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chacha20

The ChaCha20 stream cipher (RFC 8439) implemented in pure Rust using traits from the RustCrypto `cipher` crate, with optional architecture-specific hardware acceleration (AVX2, SSE2). Additionally provides the ChaCha8, ChaCha12, XChaCha20, XChaCha12 and XChaCha8 stream ciphers, and also optional rand_core-compatible RNGs based on those ciphers.

Current version0.10.1
LicenseMIT OR Apache-2.0
Total downloads139,387,340
Last updated2026-06-24
Repositoryhttps://github.com/RustCrypto/stream-ciphers
Documentationhttps://docs.rs/chacha20

Categories

CryptographyNo standard library

Keywords

chacha12chacha8cryptostream-cipherxchacha20

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Data as of 2026-07-25 (crates.io database dump, timestamp 2026-07-25T02:00:36Z). Source: crates.io · db-dump.tar.gz · methodology & corrections.