Mercurial > dropbear
view libtommath/bn_mp_to_signed_bin.c @ 486:d59f628e7baa
propagate from branch 'au.asn.ucc.matt.dropbear.dbclient-netcat-alike' (head b02ba6628cf2095017c60d202ac630f231e6b553)
to branch 'au.asn.ucc.matt.dropbear' (head 636506b73e973b004cc058b07e6f36a25ff902f8)
author | Matt Johnston <matt@ucc.asn.au> |
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date | Wed, 17 Sep 2008 14:49:12 +0000 |
parents | 5ff8218bcee9 |
children | 60fc6476e044 |
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#include <tommath.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://math.libtomcrypt.com */ /* 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] = (unsigned char) ((a->sign == MP_ZPOS) ? 0 : 1); return MP_OKAY; } #endif /* $Source: /cvs/libtom/libtommath/bn_mp_to_signed_bin.c,v $ */ /* $Revision: 1.3 $ */ /* $Date: 2006/03/31 14:18:44 $ */