ghash is a keyed hash algorithm, thus setkey needs to be called.
Otherwise the following error occurs:
$ modprobe tcrypt mode=318 sec=1
testing speed of async ghash-generic (ghash-generic)
tcrypt: test 0 ( 16 byte blocks, 16 bytes per update, 1 updates):
tcrypt: hashing failed ret=-126
Cc: <stable@xxxxxxxxxxxxxxx> # 4.6+
Fixes: 0660511c0bee ("crypto: tcrypt - Use ahash")
Tested-by: Franck Lenormand <franck.lenormand@xxxxxxx>
Signed-off-by: Horia Geantă <horia.geanta@xxxxxxx>
---
crypto/tcrypt.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/crypto/tcrypt.c b/crypto/tcrypt.c
index bdde95e8d369..6e0a054bb61d 100644
--- a/crypto/tcrypt.c
+++ b/crypto/tcrypt.c
@@ -1103,6 +1103,9 @@ static void test_ahash_speed_common(const char *algo, unsigned int secs,
break;
}
+ if (speed[i].klen)
+ crypto_ahash_setkey(tfm, tvmem[0], speed[i].klen);
+
pr_info("test%3u "
"(%5u byte blocks,%5u bytes per update,%4u updates): ",
i, speed[i].blen, speed[i].plen, speed[i].blen / speed[i].plen);
--
2.16.2
