Re: complexity classes and crypto algorithms

2006-06-21 Thread Leichter, Jerry
| > First off you have a basic problem in definition: You have to specify | > *one* hash with *one* output size, but NP-completeness has to do with | > asymptotic behavior. For any hash producing a fixed-size output string, | > there is a deterministic machine that runs in time O(1) that computes

Re: complexity classes and crypto algorithms

2006-06-13 Thread leichter_jerrold
| What kind of problems do people run into when they try to make | cryptographic algorithms that reduce to problems of known complexity? | I'm expecting that the literature is full of such attempts, and one | could probably spend a lifetime reading up on them, but I have other | plans and would app

complexity classes and crypto algorithms

2006-06-13 Thread Travis H.
What kind of problems do people run into when they try to make cryptographic algorithms that reduce to problems of known complexity? I'm expecting that the literature is full of such attempts, and one could probably spend a lifetime reading up on them, but I have other plans and would appreciate a