base16ct

Pure Rust implementation of Base16 a.k.a hexadecimal (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

1.0.0 215M downloads/mo #473 most downloaded on crates.io RustCrypto/formats

What this package is like to depend on

Last release 7 months ago

03 Jan 2026

Ships fairly regularly

a new release about every 1.1 years

Nearly every release is documented

notes for 5 of 5 stable releases

1 version withdrawn

withdrawn after publishing

5 years old

6 releases · first in 2022

1 release in the last 12 months

see the full history below

Release timeline

6 releases · Jan 2022 to Jan 2026

2023 2024 2025 2026

Release Pre-release Withdrawn

Releases

latest 6

1.0.0 03 Jan 2026
Release notes
Fixed
- Switch from doc_auto_cfg to doc_cfg (#2072)
Open source →
0.3.0 20 Aug 2025
Release notes
Changed
- Upgrade to 2024 edition; MSRV 1.85 (#1670)
- Use core::error:Error (#1842)
Removed
- std feature (#2004)
Open source →
0.2.0 26 Feb 2023
Release notes
Changed
- MSRV 1.60 (#802)
- Lint improvements (#824)
Open source →
0.1.1 15 Jan 2022
Release notes
Added
- HexDisplay type (#329)
Open source →
0.1.0 13 Jan 2022
Release notes
- Initial release
Open source →
0.0.0 11 Jan 2022 withdrawn

Nothing published for this version

base16ct

What this package is like to depend on

Release timeline

Releases

Fixed

Changed

Removed

Changed

Added

Every package, every release, already written down.