diff options
| author | Mark Johnston <markj@FreeBSD.org> | 2022-07-01 15:04:15 +0000 |
|---|---|---|
| committer | Mark Johnston <markj@FreeBSD.org> | 2022-07-01 15:04:15 +0000 |
| commit | 8179db52c2c8692cdabf818bf1b7fdf3ad43b2db (patch) | |
| tree | ce09c8181bf912a60f6fc82f98e67da1fe719846 /sys/opencrypto | |
| parent | b72f1f4516896ad6da0ea74d146a56045de171f7 (diff) | |
crypto: Fix the NULL_HMAC finalizer
The current implementation leaves the digest buffer partially
uninitialized.
Reported by: syzkaller
Reviewed by: jhb
MFC after: 1 week
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D35547
Diffstat (limited to 'sys/opencrypto')
| -rw-r--r-- | sys/opencrypto/xform_null.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/sys/opencrypto/xform_null.c b/sys/opencrypto/xform_null.c index e070a4a97142..160e1d867792 100644 --- a/sys/opencrypto/xform_null.c +++ b/sys/opencrypto/xform_null.c @@ -135,6 +135,5 @@ null_update(void *ctx, const void *buf, u_int len) static void null_final(uint8_t *buf, void *ctx) { - if (buf != (uint8_t *) 0) - bzero(buf, 12); + bzero(buf, NULL_HASH_LEN); } |