Cooking with credentials – pepper
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No meal is complete without salt AND pepper. No password hashing scheme is truly secure without both, either!
Security
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Cooking with credentials – salting
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Learn how to securely hash and anonymize user passwords in PHP using native functions that automatically apply salt.
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Cooking with credentials – the basics
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There are many ways to store user credentials for verification on the application side. Of all of them, only hashing is considered secure.
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Why phishing attacks succeed
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Phishing is all too common and far too successful, even today. What are some ways these scams succeed and how can you avoid them?
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A Libsodium-based secure remote password scheme for PHP
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Let’s geek out on my favorite form of authentication – not sending passwords over the wire in the first place!
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Self-obfuscating value objects
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Sometimes, certain design patterns can aid in security as well as reusability of code. Let’s look at value objects as an example.
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Securing tokens in PHP
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Learn how password reset and other tokens can be secured by splitting the data and leveraging common password hash methodologies.
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Cryptopals: Set 1 – challenge 5
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Breaking encryption is fun. Building an encryption cipher is even more so! Let’s continue our Cryptopals journey with XOR.
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Cryptopals: Set 1 – challenge 4
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Now that we know how to crack a single-byte XOR cipher, let’s expand and crack even more through Cryptopals’ next challenge.
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Cryptopals: Set 1 – challenge 3
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Next up in our Cryptopals walkthrough is some frequency analysis against simple cryptographic keys. Let’s have some fun!