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Scratchpad size increased to 1 MiB

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New AES-based scratchpad hashing function
This commit is contained in:
tevador
2019-01-18 23:51:18 +01:00
parent 93c324709b
commit 16db607025
12 changed files with 923 additions and 925 deletions
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src/VirtualMachine.cpp
+4 -4
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@@ -19,7 +19,7 @@ along with RandomX. If not, see<http://www.gnu.org/licenses/>.
#include "VirtualMachine.hpp"
#include "common.hpp"
#include "t1ha/t1ha.h"
#include "hashAes1Rx4.hpp"
#include "blake2/blake2.h"
#include <cstring>
#include <iomanip>
@@ -40,10 +40,10 @@ namespace RandomX {
}
void VirtualMachine::getResult(void* out) {
constexpr size_t smallStateLength = sizeof(RegisterFile) / sizeof(uint64_t) + 2;
uint64_t smallState[smallStateLength];
constexpr size_t smallStateLength = sizeof(RegisterFile) / sizeof(uint64_t) + 8;
alignas(16) uint64_t smallState[smallStateLength];
memcpy(smallState, &reg, sizeof(RegisterFile));
smallState[smallStateLength - 1] = t1ha2_atonce128(&smallState[smallStateLength - 2], scratchpad, ScratchpadSize, reg.r[0].u64);
hashAes1Rx4<false>(scratchpad, ScratchpadSize, smallState + 24);
blake2b(out, ResultSize, smallState, sizeof(smallState), nullptr, 0);
}
}