[dm-crypt] LUKS error

marcin kowalski yoshi314 at gmail.com
Thu Sep 15 15:16:24 CEST 2011

your kernel might be missing encryption modules, or the SD card might be too

check your kernel configuration for crypto modules, and give info on size of
the file you were creating on the card.

2011/9/15 Neelima Krishnan <neelima.krishnan at yahoo.com>

> Hello,
> I have been trying to create a encrypted file on the sd card - and pur it
> in loopback with a normal file.
> I have been following the steps in
> http://ltrconsulting.com/howto/android/encrypteduserprofile/
> But, when i create the sp profile I get the following error:
> Are you sure? (Type uppercase yes): YES
> Enter LUKS passphrase:
> Verify passphrase:
> Command failed: Failed to setup dm-crypt key mapping.
> Check kernel for support for the aes-plain cipher spec and verify that
> /dev/block/loop0 contains at least 133 sectors
> What am I missing here? I am doing this on android OS.
> Thank you
> Neelima
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