From b7bd594c8cae9acdfda63d583aadec0a18e514f8 Mon Sep 17 00:00:00 2001 From: Werner Koch Date: Mon, 6 Oct 2003 12:09:46 +0000 Subject: [PATCH] * primegen.c (gen_prime): Bail out if NBITS is zero. This is Debian bug #213989 reported by Max . --- cipher/ChangeLog | 5 +++++ cipher/primegen.c | 5 ++++- 2 files changed, 9 insertions(+), 1 deletion(-) diff --git a/cipher/ChangeLog b/cipher/ChangeLog index a0d24a373..c0d312066 100644 --- a/cipher/ChangeLog +++ b/cipher/ChangeLog @@ -1,3 +1,8 @@ +2003-10-06 Werner Koch + + * primegen.c (gen_prime): Bail out if NBITS is zero. This is + Debian bug #213989 reported by Max . + 2003-09-04 David Shaw * md.c (string_to_digest_algo): Enable read-write SHA-256 support. diff --git a/cipher/primegen.c b/cipher/primegen.c index 1f3095751..f7e97108a 100644 --- a/cipher/primegen.c +++ b/cipher/primegen.c @@ -292,7 +292,7 @@ generate_elg_prime( int mode, unsigned pbits, unsigned qbits, static MPI -gen_prime( unsigned nbits, int secret, int randomlevel ) +gen_prime( unsigned int nbits, int secret, int randomlevel ) { unsigned nlimbs; MPI prime, ptest, pminus1, val_2, val_3, result; @@ -304,6 +304,9 @@ gen_prime( unsigned nbits, int secret, int randomlevel ) if( 0 && DBG_CIPHER ) log_debug("generate a prime of %u bits ", nbits ); + if (!nbits) + log_fatal ("trying to generate a prime of zero bits\n"); + if( !no_of_small_prime_numbers ) { for(i=0; small_prime_numbers[i]; i++ ) no_of_small_prime_numbers++;