Mercurial > dropbear
view libtommath/bn_mp_to_signed_bin.c @ 1602:0f149d63068d
#error if no ecc size is chosen
author | Matt Johnston <matt@ucc.asn.au> |
---|---|
date | Thu, 08 Mar 2018 22:22:11 +0800 |
parents | 8bba51a55704 |
children | f52919ffd3b1 |
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#include <tommath_private.h> #ifdef BN_MP_TO_SIGNED_BIN_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, [email protected], http://libtom.org */ /* store in signed [big endian] format */ int mp_to_signed_bin (mp_int * a, unsigned char *b) { int res; if ((res = mp_to_unsigned_bin (a, b + 1)) != MP_OKAY) { return res; } b[0] = (a->sign == MP_ZPOS) ? (unsigned char)0 : (unsigned char)1; return MP_OKAY; } #endif /* ref: $Format:%D$ */ /* git commit: $Format:%H$ */ /* commit time: $Format:%ai$ */