Re: Git-commits mailing list feed.

From: Paul Jakma <paul@clubi.ie>
To: "David A. Wheeler" <dwheeler@dwheeler.com>
Cc: Linus Torvalds <torvalds@osdl.org>, Sean <seanlkml@sympatico.ca>,
	Thomas Glanzmann <sithglan@stud.uni-erlangen.de>,
	David Woodhouse <dwmw2@infradead.org>,
	Jan Dittmer <jdittmer@ppp0.net>, Greg KH <greg@kroah.com>,
	Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Git Mailing List <git@vger.kernel.org>
Subject: Re: Git-commits mailing list feed.
Date: Mon, 25 Apr 2005 04:47:07 +0100 (IST)	[thread overview]
Message-ID: <Pine.LNX.4.62.0504250443380.14200@sheen.jakma.org> (raw)
In-Reply-To: <Pine.LNX.4.62.0504250435050.14200@sheen.jakma.org>

[-- Attachment #1: Type: TEXT/PLAIN, Size: 978 bytes --]

On Mon, 25 Apr 2005, Paul Jakma wrote:

> Uh, I have no idea whether verifying a signature of a commit object is 
> sufficient, ie equivalent to signing each file.
>
> commit refers to tree objects, which I presume lists the SHA-1 object IDs of 
> files, but IIRC Linus already described why a signature of the commit object 
> should not be used to trust the rest of commit.. (i'll have to find his 
> mail). If so, an index is required.

Ah, apparently it is sufficient:

Linus:

“Just signing the commit is indeed sufficient to just say "I trust 
this commit". But I essentially what to also say what I trust it 
_for_ as well.”

So this would work for commit objects.

It would also work for tag objects, if you pointed people at the signature
object rather than the actual tag object.

regards,
-- 
Paul Jakma	paul@clubi.ie	paul@jakma.org	Key ID: 64A2FF6A
Fortune:
Humor in the Court:
Q.  Were you aquainted with the deceased?
A.  Yes, sir.
Q.  Before or after he died?