Re: Local-signing without (offline) private master key

2016-09-21 Thread Werner Koch
On Thu, 15 Sep 2016 09:17, an...@colomb.de said: > Did I miss some option here, or are any such additions planned? If you use the key and gpg detects a conflict, it shows you a lot of info. For a per key output you need to run gpg --with-tofu-info --with-colons --trust-mode=tofu+pgp -k USER

Re: Local-signing without (offline) private master key

2016-09-15 Thread André Colomb
Damien Goutte-Gattat wrote on 2016-09-12 14:16 (UTC+0200) > If you're already using GnuPG >= 2.1.10 (with support for the TOFU > model), I would argue this is your best option. This sounds reasonable. I'm on Ubuntu 16.04, GnuPG 2.1.11, so the TOFU stuff seems to work fine. It seems hard to disco

Re: Local-signing without (offline) private master key

2016-09-12 Thread Nathan Musoke
> Now I want to import someone else's key to verify a signature. In order > to verify that signature, I need to at least locally sign the owner's > key, AFAIK. However, I would need my offline master key (read: really > inconvenient) to issue a signature. I'm no expert, but as far as I know you do

Re: Local-signing without (offline) private master key

2016-09-12 Thread Kristian Fiskerstrand
On 09/12/2016 01:08 PM, Nathan Musoke wrote: >> Now I want to import someone else's key to verify a signature. In order >> to verify that signature, I need to at least locally sign the owner's >> key, AFAIK. However, I would need my offline master key (read: really >> inconvenient) to issue a signa

Re: Local-signing without (offline) private master key

2016-09-12 Thread Damien Goutte-Gattat
On 09/12/2016 11:04 AM, André Colomb wrote: Maybe the upcoming TOFU trust model would help my usage pattern? I think so. Marking the binding between your correspondent's key and its email address with a "good" TOFU policy (something that does not require your private primary key) would be equ

Re: Local-signing without (offline) private master key

2016-09-12 Thread Antony Prince
On September 12, 2016 6:58:08 AM EDT, Kristian Fiskerstrand wrote: > >I'd suggest creating another primary key for explicit local >certification purposes you never use anywhere else, and can rotate that >as often as wanted to start fresh from time to time. That's what I do. I have a separate key

Re: Local-signing without (offline) private master key

2016-09-12 Thread Kristian Fiskerstrand
On 09/12/2016 11:04 AM, André Colomb wrote: > What is the recommended practice if I only want to verify message > integrity, but don't have the master key with Certify ability available? I'd suggest creating another primary key for explicit local certification purposes you never use anywhere else,

Local-signing without (offline) private master key

2016-09-12 Thread André Colomb
Hi all, this is my first post to GnuPG-users, please be gentle :-) My OpenPGP setup currently includes an offline master key (see attached public key) with three subkeys on a Yubikey USB "smartcard". Amongst them is a signing subkey with "usage: S" flag, but only the master key has the Certify ca