HighwayHash
Fast, strong hash functions including SipHash and HighwayHash, offering high-speed SIMD implementations with security claims.
What is HighwayHash?
HighwayHash is a collection of fast, strong hash functions including SipHash and the newer HighwayHash algorithm. It provides cryptographically secure hashing with high performance, leveraging SIMD instructions for speed. The project solves the need for well-distributed, unpredictable hashes that can replace weaker functions in applications like hash tables, message authentication, and data integrity checks.
Developers and engineers working on performance-critical systems requiring secure hashing, such as network packet authentication, hash table implementations, checksum verification, and A/B experiment randomization.
HighwayHash offers a unique combination of speed and security, with HighwayHash being up to 5x faster than SipHash for certain inputs. Its runtime dispatch ensures optimal performance across different CPUs, and its frozen API guarantees stability for long-term use.
Overview
Fast strong hash functions: SipHash/HighwayHash
Use Cases
Best For
- Replacing weak hash functions in performance-sensitive applications
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