crates.io · crates:p521
p521 active
Pure Rust implementation of the NIST P-521 (a.k.a. secp521r1) elliptic curve as defined in SP 800-186, with support for ECDH, ECDSA signing/verification, and general purpose curve arithmetic
| Latest stable version | 0.14.0 |
|---|---|
| Published | 2026-07-08 21:10:14 UTC |
| Install | cargo add p521 |
| Minimum Rust version (rust-version) | Rust ≥ 1.85 |
| License | Apache-2.0 OR MIT |
| Advisories on latest version | none known |
| Last verified | 2026-10-09 15:22:14 UTC |
| Sources | api.osv.dev, crates.io |
Maintenance
| Activity | active |
|---|---|
| Last stable release | 2026-07-08 21:10:14 UTC · 92 days ago |
| Stable releases in the last 12 months | 1 |
| Published versions | 33 |
Heuristic based only on release dates; it does not measure issue or security response times.
Version history
| Version | Published |
|---|---|
0.14.0 | 2026-07-08 21:10:14 UTC |
0.13.3 | 2023-11-11 17:06:38 UTC |
0.13.2 | 2023-11-10 04:00:06 UTC |
0.13.1 withdrawn | 2023-11-10 01:25:52 UTC |
0.13.0 withdrawn | 2023-03-04 01:07:20 UTC |
0.0.0 withdrawn | 2018-10-03 14:58:15 UTC |
Showing the 6 most recent of 6 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 | none |
rust 1.70 | 0.13.3 |
rust 1.75 | 0.13.3 |
rust 1.80 | 0.13.3 |
rust 1.85 | 0.14.0 |
rust 1.90 | 0.14.0 |
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Frequently asked questions
What is the latest version of p521?
The latest stable version of p521 is 0.14.0, published on 2026-07-08. Verified by Vigia on 2026-10-09.
How do I install the latest version of p521?
Run cargo add p521. The latest stable version is 0.14.0 (verified 2026-10-09).
Is p521 deprecated?
No. p521 is not marked as deprecated in the registry.
Which Rust version does p521 require?
p521 0.14.0 declares this requirement: Rust ≥ 1.85.
Does p521 0.14.0 have known vulnerabilities?
No known advisories affect p521 0.14.0 according to the data Vigia checks.
Is p521 still maintained?
p521 published 1 stable releases in the last 12 months; the most recent was 92 days ago. Activity: active.
Observed changes
No changes observed yet since Vigia started tracking this package.
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