February 15, 2016 by P.I.E. Staff

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

January 4, 2016 by Scott Arciszewski

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

November 15, 2015 by P.I.E. Staff

If you're wondering which cryptography library you should use in your project, this should help make the decision easier.

November 7, 2015 by Scott Arciszewski

Preventing side-channel attacks (i.e. timing attacks on MAC validation) and dangerous compiler optimizations with a blinded comparison.

October 27, 2015 by P.I.E. Staff

The theory and practice of securing file upload form handlers. Our examples are in PHP, but many of the filesystem security concepts here are language agnostic.

September 21, 2015 by P.I.E. Staff

Don't just fix security vulnerabilities, prevent the habits that cause them in the first place.

September 11, 2015 by P.I.E. Staff

If you ever wondered the best way to encrypt a username or row ID for an obfuscated URL in PHP, this is the article for you.

September 9, 2015 by Scott Arciszewski

No matter what language you're developing in, there's really only one cryptography library that shines above the rest.

September 5, 2015 by P.I.E. Staff

With PHP 7 nearing its official release, let's reflect on the state of cryptography in PHP applications.

August 15, 2015 by Scott Arciszewski

We aren't satisfied with the industry's current attempts to teach the basic concepts of application security to software developers; instead, we propose a gentler model.