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Workaround egd rand source deficiencies 

With egd as the rand source the reseed after fork confuses the egd.

Fixes #19396

Reviewed-by: Paul Dale <pauli@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/19454)

(cherry picked from commit 0b3fec5022)
This commit is contained in:
Tomas Mraz 2022-10-20 16:14:29 +02:00
parent fb03e61459
commit 04d07ffbed
1 changed files with 2 additions and 2 deletions
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4
test/drbgtest.c
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@ -277,7 +277,7 @@ static int test_drbg_reseed(int expect_success,
}
#if defined(OPENSSL_SYS_UNIX)
#if defined(OPENSSL_SYS_UNIX) && !defined(OPENSSL_RAND_SEED_EGD)
/* number of children to fork */
#define DRBG_FORK_COUNT 9
/* two results per child, two for the parent */
@ -895,7 +895,7 @@ err:
int setup_tests(void)
{
ADD_TEST(test_rand_reseed);
#if defined(OPENSSL_SYS_UNIX)
#if defined(OPENSSL_SYS_UNIX) && !defined(OPENSSL_RAND_SEED_EGD)
ADD_ALL_TESTS(test_rand_fork_safety, RANDOM_SIZE);
#endif
ADD_TEST(test_rand_prediction_resistance);