diff options
Diffstat (limited to 'fips/rand/fips_drbg_lib.c')
| -rw-r--r-- | fips/rand/fips_drbg_lib.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/fips/rand/fips_drbg_lib.c b/fips/rand/fips_drbg_lib.c index 46e42e2947..7892a02b60 100644 --- a/fips/rand/fips_drbg_lib.c +++ b/fips/rand/fips_drbg_lib.c @@ -153,7 +153,10 @@ static size_t fips_get_entropy(DRBG_CTX *dctx, unsigned char **pout, return 0; } } - return rv - bl; + rv -= bl; + if (rv > max_len) + return max_len; + return rv; } static void fips_cleanup_entropy(DRBG_CTX *dctx, |