This solution, like others based on the same principle, may not scale past ~150,000 users because of clock drift problems.
Cheers -- Ed Gerck Marc Branchaud wrote: > Any thoughts on this device? At first glance, it doesn't seem > particularly impressive... > > http://www.quizid.com/ > > Lovely idea of two-factor authentication: > > The user then enters their user name (something they know) and the > 8-digit Quizid passcode (something they have) into the login screen > of their application. > > BBC NEWS | Technology | Handy future for online security > http://news.bbc.co.uk/1/hi/technology/2334491.stm > > Excerpt from the BBC article: > > Users are issued with a card and a personal code, based on a set of > colour keys on the card. Each time they wish to conduct a secure > transaction, they punch in the colour code and a random number is > generated. > > M. > > --------------------------------------------------------------------- > The Cryptography Mailing List > Unsubscribe by sending "unsubscribe cryptography" to [EMAIL PROTECTED]
