From: roob noob <lists@...>
Date: 2012-07-25T22:21:40+09:00
Subject: modular exponentation with multiple exponents?

I need to do a^b^c^d^e mod f

I can do a^b mod f like this

a.to_bn.mod_exp(b,f)

but I have no clue how to do it when it is a^b^c^d^e mod f, and I can't
seem to find anyway to do it in ruby or with math in general,

anyone care to point me in the right direction please? thanks!

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