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




Paul Rubin wrote:
<rolof789@xxxxxxxx> writes:
Start with elementary group theory. Have you actually tried reading
Koblitz's "Course in number theory and cryptography"? Did you have
trouble with it?


Based on the above I don't think you are ready for Koblitz's book.
It's not a matter of specific knowledge but one of developing
mathematical habits of thought.

Are you a student? Have you had a good calculus class? For example,
do you know what a Taylor series is? If not, you might want to take
a refresher class (or intro class) in calculus before moving past it.

Allow me to disagree. Calculus is unlikely to be useful. A much
better course might be a really good theoretical intro to linear
algebra.
Also useful would be a course in mathematical statistics and
probability at
the level (say) of Hogg & Craig.


There's a book by Fraleigh on elementary abstract algebra which is
supposed to be pretty accessible. My school used it though I haven't
looked at it that much myself.


I like Birkhoff & Barteee: Modern Applied Algebra.

.



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