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kpatsak 2008-02-19 03:08

On discrete logs
I'd like to know if there's a class of prime numbers where the discrete log can be computed more efficiently, or if there's an algorithm(besides brute force) that can speed up the computation of discrete log when knowing an upper bound

maxal 2008-02-19 04:44

time to compute discrete logs modulo prime p is very sensitive to prime factorization of p-1. in particular, it becomes easy if all prime factors of p-1 are small, and hard if p-1 has a large prime factor.

as of algorithms - take a look at [url][/url]

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