tommath/bn_mp_to_signed_bin.c

34 lines
958 B
C
Raw Normal View History

#include <tommath_private.h>
2004-10-29 18:07:18 -04:00
#ifdef BN_MP_TO_SIGNED_BIN_C
2003-02-28 11:08:34 -05:00
/* LibTomMath, multiple-precision integer library -- Tom St Denis
*
2003-08-04 21:24:44 -04:00
* LibTomMath is a library that provides multiple-precision
2003-02-28 11:08:34 -05:00
* integer arithmetic as well as number theoretic functionality.
*
2003-08-04 21:24:44 -04:00
* The library was designed directly after the MPI library by
2003-02-28 11:08:34 -05:00
* 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, tstdenis82@gmail.com, http://libtom.org
2003-02-28 11:08:34 -05:00
*/
/* store in signed [big endian] format */
2017-09-20 10:59:43 -04:00
int mp_to_signed_bin(const mp_int *a, unsigned char *b)
2003-02-28 11:08:34 -05:00
{
2017-08-30 13:15:27 -04:00
int res;
2003-02-28 11:08:34 -05:00
2017-08-30 13:15:27 -04:00
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;
2003-02-28 11:08:34 -05:00
}
2004-10-29 18:07:18 -04:00
#endif
2005-08-01 12:37:28 -04:00
2017-08-28 10:27:26 -04:00
/* ref: $Format:%D$ */
/* git commit: $Format:%H$ */
/* commit time: $Format:%ai$ */