Mathias Bynens • 3/25/2014

PBKDF2+HMAC hash collisions explained

This technical article analyzes a specific PBKDF2-HMAC-SHA1 hash collision. It explains the cryptographic principle behind the collision, where a key longer than the hash function's block size is hashed first. The post includes a Node.js script to verify the collision and discusses the implications for password hashing security.

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#cryptography #Sha1 #Hmac