Line data Source code
1 : #include "tommath_private.h"
2 : #ifdef BN_S_MP_REVERSE_C
3 : /* LibTomMath, multiple-precision integer library -- Tom St Denis */
4 : /* SPDX-License-Identifier: Unlicense */
5 :
6 : /* reverse an array, used for radix code */
7 0 : void s_mp_reverse(unsigned char *s, size_t len)
8 : {
9 : size_t ix, iy;
10 : unsigned char t;
11 :
12 0 : ix = 0u;
13 0 : iy = len - 1u;
14 0 : while (ix < iy) {
15 0 : t = s[ix];
16 0 : s[ix] = s[iy];
17 0 : s[iy] = t;
18 0 : ++ix;
19 0 : --iy;
20 : }
21 0 : }
22 : #endif
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