( b, 1 ) = _mm512_shuffle_epi8(
casti_m512i( hash, 1 ), shuff_bswap32 );
rnd512_4way( state, zero );
t[0] = chainv[0];
t[1] = chainv[1];
t[0] = _mm512_xor_si512( t[0], chainv[2] );
t[1] = _mm512_xor_si512( t[1], chainv[3] );
t[0] = _mm512_xor_si512( t[0], chainv[4] );
t[1] = _mm512_xor_si512( t[1], chainv[5] );
t[0] = _mm512_xor_si512( t[0], chainv[6] );
t[1] = _mm512_xor_si512( t[1], chainv[7] );
t[0] = _mm512_xor_si512( t[0], chainv[8] );
t[1] = _mm512_xor_si512( t[1], chainv[9] );
t[0] = _mm512_shuffle_epi32( t[0], 27 );
t[1] = _mm512_shuffle_epi32( t[1], 27 );
_mm512_store_si512( (__m512i*)&hash[0], t[0] );
_mm512_store_si512( (__m512i*)&hash[16], t[1] );
casti_m512i( b, 2 ) = _mm512_shuffle_epi8(
casti_m512i( hash, 0 ), shuff_bswap32 );
casti_m512i( b, 3 ) = _mm512_shuffle_epi8(
casti_m512i( hash, 1 ), shuff_bswap32 );
}
int luffa_4way_init( luffa_4way_context *state, int hashbitlen )
{
state->hashbitlen = hashbitlen;
__m128i *iv = (__m128i*)IV;
state->chainv[0] = m512_const1_128( iv[0] );
state->chainv[1] = m512_const1_128( iv[1] );
state->chainv[2] = m512_const1_128( iv[2] );
state->chainv[3] = m512_const1_128( iv[3] );
state->chainv[4] = m512_const1_128( iv[4] );
state->chainv[5] = m512_const1_128( iv[5] );
state->chainv[6] = m512_const1_128( iv[6] );
state->chainv[7] = m512_const1_128( iv[7] );
state->chainv[8] = m512_const1_128( iv[8] );
state->chainv[9] = m512_const1_128( iv[9] );
((__m512i*)state->buffer)[0] = m512_zero;
((__m512i*)state->buffer)[1] = m512_zero;
return 0;
}
int luffa512_4way_init( luffa_4way_context *state )
{
return luffa_4way_init( state, 512 );
}
// Do not call luffa_update_close after having called luffa_update.
// Once luffa_update has been called only call luffa_update or luffa_close.
int luffa_4way_update( luffa_4way_context *state, const void *data,
size_t len )
{
__m512i *vdata = (__m512i*)data;
__m512i *buffer = (__m512i*)state->buffer;
__m512i msg[2];
int i;
int blocks = (int)len >> 5;
const __m512i shuff_bswap32 = m512_const_64(
0x3c3d3e3f38393a3b, 0x3435363730313233,
0x2c2d2e2f28292a2b, 0x2425262720212223,
0x1c1d1e1f18191a1b, 0x1415161710111213,
0x0c0d0e0f08090a0b, 0x0405060700010203 );
state->rembytes = (int)len & 0x1F;
// full blocks
for ( i = 0; i < blocks; i++, vdata+=2 )
{
msg[0] = _mm512_shuffle_epi8( vdata[ 0 ], shuff_bswap32 );
msg[1] = _mm512_shuffle_epi8( vdata[ 1 ], shuff_bswap32 );
rnd512_4way( state, msg );
}
// 16 byte partial block exists for 80 byte len
// store in buffer for transform in final for midstate to work
if ( state->rembytes )
{
// remaining data bytes
buffer[0] = _mm512_shuffle_epi8( vdata[0], shuff_bswap32 );
buffer[1] = m512_const1_i128( 0x0000000080000000 );
}
return 0;
}
/*
int luffa512_4way_update( luffa_4way_context *state, const void *data,
size_t len )
{
return luffa_4way_update( state, data, len );
}
*/
int luffa_4way_close( luffa_4way_context *state, void *hashval )
{
__m512i *buffer = (__m512i*)state->buffer;
__m512i msg[2];
// transform pad block
if ( state->rembytes )
// not empty, data is in buffer
rnd512_4way( state, buffer );
else
{ // empty pad block, constant data
msg[0] = m512_const1_i128( 0x0000000080000000 );
msg[1] = m512_zero;
rnd512_4way( state, msg );
}
finalization512_4way( state, (uint32*)hashval );
if ( state->hashbitlen > 512 )
finalization512_4way( state, (uint32*)( hashval+32 ) );
return 0;
}
/*
int luffa512_4way_close( luffa_4way_context *state, void *hashval )
{
return luffa_4way_close( state, hashval );
}
*/
int luffa512_4way_full( luffa_4way_context *state, void *output,
const void *data, size_t inlen )
{
state->hashbitlen = 512;
__m128i *iv = (__m128i*)IV;
state->chainv[0] = m512_const1_128( iv[0] );
state->chainv[1] = m512_const1_128( iv[1] );
state->chainv[2] = m512_const1_128( iv[2] );
state->chainv[3] = m512_const1_128( iv[3] );
state->chainv[4] = m512_const1_128( iv[4] );
state->chainv[5] = m512_const1_128( iv[5] );
state->chainv[6] = m512_const1_128( iv[6] );
state->chainv[7] = m512_const1_128( iv[7] );
state->chainv[8] = m512_const1_128( iv[8] );
state->chainv[9] = m512_const1_128( iv[9] );
((__m512i*)state->buffer)[0] = m512_zero;
((__m512i*)state->buffer)[1] = m512_zero;
const __m512i *vdata = (__m512i*)data;
__m512i msg[2];
int i;
const int blocks = (int)( inlen >> 5 );
const __m512i shuff_bswap32 = m512_const_64(
0x3c3d3e3f38393a3b, 0x3435363730313233,
0x2c2d2e2f28292a2b, 0x2425262720212223,
0x1c1d1e1f18191a1b, 0x1415161710111213,
0x0c0d0e0f08090a0b, 0x0405060700010203 );
state->rembytes = inlen & 0x1F;
// full blocks
for ( i = 0; i < blocks; i++, vdata+=2 )
{
msg[0] = _mm512_shuffle_epi8( vdata[ 0 ], shuff_bswap32 );
msg[1] = _mm512_shuffle_epi8( vdata[ 1 ], shuff_bswap32 );
rnd512_4way( state, msg );
}
// 16 byte partial block exists for 80 byte len
if ( state->rembytes )
{
// padding of partial block
msg[0] = _mm512_shuffle_epi8( vdata[ 0 ], shuff_bswap32 );
msg[1] = m512_const1_i128( 0x0000000080000000 );
rnd512_4way( state, msg );
}
else
{
// empty pad block
msg[0] = m512_const1_i128( 0x0000000080000000 );
msg[1] = m512_zero;
rnd512_4way( state, msg );
}
finalization512_4way( state, (uint32*)output );
if ( state->hashbitlen > 512 )
finalization512_4way( state, (uint32*)( output+64 ) );
return 0;
}
int luffa_4way_update_close( luffa_4way_context *state,
void *output, const void *data, size_t inlen )
{
// Optimized for integrals of 16 bytes, good for 64 and 80 byte len
const __m512i *vdata = (__m512i*)data;
__m512i msg[2];
int i;
const int blocks = (int)( inlen >> 5 );
const __m512i shuff_bswap32 = m512_const_64(
0x3c3d3e3f38393a3b, 0x3435363730313233,
0x2c2d2e2f28292a2b, 0x2425262720212223,
0x1c1d1e1f18191a1b, 0x1415161710111213,
0x0c0d0e0f08090a0b, 0x0405060700010203 );
state->rembytes = inlen & 0x1F;
// full blocks
for ( i = 0; i < blocks; i++, vdata+=2 )
{
msg[0] = _mm512_shuffle_epi8( vdata[ 0 ], shuff_bswap32 );
msg[1] = _mm512_shuffle_epi8( vdata[ 1 ], shuff_bswap32 );
rnd512_4way( state, msg );
}
// 16 byte partial block exists for 80 byte len
if ( state->rembytes )
{
// padding of partial block
msg[0] = _mm512_shuffle_epi8( vdata[ 0 ], shuff_bswap32 );
msg[1] = m512_const1_i128( 0x0000000080000000 );
rnd512_4way( state, msg );
}
else
{
// empty pad block
msg[0] = m512_const1_i128( 0x0000000080000000 );
msg[1] = m512_zero;
rnd512_4way( state, msg );
}
finalization512_4way( state, (uint32*)output );
if ( state->hashbitlen > 512 )
finalization512_4way( state, (uint32*)( output+64 ) );
return 0;
}
#endif // AVX512
#define cns(i) m256_const1_128( ( (__m128i*)CNS_INIT)[i] )
#define ADD_CONSTANT(a,b,c0,c1)\
a = _mm256_xor_si256(a,c0);\
b = _mm256_xor_si256(b,c1);
#define MULT2( a0, a1, mask ) \
do { \
__m256i b = _mm256_xor_si256( a0, \
_mm256_shuffle_epi32( _mm256_and_si256(a1,mask), 16 ) ); \
a0 = _mm256_or_si256( _mm256_srli_si256(b,4), _mm256_slli_si256(a1,12) ); \
a1 = _mm256_or_si256( _mm256_srli_si256(a1,4), _mm256_slli_si256(b,12) ); \
} while(0)
#define STEP_PART(x,c0,c1,t)\
SUBCRUMB(*x,*(x+1),*(x+2),*(x+3),*t);\
SUBCRUMB(*(x+5),*(x+6),*(x+7),*(x+4),*t);\
MIXWORD(*x,*(x+4),*t,*(t+1));\
MIXWORD(*(x+1),*(x+5),*t,*(t+1));\
MIXWORD(*(x+2),*(x+6),*t,*(t+1));\
MIXWORD(*(x+3),*(x+7),*t,*(t+1));\
ADD_CONSTANT(*x, *(x+4), c0, c1);
#define SUBCRUMB(a0,a1,a2,a3,t)\
t = a0;\
a0 = _mm256_or_si256(a0,a1);\
a2 = _mm256_xor_si256(a2,a3);\
a1 = mm256_not( a1 );\
a0 = _mm256_xor_si256(a0,a3);\
a3 = _mm256_and_si256(a3,t);\
a1 = _mm256_xor_si256(a1,a3);\
a3 = _mm256_xor_si256(a3,a2);\
a2 = _mm256_and_si256(a2,a0);\
a0 = mm256_not( a0 );\
a2 = _mm256_xor_si256(a2,a1);\
a1 = _mm256_or_si256(a1,a3);\
t = _mm256_xor_si256(t,a1);\
a3 = _mm256_xor_si256(a3,a2);\
a2 = _mm256_and_si256(a2,a1);\
a1 = _mm256_xor_si256(a1,a0);\
a0 = t;\
#define MIXWORD(a,b,t1,t2)\
b = _mm256_xor_si256(a,b);\
t1 = _mm256_slli_epi32(a,2);\
t2 = _mm256_srli_epi32(a,30);\
a = _mm256_or_si256(t1,t2);\
a = _mm256_xor_si256(a,b);\
t1 = _mm256_slli_epi32(b,14);\
t2 = _mm256_srli_epi32(b,18);\
b = _mm256_or_si256(t1,t2);\
b = _mm256_xor_si256(a,b);\
t1 = _mm256_slli_epi32(a,10);\
t2 = _mm256_srli_epi32(a,22);\
a = _mm256_or_si256(t1,t2);\
a = _mm256_xor_si256(a,b);\
t1 = _mm256_slli_epi32(b,1);\
t2 = _mm256_srli_epi32(b,31);\
b = _mm256_or_si256(t1,t2);
#define STEP_PART2(a0,a1,t0,t1,c0,c1,tmp0,tmp1)\
a1 = _mm256_shuffle_epi32(a1,147);\
t0 = _mm256_load_si256(&a1);\
a1 = _mm256_unpacklo_epi32(a1,a0);\
t0 = _mm256_unpackhi_epi32(t0,a0);\
t1 = _mm256_shuffle_epi32(t0,78);\
a0 = _mm256_shuffle_epi32(a1,78);\
SUBCRUMB(t1,t0,a0,a1,tmp0);\
t0 = _mm256_unpacklo_epi32(t0,t1);\
a1 = _mm256_unpacklo_epi32(a1,a0);\
a0 = _mm256_load_si256(&a1);\
a0 = _mm256_unpackhi_epi64(a0,t0);\
a1 = _mm256_unpacklo_epi64(a1,t0);\
a1 = _mm256_shuffle_epi32(a1,57);\
MIXWORD(a0,a1,tmp0,tmp1);\
ADD_CONSTANT(a0,a1,c0,c1);
#define NMLTOM768(r0,r1,r2,s0,s1,s2,s3,p0,p1,p2,q0,q1,q2,q3)\
s2 = _mm256_load_si256(&r1);\
q2 = _mm256_load_si256(&p1);\
r2 = _mm256_shuffle_epi32(r2,216);\
p2 = _mm256_shuffle_epi32(p2,216);\
r1 = _mm256_unpacklo_epi32(r1,r0);\
p1 = _mm256_unpacklo_epi32(p1,p0);\
s2 = _mm256_unpackhi_epi32(s2,r0);\
q2 = _mm256_unpackhi_epi32(q2,p0);\
s0 = _mm256_load_si256(&r2);\
q0 = _mm256_load_si256(&p2);\
r2 = _mm256_unpacklo_epi64(r2,r1);\
p2 = _mm256_unpacklo_epi64(p2,p1);\
s1 = _mm256_load_si256(&s0);\
q1 = _mm256_load_si256(&q0);\
s0 = _mm256_unpackhi_epi64(s0,r1);\
q0 = _mm256_unpackhi_epi64(q0,p1);\
r2 = _mm256_shuffle_epi32(r2,225);\
p2 = _mm256_shuffle_epi32(p2,225);\
r0 = _mm256_load_si256(&s1);\
p0 = _mm256_load_si256(&q1);\
s0 = _mm256_shuffle_epi32(s0,225);\
q0 = _mm256_shuffle_epi32(q0,225);\
s1 = _mm256_unpacklo_epi64(s1,s2);\
q1 = _mm256_unpacklo_epi64(q1,q2);\
r0 = _mm256_unpackhi_epi64(r0,s2);\
p0 = _mm256_unpackhi_epi64(p0,q2);\
s2 = _mm256_load_si256(&r0);\
q2 = _mm256_load_si256(&p0);\
s3 = _mm256_load_si256(&r2);\
q3 = _mm256_load_si256(&p2);
#define MIXTON768(r0,r1,r2,r3,s0,s1,s2,p0,p1,p2,p3,q0,q1,q2)\
s0 = _mm256_load_si256(&r0);\
q0 = _mm256_load_si256(&p0);\
s1 = _mm256_load_si256(&r2);\
q1 = _mm256_load_si256(&p2);\
r0 = _mm256_unpackhi_epi32(r0,r1);\
p0 = _mm256_unpackhi_epi32(p0,p1);\
r2 = _mm256_unpackhi_epi32(r2,r3);\
p2 = _mm256_unpackhi_epi32(p2,p3);\
s0 = _mm256_unpacklo_epi32(s0,r1);\
q0 = _mm256_unpacklo_epi32(q0,p1);\
s1 = _mm256_unpacklo_epi32(s1,r3);\
q1 = _mm256_unpacklo_epi32(q1,p3);\
r1 = _mm256_load_si256(&r0);\
p1 = _mm256_load_si256(&p0);\
r0 = _mm256_unpackhi_epi64(r0,r2);\
p0 = _mm256_unpackhi_epi64(p0,p2);\
s0 = _mm256_unpackhi_epi64(s0,s1);\
q0 = _mm256_unpackhi_epi64(q0,q1);\
r1 = _mm256_unpacklo_epi64(r1,r2);\
p1 = _mm256_unpacklo_epi64(p1,p2);\
s2 = _mm256_load_si256(&r0);\
q2 = _mm256_load_si256(&p0);\
s1 = _mm256_load_si256(&r1);\
q1 = _mm256_load_si256(&p1);\
#define NMLTOM1024(r0,r1,r2,r3,s0,s1,s2,s3,p0,p1,p2,p3,q0,q1,q2,q3)\
s1 = _mm256_load_si256(&r3);\
q1 = _mm256_load_si256(&p3);\
s3 = _mm256_load_si256(&r3);\
q3 = _mm256_load_si256(&p3);\
s1 = _mm256_unpackhi_epi32(s1,r2);\
q1 = _mm256_unpackhi_epi32(q1,p2);\
s3 = _mm256_unpacklo_epi32(s3,r2);\
q3 = _mm256_unpacklo_epi32(q3,p2);\
s0 = _mm256_load_si256(&s1);\
q0 = _mm256_load_si256(&q1);\
s2 = _mm256_load_si256(&s3);\
q2 = _mm256_load_si256(&q3);\
r3 = _mm256_load_si256(&r1);\
p3 = _mm256_load_si256(&p1);\
r1 = _mm256_unpacklo_epi32(r1,r0);\
p1 = _mm256_unpacklo_epi32(p1,p0);\
r3 = _mm256_unpackhi_epi32(r3,r0);\
p3 = _mm256_unpackhi_epi32(p3,p0);\
s0 = _mm256_unpackhi_epi64(s0,r3);\
q0 = _mm256_unpackhi_epi64(q0,p3);\
s1 = _mm256_unpacklo_epi64(s1,r3);\
q1 = _mm256_unpacklo_epi64(q1,p3);\
s2 = _mm256_unpackhi_epi64(s2,r1);\
q2 = _mm256_unpackhi_epi64(q2,p1);\
s3 = _mm256_unpacklo_epi64(s3,r1);\
q3 = _mm256_unpacklo_epi64(q3,p1);
#define MIXTON1024(r0,r1,r2,r3,s0,s1,s2,s3,p0,p1,p2,p3,q0,q1,q2,q3)\
NMLTOM1024(r0,r1,r2,r3,s0,s1,s2,s3,p0,p1,p2,p3,q0,q1,q2,q3);
/***************************************************/
/* Round function */
/* state: hash context */
void rnd512_2way( luffa_2way_context *state, __m256i *msg )
{
__m256i t0, t1;
__m256i *chainv = state->chainv;
__m256i msg0, msg1;
__m256i tmp[2];
__m256i x[8];
const __m256i MASK = m256_const1_i128( 0x00000000ffffffff );
t0 = chainv[0];
t1 = chainv[1];
t0 = _mm256_xor_si256( t0, chainv[2] );
t1 = _mm256_xor_si256( t1, chainv[3] );
t0 = _mm256_xor_si256( t0, chainv[4] );
t1 = _mm256_xor_si256( t1, chainv[5] );
t0 = _mm256_xor_si256( t0, chainv[6] );
t1 = _mm256_xor_si256( t1, chainv[7] );
t0 = _mm256_xor_si256( t0, chainv[8] );
t1 = _mm256_xor_si256( t1, chainv[9] );
MULT2( t0, t1, MASK );
msg0 = _mm256_shuffle_epi32( msg[0], 27 );
msg1 = _mm256_shuffle_epi32( msg[1], 27 );
chainv[0] = _mm256_xor_si256( chainv[0], t0 );
chainv[1] = _mm256_xor_si256( chainv[1], t1 );
chainv[2] = _mm256_xor_si256( chainv[2], t0 );
chainv[3] = _mm256_xor_si256( chainv[3], t1 );
chainv[4] = _mm256_xor_si256( chainv[4], t0 );
chainv[5] = _mm256_xor_si256( chainv[5], t1 );
chainv[6] = _mm256_xor_si256( chainv[6], t0 );
chainv[7] = _mm256_xor_si256( chainv[7], t1 );
chainv[8] = _mm256_xor_si256( chainv[8], t0 );
chainv[9] = _mm256_xor_si256( chainv[9], t1 );
t0 = chainv[0];
t1 = chainv[1];
MULT2( chainv[0], chainv[1], MASK );
chainv[0] = _mm256_xor_si256( chainv[0], chainv[2] );
chainv[1] = _mm256_xor_si256( chainv[1], chainv[3] );
MULT2( chainv[2], chainv[3], MASK );
chainv[2] = _mm256_xor_si256(chainv[2], chainv[4]);
chainv[3] = _mm256_xor_si256(chainv[3], chainv[5]);
MULT2( chainv[4], chainv[5], MASK );
chainv[4] = _mm256_xor_si256(chainv[4], chainv[6]);
chainv[5] = _mm256_xor_si256(chainv[5], chainv[7]);
MULT2( chainv[6], chainv[7], MASK );
chainv[6] = _mm256_xor_si256(chainv[6], chainv[8]);
chainv[7] = _mm256_xor_si256(chainv[7], chainv[9]);
MULT2( chainv[8], chainv[9], MASK );
chainv[8] = _mm256_xor_si256( chainv[8], t0 );
chainv[9] = _mm256_xor_si256( chainv[9], t1 );
t0 = chainv[8];
t1 = chainv[9];
MULT2( chainv[8], chainv[9], MASK );
chainv[8] = _mm256_xor_si256( chainv[8], chainv[6] );
chainv[9] = _mm256_xor_si256( chainv[9], chainv[7] );
MULT2( chainv[6], chainv[7], MASK );
chainv[6] = _mm256_xor_si256( chainv[6], chainv[4] );
chainv[7] = _mm256_xor_si256( chainv[7], chainv[5] );
MULT2( chainv[4], chainv[5], MASK );
chainv[4] = _mm256_xor_si256( chainv[4], chainv[2] );
chainv[5] = _mm256_xor_si256( chainv[5], chainv[3] );
MULT2( chainv[2], chainv[3], MASK );
chainv[2] = _mm256_xor_si256( chainv[2], chainv[0] );
chainv[3] = _mm256_xor_si256( chainv[3], chainv[1] );
MULT2( chainv[0], chainv[1], MASK );
chainv[0] = _mm256_xor_si256( _mm256_xor_si256( chainv[0], t0 ), msg0 );
chainv[1] = _mm256_xor_si256( _mm256_xor_si256( chainv[1], t1 ), msg1 );
MULT2( msg0, msg1, MASK );
chainv[2] = _mm256_xor_si256( chainv[2], msg0 );
chainv[3] = _mm256_xor_si256( chainv[3], msg1 );
MULT2( msg0, msg1, MASK );
chainv[4] = _mm256_xor_si256( chainv[4], msg0 );
chainv[5] = _mm256_xor_si256( chainv[5], msg1 );
MULT2( msg0, msg1, MASK );
chainv[6] = _mm256_xor_si256( chainv[6], msg0 );
chainv[7] = _mm256_xor_si256( chainv[7], msg1 );
MULT2( msg0, msg1, MASK );
chainv[8] = _mm256_xor_si256( chainv[8], msg0 );
chainv[9] = _mm256_xor_si256( chainv[9], msg1 );
MULT2( msg0, msg1, MASK );
chainv[3] = mm256_rol_32( chainv[3], 1 );
chainv[5] = mm256_rol_32( chainv[5], 2 );
chainv[7] = mm256_rol_32( chainv[7], 3 );
chainv[9] = mm256_rol_32( chainv[9], 4 );
NMLTOM1024( chainv[0], chainv[2], chainv[4], chainv[6],
x[0], x[1], x[2], x[3],
chainv[1],chainv[3],chainv[5],chainv[7],
x[4], x[5], x[6], x[7] );
STEP_PART( &x[0], cns( 0), cns( 1), &tmp[0] );
STEP_PART( &x[0], cns( 2), cns( 3), &tmp[0] );
STEP_PART( &x[0], cns( 4), cns( 5), &tmp[0] );
STEP_PART( &x[0], cns( 6), cns( 7), &tmp[0] );
STEP_PART( &x[0], cns( 8), cns( 9), &tmp[0] );
STEP_PART( &x[0], cns(10), cns(11), &tmp[0] );
STEP_PART( &x[0], cns(12), cns(13), &tmp[0] );
STEP_PART( &x[0], cns(14), cns(15), &tmp[0] );
MIXTON1024( x[0], x[1], x[2], x[3],
chainv[0], chainv[2], chainv[4],chainv[6],
x[4], x[5], x[6], x[7],
chainv[1],chainv[3],chainv[5],chainv[7]);
/* Process last 256-bit block */
STEP_PART2( chainv[8], chainv[9], t0, t1, cns(16), cns(17),
tmp[0], tmp[1] );
STEP_PART2( chainv[8], chainv[9], t0, t1, cns(18), cns(19),
tmp[0], tmp[1] );
STEP_PART2( chainv[8], chainv[9], t0, t1, cns(20), cns(21),
tmp[0], tmp[1] );
STEP_PART2( chainv[8], chainv[9], t0, t1, cns(22), cns(23),
tmp[0], tmp[1] );
STEP_PART2( chainv[8], chainv[9], t0, t1, cns(24), cns(25),
tmp[0], tmp[1] );
STEP_PART2( chainv[8], chainv[9], t0, t1, cns(26), cns(27),
tmp[0], tmp[1] );
STEP_PART2( chainv[8], chainv[9], t0, t1, cns(28), cns(29),
tmp[0], tmp[1] );
STEP_PART2( chainv[8], chainv[9], t0, t1, cns(30), cns(31),
tmp[0], tmp[1] );
}
/***************************************************/
/* Finalization function */
/* state: hash context */
/* b[8]: hash values */
void finalization512_2way( luffa_2way_context *state, uint32 *b )
{
uint32 hash[8*2] __attribute((aligned(64)));
__m256i* chainv = state->chainv;
__m256i t[2];
__m256i zero[2];
zero[0] = zero[1] = m256_zero;
const __m256i shuff_bswap32 = m256_const_64( 0x1c1d1e1f18191a1b,
0x1415161710111213,
0x0c0d0e0f08090a0b,
0x0405060700010203 );
/*---- blank round with m=0 ----*/
rnd512_2way( state, zero );
t[0] = chainv[0];
t[1] = chainv[1];
t[0] = _mm256_xor_si256( t[0], chainv[2] );
t[1] = _mm256_xor_si256( t[1], chainv[3] );
t[0] = _mm256_xor_si256( t[0], chainv[4] );
t[1] = _mm256_xor_si256( t[1], chainv[5] );
t[0] = _mm256_xor_si256( t[0], chainv[6] );
t[1] = _mm256_xor_si256( t[1], chainv[7] );
t[0] = _mm256_xor_si256( t[0], chainv[8] );
t[1] = _mm256_xor_si256( t[1], chainv[9] );
t[0] = _mm256_shuffle_epi32( t[0], 27 );
t[1] = _mm256_shuffle_epi32( t[1], 27 );
_mm256_store_si256( (__m256i*)&hash[0], t[0] );
_mm256_store_si256( (__m256i*)&hash[8], t[1] );
casti_m256i( b, 0 ) = _mm256_shuffle_epi8(
casti_m256i( hash, 0 ), shuff_bswap32 );
casti_m256i( b, 1 ) = _mm256_shuffle_epi8(
casti_m256i( hash, 1 ), shuff_bswap32 );
rnd512_2way( state, zero );
t[0] = chainv[0];
t[1] = chainv[1];
t[0] = _mm256_xor_si256( t[0], chainv[2] );
t[1] = _mm256_xor_si256( t[1], chainv[3] );
t[0] = _mm256_xor_si256( t[0], chainv[4] );
t[1] = _mm256_xor_si256( t[1], chainv[5] );
t[0] = _mm256_xor_si256( t[0], chainv[6] );
t[1] = _mm256_xor_si256( t[1], chainv[7] );
t[0] = _mm256_xor_si256( t[0], chainv[8] );
t[1] = _mm256_xor_si256( t[1], chainv[9] );
t[0] = _mm256_shuffle_epi32( t[0], 27 );
t[1] = _mm256_shuffle_epi32( t[1], 27 );
_mm256_store_si256( (__m256i*)&hash[0], t[0] );
_mm256_store_si256( (__m256i*)&hash[8], t[1] );
casti_m256i( b, 2 ) = _mm256_shuffle_epi8(
casti_m256i( hash, 0 ), shuff_bswap32 );
casti_m256i( b, 3 ) = _mm256_shuffle_epi8(
casti_m256i( hash, 1 ), shuff_bswap32 );
}
int luffa_2way_init( luffa_2way_context *state, int hashbitlen )
{
state->hashbitlen = hashbitlen;
__m128i *iv = (__m128i*)IV;
state->chainv[0] = m256_const1_128( iv[0] );
state->chainv[1] = m256_const1_128( iv[1] );
state->chainv[2] = m256_const1_128( iv[2] );
state->chainv[3] = m256_const1_128( iv[3] );
state->chainv[4] = m256_const1_128( iv[4] );
state->chainv[5] = m256_const1_128( iv[5] );
state->chainv[6] = m256_const1_128( iv[6] );
state->chainv[7] = m256_const1_128( iv[7] );
state->chainv[8] = m256_const1_128( iv[8] );
state->chainv[9] = m256_const1_128( iv[9] );
((__m256i*)state->buffer)[0] = m256_zero;
((__m256i*)state->buffer)[1] = m256_zero;
return 0;
}
// Do not call luffa_update_close after having called luffa_update.
// Once luffa_update has been called only call luffa_update or luffa_close.
int luffa_2way_update( luffa_2way_context *state, const void *data,
size_t len )
{
__m256i *vdata = (__m256i*)data;
__m256i *buffer = (__m256i*)state->buffer;
__m256i msg[2];
int i;
int blocks = (int)len >> 5;
const __m256i shuff_bswap32 = m256_const_64( 0x1c1d1e1f18191a1b,
0x1415161710111213,
0x0c0d0e0f08090a0b,
0x0405060700010203 );
state-> rembytes = (int)len & 0x1F;
// full blocks
for ( i = 0; i < blocks; i++, vdata+=2 )
{
msg[0] = _mm256_shuffle_epi8( vdata[ 0 ], shuff_bswap32 );
msg[1] = _mm256_shuffle_epi8( vdata[ 1 ], shuff_bswap32 );
rnd512_2way( state, msg );
}
// 16 byte partial block exists for 80 byte len
// store in buffer for transform in final for midstate to work
if ( state->rembytes )
{
// remaining data bytes
buffer[0] = _mm256_shuffle_epi8( vdata[0], shuff_bswap32 );
buffer[1] = m256_const1_i128( 0x0000000080000000 );
}
return 0;
}
int luffa_2way_close( luffa_2way_context *state, void *hashval )
{
__m256i *buffer = (__m256i*)state->buffer;
__m256i msg[2];
// transform pad block
if ( state->rembytes )
// not empty, data is in buffer
rnd512_2way( state, buffer );
else
{ // empty pad block, constant data
msg[0] = m256_const1_i128( 0x0000000080000000 );
msg[1] = m256_zero;
rnd512_2way( state, msg );
}
finalization512_2way( state, (uint32*)hashval );
if ( state->hashbitlen > 512 )
finalization512_2way( state, (uint32*)( hashval+32 ) );
return 0;
}
int luffa512_2way_full( luffa_2way_context *state, void *output,
const void *data, size_t inlen )
{
state->hashbitlen = 512;
__m128i *iv = (__m128i*)IV;
state->chainv[0] = m256_const1_128( iv[0] );
state->chainv[1] = m256_const1_128( iv[1] );
state->chainv[2] = m256_const1_128( iv[2] );
state->chainv[3] = m256_const1_128( iv[3] );
state->chainv[4] = m256_const1_128( iv[4] );
state->chainv[5] = m256_const1_128( iv[5] );
state->chainv[6] = m256_const1_128( iv[6] );
state->chainv[7] = m256_const1_128( iv[7] );
state->chainv[8] = m256_const1_128( iv[8] );
state->chainv[9] = m256_const1_128( iv[9] );
((__m256i*)state->buffer)[0] = m256_zero;
((__m256i*)state->buffer)[1] = m256_zero;
const __m256i *vdata = (__m256i*)data;
__m256i msg[2];
int i;
const int blocks = (int)( inlen >> 5 );
const __m256i shuff_bswap32 = m256_const_64( 0x1c1d1e1f18191a1b,
0x1415161710111213,
0x0c0d0e0f08090a0b,
0x0405060700010203 );
state->rembytes = inlen & 0x1F;
// full blocks
for ( i = 0; i < blocks; i++, vdata+=2 )
{
msg[0] = _mm256_shuffle_epi8( vdata[ 0 ], shuff_bswap32 );
msg[1] = _mm256_shuffle_epi8( vdata[ 1 ], shuff_bswap32 );
rnd512_2way( state, msg );
}
// 16 byte partial block exists for 80 byte len
if ( state->rembytes )
{
// padding of partial block
msg[0] = _mm256_shuffle_epi8( vdata[ 0 ], shuff_bswap32 );
msg[1] = m256_const1_i128( 0x0000000080000000 );
rnd512_2way( state, msg );
}
else
{
// empty pad block
msg[0] = m256_const1_i128( 0x0000000080000000 );
msg[1] = m256_zero;
rnd512_2way( state, msg );
}
finalization512_2way( state, (uint32*)output );
if ( state->hashbitlen > 512 )
finalization512_2way( state, (uint32*)( output+32 ) );
return 0;
}
int luffa_2way_update_close( luffa_2way_context *state,
void *output, const void *data, size_t inlen )
{
// Optimized for integrals of 16 bytes, good for 64 and 80 byte len
const __m256i *vdata = (__m256i*)data;
__m256i msg[2];
int i;
const int blocks = (int)( inlen >> 5 );
const __m256i shuff_bswap32 = m256_const_64( 0x1c1d1e1f18191a1b,
0x1415161710111213,
0x0c0d0e0f08090a0b,
0x0405060700010203 );
state->rembytes = inlen & 0x1F;
// full blocks
for ( i = 0; i < blocks; i++, vdata+=2 )
{
msg[0] = _mm256_shuffle_epi8( vdata[ 0 ], shuff_bswap32 );
msg[1] = _mm256_shuffle_epi8( vdata[ 1 ], shuff_bswap32 );
rnd512_2way( state, msg );
}
// 16 byte partial block exists for 80 byte len
if ( state->rembytes )
{
// padding of partial block
msg[0] = _mm256_shuffle_epi8( vdata[ 0 ], shuff_bswap32 );
msg[1] = m256_const1_i128( 0x0000000080000000 );
rnd512_2way( state, msg );
}
else
{
// empty pad block
msg[0] = m256_const1_i128( 0x0000000080000000 );
msg[1] = m256_zero;
rnd512_2way( state, msg );
}
finalization512_2way( state, (uint32*)output );
if ( state->hashbitlen > 512 )
finalization512_2way( state, (uint32*)( output+32 ) );
return 0;
}
#endif
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