Re: Root Zone DNSSEC Deployment Technical Status Update

2010-07-18 Thread Steven Bellovin
On Jul 17, 2010, at 3:30 05PM, Taral wrote: On Sat, Jul 17, 2010 at 7:41 AM, Paul Wouters p...@xelerance.com wrote: Several are using old SHA-1 hashes... old ? old in that they are explicitly not recommended by the latest specs I was looking at. DNSSEC signatures do not need to have a

Re: Root Zone DNSSEC Deployment Technical Status Update

2010-07-17 Thread Jakob Schlyter
On 16 jul 2010, at 19.59, Thierry Moreau wrote: With what was called DURZ (Deliberately Unvalidatable Root Zone), you, security experts, has been trained to accept signature validation failures as false alarms by experts from reputable institutions. Thierry, do you know of anyone that

Re: Root Zone DNSSEC Deployment Technical Status Update

2010-07-17 Thread Thierry Moreau
Dear Jakob: Trying to reply specifically. The bigger picture would require extensive background explanations. Jakob Schlyter wrote: On 16 jul 2010, at 19.59, Thierry Moreau wrote: With what was called DURZ (Deliberately Unvalidatable Root Zone), you, security experts, has been trained to

Re: Root Zone DNSSEC Deployment Technical Status Update

2010-07-17 Thread Paul Hoffman
At 9:52 AM -0400 7/17/10, Thierry Moreau wrote: Incidentally, you say you [the design team] had good *documented* reasons for implementing DURZ *as*you*did*. Did you document why any of unknown/proprietary/foreign signature algorithm code(s) were not possible (this was an alternative)? This was

Re: Root Zone DNSSEC Deployment Technical Status Update

2010-07-17 Thread Thierry Moreau
Paul Hoffman wrote: At 9:52 AM -0400 7/17/10, Thierry Moreau wrote: Incidentally, you say you [the design team] had good *documented* reasons for implementing DURZ *as*you*did*. Did you document why any of unknown/proprietary/foreign signature algorithm code(s) were not possible (this was an