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| author | jan.nijtmans <nijtmans@users.sourceforge.net> | 2016-11-16 15:22:26 (GMT) |
|---|---|---|
| committer | jan.nijtmans <nijtmans@users.sourceforge.net> | 2016-11-16 15:22:26 (GMT) |
| commit | 68111aa5bf7fc228dcfda8beb9de265734925b56 (patch) | |
| tree | fed7fb157cbaef79f43a45b27379a0fd2d64e6ea /libtommath/bn_mp_montgomery_setup.c | |
| parent | 29606e4a7b43adb9f923fb5781d3b9a93d9ba1c8 (diff) | |
| parent | 2adcff3e5ba6e09366ef4208ab81768803ba15bd (diff) | |
| download | tcl-68111aa5bf7fc228dcfda8beb9de265734925b56.zip tcl-68111aa5bf7fc228dcfda8beb9de265734925b56.tar.gz tcl-68111aa5bf7fc228dcfda8beb9de265734925b56.tar.bz2 | |
(experimental) Upgrade to libtommath 1.0 (actually by merging all changes between libtommath 0.42.0 and 1.0). Still to be tested thourougly, before doing anything with it.
Diffstat (limited to 'libtommath/bn_mp_montgomery_setup.c')
| -rw-r--r-- | libtommath/bn_mp_montgomery_setup.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/libtommath/bn_mp_montgomery_setup.c b/libtommath/bn_mp_montgomery_setup.c index b8e1887..264a2bd 100644 --- a/libtommath/bn_mp_montgomery_setup.c +++ b/libtommath/bn_mp_montgomery_setup.c @@ -1,4 +1,4 @@ -#include <tommath.h> +#include <tommath_private.h> #ifdef BN_MP_MONTGOMERY_SETUP_C /* LibTomMath, multiple-precision integer library -- Tom St Denis * @@ -12,7 +12,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://math.libtomcrypt.com + * Tom St Denis, tstdenis82@gmail.com, http://libtom.org */ /* setups the montgomery reduction stuff */ @@ -36,20 +36,24 @@ mp_montgomery_setup (mp_int * n, mp_digit * rho) } x = (((b + 2) & 4) << 1) + b; /* here x*a==1 mod 2**4 */ - x *= 2 - b * x; /* here x*a==1 mod 2**8 */ + x *= 2 - (b * x); /* here x*a==1 mod 2**8 */ #if !defined(MP_8BIT) - x *= 2 - b * x; /* here x*a==1 mod 2**16 */ + x *= 2 - (b * x); /* here x*a==1 mod 2**16 */ #endif #if defined(MP_64BIT) || !(defined(MP_8BIT) || defined(MP_16BIT)) - x *= 2 - b * x; /* here x*a==1 mod 2**32 */ + x *= 2 - (b * x); /* here x*a==1 mod 2**32 */ #endif #ifdef MP_64BIT - x *= 2 - b * x; /* here x*a==1 mod 2**64 */ + x *= 2 - (b * x); /* here x*a==1 mod 2**64 */ #endif /* rho = -1/m mod b */ - *rho = (unsigned long)(((mp_word)1 << ((mp_word) DIGIT_BIT)) - x) & MP_MASK; + *rho = (mp_digit)(((mp_word)1 << ((mp_word) DIGIT_BIT)) - x) & MP_MASK; return MP_OKAY; } #endif + +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ |