rain
A family of fast, compact hash functions (Rainbow and Rainstorm) with C++ and Node.js/WASM implementations, passing all SMHasher3 tests.
What is rain?
Rain is a collection of high-performance hash functions, including the non-cryptographic Rainbow and the experimental cryptographic Rainstorm. It provides fast, compact implementations for generating 64-bit to 512-bit hashes, with both C++ and Node.js/WASM versions. The project solves the need for efficient, quality-tested hashing in general-purpose and security-sensitive applications.
Developers and researchers needing fast, reliable hash functions for data integrity checks, benchmarking, or experimental cryptographic hashing. It's suitable for those working in C++, Node.js, or browser environments.
Rain offers exceptional speed (up to 6 GiB/s), passes all SMHasher3 tests, and maintains a codebase under 140 lines for readability. Its dual-algorithm approach provides flexibility for both non-cryptographic and experimental cryptographic use cases.
Overview
The fastest 128-bit and 256-bit hash, passes all tests, and under 140 source lines of code. API library and CLI tool in C++ and NodeJS/Wasm
Use Cases
Best For
- Generating fast non-cryptographic checksums for large datasets
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