Re: Cryptographic privacy protection in TCPA

2002-09-04 Thread Matt Crawford
The basic idea of using zero-knowledge proofs to create an unlikable anonymous credentials system ... [sic] ! - The Cryptography Mailing List Unsubscribe by sending unsubscribe cryptography to [EMAIL PROTECTED]

Re: Cryptographic privacy protection in TCPA

2002-09-04 Thread Anton Stiglic
Nomen Nescio wrote: It looks like Camenisch Lysyanskaya are patenting their credential system. This is from the online patent applications database: http://appft1.uspto.gov/netacgi/nph-Parser?Sect1=PTO2Sect2=HITOFFp=1u=/ne

Re: Palladium and malware

2002-09-04 Thread Bill Frantz
At 9:00 PM -0700 8/30/02, Nomen Nescio wrote: Bill Frantz writes, regarding the possibility that the Palladium architecture could be designed to resist the use of encrypted code: All general purpose computers require a way to move data space to code space to support compilation. Well, this is

Re: Constructing capability URLs

2002-09-04 Thread lists
From: Ng Pheng Siong [EMAIL PROTECTED] A URL concocted by my app looks like this: https://whatever/object?action=somethingexpiry=timevalcap=XXYYZZ The cap at the end is supposed to be a capability. ;-) cap = hmac-sha1(key, /object?action=somethingexpiry=timeval) 1. Is the construction

Re: [e-lang] Constructing capability URLs

2002-09-04 Thread Mark S. Miller
At 10:53 PM 9/3/2002 Tuesday, Ng Pheng Siong wrote: (Pardon the crossposting.) Hi, I'm building a web app which, rather typically of web apps, constructs URLs on the fly. A URL concocted by my app looks like this: https://whatever/object?action=somethingexpiry=timevalcap=XXYYZZ The cap at

Announcement: Cypherpunks meeting/party/BBQ, Tim May's house (fwd)

2002-09-04 Thread R. A. Hettinga
--- begin forwarded text Status: RO Mailing-List: contact [EMAIL PROTECTED]; run by ezmlm Date: Wed, 4 Sep 2002 19:09:03 +0200 (CEST) From: Eugen Leitl [EMAIL PROTECTED] To: [EMAIL PROTECTED] Subject: Announcement: Cypherpunks meeting/party/BBQ, Tim May's house (fwd) -- -- Eugen* Leitl a

Re: Constructing capability URLs

2002-09-04 Thread Don Davis
At 1:53 PM +0800 9/4/02, Ng Pheng Siong wrote: I'm building a web app which... constructs URLs on the fly. ... I'm creating the capability thusly: cap = hmac-sha1(key, /object?action=somethingexpiry=timeval) My questions: ... 2. The key is created from /dev/random. How long should it

new attack on des

2002-09-04 Thread Don Davis
does anyone know of an on-line copy of this paper? - don davis, boston http://www.ece.wpi.edu/research/crypt/seminar/ A New Class of Side-Channel Attacks on DES, Prof. Christof Paar, Chair for Communication Security, Ruhr-University Bochum, Germany Thursday,