A friend of mine challenged me to write a function that works with both of these scenarios add(2,4) // 6 add(2)(4) // 6 My instinct was the write an add() function that returns itself but I'm no...

I would like to know if jCryption + Challenge Response Authentication Mechanism are a good alternative to SSL. I know that SSL is very much better, but I'm making a project where the owner don't w...

In challenge-response mechanism (and other systems), it advised not to use time-based nonce. Why it should be avoided?

How does challenge-response authentication prevent man-in-the-middle attacks? I read the wiki article but still I cannot understand.

I'm interested in creating a challenge / response type process in Delphi. The scenario is this...we have 2 computers...1 belongs to the user and 1 belongs to a support technician. The user is lock...

Suppose you want to add an extra layer of credentials on top of a SSL-encrypted login/password, but you don't want to increase complexity to the user. Is there a way to add the requirement of the p...