lkml.org 
[lkml]   [2021]   [Jul]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: MTD: How to get actual image size from MTD partition
On Fri, Jul 16, 2021 at 12:12:41PM +0530, Pintu Agarwal wrote:
> Hi,
>
> Our ARM32 Linux embedded system consists of these:
> * Linux Kernel: 4.14
> * Processor: Qualcomm Arm32 Cortex-A7
> * Storage: NAND 512MB
> * Platform: Simple busybox
> * Filesystem: UBIFS, Squashfs
> * Consists of nand raw partitions, squashfs ubi volumes.
>
> My requirement:
> To find the checksum of a real image in runtime which is flashed in an
> MTD partition.

Try using the dm-verity module for ensuring that a block device really
is properly signed before mounting it. That's what it was designed for
and is independent of the block device type.

good luck!

greg k-h

\
 
 \ /
  Last update: 2021-07-16 17:42    [W:0.229 / U:0.708 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site