Re: Fast MAC algorithms?

2009-07-23 Thread Joseph Ashwood
-- From: Nicolas Williams nicolas.willi...@sun.com Sent: Tuesday, July 21, 2009 10:43 PM Subject: Re: Fast MAC algorithms? But that's not what I'm looking for here. I'm looking for the fastest MACs, with extreme security considerations (e.g.,

Re: New Technology to Make Digital Data Disappear, on Purpose

2009-07-23 Thread Jerry Leichter
On Jul 21, 2009, at 10:48 PM, Perry E. Metzger wrote: d...@geer.org writes: The pieces of the key, small numbers, tend to =93erode=94 over time as they gradually fall out of use. To make keys erode, or timeout, Vanish takes advantage of the structure of a peer-to-peer file system. Such

Re: Fast MAC algorithms?

2009-07-23 Thread Peter Gutmann
mhey...@gmail.com mhey...@gmail.com writes: 2) If you throw TCP processing in there, unless you are consistantly going to have packets on the order of at least 1000 bytes, your crypto algorithm is almost _irrelevant_. [...] for a Linux 2.2.14 kernel, remember, this was 10 years ago. Could the

Re: Fast MAC algorithms?

2009-07-23 Thread mhey...@gmail.com
On Thu, Jul 23, 2009 at 1:34 AM, Peter Gutmannpgut...@cs.auckland.ac.nz wrote: mhey...@gmail.com mhey...@gmail.com writes: 2) If you throw TCP processing in there, unless you are consistantly going to have packets on the order of at least 1000 bytes, your crypto algorithm is almost _irrelevant_.

Re: Fast MAC algorithms?

2009-07-23 Thread Nicolas Williams
On Thu, Jul 23, 2009 at 05:34:13PM +1200, Peter Gutmann wrote: mhey...@gmail.com mhey...@gmail.com writes: 2) If you throw TCP processing in there, unless you are consistantly going to have packets on the order of at least 1000 bytes, your crypto algorithm is almost _irrelevant_. [...] for a

Re: Fast MAC algorithms?

2009-07-23 Thread james hughes
Note for Moderator. This is not crypto but TOE being the solution to networking performance problems is a perception that is dangerous to leave in the crypto community. On Jul 23, 2009, at 11:45 PM, Nicolas Williams wrote: On Thu, Jul 23, 2009 at 05:34:13PM +1200, Peter Gutmann wrote: