Line data    Source code

       1             : #include <tommath.h>
       2             : #ifdef BN_MP_TO_SIGNED_BIN_C
       3             : /* LibTomMath, multiple-precision integer library -- Tom St Denis
       4             :  *
       5             :  * LibTomMath is a library that provides multiple-precision
       6             :  * integer arithmetic as well as number theoretic functionality.
       7             :  *
       8             :  * The library was designed directly after the MPI library by
       9             :  * Michael Fromberger but has been written from scratch with
      10             :  * additional optimizations in place.
      11             :  *
      12             :  * The library is free for all purposes without any express
      13             :  * guarantee it works.
      14             :  *
      15             :  * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
      16             :  */
      17             : 
      18             : /* store in signed [big endian] format */
      19           0 : int mp_to_signed_bin (mp_int * a, unsigned char *b)
      20             : {
      21             :   int     res;
      22             : 
      23           0 :   if ((res = mp_to_unsigned_bin (a, b + 1)) != MP_OKAY) {
      24           0 :     return res;
      25             :   }
      26           0 :   b[0] = (unsigned char) ((a->sign == MP_ZPOS) ? 0 : 1);
      27           0 :   return MP_OKAY;
      28             : }
      29             : #endif
      30             : 
      31             : /* $Source: /cvs/libtom/libtommath/bn_mp_to_signed_bin.c,v $ */
      32             : /* $Revision: 1.4 $ */
      33             : /* $Date: 2006/12/28 01:25:13 $ */