Re: using an OpenPGP card with Java (keytool and jarsigner)

2014-01-17 Thread Werner Koch
On Fri, 17 Jan 2014 02:24, se...@literati.org said: Scute works great with Firefox, but keep in mind it requires gpg-agent (or Sure. That is the whole point of the exercise. at least scdaemon). AFAIK it's not intended to work with anything other than Firefox right now. I've been meaning to

Reusing signed user ID or attribute

2014-01-17 Thread Daniele Ricci
Hello list, I'm manipulating PGP keys with Bouncy Castle, especially signatures of user IDs and user attributes. But my question is not about development, it's about signatures. My question is the following: suppose I create a user ID or attribute. I sign it with my key and that's ok. One day I

Re: Reusing signed user ID or attribute

2014-01-17 Thread Hauke Laging
Am Fr 17.01.2014, 11:44:55 schrieb Daniele Ricci: My question is the following: suppose I create a user ID or attribute. I sign it with my key and that's ok. One day I revoke that user ID or attribute and sign it again with a certification revocation. A few years later, I want to restore

Re: using an OpenPGP card with Java (keytool and jarsigner)

2014-01-17 Thread Hans-Christoph Steiner
On 01/17/2014 03:05 AM, Werner Koch wrote: On Fri, 17 Jan 2014 02:24, se...@literati.org said: Scute works great with Firefox, but keep in mind it requires gpg-agent (or Sure. That is the whole point of the exercise. at least scdaemon). AFAIK it's not intended to work with anything

Re: Reusing signed user ID or attribute

2014-01-17 Thread Johannes Zarl
On Friday 17 January 2014 13:28:50 Hauke Laging wrote: IIRC then GnuPG accepts a later self-signature (overriding the revocation). IMHO that makes most sense. As long as the mainkey isn't revoked or expired why shouldn't one change one's mind? Wouldn't that have huge implications for the

Re: Reusing signed user ID or attribute

2014-01-17 Thread Daniel Kahn Gillmor
On 01/17/2014 02:03 PM, Johannes Zarl wrote: If the revocation is a final act, as long as I can make sure that the revocation certificate reaches my communication partners I can be sure that nobody can compromise the key and reenable it and start impersonating me. If, however, the

Re: Reusing signed user ID or attribute

2014-01-17 Thread Hauke Laging
Am Fr 17.01.2014, 20:03:15 schrieb Johannes Zarl: If, however, the revocation is only a temporary act until a newer self- signature supersedes it, it would be almost impossible to effectively and permanently revoke a key. That's why we all use only the super-secure (haha) offline mainkeys.

Looking for simple wrapper for symmetric key file encryption

2014-01-17 Thread Mr. Clif
Greetings! I've been happily using pgp and gpg off and on for decades. One thing I never quite figured out was what the best way to use it for encrypting sensitive files on disk. After doing that one has to remember to cleanup after themselves and delete all the leftover plaintext versions of