Re: MD6 withdrawn from SHA-3 competition

2009-07-06 Thread Paul Hoffman
At 10:39 AM -0700 7/4/09, Hal Finney wrote: But how many other hash function candidates would also be excluded if such a stringent criterion were applied? Or turning it around, if NIST demanded a proof of immunity to differential attacks as Rivest proposed, how many candidates have offered such a

Re: MD6 withdrawn from SHA-3 competition

2009-07-06 Thread Ray Dillinger
On Sat, 2009-07-04 at 10:39 -0700, Hal Finney wrote: Rivest: Thus, while MD6 appears to be a robust and secure cryptographic hash algorithm, and has much merit for multi-core processors, our inability to provide a proof of security for a reduced-round (and possibly