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Date:   Tue, 21 Jun 2022 13:16:56 +0200
From:   Greg KH <gregkh@linuxfoundation.org>
To:     Fabian Stelzer <fs@gigacodes.de>,
        Alejandro Colomar <alx.manpages@gmail.com>,
        Git Mailing List <git@vger.kernel.org>
Cc:     Konstantin Ryabitsev <konstantin@linuxfoundation.org>
Subject: Re: send PGP signed commits/patches with git-send-email(1)
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References: <81caab7d-777e-13fe-89ea-820b7b2f0314@gmail.com>
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On Fri, Jun 17, 2022 at 08:12:12AM -0400, Konstantin Ryabitsev wrote:
> On Fri, Jun 17, 2022 at 02:00:16PM +0200, Fabian Stelzer wrote:
> > Konstantin Ryabitsev has done some work in this area especially for kernel
> > development by using email headers:
> > https://people.kernel.org/monsieuricon/end-to-end-patch-attestation-with-patatt-and-b4
> > https://github.com/mricon/patatt
> 
> Greg refers specifically to patatt signatures. They aren't really specific to
> kernel development at all -- they can be used for any patches sent via mail.
> 
> b4 (the tool used by many maintainers to retrieve patches from lists) will
> check patatt-style signatures (in addition to DKIM signatures) to help verify
> that the patches come from trusted sources and aren't someone pretending to be
> someone else.

Yes, I was referring to patatt here, as linked by Konstantin's blog post
above.  It's part of the b4 tool (well, a git subproject in it), real
link is at:
	https://git.kernel.org/pub/scm/utils/patatt/patatt.git

thanks,

greg k-h