Fix memory leak in BN_rand_range()
The patch enables BN_rand_range() to exit immediately
if BIGNUM *rnd is NULL.
CLA: trivial
Fixes:
@@ -136,6 +136,11 @@ static int bnrand_range(BNRAND_FLAG flag, BIGNUM *r, const BIGNUM *range,
int n;
int count = 100;
+ if (r == NULL) {
+ ERR_raise(ERR_LIB_BN, ERR_R_PASSED_NULL_PARAMETER);
+ return 0;
+ }
+
if (range->neg || BN_is_zero(range)) {
ERR_raise(ERR_LIB_BN, BN_R_INVALID_RANGE);
return 0;
