RE: Forward Security Question

2001-11-19 Thread Amir Herzberg
Seems that RFC 2828 only clarifies that not all people agree on a definition. Let me try to clarify, and since I'm just about to complete the lecture and chapter covering this area in my `secure communication and commerce` course (and book), I'll really appreciate comments/corrections. In

Re: Forward Security Question

2001-11-19 Thread David Jablon
[Std1363] defines forward secrecy as the property that: ... prevents a passive opponent who merely recorded past communications encrypted with the shared secret keys from decrypting them some time in the future by compromising the partiesÂ’ cryptographic state. To

Re: Forward Security Question

2001-11-19 Thread David Jablon
As further precedent, [JV96] provides a definition and rationale for FS in preference to PFS: A key agreement protocol provides *forward secrecy* (perfect forward secrecy in [7] and [9]) if the loss of any long-term secret keying material does not allow the compromise of keys from previously

Re: Forward Security Question

2001-11-18 Thread Antonomasia
Anonymous asks: I have recently been reading about password-based authentication schemes, especially EKE and its variants. The papers I've read on EKE, DH-EKE, and SPEKE all refer to their perfect forward security, though I have been unable to find a formal definition of this property,

Re: Forward Security Question

2001-11-18 Thread Paul Krumviede
--On Sunday, 18 November, 2001 12:30 -0800 AARG!Anonymous [EMAIL PROTECTED] wrote: Hi All, I have recently been reading about password-based authentication schemes, especially EKE and its variants. The papers I've read on EKE, DH-EKE, and SPEKE all refer to their perfect forward