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Diffstat (limited to 'libtomcrypt/src/misc/mpi/rand_prime.c')
-rw-r--r-- | libtomcrypt/src/misc/mpi/rand_prime.c | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/libtomcrypt/src/misc/mpi/rand_prime.c b/libtomcrypt/src/misc/mpi/rand_prime.c deleted file mode 100644 index 9c5921a..0000000 --- a/libtomcrypt/src/misc/mpi/rand_prime.c +++ /dev/null @@ -1,70 +0,0 @@ -/* LibTomCrypt, modular cryptographic library -- Tom St Denis - * - * LibTomCrypt is a library that provides various cryptographic - * algorithms in a highly modular and flexible manner. - * - * The library is free for all purposes without any express - * guarantee it works. - * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.org - */ -#include "tomcrypt.h" - -/** - @file rand_prime.c - Generate a random prime, Tom St Denis -*/ -#ifdef MPI - -struct rng_data { - prng_state *prng; - int wprng; -}; - -static int rand_prime_helper(unsigned char *dst, int len, void *dat) -{ - return (int)prng_descriptor[((struct rng_data *)dat)->wprng].read(dst, len, ((struct rng_data *)dat)->prng); -} - -int rand_prime(mp_int *N, long len, prng_state *prng, int wprng) -{ - struct rng_data rng; - int type, err; - - LTC_ARGCHK(N != NULL); - - /* allow sizes between 2 and 256 bytes for a prime size */ - if (len < 16 || len > 4096) { - return CRYPT_INVALID_PRIME_SIZE; - } - - /* valid PRNG? Better be! */ - if ((err = prng_is_valid(wprng)) != CRYPT_OK) { - return err; - } - - /* setup our callback data, then world domination! */ - rng.prng = prng; - rng.wprng = wprng; - - /* get type */ - if (len < 0) { - type = LTM_PRIME_BBS; - len = -len; - } else { - type = 0; - } - type |= LTM_PRIME_2MSB_ON; - - /* New prime generation makes the code even more cryptoish-insane. Do you know what this means!!! - -- Gir: Yeah, oh wait, er, no. - */ - return mpi_to_ltc_error(mp_prime_random_ex(N, mp_prime_rabin_miller_trials(len), len, type, rand_prime_helper, &rng)); -} - -#endif - - -/* $Source: /cvs/libtom/libtomcrypt/src/misc/mpi/rand_prime.c,v $ */ -/* $Revision: 1.3 $ */ -/* $Date: 2005/05/05 14:35:59 $ */ |