Re: Another entry in the internet security hall of shame....

2005-09-07 Thread Peter Gutmann
Alaric Dailey [EMAIL PROTECTED] writes: While I admit that PKI is flawed, I don't see anyway that PSK could used effectively. How are PSKs going to be shared in a secure way? are we talking about generating a new key for every connection? if so how do you validate the key? if not, how do

Re: Another entry in the internet security hall of shame....

2005-09-07 Thread Alaric Dailey
Peter Gutmann wrote: Alaric Dailey [EMAIL PROTECTED] writes: While I admit that PKI is flawed, I don't see anyway that PSK could used effectively. How are PSKs going to be shared in a secure way? are we talking about generating a new key for every connection? if so how do you validate

Re: Another entry in the internet security hall of shame....

2005-09-07 Thread Stephan Neuhaus
Peter Gutmann wrote: Alaric Dailey [EMAIL PROTECTED] writes: In my opinion, PSK has the same problems as all symmetric encryption, its great if you can share the secret securely, but distribution to the masses makes it infeasible. Exactly, PSK's are infeasible, and all those thousands of web

Re: Another entry in the internet security hall of shame....

2005-09-07 Thread Anne Lynn Wheeler
Alaric Dailey wrote: ATMs would be infeasible if they were not a 2 factor authentication system, and every day we see more cracks in the way that system is implemented. Starting with the way the PSKs are shared. http://news.bbc.co.uk/1/hi/technology/4183330.stm ATMs use something you

Re: [Anti-fraud] Re: Another entry in the internet security hall of shame....

2005-09-07 Thread Ian G
Alaric Dailey wrote: Thus ATMs and the weak 2 factor authentication system they use are untrustworthy, I knew that already, but as I said, its better than not having the multifactor authentication. The fact that many cards may be used as credit card and you thus bypass the second factor, is a