Blind signatures with DSA/ECDSA?

2004-04-28 Thread An Metet
Here is the blind DSA signature based on MacKenzie and Reiter, http://www.ece.cmu.edu/~reiter/papers/2001/CRYPTO.pdf, in graphical form. Recall that a DSA public key is p, q, g, y; private key x; signature on hash h is: Choose k q r = g^k mod p mod q s = rx/k + h/k mod q Output (r,s) Here is

Diebold knew of legal risks

2004-04-28 Thread R. A. Hettinga
http://www.oaklandtribune.com/cda/article/print/0,1674,82%257E1865%257E2095811,00.html Oakland Tribune Diebold knew of legal risks Attorneys warned firm that use of uncertified vote-counting software violated state law By Ian Hoffman STAFF WRITER Tuesday, April 20, 2004 - Attorneys for

Is there a Brands certificate reference implementation?

2004-04-28 Thread R. A. Hettinga
--- begin forwarded text Subject: Is there a Brands certificate reference implementation? From: Steve Furlong [EMAIL PROTECTED] To: [EMAIL PROTECTED], [EMAIL PROTECTED] Date: 25 Apr 2004 12:14:30 -0400 Sender: [EMAIL PROTECTED] Does anyone know of a reference implementation for Stefan Brands's

Re: Bank transfer via quantum crypto

2004-04-28 Thread Ian Grigg
Ivan Krstic wrote: I have to agree with Perry on this one: I simply can't see a compelling reason for the push currently being given to ridiculously overpriced implementations of what started off as a lab toy, and what offers - in all seriousness - almost no practical benefits over the proper

Cracking secrets

2004-04-28 Thread R. A. Hettinga
http://www.hinduonnet.com/thehindu/thscrip/print.pl?file=2004042600110200.htmdate=2004/04/26/prd=ew; snip... Cracking secrets A WHOLE book of secrets is what S.C. Coutinho gives in The Mathematics of Ciphers, published by Universities Press (www.orientlongman.com) . A leisurely journey,

How to WASTE and want not

2004-04-28 Thread R. A. Hettinga
http://www.infoshop.org/inews/stories.php?story=04/04/25/8454965 Infoshop News - How to WASTE and want not posted by j1o2n3a4s5 on Sunday April 25 2004 @ 05:14PM PDT WASTE would have to be pretty close to what you'd come up with. WASTE provides a way for you to create secure ad hoc p2p

The future of security

2004-04-28 Thread Graeme Burnett
Hello folks, I am doing a presentation on the future of security, which of course includes a component on cryptography. That will be given at this conference on payments systems and security: http://www.enhyper.com/paysec/ Would anyone there have any good predictions on how cryptography is going

Re: Paying for drinks with wave br of the hand

2004-04-28 Thread sunder
R. A. Hettinga wrote: http://worldnetdaily.com/news/printer-friendly.asp?ARTICLE_ID=38038 WorldNetDaily Wednesday, April 14, 2004 YOUR PAPERS, PLEASE ... Paying for drinks with wave of the hand Club-goers in Spain get implanted chips for ID, payment purposes Posted: April 14, 2004 5:00 p.m.

Certicom Announces Elliptic Curve Cryptography Challenge Winner

2004-04-28 Thread R. A. Hettinga
http://www.prnewswire.com/cgi-bin/stories.pl?ACCT=SVBIZINK3.storySTORY=/www/story/04-27-2004/0002160357EDATE=TUE+Apr+27+2004,+07:08+AM Silicon Valley Biz Ink :: The voice of the valley economy April 27, 2004 Computers/Electronics News Press release distributed by PR Newswire

Mathematicians From Around the World Collaborate to Solve Latest RSA Factoring Challenge

2004-04-28 Thread R. A. Hettinga
Duelling crypto-crack press-releases this morning. Ford vs. GM, er, Certicom vs. RSA... Cheers, RAH --- http://www.prnewswire.com/cgi-bin/stories.pl?ACCT=SVBIZINK3.storySTORY=/www/story/04-27-2004/0002160593EDATE=TUE+Apr+27+2004,+09:00+AM Silicon Valley Biz Ink :: The voice of the valley

[Politech] A criticism of Gmail and a call for encryption everywhere [priv]

2004-04-28 Thread R. A. Hettinga
--- begin forwarded text Date: Tue, 27 Apr 2004 12:33:54 -0400 From: Declan McCullagh [EMAIL PROTECTED] User-Agent: Mozilla Thunderbird 0.5 (Macintosh/20040208) To: [EMAIL PROTECTED] Subject: [Politech] A criticism of Gmail and a call for encryption everywhere [priv] List-Id: Declan

Can Skype be wiretapped by the authorities?

2004-04-28 Thread Axel H Horns
Is something known about the details of the crypto protocol within Skype? How reliable is the encryption? See e.g. http://www.financialcryptography.com/mt/archives/76.html Can Skype be wiretapped by the authorities? With collaboration of the Skype operator? Without? Axel H Horns

UC San Diego Engineering Professor Wins Guggenheim Fellowship

2004-04-28 Thread R. A. Hettinga
http://www.ascribe.org/cgi-bin/spew4th.pl?ascribeid=20040427.130050time=15%2000%20PDTyear=2004public=1 Tue Apr 27 15:00:10 2004 Pacific Time UC San Diego Engineering Professor Wins Guggenheim Fellowship SAN DIEGO, Calif., April 27 (AScribe Newswire) -- A computer scientist and

[Publicity-list] DIMACS Workshop on Security Analysis of Protocols

2004-04-28 Thread Linda Casals
* DIMACS Workshop on Security Analysis of Protocols June 7 - 9, 2004 DIMACS Center, CoRE Building, Rutgers University, Piscataway, NJ Organizers: John Mitchell, Stanford, [EMAIL PROTECTED] Ran Canetti, IBM Watson, [EMAIL