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Re: [PATCH 1/4] KEYS: Insert incompressible bytes to reserve space in bzImage

From David Howells <dhowells@redhat.com>
Newsgroups linux.kernel
Subject Re: [PATCH 1/4] KEYS: Insert incompressible bytes to reserve space in bzImage
Date 2016-11-25 10:10 +0100
Message-ID <sHkG5-75A-7@gated-at.bofh.it> (permalink)
References <sGaIO-2hj-5@gated-at.bofh.it> <sGaIN-2hj-3@gated-at.bofh.it> <sGaIO-2hj-5@gated-at.bofh.it>
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Mehmet Kayaalp <mkayaalp@linux.vnet.ibm.com> wrote:

> Include a random filled binary in vmlinux at the space reserved with
> CONFIG_SYSTEM_EXTRA_CERTIFICATE. This results in an uncompressed reserved
> area inside the bzImage as well, so that it can be replaced with an actual
> certificate later (after the bzImage is distributed).

You haven't said *why* you need an incompressible buffer.  I presume it's
something to do with the decompression wrapper.

David

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Thread

[PATCH 1/4] KEYS: Insert incompressible bytes to reserve space in bzImage Mehmet Kayaalp <mkayaalp@linux.vnet.ibm.com> - 2016-11-22 05:20 +0100
  Re: [PATCH 1/4] KEYS: Insert incompressible bytes to reserve space in bzImage David Howells <dhowells@redhat.com> - 2016-11-25 10:10 +0100
    Re: [PATCH 1/4] KEYS: Insert incompressible bytes to reserve space in  bzImage Mehmet Kayaalp <mkayaalp@linux.vnet.ibm.com> - 2016-11-25 20:50 +0100

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