PK -> OTP?

2005-03-15 Thread Matt Crawford
My educated-layman's opinion is that the following is not feasible, but I'd be happy to be shown wrong ... Given a closed public-key device such as a typical smart card with its limited set of operations (chiefly "sign"), is it possible to implement a challenge/response function such that * Bo

Re: PK -> OTP?

2005-03-20 Thread Amir Herzberg
Matt Crawford wrote: My educated-layman's opinion is that the following is not feasible, but I'd be happy to be shown wrong ... Given a closed public-key device such as a typical smart card with its limited set of operations (chiefly "sign"), is it possible to implement a challenge/response fun

Re: PK -> OTP?

2005-03-20 Thread Matt Crawford
My educated-layman's opinion is that the following is not feasible, but I'd be happy to be shown wrong ... Given a closed public-key device such as a typical smart card with its limited set of operations (chiefly "sign"), is it possible to implement a challenge/response function such that * Both