Mercurial > dropbear

comparison libtommath/bn_mp_mulmod.c @ 608:4fbf9a7556ed

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Use mp_init_size() to avoid some mp_grow()s
author Matt Johnston <matt@ucc.asn.au>
date Fri, 18 Mar 2011 14:31:07 +0000
parents 5ff8218bcee9
children 60fc6476e044
comparison
equal deleted inserted replaced
607:aa2f51a6b81d 608:4fbf9a7556ed
19 int mp_mulmod (mp_int * a, mp_int * b, mp_int * c, mp_int * d) 19 int mp_mulmod (mp_int * a, mp_int * b, mp_int * c, mp_int * d)
20 { 20 {
21 int res; 21 int res;
22 mp_int t; 22 mp_int t;
23 23
24 if ((res = mp_init (&t)) != MP_OKAY) { 24 if ((res = mp_init_size (&t, c->used)) != MP_OKAY) {
25 return res; 25 return res;
26 } 26 }
27 27
28 if ((res = mp_mul (a, b, &t)) != MP_OKAY) { 28 if ((res = mp_mul (a, b, &t)) != MP_OKAY) {
29 mp_clear (&t); 29 mp_clear (&t);