25 votes

Current mathematics theory used in cryptography/coding theory

Finite fields - which is a branch of algebra - is a must. It is, in some way, used in almost all types of cryptographic algorithms. Also, you need some sort of basic programming ability since you ...
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5 votes

Current mathematics theory used in cryptography/coding theory

Discrete mathematics, especially number theory and group theory is probably the most important part of mathematics related to cryptography. Number theory, group theory and logic are important subjects ...

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