Abstract
Let \((\Omega ,{\mathcal A},\Pr )\) be a fixed probability space. Let S = {s 1, s 2, s 3, …, s n} be a finite set, and let X : Ω → S be a random variable with distribution function f X : S → [0, 1], \(f_X(s_i) = \Pr (X=s_i)\).
Access this chapter
Tax calculation will be finalised at checkout
Purchases are for personal use only
References
A.G. Konheim, Cryptography: A Primer (Wiley, New York, 1981)
C.E. Shannon, A mathematical theory of communication. Bell Syst. Tech. J. 27(3), 379–423 (1948)
C.E. Shannon, A mathematical theory of communication. Bell Syst. Tech. J. 27, 623–656 (1948)
Author information
Authors and Affiliations
Rights and permissions
Copyright information
© 2022 Springer Nature Switzerland AG
About this chapter
Cite this chapter
Underwood, R.G. (2022). Information Theory and Entropy. In: Cryptography for Secure Encryption. Universitext. Springer, Cham. https://doi.org/10.1007/978-3-030-97902-7_3
Download citation
DOI: https://doi.org/10.1007/978-3-030-97902-7_3
Published:
Publisher Name: Springer, Cham
Print ISBN: 978-3-030-97901-0
Online ISBN: 978-3-030-97902-7
eBook Packages: Mathematics and StatisticsMathematics and Statistics (R0)