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Re: [PATCH v2] scripts/sign-file.c: Add support for signing with a raw signature

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  Re: [PATCH v2] scripts/sign-file.c: Add support for signing with a raw signature David Howells <dhowells@redhat.com> - 2016-02-18 18:30 +0100

#1337557 — Re: [PATCH v2] scripts/sign-file.c: Add support for signing with a raw signature

Juerg Haefliger <juerg.haefliger@hpe.com> wrote:

> This patch adds support for signing a kernel module with a raw
> detached PKCS#7 signature/message.
> 
> The signature is not converted and is simply appended to the module so
> it needs to be in the right format. Using openssl, a valid signature can
> be generated like this:
>   $ openssl smime -sign -nocerts -noattr -binary -in <module> -inkey \
>     <key> -signer <x509> -outform der -out <raw sig>
> 
> The resulting raw signature from the above command is (more or less)
> identical to the raw signature that sign-file itself can produce like
> this:
>   $ scripts/sign-file -d <hash algo> <key> <x509> <module>
> 
> Signed-off-by: Juerg Haefliger <juerg.haefliger@hpe.com>

Applied.

David

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