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comparison bn_mp_to_unsigned_bin_n.c @ 190:d8254fc979e9 libtommath-orig LTM_0.35

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Initial import of libtommath 0.35
author Matt Johnston <matt@ucc.asn.au>
date Fri, 06 May 2005 08:59:30 +0000
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children 97db060d0ef5
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142:d29b64170cf0 190:d8254fc979e9
1 #include <tommath.h>
2 #ifdef BN_MP_TO_UNSIGNED_BIN_N_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, [email protected], http://math.libtomcrypt.org
16 */
17
18 /* store in unsigned [big endian] format */
19 int mp_to_unsigned_bin_n (mp_int * a, unsigned char *b, unsigned long *outlen)
20 {
21 if (*outlen < (unsigned long)mp_unsigned_bin_size(a)) {
22 return MP_VAL;
23 }
24 *outlen = mp_unsigned_bin_size(a);
25 return mp_to_unsigned_bin(a, b);
26 }
27 #endif