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
