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Merge branch 'master' of github.com:VerusCoin/VerusCoin

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This commit is contained in:
David Dawes
2018-06-16 14:58:51 -07:00
parent 9f2e84976e 87bbf1bfe5
commit d3c08b6ff9
10 changed files with 537 additions and 5 deletions
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5
src/Makefile.am
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@@ -166,6 +166,7 @@ BITCOIN_CORE_H = \
core_memusage.h \
deprecation.h \
haraka.h \
haraka_portable.h \
hash.h \
httprpc.h \
httpserver.h \
@@ -382,7 +383,9 @@ crypto_libverus_crypto_a_CPPFLAGS = -O3 -Wint-conversion -march=native -funroll-
crypto_libverus_crypto_a_CXXFLAGS = -O3 -Wint-conversion -march=native -funroll-loops -fomit-frame-pointer -fPIC $(AM_CXXFLAGS)
crypto_libverus_crypto_a_SOURCES = \
crypto/haraka.h \
crypto/haraka.c
crypto/haraka.c \
crypto/haraka_portable.h \
crypto/haraka_portable.c
# common: shared between zcashd and non-server tools
libbitcoin_common_a_CPPFLAGS = -fPIC $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)

316
src/crypto/haraka_portable.c Normal file
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@@ -0,0 +1,316 @@
/*
Plain C implementation of the Haraka256 and Haraka512 permutations.
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "haraka_portable.h"
#define HARAKAS_RATE 32
static const unsigned char haraka_rc[40][16] = {
{0x9d, 0x7b, 0x81, 0x75, 0xf0, 0xfe, 0xc5, 0xb2, 0x0a, 0xc0, 0x20, 0xe6, 0x4c, 0x70, 0x84, 0x06},
{0x17, 0xf7, 0x08, 0x2f, 0xa4, 0x6b, 0x0f, 0x64, 0x6b, 0xa0, 0xf3, 0x88, 0xe1, 0xb4, 0x66, 0x8b},
{0x14, 0x91, 0x02, 0x9f, 0x60, 0x9d, 0x02, 0xcf, 0x98, 0x84, 0xf2, 0x53, 0x2d, 0xde, 0x02, 0x34},
{0x79, 0x4f, 0x5b, 0xfd, 0xaf, 0xbc, 0xf3, 0xbb, 0x08, 0x4f, 0x7b, 0x2e, 0xe6, 0xea, 0xd6, 0x0e},
{0x44, 0x70, 0x39, 0xbe, 0x1c, 0xcd, 0xee, 0x79, 0x8b, 0x44, 0x72, 0x48, 0xcb, 0xb0, 0xcf, 0xcb},
{0x7b, 0x05, 0x8a, 0x2b, 0xed, 0x35, 0x53, 0x8d, 0xb7, 0x32, 0x90, 0x6e, 0xee, 0xcd, 0xea, 0x7e},
{0x1b, 0xef, 0x4f, 0xda, 0x61, 0x27, 0x41, 0xe2, 0xd0, 0x7c, 0x2e, 0x5e, 0x43, 0x8f, 0xc2, 0x67},
{0x3b, 0x0b, 0xc7, 0x1f, 0xe2, 0xfd, 0x5f, 0x67, 0x07, 0xcc, 0xca, 0xaf, 0xb0, 0xd9, 0x24, 0x29},
{0xee, 0x65, 0xd4, 0xb9, 0xca, 0x8f, 0xdb, 0xec, 0xe9, 0x7f, 0x86, 0xe6, 0xf1, 0x63, 0x4d, 0xab},
{0x33, 0x7e, 0x03, 0xad, 0x4f, 0x40, 0x2a, 0x5b, 0x64, 0xcd, 0xb7, 0xd4, 0x84, 0xbf, 0x30, 0x1c},
{0x00, 0x98, 0xf6, 0x8d, 0x2e, 0x8b, 0x02, 0x69, 0xbf, 0x23, 0x17, 0x94, 0xb9, 0x0b, 0xcc, 0xb2},
{0x8a, 0x2d, 0x9d, 0x5c, 0xc8, 0x9e, 0xaa, 0x4a, 0x72, 0x55, 0x6f, 0xde, 0xa6, 0x78, 0x04, 0xfa},
{0xd4, 0x9f, 0x12, 0x29, 0x2e, 0x4f, 0xfa, 0x0e, 0x12, 0x2a, 0x77, 0x6b, 0x2b, 0x9f, 0xb4, 0xdf},
{0xee, 0x12, 0x6a, 0xbb, 0xae, 0x11, 0xd6, 0x32, 0x36, 0xa2, 0x49, 0xf4, 0x44, 0x03, 0xa1, 0x1e},
{0xa6, 0xec, 0xa8, 0x9c, 0xc9, 0x00, 0x96, 0x5f, 0x84, 0x00, 0x05, 0x4b, 0x88, 0x49, 0x04, 0xaf},
{0xec, 0x93, 0xe5, 0x27, 0xe3, 0xc7, 0xa2, 0x78, 0x4f, 0x9c, 0x19, 0x9d, 0xd8, 0x5e, 0x02, 0x21},
{0x73, 0x01, 0xd4, 0x82, 0xcd, 0x2e, 0x28, 0xb9, 0xb7, 0xc9, 0x59, 0xa7, 0xf8, 0xaa, 0x3a, 0xbf},
{0x6b, 0x7d, 0x30, 0x10, 0xd9, 0xef, 0xf2, 0x37, 0x17, 0xb0, 0x86, 0x61, 0x0d, 0x70, 0x60, 0x62},
{0xc6, 0x9a, 0xfc, 0xf6, 0x53, 0x91, 0xc2, 0x81, 0x43, 0x04, 0x30, 0x21, 0xc2, 0x45, 0xca, 0x5a},
{0x3a, 0x94, 0xd1, 0x36, 0xe8, 0x92, 0xaf, 0x2c, 0xbb, 0x68, 0x6b, 0x22, 0x3c, 0x97, 0x23, 0x92},
{0xb4, 0x71, 0x10, 0xe5, 0x58, 0xb9, 0xba, 0x6c, 0xeb, 0x86, 0x58, 0x22, 0x38, 0x92, 0xbf, 0xd3},
{0x8d, 0x12, 0xe1, 0x24, 0xdd, 0xfd, 0x3d, 0x93, 0x77, 0xc6, 0xf0, 0xae, 0xe5, 0x3c, 0x86, 0xdb},
{0xb1, 0x12, 0x22, 0xcb, 0xe3, 0x8d, 0xe4, 0x83, 0x9c, 0xa0, 0xeb, 0xff, 0x68, 0x62, 0x60, 0xbb},
{0x7d, 0xf7, 0x2b, 0xc7, 0x4e, 0x1a, 0xb9, 0x2d, 0x9c, 0xd1, 0xe4, 0xe2, 0xdc, 0xd3, 0x4b, 0x73},
{0x4e, 0x92, 0xb3, 0x2c, 0xc4, 0x15, 0x14, 0x4b, 0x43, 0x1b, 0x30, 0x61, 0xc3, 0x47, 0xbb, 0x43},
{0x99, 0x68, 0xeb, 0x16, 0xdd, 0x31, 0xb2, 0x03, 0xf6, 0xef, 0x07, 0xe7, 0xa8, 0x75, 0xa7, 0xdb},
{0x2c, 0x47, 0xca, 0x7e, 0x02, 0x23, 0x5e, 0x8e, 0x77, 0x59, 0x75, 0x3c, 0x4b, 0x61, 0xf3, 0x6d},
{0xf9, 0x17, 0x86, 0xb8, 0xb9, 0xe5, 0x1b, 0x6d, 0x77, 0x7d, 0xde, 0xd6, 0x17, 0x5a, 0xa7, 0xcd},
{0x5d, 0xee, 0x46, 0xa9, 0x9d, 0x06, 0x6c, 0x9d, 0xaa, 0xe9, 0xa8, 0x6b, 0xf0, 0x43, 0x6b, 0xec},
{0xc1, 0x27, 0xf3, 0x3b, 0x59, 0x11, 0x53, 0xa2, 0x2b, 0x33, 0x57, 0xf9, 0x50, 0x69, 0x1e, 0xcb},
{0xd9, 0xd0, 0x0e, 0x60, 0x53, 0x03, 0xed, 0xe4, 0x9c, 0x61, 0xda, 0x00, 0x75, 0x0c, 0xee, 0x2c},
{0x50, 0xa3, 0xa4, 0x63, 0xbc, 0xba, 0xbb, 0x80, 0xab, 0x0c, 0xe9, 0x96, 0xa1, 0xa5, 0xb1, 0xf0},
{0x39, 0xca, 0x8d, 0x93, 0x30, 0xde, 0x0d, 0xab, 0x88, 0x29, 0x96, 0x5e, 0x02, 0xb1, 0x3d, 0xae},
{0x42, 0xb4, 0x75, 0x2e, 0xa8, 0xf3, 0x14, 0x88, 0x0b, 0xa4, 0x54, 0xd5, 0x38, 0x8f, 0xbb, 0x17},
{0xf6, 0x16, 0x0a, 0x36, 0x79, 0xb7, 0xb6, 0xae, 0xd7, 0x7f, 0x42, 0x5f, 0x5b, 0x8a, 0xbb, 0x34},
{0xde, 0xaf, 0xba, 0xff, 0x18, 0x59, 0xce, 0x43, 0x38, 0x54, 0xe5, 0xcb, 0x41, 0x52, 0xf6, 0x26},
{0x78, 0xc9, 0x9e, 0x83, 0xf7, 0x9c, 0xca, 0xa2, 0x6a, 0x02, 0xf3, 0xb9, 0x54, 0x9a, 0xe9, 0x4c},
{0x35, 0x12, 0x90, 0x22, 0x28, 0x6e, 0xc0, 0x40, 0xbe, 0xf7, 0xdf, 0x1b, 0x1a, 0xa5, 0x51, 0xae},
{0xcf, 0x59, 0xa6, 0x48, 0x0f, 0xbc, 0x73, 0xc1, 0x2b, 0xd2, 0x7e, 0xba, 0x3c, 0x61, 0xc1, 0xa0},
{0xa1, 0x9d, 0xc5, 0xe9, 0xfd, 0xbd, 0xd6, 0x4a, 0x88, 0x82, 0x28, 0x02, 0x03, 0xcc, 0x6a, 0x75}
};
static unsigned char rc[40][16];
static unsigned char rc_sseed[40][16];
static const unsigned char sbox[256] =
{ 0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, 0xfe,
0xd7, 0xab, 0x76, 0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, 0xad, 0xd4,
0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0, 0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7,
0xcc, 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15, 0x04, 0xc7, 0x23, 0xc3,
0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75, 0x09,
0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3,
0x2f, 0x84, 0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe,
0x39, 0x4a, 0x4c, 0x58, 0xcf, 0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85,
0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8, 0x51, 0xa3, 0x40, 0x8f, 0x92,
0x9d, 0x38, 0xf5, 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2, 0xcd, 0x0c,
0x13, 0xec, 0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19,
0x73, 0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee, 0xb8, 0x14,
0xde, 0x5e, 0x0b, 0xdb, 0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, 0xc2,
0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79, 0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5,
0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08, 0xba, 0x78, 0x25,
0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a,
0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, 0x61, 0x35, 0x57, 0xb9, 0x86,
0xc1, 0x1d, 0x9e, 0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e,
0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf, 0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42,
0x68, 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16 };
#define XT(x) (((x) << 1) ^ ((((x) >> 7) & 1) * 0x1b))
// Simulate _mm_aesenc_si128 instructions from AESNI
void aesenc(unsigned char *s, const unsigned char *rk)
{
unsigned char i, t, u, v[4][4];
for (i = 0; i < 16; ++i) {
v[((i / 4) + 4 - (i%4) ) % 4][i % 4] = sbox[s[i]];
}
for (i = 0; i < 4; ++i) {
t = v[i][0];
u = v[i][0] ^ v[i][1] ^ v[i][2] ^ v[i][3];
v[i][0] ^= u ^ XT(v[i][0] ^ v[i][1]);
v[i][1] ^= u ^ XT(v[i][1] ^ v[i][2]);
v[i][2] ^= u ^ XT(v[i][2] ^ v[i][3]);
v[i][3] ^= u ^ XT(v[i][3] ^ t);
}
for (i = 0; i < 16; ++i) {
s[i] = v[i / 4][i % 4] ^ rk[i];
}
}
// Simulate _mm_unpacklo_epi32
void unpacklo32(unsigned char *t, unsigned char *a, unsigned char *b)
{
unsigned char tmp[16];
memcpy(tmp, a, 4);
memcpy(tmp + 4, b, 4);
memcpy(tmp + 8, a + 4, 4);
memcpy(tmp + 12, b + 4, 4);
memcpy(t, tmp, 16);
}
// Simulate _mm_unpackhi_epi32
void unpackhi32(unsigned char *t, unsigned char *a, unsigned char *b)
{
unsigned char tmp[16];
memcpy(tmp, a + 8, 4);
memcpy(tmp + 4, b + 8, 4);
memcpy(tmp + 8, a + 12, 4);
memcpy(tmp + 12, b + 12, 4);
memcpy(t, tmp, 16);
}
void tweak_constants(const unsigned char *pk_seed, const unsigned char *sk_seed,
unsigned long long seed_length)
{
unsigned char buf[40*16];
/* Use the standard constants to generate tweaked ones. */
memcpy(rc, haraka_rc, 40*16);
/* Constants for sk.seed */
if (sk_seed != NULL) {
haraka_S(buf, 40*16, sk_seed, seed_length);
memcpy(rc_sseed, buf, 40*16);
}
/* Constants for pk.seed */
haraka_S(buf, 40*16, pk_seed, seed_length);
memcpy(rc, buf, 40*16);
}
static void haraka_S_absorb(unsigned char *s, unsigned int r,
const unsigned char *m, unsigned long long mlen,
unsigned char p)
{
unsigned long long i;
unsigned char t[r];
while (mlen >= r) {
// XOR block to state
for (i = 0; i < r; ++i) {
s[i] ^= m[i];
}
haraka512_perm(s, s);
mlen -= r;
m += r;
}
for (i = 0; i < r; ++i) {
t[i] = 0;
}
for (i = 0; i < mlen; ++i) {
t[i] = m[i];
}
t[i] = p;
t[r - 1] |= 128;
for (i = 0; i < r; ++i) {
s[i] ^= t[i];
}
}
static void haraka_S_squeezeblocks(unsigned char *h, unsigned long long nblocks,
unsigned char *s, unsigned int r)
{
while (nblocks > 0) {
haraka512_perm(s, s);
memcpy(h, s, HARAKAS_RATE);
h += r;
nblocks--;
}
}
void haraka_S(unsigned char *out, unsigned long long outlen,
const unsigned char *in, unsigned long long inlen)
{
unsigned long long i;
unsigned char s[64];
unsigned char d[32];
for (i = 0; i < 64; i++) {
s[i] = 0;
}
haraka_S_absorb(s, 32, in, inlen, 0x1F);
haraka_S_squeezeblocks(out, outlen / 32, s, 32);
out += (outlen / 32) * 32;
if (outlen % 32) {
haraka_S_squeezeblocks(d, 1, s, 32);
for (i = 0; i < outlen % 32; i++) {
out[i] = d[i];
}
}
}
void haraka512_perm(unsigned char *out, const unsigned char *in)
{
int i, j;
unsigned char s[64], tmp[16];
memcpy(s, in, 16);
memcpy(s + 16, in + 16, 16);
memcpy(s + 32, in + 32, 16);
memcpy(s + 48, in + 48, 16);
for (i = 0; i < 5; ++i) {
// aes round(s)
for (j = 0; j < 2; ++j) {
aesenc(s, rc[4*2*i + 4*j]);
aesenc(s + 16, rc[4*2*i + 4*j + 1]);
aesenc(s + 32, rc[4*2*i + 4*j + 2]);
aesenc(s + 48, rc[4*2*i + 4*j + 3]);
}
// mixing
unpacklo32(tmp, s, s + 16);
unpackhi32(s, s, s + 16);
unpacklo32(s + 16, s + 32, s + 48);
unpackhi32(s + 32, s + 32, s + 48);
unpacklo32(s + 48, s, s + 32);
unpackhi32(s, s, s + 32);
unpackhi32(s + 32, s + 16, tmp);
unpacklo32(s + 16, s + 16, tmp);
}
memcpy(out, s, 64);
}
void haraka512_port(unsigned char *out, const unsigned char *in)
{
int i;
unsigned char buf[64];
haraka512_perm(buf, in);
/* Feed-forward */
for (i = 0; i < 64; i++) {
buf[i] = buf[i] ^ in[i];
}
/* Truncated */
memcpy(out, buf + 8, 8);
memcpy(out + 8, buf + 24, 8);
memcpy(out + 16, buf + 32, 8);
memcpy(out + 24, buf + 48, 8);
}
void haraka256_port(unsigned char *out, const unsigned char *in)
{
int i, j;
unsigned char s[32], tmp[16];
memcpy(s, in, 16);
memcpy(s + 16, in + 16, 16);
for (i = 0; i < 5; ++i) {
// aes round(s)
for (j = 0; j < 2; ++j) {
aesenc(s, rc[2*2*i + 2*j]);
aesenc(s + 16, rc[2*2*i + 2*j + 1]);
}
// mixing
unpacklo32(tmp, s, s + 16);
unpackhi32(s + 16, s, s + 16);
memcpy(s, tmp, 16);
}
/* Feed-forward */
for (i = 0; i < 32; i++) {
out[i] = in[i] ^ s[i];
}
}
void haraka256_sk(unsigned char *out, const unsigned char *in)
{
int i, j;
unsigned char s[32], tmp[16];
memcpy(s, in, 16);
memcpy(s + 16, in + 16, 16);
for (i = 0; i < 5; ++i) {
// aes round(s)
for (j = 0; j < 2; ++j) {
aesenc(s, rc_sseed[2*2*i + 2*j]);
aesenc(s + 16, rc_sseed[2*2*i + 2*j + 1]);
}
// mixing
unpacklo32(tmp, s, s + 16);
unpackhi32(s + 16, s, s + 16);
memcpy(s, tmp, 16);
}
/* Feed-forward */
for (i = 0; i < 32; i++) {
out[i] = in[i] ^ s[i];
}
}

24
src/crypto/haraka_portable.h Normal file
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@@ -0,0 +1,24 @@
#ifndef SPX_HARAKA_H
#define SPX_HARAKA_H
/* Tweak constants with seed */
void tweak_constants(const unsigned char *pk_seed, const unsigned char *sk_seed,
unsigned long long seed_length);
/* Haraka Sponge */
void haraka_S(unsigned char *out, unsigned long long outlen,
const unsigned char *in, unsigned long long inlen);
/* Applies the 512-bit Haraka permutation to in. */
void haraka512_perm(unsigned char *out, const unsigned char *in);
/* Implementation of Haraka-512 */
void haraka512_port(unsigned char *out, const unsigned char *in);
/* Implementation of Haraka-256 */
void haraka256_port(unsigned char *out, const unsigned char *in);
/* Implementation of Haraka-256 using sk.seed constants */
void haraka256_sk(unsigned char *out, const unsigned char *in);
#endif

68
src/crypto/verus_hash.cpp
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@@ -73,8 +73,76 @@ CVerusHash &CVerusHash::Write(const unsigned char *data, size_t len)
return *this;
}
void CVerusHashPortable::Hash(void *result, const void *data, size_t len)
{
unsigned char buf[128];
unsigned char *bufPtr = buf;
int pos = 0, nextOffset = 64;
unsigned char *bufPtr2 = bufPtr + nextOffset;
unsigned char *ptr = (unsigned char *)data;
// put our last result or zero at beginning of buffer each time
memset(bufPtr, 0, 32);
// digest up to 32 bytes at a time
for ( ; pos < len; pos += 32)
{
if (len - pos >= 32)
{
memcpy(bufPtr + 32, ptr + pos, 32);
}
else
{
int i = (int)(len - pos);
memcpy(bufPtr + 32, ptr + pos, i);
memset(bufPtr + 32 + i, 0, 32 - i);
}
haraka512_port(bufPtr2, bufPtr);
bufPtr2 = bufPtr;
bufPtr += nextOffset;
nextOffset *= -1;
}
memcpy(result, bufPtr, 32);
};
CVerusHashPortable &CVerusHashPortable::Write(const unsigned char *data, size_t len)
{
unsigned char *tmp;
// digest up to 32 bytes at a time
for ( int pos = 0; pos < len; )
{
int room = 32 - curPos;
if (len - pos >= room)
{
memcpy(curBuf + 32 + curPos, data + pos, room);
haraka512_port(result, curBuf);
tmp = curBuf;
curBuf = result;
result = tmp;
pos += room;
curPos = 0;
}
else
{
memcpy(curBuf + 32 + curPos, data + pos, len - pos);
curPos += len - pos;
pos = len;
}
}
return *this;
}
// to be declared and accessed from C
void verus_hash(void *result, const void *data, size_t len)
{
return CVerusHashPortable::Hash(result, data, len);
}
// to be declared and accessed from C
void verus_hash_optimized(void *result, const void *data, size_t len)
{
return CVerusHash::Hash(result, data, len);
}

49
src/crypto/verus_hash.h
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@@ -11,9 +11,12 @@ This provides the PoW hash function for Verus, enabling CPU mining.
#include <cstring>
#include <vector>
#include <cpuid.h>
extern "C"
{
#include "crypto/haraka.h"
#include "crypto/haraka_portable.h"
}
class CVerusHash
@@ -51,6 +54,52 @@ class CVerusHash
size_t curPos = 0;
};
class CVerusHashPortable
{
public:
static void Hash(void *result, const void *data, size_t len);
CVerusHashPortable() {}
CVerusHashPortable &Write(const unsigned char *data, size_t len);
CVerusHashPortable &Reset()
{
curBuf = buf1;
result = buf2;
curPos = 0;
std::fill(buf1, buf1 + sizeof(buf1), 0);
}
void Finalize(unsigned char hash[32])
{
if (curPos)
{
std::fill(curBuf + 32 + curPos, curBuf + 64, 0);
haraka512_port(hash, curBuf);
}
else
std::memcpy(hash, curBuf, 32);
}
private:
// only buf1, the first source, needs to be zero initialized
unsigned char buf1[64] = {0}, buf2[64];
unsigned char *curBuf = buf1, *result = buf2;
size_t curPos = 0;
};
extern void verus_hash(void *result, const void *data, size_t len);
inline bool IsCPUVerusOptimized()
{
unsigned int eax,ebx,ecx,edx;
if (!__get_cpuid(1,&eax,&ebx,&ecx,&edx))
{
return false;
}
return ((ecx & (bit_AVX | bit_AES)) == (bit_AVX | bit_AES));
};
#endif

41
src/hash.h
View File

@@ -225,6 +225,38 @@ public:
}
};
/** A writer stream (for serialization) that computes a 256-bit Verus hash. */
class CVerusHashPortableWriter
{
private:
CVerusHashPortable state;
public:
int nType;
int nVersion;
CVerusHashPortableWriter(int nTypeIn, int nVersionIn) : nType(nTypeIn), nVersion(nVersionIn), state() {}
CVerusHashPortableWriter& write(const char *pch, size_t size) {
state.Write((const unsigned char*)pch, size);
return (*this);
}
// invalidates the object for further writing
uint256 GetHash() {
uint256 result;
state.Finalize((unsigned char*)&result);
return result;
}
template<typename T>
CVerusHashPortableWriter& operator<<(const T& obj) {
// Serialize to this stream
::Serialize(*this, obj, nType, nVersion);
return (*this);
}
};
/** An optimized and dangerous writer stream (for serialization) that computes a 256-bit Verus hash without the normal
* safety checks. Do not try to write more than 1488 bytes to this hash writer. */
class CVerusMiningHashWriter
@@ -292,6 +324,15 @@ uint256 SerializeVerusHash(const T& obj, int nType=SER_GETHASH, int nVersion=PRO
return ss.GetHash();
}
/** Compute the 256-bit Verus hash of an object's serialization. */
template<typename T>
uint256 SerializeVerusHashPortable(const T& obj, int nType=SER_GETHASH, int nVersion=PROTOCOL_VERSION)
{
CVerusHashPortableWriter ss(nType, nVersion);
ss << obj;
return ss.GetHash();
}
/** Compute the 256-bit Verus hash of an object's serialization. */
template<typename T>
uint256 SerializeVerusMiningHash(const T& obj, int nType=SER_GETHASH, int nVersion=PROTOCOL_VERSION)

11
src/init.cpp
View File

@@ -1103,7 +1103,16 @@ bool AppInit2(boost::thread_group& threadGroup, CScheduler& scheduler)
// set the hash algorithm to use for this chain
extern uint32_t ASSETCHAINS_ALGO, ASSETCHAINS_VERUSHASH;
if (ASSETCHAINS_ALGO == ASSETCHAINS_VERUSHASH)
CBlockHeader::SetVerusHash();
{
// if we must run portable, do so
if (IsCPUVerusOptimized())
{
CBlockHeader::SetVerusHash();
}
else{
CBlockHeader::SetVerusHashPortable();
}
}
// Sanity check
if (!InitSanityCheck())

7
src/miner.cpp
View File

@@ -111,7 +111,7 @@ extern int32_t ASSETCHAINS_SEED,IS_KOMODO_NOTARY,USE_EXTERNAL_PUBKEY,KOMODO_CHOS
extern uint64_t ASSETCHAINS_COMMISSION, ASSETCHAINS_STAKED;
extern uint64_t ASSETCHAINS_REWARD[ASSETCHAINS_MAX_ERAS], ASSETCHAINS_TIMELOCKGTE, ASSETCHAINS_NONCEMASK[];
extern const char *ASSETCHAINS_ALGORITHMS[];
extern int32_t VERUS_MIN_STAKEAGE, ASSETCHAINS_ALGO, ASSETCHAINS_EQUIHASH, ASSETCHAINS_LASTERA, ASSETCHAINS_LWMAPOS, ASSETCHAINS_NONCESHIFT[], ASSETCHAINS_HASHESPERROUND[];
extern int32_t VERUS_MIN_STAKEAGE, ASSETCHAINS_ALGO, ASSETCHAINS_EQUIHASH, ASSETCHAINS_VERUSHASH, ASSETCHAINS_LASTERA, ASSETCHAINS_LWMAPOS, ASSETCHAINS_NONCESHIFT[], ASSETCHAINS_HASHESPERROUND[];
extern char ASSETCHAINS_SYMBOL[KOMODO_ASSETCHAIN_MAXLEN];
extern std::string NOTARY_PUBKEY;
extern uint8_t NOTARY_PUBKEY33[33],ASSETCHAINS_OVERRIDE_PUBKEY33[33];
@@ -1747,6 +1747,11 @@ void static BitcoinMiner()
{
static boost::thread_group* minerThreads = NULL;
if (!IsCPUVerusOptimized() && ASSETCHAINS_ALGO == ASSETCHAINS_VERUSHASH)
{
nThreads = 0;
}
if (nThreads < 0)
nThreads = GetNumCores();

14
src/primitives/block.cpp
View File

@@ -27,6 +27,15 @@ uint256 CBlockHeader::GetVerusHash() const
return SerializeVerusHash(*this);
}
uint256 CBlockHeader::GetVerusHashPortable() const
{
if (hashPrevBlock.IsNull())
// always use SHA256D for genesis block
return SerializeHash(*this);
else
return SerializeVerusHashPortable(*this);
}
uint256 CBlockHeader::GetVerusMiningHash() const
{
// no check for genesis block and use the optimized hash
@@ -43,6 +52,11 @@ void CBlockHeader::SetVerusHash()
CBlockHeader::hashFunction = &CBlockHeader::GetVerusHash;
}
void CBlockHeader::SetVerusHashPortable()
{
CBlockHeader::hashFunction = &CBlockHeader::GetVerusHashPortable;
}
uint256 CBlock::BuildMerkleTree(bool* fMutated) const
{
/* WARNING! If you're reading this because you're learning about crypto

7
src/primitives/block.h
View File

@@ -84,6 +84,9 @@ public:
uint256 GetVerusHash() const;
static void SetVerusHash();
uint256 GetVerusHashPortable() const;
static void SetVerusHashPortable();
uint256 GetVerusMiningHash() const;
int64_t GetBlockTime() const
@@ -107,14 +110,14 @@ public:
{
arith_uint256 arNonce = UintToArith256(nNonce);
arith_uint256 tmpNonce = ((arNonce << 128) >> 128);
CVerusHashWriter hashWriter = CVerusHashWriter(SER_GETHASH, PROTOCOL_VERSION);
CVerusHashPortableWriter hashWriter = CVerusHashPortableWriter(SER_GETHASH, PROTOCOL_VERSION);
hashWriter << ArithToUint256(tmpNonce);
return (nNonce == ArithToUint256(UintToArith256(hashWriter.GetHash()) << 128 | tmpNonce));
}
void SetVerusPOSTarget(int32_t nBits)
{
CVerusHashWriter hashWriter = CVerusHashWriter(SER_GETHASH, PROTOCOL_VERSION);
CVerusHashPortableWriter hashWriter = CVerusHashPortableWriter(SER_GETHASH, PROTOCOL_VERSION);
uint256 hash;
arith_uint256 tmpNonce;