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Diffstat (limited to 'libtommath/bn_mp_zero.c')
| -rw-r--r-- | libtommath/bn_mp_zero.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/libtommath/bn_mp_zero.c b/libtommath/bn_mp_zero.c new file mode 100644 index 0000000..d697a60 --- /dev/null +++ b/libtommath/bn_mp_zero.c @@ -0,0 +1,32 @@ +#include <tommath.h> +#ifdef BN_MP_ZERO_C +/* LibTomMath, multiple-precision integer library -- Tom St Denis + * + * LibTomMath is a library that provides multiple-precision + * integer arithmetic as well as number theoretic functionality. + * + * The library was designed directly after the MPI library by + * Michael Fromberger but has been written from scratch with + * additional optimizations in place. + * + * The library is free for all purposes without any express + * guarantee it works. + * + * Tom St Denis, tomstdenis@gmail.com, http://math.libtomcrypt.com + */ + +/* set to zero */ +void mp_zero (mp_int * a) +{ + int n; + mp_digit *tmp; + + a->sign = MP_ZPOS; + a->used = 0; + + tmp = a->dp; + for (n = 0; n < a->alloc; n++) { + *tmp++ = 0; + } +} +#endif |