kc3-lang/libtommath/bn_mp_to_signed_bin.c

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• Hash : ff561404
  Author :
  Date : 2019-04-07T15:29:11
  

  shorter headers

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• bn_mp_to_signed_bin.c

• #include "tommath_private.h"
  #ifdef BN_MP_TO_SIGNED_BIN_C
  /* LibTomMath, multiple-precision integer library -- Tom St Denis */
  /* SPDX-License-Identifier: Unlicense */
  
  /* store in signed [big endian] format */
  int mp_to_signed_bin(const 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
  

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