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Encryption for Organizations and Individuals: Basics of Contemporary and Quantum Cryptography
book

Encryption for Organizations and Individuals: Basics of Contemporary and Quantum Cryptography

by Robert Ciesla
August 2020
Beginner to intermediate
297 pages
5h 25m
English
Apress
Content preview from Encryption for Organizations and Individuals: Basics of Contemporary and Quantum Cryptography
© Robert Ciesla 2020
R. CieslaEncryption for Organizations and Individualshttps://doi.org/10.1007/978-1-4842-6056-2_3

3. The AES and Other Established Cryptographic Technologies

Robert Ciesla1 
(1)
HELSINKI, Finland
 

By now, you’re aware of some historically relevant cryptographic concepts and how prime numbers relate to encryption algorithms. In this chapter we’re moving on to the current-day de facto cryptographic staple, the Advanced Encryption Standard (AES), in addition to tackling many other relevant concepts in the field. We will first visit some basics, including the two major numeric systems in computer science: binary and hexadecimal, for those who feel they need a refresher.

Variables and Arrays 101

Since AES incorporates matrices (i.e., multidimensional ...

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