Messages in this thread | | | Date | Fri, 20 Sep 2019 13:37:07 -0400 | From | Mike Snitzer <> | Subject | Re: dm-crypt error when CONFIG_CRYPTO_AUTHENC is disabled |
| |
On Fri, Sep 20 2019 at 11:44am -0400, Thibaut Sautereau <thibaut.sautereau@clip-os.org> wrote:
> Hi, > > I just got a dm-crypt "crypt: Error allocating crypto tfm" error when > trying to "cryptsetup open" a volume. I found out that it was only > happening when I disabled CONFIG_CRYPTO_AUTHENC. > > drivers/md/dm-crypt.c includes the crypto/authenc.h header and seems to > use some CRYPTO_AUTHENC-related stuff. Therefore, shouldn't > CONFIG_DM_CRYPT select CONFIG_CRYPTO_AUTHENC?
Yes, it looks like commit ef43aa38063a6 ("dm crypt: add cryptographic data integrity protection (authenticated encryption)") should've added 'select CRYPTO_AUTHENC' to dm-crypt's Kconfig. I'll let Milan weigh-in but that seems like the right way forward.
Thanks for your report! Mike
| |