challenge_response
v0.5.45 GrowingPerform HMAC-SHA1 and OTP challenges with YubiKey, OnlyKey and NitroKey, in pure Rust.
Quick Verdict
- โActively maintained (updated 20d ago)
- !Pre-1.0: API may have breaking changes
- โPermissive license (MIT OR Apache-2.0)
Security
Deep Insights
4.3K downloads in the last 30 days (143/day), up 24% from the previous period.
Despite being 2+ years old, challenge_response hasn't reached 1.0 yet. Expect potential API changes between versions.
At 17KB, challenge_response is lightweight. Small crate size correlates with focused, well-scoped functionality.
Notable dependents include keepass, shavee, keepass-ng, shavee_core, luks. When high-quality crates choose challenge_response, it's a strong quality signal.
Health Breakdown
Recency, release consistency, active ratio
Yanked ratio, deps, size, maturity, features
Reverse deps, ownership, ecosystem
Downloads, momentum, growth trend
Docs, repo, license, metadata
Download Trend
Top Dependents
Most downloaded crates that depend on challenge_response
Version Adoption
Release Timeline
Feature Flags
default =["rusb"]