Predicting Math.random()
summary
Explains how Math.random() is implemented in Node.js, naming the pseudorandom number generation algorithm used and how PRNGs work. Demonstrates concrete methods and code examples for predicting values produced by Math.random(), analyzing each method with real code.
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chapters (9)
- 0:00Introduction
- 1:28Problem setup
- 4:22Math.random() internals
- 12:26Xorshift128+ analysis
- 18:38Linear equations solution
- 23:20JavaScript implementation
- 27:51Node.js 8.13 pitfalls
- 30:14Security conclusions
- 31:19Q&A
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