Re: [IPsec] Beginning the PAKE selection process

2010-05-25 Thread Nicolas Williams
On Tue, May 25, 2010 at 04:24:38PM -0500, Nicolas Williams wrote: > A thought about PAKEs and ZKPPs... I should also mention that the benefits of the SCRAM-with-cb approach: a) simplicity (doesn't get much simpler!), b) this is completely unencumbered to the best of my knowledge[*]. The one downs

Re: [IPsec] Beginning the PAKE selection process

2010-05-25 Thread Nicolas Williams
A thought about PAKEs and ZKPPs... In the SASL space we pursued a DIGEST-MD5-like mechanism. Yup, SCRAM is vulnerable to off-line dictionary attacks by passive attackers. Except that SCRAM is intended to be used with channel binding to TLS, with confidentiality protection from the same TLS chann

Re: [IPsec] Working Group LC: draft-ietf-ipsecme-ipsec-ha-03

2010-05-25 Thread Yaron Sheffer
With 5 more days to go, this is a quick reminder to review the problem statement draft so we can move it along, and get to the juicy protocol stuff. This time around, we will take silence as agreement. Thanks, Yaron On 05/16/2010 03:53 PM, Yaron Sheffer wrote: This is to begin a 2 we

Re: [IPsec] PAKE Selection: HUSH

2010-05-25 Thread Yaron Sheffer
Following up on my previous mail, the IPR statement for HUSH is now available as https://datatracker.ietf.org/ipr/1324/. Thanks, Yaron On 05/25/2010 12:19 PM, Yaron Sheffer wrote: Per Paul's request, here is an evaluation of the HUSH proposal (http://tools.ietf.org/html/draft-sheffer-i

[IPsec] PAKE Selection: HUSH

2010-05-25 Thread Yaron Sheffer
Per Paul's request, here is an evaluation of the HUSH proposal (http://tools.ietf.org/html/draft-sheffer-ipsecme-hush-00) according to Dan's criteria draft. Comments and questions are more than welcome. In summary, HUSH is an adaptation of Bellovin's and Merritt's Encrypted Key Exchange (EKE)