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Re: [PATCH 0/4] LivePatch signing support


  • To: Marek Marczykowski-Górecki <marmarek@xxxxxxxxxxxxxxxxxxxxxx>, Ross Lagerwall <ross.lagerwall@xxxxxxxxxx>
  • From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
  • Date: Tue, 6 May 2025 18:17:04 +0100
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  • Cc: Xen-devel <xen-devel@xxxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, Julien Grall <julien@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>
  • Delivery-date: Tue, 06 May 2025 17:17:20 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

On 06/05/2025 6:15 pm, Marek Marczykowski-Górecki wrote:
> On Tue, May 06, 2025 at 03:32:12PM +0100, Ross Lagerwall wrote:
>> Live patch signing support was mentioned as future work in the design
>> document several years ago. This series finally implements support for
>> it since it is a requirement of Secure Boot to prevent loading unsigned
>> code into Xen.
>>
>> Note that this series depends on another patch that has not yet been
>> merged:
>> xen/lib: Export additional sha256 functions
>> https://lists.xenproject.org/archives/html/xen-devel/2025-05/msg00222.html
>>
>> Jennifer Herbert (1):
>>   livepatch: Verify livepatch signatures
>>
>> Kevin Lampis (1):
>>   livepatch: Embed public key in Xen
>>
>> Ross Lagerwall (2):
>>   docs: Introduce live patch signing
>>   crypto: Add RSA support
> Patches 1 and 4 seems to be lost...

Yes, we're working on that.  (Corporate email fun)

~Andrew



 


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