random

Random or not? That is the question!

• Albert Zenkoff
• 2012-09-13
• Technology, layered security, PRNG, Pseudorandom Numbers, random, random number generator, RNG, security, separation by function, technology

Oftentimes, the first cryptography related question you come across while designing a system is the question of random numbers. We need some random numbers in many places when developing web applications: identifiers, tokens, passwords etc. all need to be somewhat unpredictable. The question is, how unpredictable should they be? In other words, what should be ...