diff options
Diffstat (limited to 'source4/heimdal/lib/hcrypto/libtommath/bn_reverse.c')
| -rw-r--r-- | source4/heimdal/lib/hcrypto/libtommath/bn_reverse.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/source4/heimdal/lib/hcrypto/libtommath/bn_reverse.c b/source4/heimdal/lib/hcrypto/libtommath/bn_reverse.c new file mode 100644 index 0000000000..ddfa827a09 --- /dev/null +++ b/source4/heimdal/lib/hcrypto/libtommath/bn_reverse.c @@ -0,0 +1,39 @@ +#include <tommath.h> +#ifdef BN_REVERSE_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 + */ + +/* reverse an array, used for radix code */ +void +bn_reverse (unsigned char *s, int len) +{ + int ix, iy; + unsigned char t; + + ix = 0; + iy = len - 1; + while (ix < iy) { + t = s[ix]; + s[ix] = s[iy]; + s[iy] = t; + ++ix; + --iy; + } +} +#endif + +/* $Source: /cvs/libtom/libtommath/bn_reverse.c,v $ */ +/* $Revision: 1.4 $ */ +/* $Date: 2006/12/28 01:25:13 $ */ |