Paragon Initiative Enterprises Blog

The latest information from the team that develops cryptographically secure PHP software.

Untangling the Forget-Me Knot: Secure Account Recovery Made Simple

How to implement a secure and robust "I forgot my password" system.


HTTPS Made Easy: Setting up Caddy for PHP 7 on Debian Jessie

How to setup the Caddy webserver to work with PHP 7 on Debian Jessie


Constant-Time Encoding: Boring Cryptography, RFC 4648, and You

The case for character encoding that is safe to use to encode cryptographic secrets.


How to Generate Secure Random Numbers in Various Programming Languages

This blog post will maintain the industry best practices for securely generating random data in Ruby, Node.js, Java, etc.


Solve All Your Cryptography Problems in 3 Easy Steps

A layman's introduction to using Halite, our libsodium wrapper


Securely Implementing (De)Serialization in PHP

Deserializing a string into a data structure is a simple task riddled with security holes.


Client Authenticity is Not the Server's Problem

The answer to a very frequently asked question that most people in the industry know without needing to read this.


One Login To Rule them All - Seamless and Secure Cross-Domain Authentication

How to authenticate a user on multiple domains without violating the Same Origin Policy.


How to Safely Store Your Users' Passwords in 2016

Salted Password Hashing with Argon2, Scrypt, Bcrypt, and PBKDF2


On The Design and Implementation of a Stealth Backdoor for Web Applications

Or: How I won the password hashing category for the Underhanded Crypto Contest at DEFCON 23.


Need Technology Consultants?

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.

Let's Work Together Towards Success

Our Security Newsletters

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.

Quarterly Newsletter   Security Announcements