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dh-gex: Check return value of ssh_get_random()

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CID #1422162

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
(cherry picked from commit d2f0d3270a)
This commit is contained in:
Andreas Schneider
2020-04-02 07:25:53 +02:00
parent 1a18d9cce2
commit 34c596182d
1 changed files with 7 additions and 2 deletions
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9
src/dh-gex.c
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@@ -366,8 +366,13 @@ static bool dhgroup_better_size(uint32_t pmin,
*/ */
static bool invn_chance(int n) static bool invn_chance(int n)
{ {
uint32_t nounce; uint32_t nounce = 0;
ssh_get_random(&nounce, sizeof(nounce), 0); int ok;
ok = ssh_get_random(&nounce, sizeof(nounce), 0);
if (!ok) {
return false;
}
return (nounce % n) == 0; return (nounce % n) == 0;
} }