diff options
Diffstat (limited to 'libtommath/bn_mp_mulmod.c')
| -rw-r--r-- | libtommath/bn_mp_mulmod.c | 34 |
1 files changed, 18 insertions, 16 deletions
diff --git a/libtommath/bn_mp_mulmod.c b/libtommath/bn_mp_mulmod.c index 649b717..ca9ef3e 100644 --- a/libtommath/bn_mp_mulmod.c +++ b/libtommath/bn_mp_mulmod.c @@ -1,4 +1,4 @@ -#include <tommath.h> +#include "tommath_private.h" #ifdef BN_MP_MULMOD_C /* LibTomMath, multiple-precision integer library -- Tom St Denis * @@ -11,26 +11,28 @@ * * The library is free for all purposes without any express * guarantee it works. - * - * Tom St Denis, tomstdenis@gmail.com, http://math.libtomcrypt.com */ /* d = a * b (mod c) */ -int mp_mulmod (mp_int * a, mp_int * b, mp_int * c, mp_int * d) +int mp_mulmod(const mp_int *a, const mp_int *b, const mp_int *c, mp_int *d) { - int res; - mp_int t; + int res; + mp_int t; - if ((res = mp_init (&t)) != MP_OKAY) { - return res; - } + if ((res = mp_init_size(&t, c->used)) != MP_OKAY) { + return res; + } - if ((res = mp_mul (a, b, &t)) != MP_OKAY) { - mp_clear (&t); - return res; - } - res = mp_mod (&t, c, d); - mp_clear (&t); - return res; + if ((res = mp_mul(a, b, &t)) != MP_OKAY) { + mp_clear(&t); + return res; + } + res = mp_mod(&t, c, d); + mp_clear(&t); + return res; } #endif + +/* ref: $Format:%D$ */ +/* git commit: $Format:%H$ */ +/* commit time: $Format:%ai$ */ |