Re: [PATCH v2 1/2] tpm: Compare HMAC values in constant time

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Subject: Re: [PATCH v2 1/2] tpm: Compare HMAC values in constant time
From: Eric Biggers <ebiggers@xxxxxxxxxx>
Date: Tue, 5 Aug 2025 09:07:40 -0700
Cc: Peter Huewe <peterhuewe@xxxxxx>, linux-integrity@xxxxxxxxxxxxxxx, Jason Gunthorpe <jgg@xxxxxxxx>, James Bottomley <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx>, linux-crypto@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
In-reply-to: <aJIMGWFDZejNwAVP@kernel.org>
References: <20250801212422.9590-1-ebiggers@kernel.org> <20250801212422.9590-2-ebiggers@kernel.org> <aJIMGWFDZejNwAVP@kernel.org>

On Tue, Aug 05, 2025 at 04:50:17PM +0300, Jarkko Sakkinen wrote:
> 
> I think we might want to also backport this to stables.
> 

That's what I did originally, but on v1 James complained about it being
characterized as a fix.

- Eric

Follow-Ups:
- Re: [PATCH v2 1/2] tpm: Compare HMAC values in constant time
  - From: Jarkko Sakkinen

References:
- [PATCH v2 0/2] tpm: Clean up HMAC validation and computation
  - From: Eric Biggers
- [PATCH v2 1/2] tpm: Compare HMAC values in constant time
  - From: Eric Biggers
- Re: [PATCH v2 1/2] tpm: Compare HMAC values in constant time
  - From: Jarkko Sakkinen

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