Paragon Initiative Enterprises Blog

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

Introducing PASERK, the First PASETO Extension, for Key Wrapping and Serialization

PASERK adds public-key encryption, key-wrapping, key serialization, and unique key identification to PASETO.


PASETO is an Even More Secure Alternative to the JOSE Standards (JWT, etc.)

Announcing new versions of the PASETO protocol, which offer better arguments for security in a wider range of use cases.


Ristretto255 for the PHP Community

Introducing Ristretto255 for PHP developers


Improving the Cryptography of the JavaScript Ecosystem

We'll be doing for JavaScript (Node.js) what we've been doing for PHP for several years now.


WordPress 5.2: Mitigating Supply-Chain Attacks Against 33% of the Internet

We wrote a cryptography library entirely in PHP to make your WordPress site secure against supply-chain attacks.


Slice Of PIE #00

Slice of PIE is a new mini-series


Security Concerns Surrounding WebAuthn: Don't Implement ECDAA (Yet)

If you're planning on implementing the W3C and FIDO Alliance's new WebAuthn standard for hardware security token support, skip ECDAA for now.


How and Why Developers Use Asymmetric (Public Key) Cryptography in Real-World Applications

A brief overview of the various common use-cases of asymmetric cryptography (also known as "public-key cryptography") from the perspective of a software developer.


Protecting RSA-based Protocols Against Adaptive Chosen-Ciphertext Attacks

A deep dive into preventing chosen-ciphertext (e.g. padding oracle) attacks against RSA in custom encrypted transport protocols.


Certainty: Automated CACert.pem Management for PHP Software

Our new open source library, which keeps your Certificate Authority certificate bundle up-to-date.


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