On 12 September 2018 at 15:20, Horia Geantă <horia.geanta@xxxxxxx> wrote:
> 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>
Acked-by: Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx>
> ---
> 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
>
