crates.io · crates:chacha20

chacha20 active

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.

Latest stable version	0.10.2
Published	2026-08-27 17:51:13 UTC
Install	`cargo add chacha20`
Minimum Rust version (rust-version)	`Rust ≥ 1.85`
License	MIT OR Apache-2.0
Advisories on latest version	none known
Last verified	2026-10-08 14:56:51 UTC
Sources	api.osv.dev, crates.io

Maintenance

Activity	active
Last stable release	2026-08-27 17:51:13 UTC · 42 days ago
Stable releases in the last 12 months	3
Published versions	45

Heuristic based only on release dates; it does not measure issue or security response times.

Version history

Version	Published
`0.10.2`	2026-08-27 17:51:13 UTC
`0.10.1` withdrawn	2026-06-24 13:32:44 UTC
`0.10.0` withdrawn	2026-02-07 15:21:55 UTC
`0.9.1`	2023-04-01 20:12:19 UTC
`0.8.2`	2022-07-07 21:41:53 UTC
`0.9.0`	2022-02-21 09:31:02 UTC
`0.8.1`	2021-08-30 18:24:29 UTC
`0.8.0`	2021-08-29 15:04:10 UTC
`0.7.3`	2021-08-27 14:21:16 UTC
`0.7.2`	2021-07-20 14:59:40 UTC
`0.7.1`	2021-04-30 00:16:00 UTC
`0.7.0` withdrawn	2021-04-29 17:10:58 UTC
`0.6.0`	2020-10-16 17:15:04 UTC
`0.5.0`	2020-08-25 15:25:52 UTC
`0.4.3`	2020-06-11 16:55:13 UTC
`0.4.2`	2020-06-11 14:38:23 UTC
`0.4.1`	2020-06-06 16:59:26 UTC
`0.4.0`	2020-06-06 16:08:04 UTC
`0.3.4`	2020-03-03 05:32:03 UTC
`0.3.3`	2020-01-18 15:56:59 UTC

Showing the 20 most recent of 29 versions. JSON

Version compatibility

Newest stable version that declares support for each runtime version (from the requirements published with each version).

Runtime	Newest compatible version
`rust 1.63`	`0.9.1`
`rust 1.70`	`0.9.1`
`rust 1.75`	`0.9.1`
`rust 1.80`	`0.9.1`
`rust 1.85`	`0.10.2`
`rust 1.90`	`0.10.2`

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Frequently asked questions

What is the latest version of chacha20?

The latest stable version of chacha20 is 0.10.2, published on 2026-08-27. Verified by Vigia on 2026-10-08.

How do I install the latest version of chacha20?

Run cargo add chacha20. The latest stable version is 0.10.2 (verified 2026-10-08).

Is chacha20 deprecated?

No. chacha20 is not marked as deprecated in the registry.

Which Rust version does chacha20 require?

chacha20 0.10.2 declares this requirement: Rust ≥ 1.85.

Does chacha20 0.10.2 have known vulnerabilities?

No known advisories affect chacha20 0.10.2 according to the data Vigia checks.

Is chacha20 still maintained?

chacha20 published 3 stable releases in the last 12 months; the most recent was 42 days ago. Activity: active.

Observed changes

No changes observed yet since Vigia started tracking this package.

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