Re: [paperkey] Always output "interrupt"

2018-06-20 Thread David Shaw
On Jun 20, 2018, at 11:28 AM, Damien Cassou wrote: > > David Shaw writes: >> Which version of paperkey is this? > > both the version from source and from Fedora package are 1.5. > >> If that doesn't resolve your problem, can you send me a sample secret >

Re: [paperkey] Always output "interrupt"

2018-06-20 Thread David Shaw
On Jun 20, 2018, at 5:14 AM, Damien Cassou wrote: > > Hi, > > The output of paperkey is just "interrupt" instead of being a printable > output. I've tried to use paperkey on 2 different main private keys and > failed twice. I tried with both the Fedora package and from paperkey's > source. Same

Re: GnuPG public key vulnerability?

2017-10-31 Thread David Shaw
On Oct 31, 2017, at 8:10 PM, murphy wrote: > > I got a signed notification from facebook (good signature, enigmail) > that claims my GnuPG generated public key has a "recently disclosed > vulnerability". This is the full text: > > We have detected that the OpenPGP key on your Facebook profile m

Re: suspicious key found

2017-05-16 Thread David Shaw
On May 16, 2017, at 9:47 AM, Janne Inkilä wrote: > > I made a key search with my name and found something suspicious. > > The search: > > https://pgp.mit.edu/pks/lookup?search=janne+inkila&op=index&fingerprint=on > > I have used my old key since 2007. Fingerprint F4DB 40F8 BF22 8B9D 9B8F F679

Re: Trust signature domain

2017-01-17 Thread David Shaw
On Jan 16, 2017, at 11:52 AM, John Lane wrote: > > I'm trying to experiment with trust signatures but I can't work out how > the 'domain' question is used ? > > I think I understand what it is for, but I can't enter a value and get > it to work. > > I have a key A that has signed b...@example.c

Re: File Encrypted with Primary key

2016-08-22 Thread David Shaw
On Aug 19, 2016, at 11:56 AM, Scott Linnebur wrote: > > I have an issue that I just cannot figure out. What I’m trying to do is move > a file between two organizations using two different transports while > encrypting the file. On one side they use ipswitch movit to encrypt the file > and po

Re: Remove photos from OpenPGP key in the keyservers

2016-03-08 Thread David Shaw
On Mar 8, 2016, at 6:54 AM, Marco A.G.Pinto wrote: > > Hello! > > I have made the mistake of adding the same photo with different file sizes > using Enigmail and export it to the servers. > > I have already deleted two of the three photos using the CLI, but the key in > the server still has

Re: Possible values for --compress-level and --bzip2-compress-level

2016-02-25 Thread David Shaw
On Feb 24, 2016, at 9:11 AM, Josef Carnap wrote: > > Hello everyone, > > I have a question to the options --compress-level and > --bzip2-compress-level. Which are the supportet (possible) > values of each of the options? -- Numbers from 0 up to 6? 1 through 9, with 1 being the least compression

Re: Hash selection failure on 2.1.1

2015-01-17 Thread David Shaw
On Jan 17, 2015, at 5:48 PM, Robert J. Hansen wrote: > quorra:~ rjh$ grep default-pref .gnupg/gpg.conf > default-preference-list SHA256 RIPEMD160 AES256 CAMELLIA256 TWOFISH 3DES > > > ... As I understand the way algorithms are selected, GnuPG uses the > most-preferred algorithm in my list that

Re: relationship between primary keys and subkeys

2015-01-16 Thread David Shaw
On Jan 16, 2015, at 7:56 AM, Salih Kardan wrote: > > Hi everyone, > > I have two simple questions about subkey mechanism. I search gnupg > documentations and mailing list, but could not find answers to my questions. > I would be so glad, if someone can answer below questions. > > 1) Is it po

Re: Vanity Keys

2015-01-13 Thread David Shaw
On Jan 13, 2015, at 10:11 PM, Sandeep Murthy wrote: > > Hi > >> Only the right key will actually work for verification, but the program may >> not be able to find that right key. > > Wouldn’t this issue of possible collisions in the long key ID (64 bits / 16 > hex digits) > causing problems f

Re: Vanity Keys

2015-01-13 Thread David Shaw
On Jan 13, 2015, at 2:53 PM, NdK wrote: > > Il 13/01/2015 16:34, David Shaw ha scritto: > >> I like the idea of adding a proper fingerprint to signature packets. I seem >> to recall this was suggested once in the past, but I don't recall why it >> wasn'

Re: Vanity Keys

2015-01-13 Thread David Shaw
On Jan 13, 2015, at 3:10 AM, Werner Koch wrote: > > On Mon, 12 Jan 2015 21:51, gn...@lists.grepular.com said: > >> Apparently some of the funds will be donated to the GnuPG project. I suspect >> he hasn't been in contact, and I imagine the funds would not be welcome? > > I have not heard about

Re: DSA key sizes

2014-11-10 Thread David Shaw
On Nov 10, 2014, at 8:56 AM, Robert J. Hansen wrote: >> FIPS-186-3, the document that specifies DSS (aka DSA with some >> additional restrictions as to algorithm, key length, etc) specifies 4 >> key sizes: > > Five, but nobody uses DSA-512 and I think it's been formally obsoleted. > But yes, DSA

Re: DSA key sizes

2014-11-10 Thread David Shaw
On Nov 10, 2014, at 7:00 AM, Nicholas Cole wrote: > Just out of curiosity: DSA key sizes are now rounded to one of 3 > values, whereas RSA keys are available in a range of sizes between two > limits. Why the difference? FIPS-186-3, the document that specifies DSS (aka DSA with some additional

Re: encrypting to expired certificates

2014-09-17 Thread David Shaw
On Sep 17, 2014, at 3:54 PM, MFPA <2014-667rhzu3dc-lists-gro...@riseup.net> wrote: > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA512 > > Hi > > > On Tuesday 16 September 2014 at 11:03:29 PM, in > , Doug Barton wrote: > > > >> When you get into the edit-key menu you can do 'uid *' >> (or s

Re: encrypting to expired certificates

2014-09-15 Thread David Shaw
On Sep 15, 2014, at 3:06 PM, Hauke Laging wrote: > Am Mo 15.09.2014, 09:47:21 schrieb David Shaw: > >> I disagree with this. Expiration is the way the key owner (the person >> who knows best whether the key should be used or not) tells the >> world, "Do not

Re: encrypting to expired certificates

2014-09-15 Thread David Shaw
On Sep 14, 2014, at 9:05 PM, Hauke Laging wrote: > Hello, > > after filing a bug report for my mail client because it does not allow > me to encrypt to an expired certificate (neither does Enigmail) I was > surprised to notice that I didn't manage to encrypt to an expired > certificate with

Re: HP-UX and GnuPG

2014-08-14 Thread David Shaw
On Aug 13, 2014, at 4:20 PM, Bill HT wrote: > We are on HP-UX ver 11.11 U 9000/800. GnuPG 2 was installed at > /usr/local/bin, we have to call it with the at path to do anything with it: > /usr/local/bin/gpg2. I can list keys and import keys. However, when trying to > generate keys or encrypt,

Re: what is "correct" for users' Preferred keyserver ?

2014-08-14 Thread David Shaw
On Aug 14, 2014, at 1:08 AM, Doug Barton wrote: > On 08/12/2014 11:27 PM, shm...@riseup.net wrote: >> i've seen a multitude of ways people input data into this pref >> >> for example, some people put a link to their public key .asc or .txt file >> >> some others put a link to an actual keyserve

Re: what is "correct" for users' Preferred keyserver ?

2014-08-14 Thread David Shaw
On Aug 13, 2014, at 2:27 AM, shm...@riseup.net wrote: > i've seen a multitude of ways people input data into this pref > > for example, some people put a link to their public key .asc or .txt file > > some others put a link to an actual keyserver > > from the name of the actual pref, it states

Re: Seeking clarification with a few GPG concepts

2014-08-14 Thread David Shaw
On Aug 14, 2014, at 5:46 AM, Peter Lebbing wrote: > On 13/08/14 23:51, David Shaw wrote: >> Try this: >> >> gpg2 --expert -u (thekey) --edit-key (thekey) > > Ah! I never thought of trying good old --expert. Thanks! It may be appropriate to not need --expert f

Re: [openpgp] SHA-2 support should be mandatory – change defaults

2014-08-14 Thread David Shaw
On Aug 14, 2014, at 1:20 AM, Doug Barton wrote: > On 08/12/2014 08:41 PM, David Shaw wrote: >> Maybe the answer is to remove the things to generate PGP 2 messages >> specifically, and leave the other stuff? > > Yes please. :) > > Not being able to encrypt/sign

Re: [openpgp] SHA-2 support should be mandatory – change defaults

2014-08-14 Thread David Shaw
On Aug 13, 2014, at 3:56 AM, Werner Koch wrote: >> state. One place that comes to mind is in --gen-revoke. GPG can >> import a bare revocation certificate. No version of PGP can, so there >> is code to push out a minimal public key before the revocation >> certificate. We'd need to add some s

Re: Seeking clarification with a few GPG concepts

2014-08-13 Thread David Shaw
On Aug 13, 2014, at 8:22 AM, Peter Lebbing wrote: > It is precisely as you said, GnuPG does allow reinstigating a revoked > UID. However, there is a slight hitch in the UI that means you can't do > it completely straight-forwardly. You need to delete the offending UID > before re-adding it, but o

Re: [openpgp] SHA-2 support should be mandatory – change defaults

2014-08-12 Thread David Shaw
On Aug 12, 2014, at 3:33 AM, Werner Koch wrote: > On Tue, 12 Aug 2014 00:08, ds...@jabberwocky.com said: > >> Rather than fixing RFC-1991 support, why not go in the other direction >> and make it clear that it isn't supported, and won't work? I did a >> bunch of work to make --pgp2 work well an

Re: [openpgp] SHA-2 support should be mandatory – change defaults

2014-08-11 Thread David Shaw
On Aug 11, 2014, at 1:31 PM, Johan Wevers wrote: > On 11-08-2014 8:49, Robert J. Hansen wrote: > >> On Enigmail, I recently had a frustrating >> experience helping a user who was trying to use GnuPG to exchange >> traffic with a PGP *2.6* user... a codebase which is about 20 years old now. > >

Re: On the advisability of stronger digests than SHA-1 in OpenPGP certifications

2014-06-29 Thread David Shaw
On Jun 29, 2014, at 6:23 AM, Werner Koch wrote: > On Sat, 28 Jun 2014 15:22, ds...@jabberwocky.com said: > >> I put a limited workaround in GnuPG at the time - that's why the >> encryption key is always written to the card after the auth key (so >> the encryption key would always be the "newest"

Re: On the advisability of stronger digests than SHA-1 in OpenPGP certifications [was: Re: riseup.net OpenPGP Best Practices article]

2014-06-28 Thread David Shaw
On Jun 28, 2014, at 5:20 AM, MFPA <2014-667rhzu3dc-lists-gro...@riseup.net> wrote: > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA512 > > Hi > > > On Friday 27 June 2014 at 11:35:00 PM, in > , David Shaw > wrote: > > >> Incidentally, since subk

Re: On the advisability of stronger digests than SHA-1 in OpenPGP certifications [was: Re: riseup.net OpenPGP Best Practices article]

2014-06-27 Thread David Shaw
On Jun 27, 2014, at 4:24 PM, John Clizbe wrote: > Kristian Fiskerstrand wrote: >> On 06/27/2014 03:54 PM, shm...@riseup.net wrote: >> >> >>> Robert J. Hansen: On 6/26/2014 5:57 PM, Daniel Kahn Gillmor wrote: > PGP 8 was released over a decade ago, that's hardly a modern > implemen

Re: riseup.net OpenPGP Best Practices article

2014-06-27 Thread David Shaw
On Jun 27, 2014, at 6:45 AM, Viktar Siarheichyk wrote: > On 26.06.2014 23:28, Paul R. Ramer wrote: >> On June 26, 2014 8:26:16 AM PDT, Daniel Kahn Gillmor >> wrote: >> >>> As for arguments about use on smartcards -- if you plan to get a >>> smartcard, and you have a primary key that is too lar

Re: more bikeshedding about offline primary keys & auth subkeys

2014-06-25 Thread David Shaw
On Jun 25, 2014, at 1:53 PM, Jérôme Pinguet wrote: > Hello! > > Thanks to Werner, I learned a new english word today: bikeshedding! :-) > > This guide > http://spin.atomicobject.com/2013/11/24/secure-gpg-keys-guide/ suggests > creating a subkey with authentication capability. Most other sources

Re: Google releases beta OpenPGP code

2014-06-04 Thread David Shaw
On Jun 4, 2014, at 4:32 AM, Werner Koch wrote: > On Wed, 4 Jun 2014 04:43, ds...@jabberwocky.com said: > >> I haven't looked at the fine details yet, but on the surface it seems >> like they're aiming at Gmail (mainly, but not solely). > > Interesting. This is in contrast to a recent online a

Google releases beta OpenPGP code

2014-06-03 Thread David Shaw
Likely of interest to this group: http://googleonlinesecurity.blogspot.com/2014/06/making-end-to-end-encryption-easier-to.html Briefly, it's a Chrome extension for doing OpenPGP. It can import and use RSA keys generated elsewhere, but only has code to generate ECC keys internally. I haven't

Re: Why create offline main key without encryption capabilities

2014-06-02 Thread David Shaw
On Jun 2, 2014, at 11:30 AM, Suspekt wrote: > Am 02.06.2014 17:01, schrieb David Shaw: > > One problem with multiple encryption subkeys is that the person > > encrypting to you doesn't know which one to use. As things stand in > > OpenPGP clients today, unless the pe

Re: Why create offline main key without encryption capabilities

2014-06-02 Thread David Shaw
On Jun 1, 2014, at 3:25 PM, Suspekt wrote: > OK,lets take the forced-by-law-theory in account. Than the "best" way from a > pure security-standpoint in this regard would be: > 0. OFFline-mainkey (certification of own keys and other people's keys) > -> 1. OFFline-subkey (signing) > -> 2. OFFline-

Re: Why create offline main key without encryption capabilities

2014-06-01 Thread David Shaw
On Jun 1, 2014, at 6:54 AM, Suspekt wrote: > Hi there, > I understand the concept of using a secure offline key and than creating one > or multiple subkeys to use in rather insecure environments like a > internet-connected laptop or a smartphone. Depending on which tutorial you > look at, the

Re: How are primary key binding signatures (0x19) handled by gpg?

2014-05-22 Thread David Shaw
On May 22, 2014, at 1:04 PM, martijn.list wrote: > According to RFC 4880 > > "For subkeys that can issue signatures, the subkey binding signature > MUST contain an Embedded Signature subpacket with a primary key binding > signature (0x19) issued by the subkey on the top-level key." > > The sub

Re: Future inclusion of Threefish in Gnupg?

2014-05-14 Thread David Shaw
On May 14, 2014, at 9:35 AM, Sin Trenton wrote: > Hello everyone, > > Just out of curiousity, are there any plans for including Threefish into > GnuPG? > Or does it have to be incorprorated into the OpenPGP standard first and > *then* perhaps baked into GnuPG? Yes. GnuPG follows the OpenPGP

Re: "gpg --with-fingerprint $FILE" is not listing the keyfingerprint in some cases

2014-05-13 Thread David Shaw
On May 13, 2014, at 7:15 PM, Aaron Toponce wrote: > I don't know if this is a bug, or if I am doing something wrong, so I might as > well ask here. I ran the following command from my terminal, and cannot > retrieve the fingerprint from the file: > >$ gpg --output 0xBB065B251FF4945B.gpg --ex

Re: improving validity calculation: external program

2014-05-05 Thread David Shaw
On May 5, 2014, at 1:05 AM, Hauke Laging wrote: > Hello, > > from time to time when changes to GnuPG's behaviour (about validity and > trust) are suggested, Werner responds kind of: "No, that should be done > on top of GnuPG." This attitude makes sense but in the current situation > I would a

Re: new keys vs. sub-keys vs. uids

2014-05-02 Thread David Shaw
On May 2, 2014, at 9:08 PM, gn...@tim.thechases.com wrote: > So I guess I'm looking for > > 1) something that doesn't leak identities across signatures > 2) a single passphrase to manage the multiple identities > 3) can be identified by the signing email address (Claws seems to > make this easy f

Re: Access to www.gnupg.org only via TLS

2014-04-30 Thread David Shaw
On Apr 30, 2014, at 3:23 PM, Doug Barton wrote: > ... your whole premise seems to be invalid as there is no clear evidence at > this time (that I'm aware of, and I've been paying attention) that any actual > secret keys have been compromised by Heartbleed. It was listed as a potential > risk w

Re: Get expiration date by searching on keyservers

2014-04-30 Thread David Shaw
On Apr 29, 2014, at 6:40 PM, Koen wrote: > Hi, > > I use '--keyserver --search-keys to get info on a number of > keys. As far as I can tell, that doesn't return an expiration date (if > that exists). GPG's keyserver code is capable of displaying expiration date, if the keyserver provides it.

Re: GPG cannot import public key

2014-04-24 Thread David Shaw
On Apr 24, 2014, at 9:15 AM, helices wrote: > Thank you, for your response. > > [1] > -BEGIN PGP PUBLIC KEY BLOCK- > Version: Encryption Desktop 10.3.0 (Build 8741) [..] > -END PGP PUBLIC KEY BLOCK- Interesting! This definitely has a selfsig, but the key itself is very odd.

Re: GPG cannot import public key

2014-04-23 Thread David Shaw
On Apr 23, 2014, at 11:14 PM, David Shaw wrote: > On Apr 23, 2014, at 3:24 PM, helices wrote: > >> No matter how I try, I cannot encrypt a file using that public key, even >> using --edit-key to assign trust: >> >> gpg: 845F5188: skipped: Unusable public

Re: best practice for pgp mail service, revoking keys

2014-04-23 Thread David Shaw
On Apr 23, 2014, at 6:13 PM, t...@piratemail.se wrote: > Greetings, > > This is a tiny bit philosophical. Perhaps a little off-topic. I think this is > probably the best list to ask never-the-less. > > So I've been working on this pgp base web based mail service. > https://github.com/timprepsci

Re: GPG cannot import public key

2014-04-23 Thread David Shaw
On Apr 23, 2014, at 3:24 PM, helices wrote: > No matter how I try, I cannot encrypt a file using that public key, even > using --edit-key to assign trust: > > gpg: 845F5188: skipped: Unusable public key > > gpg: /tmp/test.txt: encryption failed: Unusable public key > > > The owner of the pu

Re: Removing old preferences from exported key

2014-04-08 Thread David Shaw
On Apr 8, 2014, at 1:48 AM, Johan Wevers wrote: > On 07-04-2014 15:16, David Shaw wrote: > >> When you change preferences you add another selfsig for your >> user ID that contains the new preferences. > >> If you want to make the old preferences go away completely, &

Re: Removing old preferences from exported key

2014-04-07 Thread David Shaw
On Apr 7, 2014, at 2:06 AM, Johan Wevers wrote: > Hallo, > > I changed the preferences for my gpg key to add the new Camelia ciphers > and move IDEA more backward as I got problems with people with old pgp > keys using old gnupg versions claiming they supported it but actually > didn't support i

Re: Encrypted file-size approximation with multiple recipients

2014-04-01 Thread David Shaw
On Apr 1, 2014, at 9:01 PM, Tim Chase wrote: > I've been trying to find a good explanation on how something like > > gpg -r DEADBEEF -r CAFEBABE -r 8BADFOOD -o output.gpg -e input.txt > > works. The best I've been able to find is this: > > http://lists.gnupg.org/pipermail/gnupg-users/2007-Oc

Re: Use own key with symmetric encryption?

2014-03-31 Thread David Shaw
On Mar 31, 2014, at 2:18 PM, Barnet Wagman wrote: > In symmetric encryption (AES256), is it possible for me to supply my own key, > rather than entering a passphrase and having a key generated by pgp? No. Not without patching the source. David ___

Re: GnuPG encryption with key file

2014-03-27 Thread David Shaw
On Mar 26, 2014, at 5:37 PM, -- -- wrote: > Hi, > is it possible to encrypt a file with a symmetric cipher (e.g., AES256) using > a key file (e.g., a binary file) instead of a password? Not really, but you can sort of weakly approximate it via something like this: base64 -w0 binary-

Re: OpenPGP smartcard and RSA 8192 bit

2014-03-23 Thread David Shaw
On Mar 23, 2014, at 8:37 AM, -- -- wrote: > Hi! > > Just for the sake of curiosity, is it possible to store a 8192 bit RSA key on > the OpenPGP smart card? Two keys ? Three keys? No. You can store three 4096-bit RSA keys. Larger than that is not possible on the card (and not support

Re: Can't check signature, DSA key 9C973C92 requires a 256 bit or larger hash

2014-03-17 Thread David Shaw
On Mar 17, 2014, at 10:39 AM, Daniel Kahn Gillmor wrote: > On 03/15/2014 03:53 PM, Juha Heljoranta wrote: > >> I am not able to get the gpg to verify a signature. >> >> Any advice how to fix this? >> Or could the key 9C973C92 be invalid/broken? >> >> >> $ mkdir -m 700 newgnupg >> $ echo foo

Re: Can't check signature, DSA key 9C973C92 requires a 256 bit or larger hash

2014-03-17 Thread David Shaw
On Mar 15, 2014, at 3:53 PM, Juha Heljoranta wrote: > Hi, > > I am not able to get the gpg to verify a signature. > > Any advice how to fix this? > Or could the key 9C973C92 be invalid/broken? The key may be fine, but the signature is invalid. DSA keys specify how many bits of hash are neces

Re: Multiple Subkey Pairs

2014-03-13 Thread David Shaw
On Mar 13, 2014, at 6:17 PM, MFPA <2014-667rhzu3dc-lists-gro...@riseup.net> wrote: > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA512 > NotDashEscaped: You need GnuPG to verify this message > > Hi > > > On Thursday 13 March 2014 at 2:31:06 PM, in > , Hauke Laging wrote: > > > >> gpg --reci

Re: Encrypting File with passphrase

2014-03-13 Thread David Shaw
On Mar 12, 2014, at 9:07 AM, Kumar, Vikash X wrote: > Hi Team, > > Could you please help me to understand the following query. > > We are using gpg encryption method for encryption and decryption in our > application. We have generated the keypairs on server A and public key is > imported

Re: GPG key trust after a signing party

2014-02-26 Thread David Shaw
On Feb 26, 2014, at 8:43 AM, Óscar Pereira wrote: > Hello all, > > I've just stumbled across this question, on Security StackExchange, > but it has no satisfactory answers, so I'd thought to relay it here. > Basically, it asks whether after a GPG signing party, you still have > to assign trust v

Re: Size of main key...

2014-02-23 Thread David Shaw
On Feb 23, 2014, at 10:54 AM, Laurent Jumet wrote: > > Hello David ! > > David Shaw wrote: > >>> With 1.4.16, I suppose there is no way to change the size of the main >>> key (actual 1024), isn't it? >>> I'm limited to RIPEMD160. >

Re: Size of main key...

2014-02-23 Thread David Shaw
On Feb 23, 2014, at 2:33 AM, Laurent Jumet wrote: >With 1.4.16, I suppose there is no way to change the size of the main key > (actual 1024), isn't it? >I'm limited to RIPEMD160. If you're limited to using RIPEMD160 for some reason (or SHA-1, also a 160-bit hash), then you are limited

Re: Newbie problem

2014-02-22 Thread David Shaw
On Feb 21, 2014, at 7:06 PM, john s. wrote: > Having had no trouble generating a key pair, I am having some problems of > understanding. > > I am going around in circles trying to understand something i am sure is quite > straightforward. > > The command: > > gpg --edit-key UID takes me

Re: old pgp2.6x keys imported in gpg (compile pgp 2.6)

2014-01-28 Thread David Shaw
On Jan 28, 2014, at 9:37 AM, Uwe Brauer wrote: > Hello > > I have a problem to import my secret key into a iOS app called iPGmail. > > The problem is that of course the key is password protected and the app > seem to have difficulties with the password. > > So I just deleted the password and

Re: pgp export private key with password

2014-01-27 Thread David Shaw
On Jan 27, 2014, at 3:26 PM, Uwe Brauer wrote: >>> "David" == David Shaw writes: > >> On Jan 27, 2014, at 3:02 PM, Uwe Brauer wrote: >>> Hello >>> >>> I just tried out iPGmail a app for the iPhone which supports >>> pgp. However

Re: pgp export private key with password

2014-01-27 Thread David Shaw
On Jan 27, 2014, at 3:02 PM, Uwe Brauer wrote: > Hello > > I just tried out iPGmail a app for the iPhone which supports > pgp. However I want to import my private key and here the trouble > starts. For some reason iPGmail only supports private keys in armor > format which are password protected.

Re: Import "Raw" RSA Secret Key?

2013-12-19 Thread David Shaw
On Dec 19, 2013, at 7:10 PM, Eric Swanson wrote: > I'm trying to import a "raw" RSA secret key into GnuPG. > > I have p, q, d and the creation timestamp, as well as anything else > that can be computed from them (n, u, e, etc etc). > > I've been implementing bits of RFC 4880 in an attempt to ge

Re: encryption algorithm

2013-12-18 Thread David Shaw
On Dec 18, 2013, at 5:41 AM, Werner Koch wrote: > On Wed, 18 Dec 2013 02:27, r...@sixdemonbag.org said: > >> because you just shifted to arguing that "since GnuPG defaults to >> AES-256, we need to use RSA-15000 by default otherwise the asymmetric > > FWIW: > >The rationale why we use the

Re: encryption algorithm

2013-12-17 Thread David Shaw
On Dec 17, 2013, at 12:41 PM, Matt D wrote: > How can I find whats on my list? gpg --edit-key (thekey) showpref You can see your own, or anyone else's preference list that way. Note that each user ID (or photo ID) has its own preference list. David _

Re: encryption algorithm

2013-12-17 Thread David Shaw
On Dec 17, 2013, at 1:53 PM, Matt D wrote: > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA1 > > On 12/17/2013 01:37 PM, David Shaw wrote: >> On Dec 17, 2013, at 12:41 PM, Matt D wrote: >> >>> How can I find whats on my list? >> >> gpg --edit-key

Re: encryption algorithm

2013-12-17 Thread David Shaw
On Dec 17, 2013, at 11:31 AM, Matt D wrote: > On 12/17/2013 11:09 AM, Daniel Kahn Gillmor wrote: >> Hi Matt-- >> >> On 12/17/2013 10:07 AM, Matt D wrote: >>> Hi! What encryption algorithm do we use in OpenPGP >> >> OpenPGP has "algorithm agility", meaning that it's possible to use >> differen

Re: Setting encryption algorithm for specific key

2013-11-20 Thread David Shaw
On Nov 20, 2013, at 5:33 PM, Johan Wevers wrote: > Hello, > > I communicate with someone whose key tells me it supports IDEA, and > since that's my prefered algorithm my gpg uses it to encrypt the > message. However, het setup does not in fact support it (any more, it > used to do in the past).

Re: Theoretical and maybe stupid questions about security

2013-11-20 Thread David Shaw
On Nov 20, 2013, at 1:21 PM, Josef G. Bauer wrote: > Hi, > > I wonder how easily my private key(s) ('secgring.gpg') can be cracked > once somebody get access to it. Not at all easily, *if* you have a good passphrase on your private key(s). > Q: Is the password stored as an hash and can it be c

Re: How to add information about purpose/security of sub keys?

2013-11-13 Thread David Shaw
On Nov 13, 2013, at 6:08 PM, adrelanos wrote: > Hi! > > I would like to partition my key like this: > > - long term identity key (air gapped, master key) [a] > -- short term e-mail encryption key (less secured sub key, only on mail > machine) [b] > -- short term e-mail signing key (less secured

Re: (GnuPG) 1.4.2 - Signature Verification Issue

2013-10-24 Thread David Shaw
On Oct 24, 2013, at 4:47 PM, "VINEETA DESHMUKH (CRGL-THIRDPARTY.COM)" wrote: > Hello, > > I am facing an issue with the Signature verification from one of our clients > – JP Morgan. We currently have FTP+encryption+signature of all the files > which they send to us. However, they recently ha

Re: 2048 or 4096 for new keys? aka defaults vs. Debian

2013-10-24 Thread David Shaw
On Oct 24, 2013, at 3:05 PM, Sylvain wrote: > Hi, > > I saw a lot of activity in the Debian project about upgrading to a > 4096 RSA key, > e.g. http://lists.debian.org/debian-devel-announce/2010/09/msg3.html > > However GnuPG's default is 2048. > > Is this zealotry on the Debian front, or

Re: trust your corporation for keyowner identification?

2013-10-16 Thread David Shaw
On Oct 16, 2013, at 8:04 AM, "Brian J. Murrell" wrote: > If you worked in a corporate environment, would you trust the HR > department there to have verified the identity of employees well enough > to leverage that into signing a GPG key? > > Let's say such an environment had an messaging system

Re: better handling of importing local signatures

2013-10-15 Thread David Shaw
On Oct 15, 2013, at 7:30 PM, Hauke Laging wrote: > Hello, > > I think it would be a good idea to change the handling of local signatures. I > suggest to import local signatures even without >--import-options import-local-sigs > if the local signature is by one of the secret keys in the

Re: my gpg key does not conform to rfc4880?

2013-10-10 Thread David Shaw
On Oct 10, 2013, at 1:45 PM, "Brian J. Murrell" wrote: > I was told by a developer of a piece of software that my key does not > conform to rfc4800. He said: > > According to http://tools.ietf.org/html/rfc4880#section-5.2.2 > signatures of version 3 don't have subpackets, which are only > av

Re: GPG Private Key Export Question

2013-09-27 Thread David Shaw
On Sep 27, 2013, at 9:58 AM, Paul Taukatch wrote: > Really appreciate the help and the quick response! > > I just wanted to clarify, where exactly is the public key information stored > within the exported secret key data? Is it part of the Secret key packet as > part of the "Encrypted stuff

Re: GPG Private Key Export Question

2013-09-26 Thread David Shaw
On Sep 26, 2013, at 12:54 PM, Paul Taukatch wrote: > I had a question regarding exporting a private key using GPG. > > I generated a Key pair using GPG 1.4.13 and then used the export command to > export the private key into another file. > > Based on the RFC 4880 documentation: >A Secret

Re: Magic numbers for keyring files?

2013-09-25 Thread David Shaw
On Sep 25, 2013, at 9:18 AM, "Robert J. Hansen" wrote: > I'm working on adding support for GnuPG keyrings to a file carver (a > forensic tool that recovers data from damaged filesystems, or recovers > things that have been deleted but not overwritten). Detecting an > ASCII-armored keyblock is pr

Re: lsign produces exportable signatures when used for self-sigs

2013-09-13 Thread David Shaw
On Sep 13, 2013, at 1:22 AM, Daniel Kahn Gillmor wrote: > GnuPG is currently not able to create a non-exportable self-sig. If you > try to do this, it gives an error: > > WARNING: the signature will not be marked as non-exportable. This is by design (hence the warning message), as an unsigned

Re: GNUPG and Cast6

2013-08-29 Thread David Shaw
On Aug 29, 2013, at 2:01 PM, Csabi wrote: > Hi all, > > Why does not support GNUPG the CAST6 (256 bit key) variant of the CAST > algorithm? > It supports the CAST5 (128 bit key) variant and it is the default cipher. There never was a really good reason to support it. The OpenPGP working group

Re: Serpent?

2013-08-22 Thread David Shaw
On Aug 22, 2013, at 10:15 AM, Daniel Kahn Gillmor wrote: > On 08/22/2013 09:56 AM, Robert J. Hansen wrote: >> GnuPG extends this with support for Camellia-128, Camellia-192 and >> Camellia-256. I don't know the reasoning for introducing Camellia, but >> I'm sure there's a solid basis for it. >

Re: Serpent?

2013-08-22 Thread David Shaw
On Aug 22, 2013, at 9:56 AM, "Robert J. Hansen" wrote: > GnuPG extends this with support for Camellia-128, Camellia-192 and > Camellia-256. I don't know the reasoning for introducing Camellia, but > I'm sure there's a solid basis for it. I think it was implemented in GnuPG first, but it's not a

Re: Issue with --sign option

2013-08-19 Thread David Shaw
On Aug 18, 2013, at 11:45 AM, ashish tiwari wrote: > echo test123|/usr/local/bin/gpg --no-tty --passphrase-fd 0 -o > /apploatr/.gnupg/ab.pgp --debug-level advanced --log-file a.log --sign > --encrypt -r nkumar /apploatr/.gnupg/test.txt > > gpg: O j: ... this is a bug (getkey.c:2696:lo

Re: understanding GnuPG "--clearsign" option

2013-08-12 Thread David Shaw
On Aug 12, 2013, at 4:40 AM, Martin T wrote: > Hi, > > one can sign the message with "--clearsign" option which adds ASCII > armored(Radix-64 encoding) "PGP signature" at the end of the text. > This "PGP signature" contains the UID of the signer, timestamp and key > ID. However, two questions: >

Re: Question about notations and domains

2013-08-09 Thread David Shaw
On Aug 9, 2013, at 2:43 AM, Khelben Blackstaff wrote: > I only replied to Mr. Shaw and not to the list so i send this again. > > On Fri, 9 Aug 2013 00:09:29 -0400 > David Shaw wrote: > >> There are two namespaces here. If a tag is defined by the IETF >> process,

Re: Question about notations and domains

2013-08-08 Thread David Shaw
On Aug 8, 2013, at 5:17 PM, Khelben Blackstaff wrote: > Greetings. > > I am sorry if this is already answered but i could not find anything > relevant in the archive. > > Quick introduction: I got a new smart card and reader so i thought to > create a temporary test key and document on my blog

Re: Identifying your private key by the public KeyID

2013-08-06 Thread David Shaw
On Aug 6, 2013, at 9:22 AM, Kenneth Jones wrote: > I'm referring to the information you see for example in the prompt to > enter your private key when you have received an encrypted message in > Thunderbird/Enigmail. The window "pinetry" prompts "Please enter the > pass...2048-bit RSA key, ID DEA

Re: Identifying your private key by the public KeyID

2013-08-06 Thread David Shaw
On Aug 6, 2013, at 6:38 AM, Kenneth Jones wrote: > > Good day, and hello to the autoresponder (%]##{}#%^!!!) (just my opinion, > mind you). > I've been toying with PGP GPG GnuPG and whatever on and off since mid 1995, > but recently have become interested again as the political situation in th

Re: Is it possible to sign a key again after revoking a signature?

2013-08-02 Thread David Shaw
On Aug 2, 2013, at 1:17 AM, Philip Jägenstedt wrote: > Hi all, > > I'm new to GnuPG and have probably been a little too ambitious for my > own good. I originally signed key AB4DFBA4 at level 3 after a meetup, > but was later paranoid that I was too lax and wanted to resign it at > level 2, but d

Re: How to detect fingerprint and type of the key from pubring.gpg(public keyring file)?

2013-08-02 Thread David Shaw
On Aug 2, 2013, at 3:56 AM, Martin T wrote: > Hi, > > thanks for the reply! > >>> I think "method" in the example above is just indicating that this is a PGP >>> key. > > Exactly. However, how does RIPE server-side software detect that it's > a PGP key? Is this information(besides other infor

Re: How to detect fingerprint and type of the key from pubring.gpg(public keyring file)?

2013-08-01 Thread David Shaw
On Aug 1, 2013, at 6:58 PM, Martin T wrote: > Hi, > > RIPE(RIR in European region) database allows one to upload ASCII armored PGP > public keys: http://www.ripe.net/data-tools/support/security/pgp Server-side > software is able to generate some "key-cert" object attributes automatically. > F

Re: cleartext signature: digest determination

2013-06-19 Thread David Shaw
On Jun 19, 2013, at 8:19 AM, Hauke Laging wrote: > Hello, > > in RfC4880 I read this: > > https://tools.ietf.org/html/rfc4880#section-7 > > «If the "Hash" Armor Header is given, the specified message digest > algorithm(s) are used for the signature. If there are no such headers, MD5 > is

Re: Confusion with signature digest type.

2013-04-26 Thread David Shaw
On Apr 26, 2013, at 12:18 PM, Mason Loring Bliss wrote: > On Thu, Apr 25, 2013 at 11:47:49PM -0400, Robert J. Hansen wrote: > >> A preimage attack on SHA-1 is my house being on fire: avoiding SHA-1 for >> self-signatures is making sure to turn off the coffeepot. > > While I agree with what you'

Re: Privacy concerns

2013-04-17 Thread David Shaw
or me, if I made a work key, I'd probably cross sign (or at least sign my work key using my personal key) as it would give a better path to the work key in the web of trust. At the same time, though, if I made a key for a particular community where I wasn't directly known as "Davi

Re: IDEA License

2013-03-25 Thread David Shaw
On Mar 25, 2013, at 8:46 AM, Jan Chaloupecky wrote: > Hi, > is the IDEA algorithm licensed? Under which conditions am I allowed to use > the idea extension in a commercial product? It was a patented algorithm which required a license. The patent has since expired (and in fact it was difficult

Re: default keyring file formats

2013-02-19 Thread David Shaw
On Feb 19, 2013, at 9:27 PM, John A. Wallace wrote: > A lot of the documentation I see online includes references to files with > names like “foo.pub” or “foo.sec” as if these were public key rings and > secret key rings. However, I am accustomed to seeing keyrings like > “pubring.gpg” and “se

Re: how to use invald e-mail?

2013-02-12 Thread David Shaw
On Feb 12, 2013, at 11:20 AM, refresh...@tormail.org wrote: > When key is created gpg asks for e-mail address and it must be in proper > format email@domain. > > I saw keys without valid email already. > > How to do it? gpg --allow-freeform-uid --gen-key --allow-freeform-uid

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