On Sat, May 26, 2012 at 11:30:01AM -0700, Gé Weijers wrote:
> On Fri, May 25, 2012 at 10:59 AM, Ron Wilson <ronw.m...@gmail.com> wrote:
> > On top of that, could support signing one or more of the existing
> > signatures at the time of signing.
> 
> When I sign a commit, it can mean multiple things:
> 1) I wrote this (authentication)
> 2) I approve this (authorization)
> 
> In case 1, we have a one-to-one and immutable correspondence between
> signature and commit artifact. This signature is the one used to pin
> the blame on someone if you find a backdoor in the code :-(
> 
> In case 2, there can be multiple signatures, some after the fact.
> These could be used to keep track of code reviews and/or manager
> approvals.
> 
> Now If I'm signing your type 2 signature, what does that actually
> mean? "I approve of you approving this"? Signing type 1 signatures is
> just the 'authorization' type signature.

Well, you can always have different signers and multiple signatures. One for
authentication, one for authorisation.
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