frost/secp256k1-zkp
3
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Fix VERIFY calculations in _fe_cmov methods

Browse Source
This commit is contained in:
Peter Dettman
2015-07-04 13:50:15 +09:30
parent 17f7148606
commit a0601cd79c
3 changed files with 22 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
src/field_10x26_impl.h
View File

@@ -1083,8 +1083,10 @@ static SECP256K1_INLINE void secp256k1_fe_cmov(secp256k1_fe_t *r, const secp256k
r->n[8] = (r->n[8] & mask0) | (a->n[8] & mask1);
r->n[9] = (r->n[9] & mask0) | (a->n[9] & mask1);
#ifdef VERIFY
r->magnitude = (r->magnitude & mask0) | (a->magnitude & mask1);
r->normalized = (r->normalized & mask0) | (a->normalized & mask1);
if (a->magnitude > r->magnitude) {
r->magnitude = a->magnitude;
}
r->normalized &= a->normalized;
#endif
}