crates.io · crates:constant_time_eq

constant_time_eq active

Compares two equal-sized byte strings in constant time.

Latest stable version	0.6.1
Published	2026-10-01 00:18:04 UTC
Install	`cargo add constant_time_eq`
Minimum Rust version (rust-version)	`Rust ≥ 1.66.0`
License	CC0-1.0 OR MIT-0 OR Apache-2.0
Advisories on latest version	none known
Last verified	2026-10-08 14:54:54 UTC
Sources	api.osv.dev, crates.io

Maintenance

Activity	active
Last stable release	2026-10-01 00:18:04 UTC · 7 days ago
Stable releases in the last 12 months	4
Published versions	22

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

Version history

Version	Published
`0.6.1`	2026-10-01 00:18:04 UTC
`0.6.0`	2026-08-30 18:03:08 UTC
`0.5.0`	2026-04-20 11:42:34 UTC
`0.4.3` withdrawn	2026-04-18 19:06:55 UTC
`0.4.2`	2025-03-15 17:03:47 UTC
`0.4.1`	2025-03-04 00:30:58 UTC
`0.4.0`	2025-02-22 18:15:58 UTC
`0.3.1`	2024-08-27 00:37:14 UTC
`0.3.0`	2023-06-17 15:55:58 UTC
`0.2.6`	2023-06-10 15:09:39 UTC
`0.2.5`	2023-03-12 02:05:47 UTC
`0.2.4`	2022-07-25 18:09:30 UTC
`0.2.3`	2022-07-02 17:41:10 UTC
`0.2.2`	2022-04-24 20:31:43 UTC
`0.2.1`	2022-03-25 22:17:31 UTC
`0.2.0`	2022-03-19 21:54:24 UTC
`0.1.5`	2020-01-11 21:59:26 UTC
`0.1.4`	2019-08-20 23:14:28 UTC
`0.1.3`	2017-08-13 12:32:36 UTC
`0.1.2`	2016-01-30 22:47:36 UTC

Showing the 20 most recent of 22 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`	`0.2.6`
`rust 1.70`	`0.6.1`
`rust 1.75`	`0.6.1`
`rust 1.80`	`0.6.1`
`rust 1.85`	`0.6.1`
`rust 1.90`	`0.6.1`

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Frequently asked questions

What is the latest version of constant_time_eq?

The latest stable version of constant_time_eq is 0.6.1, published on 2026-10-01. Verified by Vigia on 2026-10-08.

How do I install the latest version of constant_time_eq?

Run cargo add constant_time_eq. The latest stable version is 0.6.1 (verified 2026-10-08).

Is constant_time_eq deprecated?

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

Which Rust version does constant_time_eq require?

constant_time_eq 0.6.1 declares this requirement: Rust ≥ 1.66.0.

Does constant_time_eq 0.6.1 have known vulnerabilities?

No known advisories affect constant_time_eq 0.6.1 according to the data Vigia checks.

Is constant_time_eq still maintained?

constant_time_eq published 4 stable releases in the last 12 months; the most recent was 7 days ago. Activity: active.

Observed changes

No changes observed yet since Vigia started tracking this package.

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