background
ISAAC is a CSPRNG designed by Robert J. Jenkins Jr. based on RC4 in 1996 . It is designed to be fast and safe.
effect
Fast, high-quality pseudo-random number generator.
Various programming languages
https://rosettacode.org/wiki/The_ISAAC_Cipher
Principle introduction
Because it is based on the RC4 algorithm, you can understand the RC4 algorithm before understanding its principle. For details, please refer to this article https://www.cnblogs.com/gambler/p/9075415.html ,