Re: crypto configuration / dependencies broken

From: Randy Dunlap
Date: Thu Aug 27 2009 - 12:53:26 EST

On Tue, 25 Aug 2009 19:58:52 -0400 Celejar wrote:

> I'm having a pretty bizarre problem with my kernel crypto
> configuration. I need support for a bog standard LUKS (aes /
> cbc-essiv:sha256) / cryptsetup installation, but even after I enable
> virtually everything in the crypto section of the kernel configs, cbc
> fails to load. All the relevant modules are exist (dm-mod, dm-crypt,
> crypto_blkcipher, crypto_algapi, crypto_hash, aes_generic,
> sha256_generic), but even after modprobing / insmoding
> everything, /proc/crypto shows that aes and sha is there, but not cbc.
> The problem has been reproduced (using my kernel config) by Jonas
> Meurer, the Debian cryptsetup maintainer, so it's not just me ;).
> We've tried numerous different kernel versions in the .30 / .31 range.
> Does this mean that something else somewhere in the kernel needs to be
> configured but isn't, and the necessary dependency isn't properly
> declared?
> My config is at:
> [I'm not subscribed to lkml; please cc me on responses]

You could try/test a patch that was just posted:

LPC 2009, Sept. 23-25, Portland, Oregon
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