Re: [Enigmail] Popescu and keys

2015-05-22 Thread Werner Koch
On Thu, 21 May 2015 23:58, b...@adversary.org said: Is it possible that a keyserver running the old, buggy PKS code (v. 0.9.something) mangled these keys? Yes, but that won't explain why the key binding signature is valid. Shalom-Salam, Werner -- Die Gedanken sind frei. Ausnahmen

Re: [Enigmail] Popescu and keys

2015-05-22 Thread Ben McGinnes
On 22/05/2015 5:00 pm, Werner Koch wrote: On Thu, 21 May 2015 23:58, b...@adversary.org said: Is it possible that a keyserver running the old, buggy PKS code (v. 0.9.something) mangled these keys? Yes, but that won't explain why the key binding signature is valid. Okay, there's clearly

Re: [Enigmail] Popescu and keys

2015-05-21 Thread Ben McGinnes
On 22/05/2015 5:37 am, Werner Koch wrote: These are all encryption subkeys. The third key is the one from H. Peter Anvin. I have not found one of the fingerprints given in the said blog posting: gpg removed it while importing the key. It is a bit disturbing that the other subkey listed

Lower Bound for Primes during GnuPG key generation (was Re: [Enigmail] Popescu and keys)

2015-05-21 Thread vedaal
On 5/21/2015 at 3:45 PM, Werner Koch w...@gnupg.org wrote: Some guy downloaded most RSA keys from a keyserver and tried to factor 1.9 million moduli. They found 30 keys with a subkey having one of the first 1000 primes as a factor. I looked at 8 of those keys and found that 2 are likely PGP

Re: [Enigmail] Popescu and keys

2015-05-21 Thread Werner Koch
On Thu, 21 May 2015 18:23, d...@fifthhorseman.net said: At least one of the keys he claimed to have broken is a degraded copy of one of H. Peter Anvin's actual subkeys, as Hanno Böck pointed out here: That reminds if of a private discussion I had last autumn. Some guy downloaded most RSA keys

Re: [Enigmail] Popescu and keys

2015-05-21 Thread Daniel Kahn Gillmor
On Thu 2015-05-21 12:23:20 -0400, Daniel Kahn Gillmor wrote: Which key does he claim to have broken? If Mircea has broken your encryption-capable subkey (0xB8A6B74C001892C2) then he might only be able to decrypt messages sent to you, but not sign them. To provide him with an opportunity to

Re: [Enigmail] Popescu and keys

2015-05-21 Thread Robert J. Hansen
Which key does he claim to have broken? If Mircea has broken your encryption-capable subkey (0xB8A6B74C001892C2) then he might only be able to decrypt messages sent to you, but not sign them. He didn't say. You're correct in that I made an unfounded assumption; thank you for the

Re: [Enigmail] Popescu and keys

2015-05-21 Thread Daniel Kahn Gillmor
On Wed 2015-05-20 20:13:32 -0400, Robert J. Hansen wrote: In the last couple of days a few different people have pointed me to Mircea Popescu's blog, where he's claimed he's broken ~150 keys that are in common circulation among the keyservers. At least one of the keys he claimed to have broken