A lesson on cryptographically secure pseudorandom number generators in PHP, and how to generate random integers and strings from a high quality entropy source like /dev/urandom to generate secure random passwords in PHP.
Alternative title: "Libmcrypt considered harmful." You should use libsodium if you can, or OpenSSL if you can't.
A developer's short guide to encryption, authentication, and authenticated encryption with examples in PHP
Login forms with a remember me checkbox are a common requirement. We explore the security of login forms and a robust model for remember me checkboxes.
Secure code delivery is a hard problem; one which we aspire to solve.
Will tomorrow bring costly and embarrassing data breaches? Or will it bring growth, success, and peace of mind?
Our team of technology consultants have extensive knowledge and experience with application security and web/application development.
We specialize in cryptography and secure PHP development.
Want the latest from Paragon Initiative Enterprises delivered straight to your inbox? We have two newsletters to choose from.
The first mails quarterly and often showcases our behind-the-scenes projects.
The other is unscheduled and gives you a direct feed into the findings of our open source security research initiatives.