Mercurial > dropbear
diff libtommath/bn_mp_prime_random_ex.c @ 1437:871b18fd7065 fuzz
merge from main (libtommath/libtomcrypt/curve25510-donna updates)
author | Matt Johnston <matt@ucc.asn.au> |
---|---|
date | Sat, 24 Jun 2017 22:51:45 +0800 |
parents | 60fc6476e044 |
children | 8bba51a55704 |
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--- a/libtommath/bn_mp_prime_random_ex.c Sat Jun 24 10:34:58 2017 +0800 +++ b/libtommath/bn_mp_prime_random_ex.c Sat Jun 24 22:51:45 2017 +0800 @@ -1,4 +1,4 @@ -#include <tommath.h> +#include <tommath_private.h> #ifdef BN_MP_PRIME_RANDOM_EX_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, [email protected], http://math.libtomcrypt.com + * Tom St Denis, [email protected], http://libtom.org */ /* makes a truly random prime of a given size (bits), @@ -21,7 +21,6 @@ * * LTM_PRIME_BBS - make prime congruent to 3 mod 4 * LTM_PRIME_SAFE - make sure (p-1)/2 is prime as well (implies LTM_PRIME_BBS) - * LTM_PRIME_2MSB_OFF - make the 2nd highest bit zero * LTM_PRIME_2MSB_ON - make the 2nd highest bit one * * You have to supply a callback which fills in a buffer with random bytes. "dat" is a parameter you can @@ -37,12 +36,12 @@ int res, err, bsize, maskOR_msb_offset; /* sanity check the input */ - if (size <= 1 || t <= 0) { + if ((size <= 1) || (t <= 0)) { return MP_VAL; } /* LTM_PRIME_SAFE implies LTM_PRIME_BBS */ - if (flags & LTM_PRIME_SAFE) { + if ((flags & LTM_PRIME_SAFE) != 0) { flags |= LTM_PRIME_BBS; } @@ -61,13 +60,13 @@ /* calc the maskOR_msb */ maskOR_msb = 0; maskOR_msb_offset = ((size & 7) == 1) ? 1 : 0; - if (flags & LTM_PRIME_2MSB_ON) { + if ((flags & LTM_PRIME_2MSB_ON) != 0) { maskOR_msb |= 0x80 >> ((9 - size) & 7); } /* get the maskOR_lsb */ maskOR_lsb = 1; - if (flags & LTM_PRIME_BBS) { + if ((flags & LTM_PRIME_BBS) != 0) { maskOR_lsb |= 3; } @@ -95,7 +94,7 @@ continue; } - if (flags & LTM_PRIME_SAFE) { + if ((flags & LTM_PRIME_SAFE) != 0) { /* see if (a-1)/2 is prime */ if ((err = mp_sub_d(a, 1, a)) != MP_OKAY) { goto error; } if ((err = mp_div_2(a, a)) != MP_OKAY) { goto error; } @@ -105,7 +104,7 @@ } } while (res == MP_NO); - if (flags & LTM_PRIME_SAFE) { + if ((flags & LTM_PRIME_SAFE) != 0) { /* restore a to the original value */ if ((err = mp_mul_2(a, a)) != MP_OKAY) { goto error; } if ((err = mp_add_d(a, 1, a)) != MP_OKAY) { goto error; } @@ -120,6 +119,6 @@ #endif -/* $Source: /cvs/libtom/libtommath/bn_mp_prime_random_ex.c,v $ */ -/* $Revision: 1.4 $ */ -/* $Date: 2006/03/31 14:18:44 $ */ +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */