Commit 6f997dc3 authored by Ismo Puustinen's avatar Ismo Puustinen Committed by Rich Salz
Browse files

GH367: use random data if seed too short. 



Signed-off-by: default avatarRich Salz <rsalz@openssl.org>
Reviewed-by: default avatarEmilia Käsper <emilia@openssl.org>
parent 21b538d6

crypto/dsa/dsa_gen.c

+1 −1
Original line number Diff line number Diff line
@@ -203,7 +203,7 @@ int dsa_builtin_paramgen(DSA *ret, size_t bits, size_t qbits, 
            if (!BN_GENCB_call(cb, 0, m++))

                goto err;



            if (!seed_len) {

            if (!seed_len || !seed_in) {

                if (RAND_pseudo_bytes(seed, qsize) < 0)

                    goto err;

                seed_is_random = 1;

doc/crypto/DSA_generate_parameters.pod

+1 −1
Original line number Diff line number Diff line
@@ -29,7 +29,7 @@ maximum of 1024 bits. 
If B<seed> is B<NULL> or B<seed_len> E<lt> 20, the primes will be

generated at random. Otherwise, the seed is used to generate

them. If the given seed does not yield a prime q, a new random

seed is chosen and placed at B<seed>.

seed is chosen.



DSA_generate_parameters_ex() places the iteration count in

*B<counter_ret> and a counter used for finding a generator in