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"tag:"prng""


Title and summary Date/time
1
Cracking Random Number Generators - Part 4
In Part 3 of this series, we investigated the Mersenne Twister, and saw how with 624 consecutive integers obtained from it, we can predict every subsequent integer it will produce. In this part, we will look at how to calculate previous integers that it ...
25/09/2010
1:40:58 AM
2
Cracking Random Number Generators - Part 3
In Part 1 and Part 2 of this series we focussed on one of the simplest PRNG's, the linear congruential PRNG. We looked at detail into Java's implementation, and then wrote algorithms to crack the seed, and to calculate previous seeds from the current ...
22/09/2010
11:07:21 PM
3
Cracking Random Number Generators - Part 2
In Part 1 of this series, we saw how simple it is to predict future values generated by a linear congruential PRNG. In this part, we will look at how to calculate past values generated by a linear congruential PRNG. Undoing three simple operations ...
21/09/2010
6:38:47 PM
4
Cracking Random Number Generators - Part 1
This is the first in a series of posts I'm going to give on how to crack common random number generators. Random number generators are a key part of web security. They are used all over the place, from session tokens to tokens to sent to an email ...
20/09/2010
9:41:01 PM