SipHash24

SipHash: a fast short-input PRF

This is a hash function with a 64-bit output that is designed to be resistant to hash-flooding attacks. The authors are Jean-Philippe Aumasson and Daniel J. Bernstein. The algorithm is supposed to be competitive in speed with MurmurHash.

https://131002.net/siphash/siphash24.c

HASH-FLOODING DOS RELOADED: ATTACKS AND DEFENSES – talk on how to attack common hash functions. Video.

Related page: someone implementing it in Python, and re-implementing it in C. SipHash.

 

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