blob: c2e36ae3cce4d8ce289327c70f9773c70dbafe52 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
|
#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, tomstdenis@gmail.com, 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] = (unsigned char)((a->sign == MP_ZPOS) ? 0 : 1);
return MP_OKAY;
}
#endif
/* $Source: /cvs/libtom/libtommath/bn_mp_to_signed_bin.c,v $ */
/* $Revision: 1.4 $ */
/* $Date: 2006/12/28 01:25:13 $ */
|
