Secure Hash Function Properties

Preimage, Second-preimage, and Collision Resistance

What makes a hashing function secure? Well before answering this, let’s define what a hashing function is and understand its purpose regarding cybersecurity. A hashing function is an irreversible cryptographic function that takes in an input and produces a unique, fixed-size, and compressed numerical value called a…

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Alexis Rodriguez

Alexis Rodriguez

1.4K Followers

I am an ex-Pen tester, now App Sec Engineer @ AWS, who writes about cybersecurity and anything related to technology. Opinions are my own.