[dm-crypt] Dm-Verity on UBI/UBIFS

Milan Broz gmazyland at gmail.com
Thu Oct 26 10:13:47 CEST 2017


On 10/25/2017 10:36 PM, Marco Cavallini wrote:
> Il 25/10/2017 16:21, Islam, Akm Moinul ha scritto:
>> Dear maintainers of dm-verity,
>>
>> We want to protect our read only UBIFS file system (running on top of 
>> UBI volumes in a MTD partition on NAND flash) with dm-verity.
>>
>> Do you know if dm-verity works on UBIFS/UBI/MTD partition (NAND) 
>> combination or not? Any pointer in this direction will be highly 
>> appreciated.
>>
>> Thanks & kind regards,
>>
>> Moinul
>>
> 
> 
> Hi Moinul,
> AFAIK unfortunately dm-crypt and all the project using it can't work 
> with MTD/NAND devices.
> You have to use eCryptFS or better fscrypt.

If you are using MTD device as a block device (not directly) I do not see
reason why dm-verity cannot be used.

m.


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