#include #ifdef BN_MP_INIT_SIZE_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 */ /* init an mp_init for a given size */ int mp_init_size (mp_int * a, int size) { int x; /* pad size so there are always extra digits */ size += (MP_PREC * 2) - (size % MP_PREC); /* alloc mem */ a->dp = OPT_CAST(mp_digit) XMALLOC (sizeof (mp_digit) * size); if (a->dp == NULL) { return MP_MEM; } /* set the members */ a->used = 0; a->alloc = size; a->sign = MP_ZPOS; /* zero the digits */ for (x = 0; x < size; x++) { a->dp[x] = 0; } return MP_OKAY; } #endif /* $Source: /root/tcl/repos-to-convert/tcl/libtommath/bn_mp_init_size.c,v $ */ /* $Revision: 1.1.1.3 $ */ /* $Date: 2006/12/01 00:08:11 $ */