Some useful things that can be built with a CSPRNG.
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.
What is the potential impact of a given vulnerability? This isn't easy to answer.
Although Cross-Site Scripting is one of the most common vulnerabilities on the Internet, it remains an unsolved problem (unlike SQL Injection).
There are a lot of ways having an online presence can be used against you, and the most basic security decisions are not technical.
The first in a two-part series. We establish a mathematical definition for popularity within a given dataset and build some abuse resistance into the algorithm design.
It's 2015; there's no excuse for writing code vulnerable to SQL Injection any more
Alternative title: "Libmcrypt considered harmful." You should use libsodium if you can, or OpenSSL if you can't.
We're maintaining a curated appsec reading list on Github -- check it out.
A developer's short guide to encryption, authentication, and authenticated encryption with examples in PHP
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.
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