Re: Why do we use a different key to sign than to encrypt

2011-03-01 Thread Jameson Rollins
On Tue, 1 Mar 2011 14:30:37 +, Guy Halford-Thompson wrote: > But doesnt GPG generate 2 private keys (as well as public keys) when > you create a new keypair? > > Please select what kind of key you want: >(1) RSA and RSA (default) >(2) DSA and Elgamal >(3) DSA (sign only) >(4)

Re: PGP/MIME considered harmful for mobile

2011-02-26 Thread Jameson Rollins
On Sat, 26 Feb 2011 21:02:08 -0500, Avi wrote: > Why? Inline is simple and effective. I'm curious as to why you > feel MIME is so much better. http://josefsson.org/inline-openpgp-considered-harmful.html jamie. pgpha2dSJArgJ.pgp Description: PGP signature ___

Re: PGP/MIME considered harmful for mobile

2011-02-24 Thread Jameson Rollins
On Thu, 24 Feb 2011 20:22:03 -0500, "Robert J. Hansen" wrote: > Just as an FYI to the list -- > > On Android's mail application, PGP/MIME attachments are nigh-unusable. > It won't render even the plaintext portions: it has to be downloaded and > opened with a text reader. If you're concerned ab

Re: moving user ID Comments to --expert mode

2011-02-04 Thread Jameson Rollins
On Fri, 4 Feb 2011 20:08:08 +, MFPA wrote: > IMHO, the comment field is firmly in the "you don't need this at all" > category. If Heinrich Heine really wants his UID to be > "Heinrich Heine (Der Dichter) " he can > type "Heinrich Heine (Der Dichter)" in the name field and > "heinri...@duesseld

Re: moving user ID Comments to --expert mode

2011-02-03 Thread Jameson Rollins
On Thu, 03 Feb 2011 17:54:39 -0500, "Robert J. Hansen" wrote: > > But i suspect he would not want to certify this User ID: > > > > Daniel Kahn Gillmor (I am really Robert Hansen) > > Correct. Because the presence of my signature means something. The > *absence* means *nothing at all*, and y

Re: moving user ID Comments to --expert mode

2011-02-03 Thread Jameson Rollins
On Thu, 03 Feb 2011 17:10:58 -0500, "Robert J. Hansen" wrote: > On 2/3/11 4:30 PM, Daniel Kahn Gillmor wrote: > > my "user survey" is from several years of trying to personally help > > dozens of people of all skill levels learn how to use OpenPGP for secure > > messaging. Regardless of the inte

Re: How to handle user passphrase input from python script

2011-01-30 Thread Jameson Rollins
On Mon, 31 Jan 2011 03:41:51 +0100, orionbe...@gmail.com wrote: > I use a python script to (a) open a file encrypted with a symmetric > cipher using a passphrase, (b) do some operations on it, and (c) > re-encrypt it. You might try using one of the many python gpg interface libraries that exist

Re: What does the "sub" entry of a key mean?

2011-01-15 Thread Jameson Rollins
On Sat, 15 Jan 2011 19:17:27 +0100, Bo Berglund wrote: > THanks, indeed the --with-colons gave a completely different output... > I was just about to ask of the date format (if it changes between > operating systems or such) but now I have a different problem in > understanding the machine readabl

Re: gpgkey2ssh

2010-10-21 Thread Jameson Rollins
On Thu, 21 Oct 2010 19:58:31 -0600, Aaron Toponce wrote: > So, help? Hi, Aaron. You might be interested in some of the tools that come with the Monkeysphere [0] package, which deals with a lot of OpenPGP for SSH stuff. It comes with the utility openpgp2ssh, which translates OpenPGP keys to SSH

Re: Confirmation for cached passphrases useful?

2010-10-15 Thread Jameson Rollins
On Fri, 15 Oct 2010 19:12:21 -0400, "Robert J. Hansen" wrote: > > Do you use ssh-agent? Do you think their implementation of the same > > thing is not good? If so, have you complained to them about it, or > > asked why the implemented it? > > This seems to be an argument from implication of hy

Re: Confirmation for cached passphrases useful?

2010-10-15 Thread Jameson Rollins
On Sat, 16 Oct 2010 01:05:11 +0200, Hauke Laging wrote: > I just don't like the idea that access to the agent is "not noticed by > design". I strongly agree with this point. Let's think about it another way: what if the user is themselves doing something that is unintentionally accessing the ke

Re: Confirmation for cached passphrases useful?

2010-10-15 Thread Jameson Rollins
On Fri, 15 Oct 2010 18:23:04 -0400, "Robert J. Hansen" wrote: > I'm not. This idea isn't good. Do you use ssh-agent? Do you think their implementation of the same thing is not good? If so, have you complained to them about it, or asked why the implemented it? jamie. pgph0M2eECPqg.pgp Descr

Re: Confirmation for cached passphrases useful?

2010-10-15 Thread Jameson Rollins
On Fri, 15 Oct 2010 15:36:51 -0400, "Robert J. Hansen" wrote: > On 10/15/10 2:49 PM, Jameson Rollins wrote: > > Without use confirmation in the agent, a malicious program running under > > your account could access your secret key without you knowing it. > &g

Re: Confirmation for cached passphrases useful?

2010-10-15 Thread Jameson Rollins
On Fri, 15 Oct 2010 13:42:05 -0400, "Robert J. Hansen" wrote: > On 10/15/10 1:31 PM, Doug Barton wrote: > > The other problem with the confirmation proposal is that ... the > > intersection between plausible attack vectors and vulnerabilities > > that [this proposal] would actually fix seems [ver

Re: how slow are 4Kbit RSA keys? [was: Re: multiple keys vs multiple identities]

2010-09-27 Thread Jameson Rollins
On Mon, 27 Sep 2010 21:25:21 +0200, Ludwig Hügelschäfer wrote: > Ack. 1.5 seconds is about the limit where a good GUI should issue a > reaction. This is where the human mind is starting to think there's > something wrong. We should be careful not to overstate the impatience of users too much. I'

Re: how slow are 4Kbit RSA keys? [was: Re: multiple keys vs multiple identities]

2010-09-27 Thread Jameson Rollins
On Mon, 27 Sep 2010 16:28:07 +0200, Vjaceslavs Klimovs wrote: > 2048 bit keys are suitable - it's "user+sys" what matters in this case, > but not "real" by all means, as that includes waiting for passphrase > input too. I think this is really a UI issue, in which case "real" is what you really c

Re: how slow are 4Kbit RSA keys? [was: Re: multiple keys vs multiple identities]

2010-09-27 Thread Jameson Rollins
On Mon, 27 Sep 2010 15:56:52 +0200, Vjaceslavs Klimovs wrote: > I did some quick tests on Nokia N900 (600 MHz ARM CPU), with gnupg > 1.4.6, here is what I got: > > Encrypting and signing, 2048 bit RSA keys: > > real0m 2.50s > user 0m 0.50s > sys 0m 0.02s > > Decrypting and verifying, 20

Re: How to sign a remote repository, i.e. forward agent

2010-07-01 Thread Jameson Rollins
On Tue, 29 Jun 2010 21:40:37 +0200, Carsten Aulbert wrote: > My problem is relatively simple. We provide a (Debian) repository for our > colleagues as well as ourselves and would like to sign it (for the experts: > reprepro's export option). Of course one could either copy around the secret >

Re: local signatures: should they be importable by default in some cases?

2010-06-22 Thread Jameson Rollins
On Tue, 22 Jun 2010 09:51:58 -0400, Jameson Rollins wrote: > I think the situation Daniel points out is one of the better usages for > local signatures, and probably the main reason for having them in the > first place. Actually, looking at the RFC 4880 now, I see that the original d

Re: local signatures: should they be importable by default in some cases?

2010-06-22 Thread Jameson Rollins
On Tue, 22 Jun 2010 09:27:46 -0400, David Shaw wrote: > On Jun 22, 2010, at 2:36 AM, Daniel Kahn Gillmor wrote: > >> Can you elaborate on the usage you're describing? > > > > I'm thinking of a situation involving three people: Alice, Bob, and Charlie. > > > > Alice has met Bob in person and has

keyserver queries over TLS [was: Re: auto refresh-keys]

2010-06-20 Thread Jameson Rollins
On Sun, 20 Jun 2010 02:50:41 +0100, MFPA wrote: > > So in order to be safe you need additional CPU load > > either for TLS or for signing. Signing is superior IMHO > > because it allows reuse of the data (one crypto action > > (covering less data) for several users vs. one for each > > user with T

Re: Test mail to gnupg.u...@seibercom.net

2010-06-11 Thread Jameson Rollins
On Fri, 11 Jun 2010 06:27:12 -0400, Jerry wrote: > I am assuming that you wanted me to reply to this message. Its intended > purpose was not overly clear. At least not to me, but then again I have > not had my second cup of coffee this morning. I think if he had wanted you to respond to it he wou

Re: Keyserver spam example

2010-06-10 Thread Jameson Rollins
Speaking of spam, I'm getting more spam from some sort of automated ticketing system that seems to be subscribed to this list that I ever have from a keyserver. The mail seems to come from: secure.mpcustomer.com and it often sets the From: to be from someone else. This is totally uncool. Is th

Re: Keyserver spam example

2010-06-10 Thread Jameson Rollins
On Thu, 10 Jun 2010 11:32:05 -0400, Daniel Kahn Gillmor wrote: > And i should probably add that it is indeed an infinitesimal drop in the > bucket compared to the other spam i receive; i'm not concerned about it. Not to mention that the bother of a couple of extra spams is completely dwarfed by

Re: Crypto Stick released!

2010-06-03 Thread Jameson Rollins
On Thu, 03 Jun 2010 16:43:19 +0200, Crypto Stick wrote: > Each of the three keys can be up to 3072 bit. In fact they can even be > 4096 bit long; but GnuPG does currently not support such key length in > cooperation with the Crypto Stick (but GnuPG can handle 4096 bit > soft-keys without the Cryp

RE: Migrating from PGP to GPG question

2010-02-25 Thread Jameson Rollins
On Wed, 24 Feb 2010 20:33:14 -0800, "Smith, Cathy" wrote: > We are migrating from OpenPGP which is a freeware version of PGP. Sorry for > the confusion. I'm not familiar with OpenPGP, the software. I'm familiar with the PGP Corporation's implementation (which I think is just called "PGP"), but

Re: Migrating from PGP to GPG question

2010-02-24 Thread Jameson Rollins
On Wed, 24 Feb 2010 18:46:33 -0800, "Smith, Cathy" wrote: > We are starting to migrate from OpenPGP to GnuPG. Just for clarification, GnuPG is software tool that is actually an implementation of the OpenPGP specification [0]. OpenPGP is not actually a piece of software itself, nor is GnuPG a spe

fragility of --edit-key interface [was: Re: Changing trust in GPGME]

2010-01-13 Thread Jameson Rollins
On Wed, Jan 13, 2010 at 10:39:28AM +0100, Werner Koch wrote: > On Tue, 12 Jan 2010 23:41:52 +0100, Piotr Bratkowski wrote: > > > I have this code. And when I see output owner_trust = 4, but in gpg > > from system I get 0. Do I need to somehow save this changes?? > > This is not directly supported