[OE-core] [PATCH] image_types: use compress framework to produce checksums for images

[Alexander Kanevskiy]

On Thu, Mar 24, 2016 at 10:32 PM, Andre McCurdy <armccurdy at gmail.com> wrote:

> On Thu, Mar 24, 2016 at 1:16 PM, Alexander D. Kanevskiy <kad at kad.name>
> wrote:
> > Existing compress framework for producing various compressed versions
> > of images is powerfull enough to be extended for other uses, e.g. to
> > convert types of images.
> >
> > It is possible to use it also to produce image checksums at the time
> > of image generation. This commit adds support for all supported
> > at the moment coreutils hashing algorithms: md5, sha1, sha224,
> > sha256, sha384 and sha512
> >
> > Usage:
> > IMAGE_FSTYPES_append = " hddimg.sha256sum"
>
> I guess a common requirement is for hashes of the compressed images,
> not only the uncompressed image.


you can easily chain them.
" hddimg.sha256sum hddimg.xz hddimg.xz.sha256sum"


-- 
br, Alexander Kanevskiy
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