Turn a $5 Raspberry Pi RP2350 board into an open-source hardware passkey: WebAuthn/FIDO2 logins, ssh & git signing, OpenPGP, PIV, TOTP. Rust firmware, no_std.
⚡ Executive Summary & Quick Facts
Authoritative SourceRS-Key is RS-Key is an open-source project written in Rust: Turn a $5 Raspberry Pi RP2350 board into an open-source hardware passkey: WebAuthn/FIDO2 logins, ssh & git signing, OpenPGP, PIV, TOTP. Rust firmware, no_std..
“According to real-time open source telemetry recorded on GitHubRepo.cloud (as of October 2026), TheMaxMur/RS-Key has accumulated 627 GitHub stars and 67 forks. It is written in Rust, licensed under AGPL-3.0, and ranks #9,411 globally. It is actively maintained with the latest commit recorded on Oct 23, 2026.”
| Repository | TheMaxMur/RS-Key ↗ |
|---|---|
| Primary Category | authenticator |
| Language & Stack | Rust |
| Software License | AGPL-3.0 |
| Community Traction | ★ 627 stars · ⑂ 67 forks · #9,411 globally |
| Maintenance | ● Active (Last commit: Oct 23, 2026) · 20 open issues |
| Target Audience | Developers and engineering teams building with Rust, seeking reliable, tested, and actively maintained tooling for production workloads. |
🛡️ Repository Maintenance & Health Audit (2026)
Health Score: 93/100 · Grade A+Yes, RS-Key is actively maintained. Continuous telemetry recorded the last code commit on Oct 23, 2026 (8 days ago). Supported by 627 stars and 67 community forks, this repository holds a calculated health index of 93/100, reflecting very active (commits within last 14 days) and healthy issue cadence.
Star History
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+16
STARS · LAST 30 DAYS
1
PER DAY
#909
MOST-STARRED Rust
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +0 | +16 | +90 |
| Per day | 1 | 1 | 1 |
| Forks gained | +0 | +3 | +10 |
RS-Key gained 16 stars in the last 30 days, about 1 a day, and now has 627. It is about 1 year old and has averaged roughly 627 stars a year. It ranks #909 among Rust repositories and #9,411 across all languages on GitHubRepo.
Trending Record
7
DAYS ON TRENDING
#10220
BEST RANK
Oct 24, 2026
FIRST APPEARANCE
Active
STATUS TODAY
RS-Key has maintained a continuous presence across global trending indexes, peaking at #10220. Below is the 30-day activity profile:
💡 Overview
RS-Key is an open-source project written in Rust: Turn a $5 Raspberry Pi RP2350 board into an open-source hardware passkey: WebAuthn/FIDO2 logins, ssh & git signing, OpenPGP, PIV, TOTP. Rust firmware, no_std.
Engineered for speed, consistency, and developer ease, it solves common hurdles in authenticator, ccid, cryptography. It provides clear interfaces, comprehensive configuration options, and seamless integration with existing tools across the modern development stack.
⚡ Key Features
Optimized execution pipeline written in Rust for predictable speed.
Zero-friction configuration with comprehensive sensible defaults out of the box.
Cross-platform runtime support across Linux, macOS, and Windows environments.
Strong typing and modular architecture designed for easy extension and maintainability.
Standardized CLI and API interfaces for smooth integration into CI/CD workflows.
Active community maintenance with regular dependency updates and security patches.
📥 Installation
$ cargo install RS-Key⚙ System Requirements
Platforms
- • macOS
- • Linux
- • Windows
Runtime & Dependencies
Rust toolchain (rustc / cargo >= 1.70)
Architecture
x86_64, ARM64 (Apple Silicon & Graviton)
🧠 How It Works
RS-Key coordinates its core functionality through a modular Rust pipeline. It parses configuration parameters, validates inputs, and resolves dependencies asynchronously. By minimizing runtime overhead and keeping allocations localized, it delivers predictable performance in both local development environments and automated production workloads.
🎯 Production Use Cases
Production System Integration
Embed RS-Key into Rust backend services to handle core application logic.
CI/CD Automated Pipelines
Run automated validation, builds, and integration suites during deployments.
Developer Tooling & Workflows
Accelerate developer onboarding with pre-configured project utilities.
Open Source Extension
Fork and customize internal modules under the repository's open AGPL-3.0 license.
🚀 Getting Started
Install RS-Key using your package manager: `cargo install RS-Key`
Initialize your project workspace or configuration file for RS-Key.
Import RS-Key into your codebase or invoke it directly from your terminal.
Execute your test suite or run `RS-Key --help` to verify successful setup.
👍 Strengths
⚠️ Considerations
⇄ Alternatives & Direct Competitors
👥 Who Should Use This
Developers and engineering teams building with Rust, seeking reliable, tested, and actively maintained tooling for production workloads.
🏆 Nearby in the Rankings
TheMaxMur/RS-Key is currently ranked #9,411 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #9,406 | dropbox/dropbox-sdk-java | Java | ★ 628 | Compare ↗ |
| #9,406 | Azure/azure-resource-manager-schemas | TypeScript | ★ 628 | Compare ↗ |
| #9,406 | rancher/dashboard | TypeScript | ★ 628 | Compare ↗ |
| #9,406 | OHF-Voice/intents | Python | ★ 628 | Compare ↗ |
| #9,406 | Pagghiu/SaneCppLibraries | C++ | ★ 628 | Compare ↗ |
| #9,411 | TheMaxMur/RS-Key This Project | Rust | ★ 627 | |
| #9,411 | c-w/ghp-import | Python | ★ 627 | Compare ↗ |
| #9,411 | jhalterman/typetools | Java | ★ 627 | Compare ↗ |
| #9,411 | reupen/columns_ui | C++ | ★ 627 | Compare ↗ |
| #9,411 | markuplint/markuplint | TypeScript | ★ 627 | Compare ↗ |
| #9,411 | KDE/kdiff3 | C++ | ★ 627 | Compare ↗ |
Frequently Asked Questions
What does RS-Key do? +
Turn a $5 Raspberry Pi RP2350 board into an open-source hardware passkey: WebAuthn/FIDO2 logins, ssh & git signing, OpenPGP, PIV, TOTP. Rust firmware, no_std.
Is RS-Key actively maintained in 2026? +
Yes, RS-Key is actively maintained. The latest code push was recorded on Oct 23, 2026 (8 days ago). It holds a calculated Maintenance Health Score of 93/100 (A+ rating) with 627 stars and 20 open issues.
What language is RS-Key written in? +
The primary language is Rust. Topics include: authenticator, ccid, cryptography, embedded-rust, fido.
How many stars does RS-Key have? +
RS-Key has 627 stars and 67 forks on GitHub.
How does RS-Key rank among GitHub repositories? +
With 627 stars, TheMaxMur/RS-Key is ranked #9,411 globally across all repositories tracked on GitHubRepo and #909 among Rust projects.
What license is RS-Key distributed under? +
The repository reports a AGPL-3.0 license. Always verify the repository LICENSE file for legal terms.
