Laravel Tech Community
May 9, 2021 · Backend Development
hash_equals() – Constant‑Time String Comparison to Prevent Timing Attacks
The article explains PHP's hash_equals() function, which performs a constant‑time comparison of two strings to mitigate timing attacks, describes its parameters and return value, and provides example code demonstrating correct and incorrect usage with crypt() hashes.
PHPhash_equalssecurity
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