RFC - CVS Signed Commit & Replay Attacks

2005-10-06 Thread Derek Price
Hi all, I mentioned on this list a few days ago that I am implementing gpg-signed-commits for CVS. This is somewhat of a new area for me, and I was hoping to trust GPG to solve most of the security issues, but it turns out this doesn't cover the possibility of replay attacks. We've been discussi

Re: Extracting a single signature from a file containing multiple signatures

2005-09-21 Thread Derek Price
David Shaw wrote: >Yes, and yes. > >To separate signatures, use 'gpgsplit', which comes with gpg. You'll >end up with each signature in its own file. > >The documentation of the signature file format is in RFC-2440: >http://www.ietf.org/rfc/rfc2440.txt > > Thank you very much. That will be us

Extracting a single signature from a file containing multiple signatures

2005-09-21 Thread Derek Price
Say `gpg --detach-sign' were used to create several detached signatures and they were concatenated into the same file. Is there a simple way to separate those signatures again? Is there documentation of the gpg signature file format online? (I am looking into allowing CVS revisions to be signed