Re: ePGP extension for mobile

2014-01-03 Thread Edwin A. Opare
Thanks once again for the feedback. Best, Edwin On Thu, Jan 2, 2014 at 3:04 PM, Olav Seyfarth o...@enigmail.net wrote: -BEGIN PGP SIGNED MESSAGE- Hash: RIPEMD160 Hi Edwin, IN SHORT To your question: I don't think there is a mobile solution for ePGP available. LONG ANSWER

Re: sign encrypted emails

2014-01-03 Thread Hauke Laging
Am Fr 03.01.2014, 00:33:51 schrieb Doug Barton: On 01/02/2014 09:35 PM, Hauke Laging wrote: | I just noticed that you can easily be deluded about an email being | encrypted: That you receive an encrypted mail does not mean that it | was sent encrypted. An adversary may encrypt a non-encrypted

Re: sign encrypted emails

2014-01-03 Thread Doug Barton
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 FYI, your client has horrible line wrapping. If there is a setting, please change it to 72 columns. On 01/03/2014 12:59 AM, Hauke Laging wrote: | Do you agree that it is (or, depending on the content, can be) an | important information whether a

Re: sign encrypted emails

2014-01-03 Thread Doug Barton
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 On 01/03/2014 01:13 AM, Doug Barton wrote: | My argument is that the_only_ thing relevant to message validity | is the signature on the message itself. Whether it was encrypted or | not should play no role in the recipient's calculation of the |

Re: sign encrypted emails

2014-01-03 Thread Robert J. Hansen
On 1/3/2014 3:33 AM, Doug Barton wrote: This threat model doesn't make a lot of sense, except for very naive users who cannot distinguish the importance of a message that is encrypted vs. a message (encrypted or not) which is signed. I'm going to cautiously disagree. What we call very naive

Re: sign encrypted emails

2014-01-03 Thread Hauke Laging
Am Fr 03.01.2014, 01:13:13 schrieb Doug Barton: On 01/03/2014 12:59 AM, Hauke Laging wrote: | Do you agree that it is (or, depending on the content, can be) an | important information whether a message was encrypted by the sender | (and for which key)? Not particularly, no. The message

Re: Can't decrypt message encrypted with ECC

2014-01-03 Thread Werner Koch
On Thu, 2 Jan 2014 18:54, eagleeyes...@yahoo.com said: I have created a test ECC 25519 subkey. You mean using the experimental code in GnuPG master? Don't use it - it is is work in progress. Salam-Shalom, Werner -- Die Gedanken sind frei. Ausnahmen regelt ein Bundesgesetz.

How to do pinentry in same screen as gpg

2014-01-03 Thread Dan Mahoney, System Admin
All, I have a script that I use to send mail (as part of pine/alpine) that needs to prompt for my key passphrase. I run alpine on a private unix server, within a screen session. It basically works perfectly with gpg1, where I can get an inline prompt for a password, but gpg2 falls short

Re: sign encrypted emails

2014-01-03 Thread Hauke Laging
Am Fr 03.01.2014, 10:02:28 schrieb MFPA: OpenPGP's mitigation against this is signing emails, and the web of trust to give assurance who signed. That's exactly why I want signatures. But I do not only want a signature which guarantees the data integrity, I want a(nother) signature which

Re: sign encrypted emails

2014-01-03 Thread Hauke Laging
Am Fr 03.01.2014, 04:28:38 schrieb Robert J. Hansen: or that his proposed fix would work. Would you explain how that shall be avoided? You send an email to me. You encrypt it to the key which I want you to encrypt it to. Then you sign the encrypted data. If I receive an email from you which

Re: How to do pinentry in same screen as gpg

2014-01-03 Thread Hauke Laging
Am Fr 03.01.2014, 01:14:22 schrieb Dan Mahoney, System Admin: It basically works perfectly with gpg1, where I can get an inline prompt for a password, but gpg2 falls short where it tries to set up some kind of a unix-socket connection to a pinentry dialog, and this all falls apart within the

Re: sign encrypted emails

2014-01-03 Thread Robert J. Hansen
On 1/3/2014 4:57 AM, Hauke Laging wrote: Would you explain how that shall be avoided? I already did, in quite clear language. You are trying to solve a social problem (people don't have the background to think formally about trust issues) via technological means (if we just change the way we

Re: sign encrypted emails

2014-01-03 Thread Peter Lebbing
On 03/01/14 10:57, Hauke Laging wrote: If I receive an email from you which is not encrypted and signed (as the outer layer) then I go on red alert. Like today I might if the message is not encrypted or not signed. How do you know the sender doesn't have an unencrypted copy of the message in

Re: sign encrypted emails

2014-01-03 Thread Leo Gaspard
On Fri, Jan 03, 2014 at 06:21:05AM -0500, Robert J. Hansen wrote: On 1/3/2014 4:57 AM, Hauke Laging wrote: Would you explain how that shall be avoided? I already did, in quite clear language. You are trying to solve a social problem (people don't have the background to think formally

Re: How to do pinentry in same screen as gpg

2014-01-03 Thread Dan Mahoney, System Admin
On Fri, 3 Jan 2014, Hauke Laging wrote: Am Fr 03.01.2014, 01:14:22 schrieb Dan Mahoney, System Admin: It basically works perfectly with gpg1, where I can get an inline prompt for a password, but gpg2 falls short where it tries to set up some kind of a unix-socket connection to a pinentry

Re: How to do pinentry in same screen as gpg

2014-01-03 Thread Dan Mahoney, System Admin
On Fri, 3 Jan 2014, Hauke Laging wrote: Am Fr 03.01.2014, 01:14:22 schrieb Dan Mahoney, System Admin: It basically works perfectly with gpg1, where I can get an inline prompt for a password, but gpg2 falls short where it tries to set up some kind of a unix-socket connection to a pinentry

Re: sign encrypted emails

2014-01-03 Thread Daniel Kahn Gillmor
On 01/03/2014 08:12 AM, Leo Gaspard wrote: So changing the encryption could break an opsec. If someone's opsec is based on the question of whether a message was encrypted or not, then they've probably got their cart before their horse too. opsec requirements should indicate whether you encrypt,

Re: sign encrypted emails

2014-01-03 Thread Daniel Kahn Gillmor
On 01/03/2014 12:35 AM, Hauke Laging wrote: From the RfC perspective (PGP/MIME) this should not be a problem; you just need another level of nesting. Maybe the mail clients are not even prepared for reading such messages. That would not surprise me but would not be an argument against one

Re: sign encrypted emails

2014-01-03 Thread NdK
Il 03/01/2014 11:28, Hauke Laging ha scritto: But I do not suggest to make my configuration the default. I just want to be able to use it. Sometimes it's best to send a signed cleartext message, sometimes to send an unsingned encrypted message, sometimes a first signed then encrypted

Re: How to do pinentry in same screen as gpg

2014-01-03 Thread Peter Lebbing
On 03/01/14 14:31, Dan Mahoney, System Admin wrote: Hauke, in your posts, you mention that the pinentry protocol isn't on the GPG website. Could that please be fixed by the people who maintain the project? I notice it also missing from http://www.gnupg.org/documentation/manuals/ I remember

NSA seeks to build quantum computer that could crack most types of encryption

2014-01-03 Thread Filip M. Nowak
Hi all. Nothing new actually, but this is nice point: “The irony of quantum computing is that if you can imagine someone building a quantum computer that can break encryption a few decades into the future, then you need to be worried right now,” Lidar said. [1] [1]

Re: sign encrypted emails

2014-01-03 Thread Leo Gaspard
On Fri, Jan 03, 2014 at 12:50:47PM -0500, Daniel Kahn Gillmor wrote: On 01/03/2014 08:12 AM, Leo Gaspard wrote: So changing the encryption could break an opsec. If someone's opsec is based on the question of whether a message was encrypted or not, then they've probably got their cart before

Re: sign encrypted emails

2014-01-03 Thread Daniel Kahn Gillmor
On 01/03/2014 06:56 PM, Leo Gaspard wrote: On Fri, Jan 03, 2014 at 12:50:47PM -0500, Daniel Kahn Gillmor wrote: On 01/03/2014 08:12 AM, Leo Gaspard wrote: So changing the encryption could break an opsec. If someone's opsec is based on the question of whether a message was encrypted or not,

Re: sign encrypted emails

2014-01-03 Thread Doug Barton
On 01/03/2014 01:28 AM, Robert J. Hansen wrote: On 1/3/2014 3:33 AM, Doug Barton wrote: This threat model doesn't make a lot of sense, except for very naive users who cannot distinguish the importance of a message that is encrypted vs. a message (encrypted or not) which is signed. I'm going