Re: Fast MAC algorithms?

2009-07-24 Thread John Gilmore
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_. This is my experience, too. And I would add and lots of packets. The only crypto overhead that really mattered in a

Re: Fast MAC algorithms?

2009-07-24 Thread Peter Gutmann
[I realise this isn't crypto, but it's arguably security-relevant and arguably interesting :-)]. James Hughes hugh...@mac.com writes: TOEs that are implemented in a slow processor in a NIC card have been shown many times to be ineffective compared to keeping TCP in the fastest CPU (where it is

Re: Fast MAC algorithms?

2009-07-24 Thread james hughes
On Jul 24, 2009, at 1:30 PM, Peter Gutmann wrote: [I realise this isn't crypto, but it's arguably security-relevant and arguably interesting :-)]. As long as we think this is interesting, (although I respectfully disagree that there are any inherent security problems with TOE. Maybe

Hacker Says iPhone 3GS Encryption Is ‘Useless’ f or Businesses

2009-07-24 Thread mhey...@gmail.com
From http://www.wired.com/gadgetlab/2009/07/iphone-encryption/: the supposedly enterprise-friendly encryption included with the iPhone 3GS is so weak it can be cracked in two minutes with a few pieces of readily available freeware...“I don’t think any of us [developers] have ever seen

cleversafe says: 3 Reasons Why Encryption is Overrated

2009-07-24 Thread Zooko Wilcox-O'Hearn
[cross-posted to tahoe-...@allmydata.org and cryptogra...@metzdowd.com] Disclosure: Cleversafe is to some degree a competitor of my Tahoe- LAFS project. On the other hand, I tend to feel positive towards them because they open-source much of their work. Our Related Projects page has