Talk in English - US at Pacific Northwest PHP Conference
View Slides: https://speakerdeck.com/sammyk/lets-get-random-under-the-hood-of-php-7-s-csprng-pnwphp-2017
Short URL: https://joind.in/talk/da53c (QR-Code (opens in new window))
Randomness is really important in many cryptographic contexts. Unfortunately true randomness is a non-trivial achievement for computers. In fact, using weak sources of randomness can leave your application open to myriad vulnerabilities. Enter: a good cryptographically secure pseudorandom number generator (CSPRNG). We'll discuss the importance of using good sources of randomness, the CSPRNG options we had in PHP 5.x, and how the new-goodness CSPRNG functions in PHP 7 work under the hood.