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overloaded get_wild_keccack2

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This commit is contained in:
crypro.zoidberg 2019-03-15 19:58:18 +01:00
parent 5cbe1bafad
commit a330901840
2 changed files with 23 additions and 19 deletions
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4
src/common/db_abstract_accessor.h
View file

@ -15,8 +15,8 @@
#include "cache_helper.h"
#include "profile_tools.h"
#include "../serialization/serialization.h"
#include "epee/include/readwrite_lock.h"
#include "epee/include/math_helper.h"
#include "readwrite_lock.h"
#include "math_helper.h"
#undef LOG_DEFAULT_CHANNEL
#define LOG_DEFAULT_CHANNEL "db"

38
src/crypto/wild_keccak.h
View file

@ -93,36 +93,40 @@ namespace crypto
};
//------------------------------------------------------------------
inline
bool get_wild_keccak2(const std::string& bd, crypto::hash& res, const std::vector<crypto::hash>& scratchpad, uint64_t sz)
bool get_wild_keccak2(const std::string& bd, crypto::hash& res, const std::vector<crypto::hash>& scratchpad, uint64_t sz)
{
const uint64_t* int_array_ptr = (const uint64_t*)&scratchpad[0];
size_t int64_sz = sz * 4;
}
//------------------------------------------------------------------
inline
bool get_wild_keccak2(const std::string& bd, crypto::hash& res, const uint64_t*& int_array_ptr_scratch, uint64_t int64_sz)
{
uint64_t count_access = 0;
crypto::wild_keccak2_dbl<crypto::regular_f>(reinterpret_cast<const uint8_t*>(bd.data()), bd.size(), reinterpret_cast<uint8_t*>(&res), sizeof(res), [&](crypto::state_t_m& st)
{
++count_access;
if (!sz)
if (!int64_sz)
{
return;
}
const uint64_t* int_array_ptr = (const uint64_t*)&scratchpad[0];
size_t int64_sz = sz * 4;
for (size_t i = 0; i != sizeof(st) / sizeof(st[0]); i++)
for (size_t i = 0; i != sizeof(st) / sizeof(st[0]); i++)
{
size_t depend_index = 0;
if (i == 0)
{
size_t depend_index = 0;
if (i == 0)
{
depend_index = sizeof(st) / sizeof(st[0]) - 1;
}
else
{
depend_index = i - 1;
}
st[i] ^= int_array_ptr[ int_array_ptr[ int_array_ptr[st[depend_index] % int64_sz] % int64_sz] % int64_sz];
depend_index = sizeof(st) / sizeof(st[0]) - 1;
}
else
{
depend_index = i - 1;
}
st[i] ^= int_array_ptr_scratch[int_array_ptr_scratch[int_array_ptr_scratch[st[depend_index] % int64_sz] % int64_sz] % int64_sz];
}
});
return true;
}