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base64ct
librarytested · static-verifiedscore 40/100signed passport ✓published 284d ago · verified 2026-10-2038,214,523 monthly downloads
Pure Rust implementation of Base64 (RFC 4648) which avoids any usages of data-dependent branches/LUTs and thereby provides portable "best effort" constant-time operation and embedded-friendly no_std support
lib:crates:base64ct · published by rustcrypto · source repository