diff options
Diffstat (limited to 'ecc-dup-th.c')
| -rw-r--r-- | ecc-dup-th.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/ecc-dup-th.c b/ecc-dup-th.c index dd95b84a..c1582cd2 100644 --- a/ecc-dup-th.c +++ b/ecc-dup-th.c @@ -82,14 +82,14 @@ ecc_dup_th (const struct ecc_curve *ecc, /* B */ ecc_mod_add (&ecc->p, F, p, p + ecc->p.size); - ecc_mod_sqr (&ecc->p, B, F); + ecc_mod_sqr (&ecc->p, B, F, B); /* C */ - ecc_mod_sqr (&ecc->p, C, p); + ecc_mod_sqr (&ecc->p, C, p, C); /* D */ - ecc_mod_sqr (&ecc->p, D, p + ecc->p.size); + ecc_mod_sqr (&ecc->p, D, p + ecc->p.size, D); /* Can use r as scratch, even for in-place operation. */ - ecc_mod_sqr (&ecc->p, r, p + 2*ecc->p.size); + ecc_mod_sqr (&ecc->p, r, p + 2*ecc->p.size, r); /* F, */ ecc_mod_sub (&ecc->p, F, D, C); /* B - C - D */ @@ -100,10 +100,10 @@ ecc_dup_th (const struct ecc_curve *ecc, ecc_mod_sub (&ecc->p, J, r, F); /* x' */ - ecc_mod_mul (&ecc->p, r, B, J); + ecc_mod_mul (&ecc->p, r, B, J, r); /* y' */ - ecc_mod_mul (&ecc->p, r + ecc->p.size, F, C); + ecc_mod_mul (&ecc->p, r + ecc->p.size, F, C, r + ecc->p.size); /* z' */ - ecc_mod_mul (&ecc->p, B, F, J); + ecc_mod_mul (&ecc->p, B, F, J, B); mpn_copyi (r + 2*ecc->p.size, B, ecc->p.size); } |