cerc-io/solidity
16
0
Fork 0
mirror of https://github.com/ethereum/solidity synced 2023-10-03 13:03:40 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Limit of scope of variables in SHA3

Browse Source
This commit is contained in:
Alex Beregszaszi 2017-08-30 22:44:38 +01:00
parent 1c0c5d923a
commit 6cec0789b5
1 changed files with 2 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
libdevcore/SHA3.cpp
View File

@ -97,10 +97,9 @@ static const uint64_t RC[24] = \
static inline void keccakf(void* state) {
uint64_t* a = (uint64_t*)state;
uint64_t b[5] = {0};
uint64_t t = 0;
uint8_t x, y;
for (int i = 0; i < 24; i++) {
uint8_t x, y;
// Theta
FOR5(x, 1,
b[x] = 0;
@ -110,7 +109,7 @@ static inline void keccakf(void* state) {
FOR5(y, 5,
a[y + x] ^= b[(x + 4) % 5] ^ rol(b[(x + 1) % 5], 1); ))
// Rho and pi
t = a[1];
uint64_t t = a[1];
x = 0;
REPEAT24(b[0] = a[pi[x]];
a[pi[x]] = rol(t, rho[x]);