status-im
/
secp256k1
mirror of https://github.com/status-im/secp256k1.git
2
0
Fork 0
Code Issues Projects Releases Wiki Activity

Merge pull request #3 from CodeShark/no_short_circuit_eval 

Removed short-circuit evaluation potential.
This commit is contained in:
CodeShark 2013-03-20 21:05:52 -07:00
parent bf12fcc060 d41220b301
commit bbc0684cbb
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
field.cpp
View File

@ -64,7 +64,7 @@ void FieldElem::Normalize() {
n[0] = t0; n[1] = t1; n[2] = t2; n[3] = t3; n[4] = t4;
// Subtract p if result >= p
uint64_t mask = (uint64_t)~(-(int64_t)(n[4] == 0xFFFFFFFFFFFFULL && n[3] == 0xFFFFFFFFFFFFFULL && n[2] == 0xFFFFFFFFFFFFFULL && n[1] == 0xFFFFFFFFFFFFFULL && n[0] >= 0xFFFFEFFFFFC2FULL));
uint64_t mask = -(int64_t)((n[4] < 0xFFFFFFFFFFFFULL) | (n[3] < 0xFFFFFFFFFFFFFULL) | (n[2] < 0xFFFFFFFFFFFFFULL) | (n[1] < 0xFFFFFFFFFFFFFULL) | (n[0] < 0xFFFFEFFFFFC2FULL));
n[4] &= mask;
n[3] &= mask;
n[2] &= mask;