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double GOST 34.11 for block hash

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This commit is contained in:
orignal 2017-03-23 15:22:28 -04:00
parent 3753bb3410
commit 9528b4e972
2 changed files with 6 additions and 9 deletions
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8
src/hash.h
View File

@ -7,6 +7,7 @@
#include "uint256.h"
#include "serialize.h"
#include "Gost.h"
#include <openssl/sha.h>
#include <openssl/ripemd.h>
@ -15,11 +16,12 @@
template<typename T1>
inline uint256 Hash(const T1 pbegin, const T1 pend)
{
// GOST 34.11-256 (GOST 34.11-512 (...))
static unsigned char pblank[1];
uint256 hash1;
SHA256((pbegin == pend ? pblank : (unsigned char*)&pbegin[0]), (pend - pbegin) * sizeof(pbegin[0]), (unsigned char*)&hash1);
uint8_t hash1[64];
i2p::crypto::GOSTR3411_2012_512 ((pbegin == pend ? pblank : (unsigned char*)&pbegin[0]), (pend - pbegin) * sizeof(pbegin[0]), hash1);
uint256 hash2;
SHA256((unsigned char*)&hash1, sizeof(hash1), (unsigned char*)&hash2);
i2p::crypto::GOSTR3411_2012_256 ((unsigned char*)&hash1, 61, hash2.begin ());
return hash2;
}

7
src/main.h
View File

@ -1362,12 +1362,7 @@ public:
uint256 GetPoWHash() const
{
// GOST 34.11-256 (GOST 34.11-512 (header))
uint8_t digest[64];
i2p::crypto::GOSTR3411_2012_512 ((const uint8_t *)&nVersion, 80, digest);
uint256 thash;
i2p::crypto::GOSTR3411_2012_256 (digest, 64, thash.begin ());
return thash;
return GetHash ();
}
CBlockHeader GetBlockHeader() const