Paragon Initiative Enterprises Blog

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

The Quick Guide to Simple and Secure Automatic Updates

How to build your own automatic update system that is verifiably secure.


Libsodium Quick Reference: Similarly-Named Functions and Their Use-Cases

A quick comparison of libsodium functions with similar names/purposes, and which one to use for a specific use case


Building Searchable Encrypted Databases with PHP and SQL

How to implement field-level data encryption while still allowing fast queries.


Checklist-Driven Security Considered Harmful

Application security has a checklist problem; we propose a better way forward.


No Way, JOSE! Javascript Object Signing and Encryption is a Bad Standard That Everyone Should Avoid

JWT, JWE, JWS, etc. are terrible designs and need to be scrapped, not resuscitated.


Split Tokens: Token-Based Authentication Protocols without Side-Channels

A Brief Introduction to our Split Token Approach


Cryptographically Secure PHP Development

Your field guide to building secure cryptography features in PHP


Configuration-Driven PHP Security Advice Considered Harmful

A lot of articles posted online that claim to be about PHP security are patently false and misleading.


Let's Make 2017 the Year of Simply Secure PHP Cryptography

Our plan to make libsodium a core PHP extension and write a userland polyfill for PHP 5.2.4+


Everything You Know About Public-Key Encryption in PHP is Wrong

The perils and pitfalls involved with implementing public-key encryption in a PHP project, and how to do it right.


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