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Merged
newpavlov merged 7 commits into from
Apr 20, 2026
Merged

ascon: refactor implementation #122

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51caf72
ascon: refactor implementation
newpavlov Apr 20, 2026
d1772bb
fix soft-compact
newpavlov Apr 20, 2026
b14f2e6
remove round test
newpavlov Apr 20, 2026
59e0679
use in-place mutation of the state
newpavlov Apr 20, 2026
b36d12c
remove permute1
newpavlov Apr 20, 2026
46837d1
remove zeroize dep
newpavlov Apr 20, 2026
9cb07af
add inline attributes
newpavlov Apr 20, 2026
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23 changes: 7 additions & 16 deletions Cargo.lock
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3 changes: 0 additions & 3 deletions ascon/Cargo.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -12,9 +12,6 @@ keywords = ["Ascon", "crypto", "permutation"]
categories = ["cryptography", "no-std"]
description = "Pure Rust implementation of the Ascon permutation"

[dependencies]
zeroize = { version = "1.6", default-features = false, optional = true }

[lints.rust]
missing_copy_implementations = "warn"
missing_debug_implementations = "warn"
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26 changes: 5 additions & 21 deletions ascon/README.md
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Expand Up @@ -7,25 +7,11 @@
![Rust Version][rustc-image]
[![Project Chat][chat-image]][chat-link]

Pure Rust implementation of the permutation of [Ascon], a family of
authenticated encryption and hashing algorithms designed to be lightweight and
easy to implement.
Pure Rust implementation of the [Ascon] permutation, winner of the
[NIST Lightweight Cryptography] competition.

[Documentation][docs-link]

## About

Ascon is a family of lightweight algorithms built on a core permutation
algorithm. These algorithms include:

- [x] [`ascon-aead128`]: Authenticated Encryption with Associated Data
- [x] [`ascon-hash256`]: Hash functions and extendible-output functions (XOF)
- [ ] Pseudo-random functions (PRF) and message authentication codes (MAC)

Ascon has been selected as [new standard for lightweight cryptography] in the
[NIST Lightweight Cryptography] competition, and has also been selected as the
primary choice for lightweight authenticated encryption in the final
portfolio of the [CAESAR competition].
This is a low-level crate used for implementation of higher-level agorithms,
e.g. [`ascon-hash256`] and [`ascon-aead128`].

## Minimum Supported Rust Version

Expand Down Expand Up @@ -67,7 +53,5 @@ dual licensed as above, without any additional terms or conditions.
[`ascon-aead128`]: https://docs.rs/ascon-aead128
[`ascon-hash256`]: https://docs.rs/ascon-hash256
[RustCrypto]: https://github.com/rustcrypto
[Ascon]: https://ascon.iaik.tugraz.at/
[New standard for lightweight cryptography]: https://www.nist.gov/news-events/news/2023/02/nist-selects-lightweight-cryptography-algorithms-protect-small-devices
[Ascon]: https://ascon.iaik.tugraz.at
[NIST Lightweight Cryptography]: https://csrc.nist.gov/projects/lightweight-cryptography/finalists
[CAESAR competition]: https://competitions.cr.yp.to/caesar-submissions.html
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