Re: Book on Pre-MATH for cryptography and cryptanalysis. Reply

rolof789@xxxxxxxx wrote:
What abstract algebra subject's should I home in on?

Group theory (not group representations, however);
elementary number theory (esp. modular arithmetic);
finite fields;
maybe rings and lattices.
There are of course other useful math topics, but the
above are essential if you want to do any real research
in modern encryption schemes.
Some people think computational complexity theory is
important, and you need to understand the rudiments to
read some of the literature.
A certain amount (not a lot) of set theory etc. is needed
to cope with math papers in general.
.

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