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Cryptonight variant 4 aka CryptonightR

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It introduces random integer math into the main loop.
This commit is contained in:
SChernykh 2019-02-04 17:49:19 +01:00
parent 31bdf7bd11
commit f51397b306
9 changed files with 543 additions and 23 deletions
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29
tests/hash/main.cpp
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@ -44,6 +44,13 @@ using namespace std;
using namespace crypto;
typedef crypto::hash chash;
struct V4_Data
{
const void* data;
size_t length;
uint64_t height;
};
PUSH_WARNINGS
DISABLE_VS_WARNINGS(4297)
extern "C" {
@ -54,13 +61,17 @@ extern "C" {
tree_hash((const char (*)[crypto::HASH_SIZE]) data, length >> 5, hash);
}
static void cn_slow_hash_0(const void *data, size_t length, char *hash) {
return cn_slow_hash(data, length, hash, 0/*variant*/, 0/*prehashed*/);
return cn_slow_hash(data, length, hash, 0/*variant*/, 0/*prehashed*/, 0/*height*/);
}
static void cn_slow_hash_1(const void *data, size_t length, char *hash) {
return cn_slow_hash(data, length, hash, 1/*variant*/, 0/*prehashed*/);
return cn_slow_hash(data, length, hash, 1/*variant*/, 0/*prehashed*/, 0/*height*/);
}
static void cn_slow_hash_2(const void *data, size_t length, char *hash) {
return cn_slow_hash(data, length, hash, 2/*variant*/, 0/*prehashed*/);
return cn_slow_hash(data, length, hash, 2/*variant*/, 0/*prehashed*/, 0/*height*/);
}
static void cn_slow_hash_4(const void *data, size_t, char *hash) {
const V4_Data* p = reinterpret_cast<const V4_Data*>(data);
return cn_slow_hash(p->data, p->length, hash, 4/*variant*/, 0/*prehashed*/, p->height);
}
}
POP_WARNINGS
@ -72,7 +83,7 @@ struct hash_func {
} hashes[] = {{"fast", cn_fast_hash}, {"slow", cn_slow_hash_0}, {"tree", hash_tree},
{"extra-blake", hash_extra_blake}, {"extra-groestl", hash_extra_groestl},
{"extra-jh", hash_extra_jh}, {"extra-skein", hash_extra_skein},
{"slow-1", cn_slow_hash_1}, {"slow-2", cn_slow_hash_2}};
{"slow-1", cn_slow_hash_1}, {"slow-2", cn_slow_hash_2}, {"slow-4", cn_slow_hash_4}};
int test_variant2_int_sqrt();
int test_variant2_int_sqrt_ref();
@ -140,7 +151,15 @@ int main(int argc, char *argv[]) {
input.exceptions(ios_base::badbit | ios_base::failbit | ios_base::eofbit);
input.clear(input.rdstate());
get(input, data);
f(data.data(), data.size(), (char *) &actual);
if (f == cn_slow_hash_4) {
V4_Data d;
d.data = data.data();
d.length = data.size();
get(input, d.height);
f(&d, 0, (char *) &actual);
} else {
f(data.data(), data.size(), (char *) &actual);
}
if (expected != actual) {
size_t i;
cerr << "Hash mismatch on test " << test << endl << "Input: ";