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-rw-r--r--src/dh-gex.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/src/dh-gex.c b/src/dh-gex.c
index 6c75c69e..9bf0546a 100644
--- a/src/dh-gex.c
+++ b/src/dh-gex.c
@@ -366,8 +366,13 @@ static bool dhgroup_better_size(uint32_t pmin,
*/
static bool invn_chance(int n)
{
- uint32_t nounce;
- ssh_get_random(&nounce, sizeof(nounce), 0);
+ uint32_t nounce = 0;
+ int ok;
+
+ ok = ssh_get_random(&nounce, sizeof(nounce), 0);
+ if (!ok) {
+ return false;
+ }
return (nounce % n) == 0;
}