diff options
Diffstat (limited to 'libtommath/bn_mp_invmod_slow.c')
| -rw-r--r-- | libtommath/bn_mp_invmod_slow.c | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/libtommath/bn_mp_invmod_slow.c b/libtommath/bn_mp_invmod_slow.c index e079819..a21f947 100644 --- a/libtommath/bn_mp_invmod_slow.c +++ b/libtommath/bn_mp_invmod_slow.c @@ -1,4 +1,4 @@ -#include <tommath.h> +#include <tommath_private.h> #ifdef BN_MP_INVMOD_SLOW_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 */ /* hac 14.61, pp608 */ @@ -22,7 +22,7 @@ int mp_invmod_slow (mp_int * a, mp_int * b, mp_int * c) int res; /* b cannot be negative */ - if (b->sign == MP_NEG || mp_iszero(b) == 1) { + if ((b->sign == MP_NEG) || (mp_iszero(b) == MP_YES)) { return MP_VAL; } @@ -41,7 +41,7 @@ int mp_invmod_slow (mp_int * a, mp_int * b, mp_int * c) } /* 2. [modified] if x,y are both even then return an error! */ - if (mp_iseven (&x) == 1 && mp_iseven (&y) == 1) { + if ((mp_iseven (&x) == MP_YES) && (mp_iseven (&y) == MP_YES)) { res = MP_VAL; goto LBL_ERR; } @@ -58,13 +58,13 @@ int mp_invmod_slow (mp_int * a, mp_int * b, mp_int * c) top: /* 4. while u is even do */ - while (mp_iseven (&u) == 1) { + while (mp_iseven (&u) == MP_YES) { /* 4.1 u = u/2 */ if ((res = mp_div_2 (&u, &u)) != MP_OKAY) { goto LBL_ERR; } /* 4.2 if A or B is odd then */ - if (mp_isodd (&A) == 1 || mp_isodd (&B) == 1) { + if ((mp_isodd (&A) == MP_YES) || (mp_isodd (&B) == MP_YES)) { /* A = (A+y)/2, B = (B-x)/2 */ if ((res = mp_add (&A, &y, &A)) != MP_OKAY) { goto LBL_ERR; @@ -83,13 +83,13 @@ top: } /* 5. while v is even do */ - while (mp_iseven (&v) == 1) { + while (mp_iseven (&v) == MP_YES) { /* 5.1 v = v/2 */ if ((res = mp_div_2 (&v, &v)) != MP_OKAY) { goto LBL_ERR; } /* 5.2 if C or D is odd then */ - if (mp_isodd (&C) == 1 || mp_isodd (&D) == 1) { + if ((mp_isodd (&C) == MP_YES) || (mp_isodd (&D) == MP_YES)) { /* C = (C+y)/2, D = (D-x)/2 */ if ((res = mp_add (&C, &y, &C)) != MP_OKAY) { goto LBL_ERR; @@ -137,7 +137,7 @@ top: } /* if not zero goto step 4 */ - if (mp_iszero (&u) == 0) + if (mp_iszero (&u) == MP_NO) goto top; /* now a = C, b = D, gcd == g*v */ @@ -169,3 +169,7 @@ LBL_ERR:mp_clear_multi (&x, &y, &u, &v, &A, &B, &C, &D, NULL); return res; } #endif + +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ |