Re: How to prevent passphrase caching in 2.1

2017-01-28 Thread Carola Grunwald
On Thu, 29 Dec 2016 12:37:03 +, MFPA <2014-667rhzu3dc-lists-gro...@riseup.net> wrote: >On Sunday 27 November 2016 at 5:15:55 PM, in >, Carola >Grunwald wrote:- > > >> But no, unfortunately it's a Windows server >> application with GnuPG, Tor, >> Mixmaster and Hamster embedded. And in a server

Re: How to prevent passphrase caching in 2.1

2016-12-29 Thread MFPA
-BEGIN PGP SIGNED MESSAGE- Hash: SHA512 On Sunday 27 November 2016 at 5:15:55 PM, in , Carola Grunwald wrote:- > But no, unfortunately it's a Windows server > application with GnuPG, Tor, > Mixmaster and Hamster embedded. And in a server > environment it's > problematic to switch syste

Re: How to prevent passphrase caching in 2.1

2016-11-27 Thread Carola Grunwald
Werner Koch wrote: >On Wed, 23 Nov 2016 03:28, c...@nymph.paranoici.org said: > >> Sure, I like v1.4's small footprint and its reliability. But as the >> --faked-system-time option, important in my application for privacy >> reasons, wasn't backported to v1.4, I had to migrate to v2.1. I'm still

Re: How to prevent passphrase caching in 2.1

2016-11-26 Thread Werner Koch
On Wed, 23 Nov 2016 03:28, c...@nymph.paranoici.org said: > Sure, I like v1.4's small footprint and its reliability. But as the > --faked-system-time option, important in my application for privacy > reasons, wasn't backported to v1.4, I had to migrate to v2.1. I'm still If you are running on a g

Re: How to prevent passphrase caching in 2.1

2016-11-23 Thread Carola Grunwald
Daniel Kahn Gillmor wrote: >On Wed 2016-11-23 03:46:57 -0500, Carola Grunwald wrote: >> With GnuPG 1.4 I had no agent. And, in case it is, I've no idea why with >> 2.x such a passphrase cache with all its risks has to be mandatory. > >in 2.0, the agent is a passphrase cache. in 2.1, the agent is

Re: How to prevent passphrase caching in 2.1

2016-11-23 Thread Daniel Kahn Gillmor
On Wed 2016-11-23 03:46:57 -0500, Carola Grunwald wrote: > With GnuPG 1.4 I had no agent. And, in case it is, I've no idea why with > 2.x such a passphrase cache with all its risks has to be mandatory. in 2.0, the agent is a passphrase cache. in 2.1, the agent is a proper cryptographic agent, whi

Re: How to prevent passphrase caching in 2.1

2016-11-23 Thread Carola Grunwald
Daniel Kahn Gillmor wrote: >On Tue 2016-11-22 11:20:26 -0500, Carola Grunwald wrote: >> They don't have direct access to any key. Nevertheless by using someone >> else's cached passphrase with 2.1 and its all-embracing keyring they may >> succeed in decoding data not meant for them. > >fwiw, the

Re: How to prevent passphrase caching in 2.1

2016-11-22 Thread Carola Grunwald
Peter Lebbing wrote: >On 22/11/16 17:20, Carola Grunwald wrote: >> They don't have any system account at all. These are users of a >> messaging system, only allowed to access its POP3, SMTP and NNTP >> service. > >Perhaps 1.4 is the best release for you... you'll miss out on Elliptic >Curve, but

Re: How to prevent passphrase caching in 2.1

2016-11-22 Thread Daniel Kahn Gillmor
On Tue 2016-11-22 11:20:26 -0500, Carola Grunwald wrote: > They don't have direct access to any key. Nevertheless by using someone > else's cached passphrase with 2.1 and its all-embracing keyring they may > succeed in decoding data not meant for them. fwiw, the same concerns hold for a shared gpg

Re: How to prevent passphrase caching in 2.1

2016-11-22 Thread Peter Lebbing
On 22/11/16 17:20, Carola Grunwald wrote: > They don't have any system account at all. These are users of a > messaging system, only allowed to access its POP3, SMTP and NNTP > service. Perhaps 1.4 is the best release for you... you'll miss out on Elliptic Curve, but other than that, it's still a

Re: How to prevent passphrase caching in 2.1

2016-11-22 Thread Carola Grunwald
Peter Lebbing wrote: >On 21/11/16 15:20, Carola Grunwald wrote: >> As for each single decryption task only a defined passphrase is >> allowed to be used it's essential to have caching, which implicates >> the risk of unauthorized passphrase usage, strictly deactivated. > >Why do you lump these us

Re: How to prevent passphrase caching in 2.1

2016-11-22 Thread Peter Lebbing
On 21/11/16 15:20, Carola Grunwald wrote: > As for each single decryption task only a defined passphrase is > allowed to be used it's essential to have caching, which implicates > the risk of unauthorized passphrase usage, strictly deactivated. Why do you lump these users together? At a first glan

Re: How to prevent passphrase caching in 2.1

2016-11-21 Thread Carola Grunwald
Hello Werner, thanks for your fast reply. On Mon, 21 Nov 2016 10:30:51 +0100, you wrote: >On Sun, 20 Nov 2016 22:18, c...@nymph.paranoici.org said: > >> to gpg-agent.conf the official way to deactivate passphrase caching >> completely and make GnuPG only use the term transferred with the > >Plea

Re: How to prevent passphrase caching in 2.1

2016-11-21 Thread Werner Koch
On Sun, 20 Nov 2016 22:18, c...@nymph.paranoici.org said: > to gpg-agent.conf the official way to deactivate passphrase caching > completely and make GnuPG only use the term transferred with the Please describe what you want to achieve. Salam-Shalom, Werner -- Die Gedanken sind frei. Aus

How to prevent passphrase caching in 2.1

2016-11-20 Thread Carola Grunwald
Hi, is adding | default-cache-ttl 0 and/or | max-cache-ttl 0 to gpg-agent.conf the official way to deactivate passphrase caching completely and make GnuPG only use the term transferred with the --passphrase option? Thanks Caro ___ Gnupg-users mail

How to prevent passphrase caching in 2.1

2016-11-20 Thread Carola Grunwald
Hi, is adding | default-cache-ttl 0 and/or | max-cache-ttl 0 to gpg-agent.conf the official way to deactivate passphrase caching completely and make GnuPG only use the term transferred with the --passphrase option? Thanks Caro ___ Gnupg-users mail