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!
PHP
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String comparison in PHP
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PHP ships with multiple, native mechanisms for comparing arbitrary string values. Let’s take a closer look at two that quantify “sameness.”
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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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Basic cryptography – the Vigenere cipher
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The Vigenere cipher is more complicated that the Caesar cipher but based on the same idea. It uses a running key to keep your message secure.
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Modulo exponentiation in PHP – three ways
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Modulo exponentiation lies at the core of most modern crypto. Learn three different ways to perform this calculation in PHP.
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Reducing associative arrays in PHP
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PHP doesn’t natively support passing associative arrays into array_map(). But there are ways to work around this limitation.
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Is PHP a functional programming language?
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So you think PHP is a functional programming language? Let’s look at reasons why it is and why it isn’t.
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Snazzier parameters in PHP 8
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PHP continues to develop and evolve. Today let’s take a closer look at how properties have changed in recent releases.
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Weighted random choice in PHP
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PHP’s native random_int() function can be used to easily create a weighted random choice between multiple, otherwise equal options.