PHPackages                             philetaylor/u2flib-server - PHPackages - PHPackages  [Skip to content](#main-content)[PHPackages](/)[Directory](/)[Categories](/categories)[Trending](/trending)[Leaderboard](/leaderboard)[Changelog](/changelog)[Analyze](/analyze)[Collections](/collections)[Log in](/login)[Sign up](/register)

1. [Directory](/)
2. /
3. [Security](/categories/security)
4. /
5. philetaylor/u2flib-server

ActiveLibrary[Security](/categories/security)

philetaylor/u2flib-server
=========================

Library for U2F implementation - FORKED FOR PHP 7.4 Preloader Compatibility

1.0.3(5y ago)0246BSD-2-ClausePHP &gt;=7.0

Since Oct 16Compare

[ Source](https://github.com/PhilETaylor/php-u2flib-server)[ Packagist](https://packagist.org/packages/philetaylor/u2flib-server)[ Docs](https://developers.yubico.com/php-u2flib-server)[ RSS](/packages/philetaylor-u2flib-server/feed)WikiDiscussions Synced today

READMEChangelogDependencies (3)Versions (9)Used By (0)

### README not available

The README for this package hasn't been synced yet. View it on [GitHub](https://github.com/PhilETaylor/php-u2flib-server).

###  Health Score

28

—

LowBetter than 54% of packages

Maintenance20

Infrequent updates — may be unmaintained

Popularity11

Limited adoption so far

Community2

Small or concentrated contributor base

Maturity63

Established project with proven stability

How is this calculated?**Maintenance (25%)** — Last commit recency, latest release date, and issue-to-star ratio. Uses a 2-year decay window.

**Popularity (30%)** — Total and monthly downloads, GitHub stars, and forks. Logarithmic scaling prevents top-heavy scores.

**Community (15%)** — Contributors, dependents, forks, watchers, and maintainers. Measures real ecosystem engagement.

**Maturity (30%)** — Project age, version count, PHP version support, and release stability.

###  Release Activity

Cadence

Every ~362 days

Recently: every ~509 days

Total

7

Last Release

2049d ago

Major Versions

0.1.0 → 1.0.02016-02-19

PHP version history (2 changes)1.0.1PHP &gt;=5.6

1.0.3PHP &gt;=7.0

### Community

Maintainers

![](https://www.gravatar.com/avatar/492cad83f394abf358f646f36e3bff9c21aff9627ef78a88f64412b5346ff196?d=identicon)[PhilETaylor](/maintainers/PhilETaylor)

###  Code Quality

TestsPHPUnit

Static AnalysisPsalm

Type Coverage Yes

### Embed Badge

![Health badge](/badges/philetaylor-u2flib-server/health.svg)

```
[![Health](https://phpackages.com/badges/philetaylor-u2flib-server/health.svg)](https://phpackages.com/packages/philetaylor-u2flib-server)
```

###  Alternatives

[phpseclib/phpseclib

PHP Secure Communications Library - Pure-PHP implementations of RSA, AES, SSH2, SFTP, X.509 etc.

5.6k434.8M1.3k](/packages/phpseclib-phpseclib)[defuse/php-encryption

Secure PHP Encryption Library

3.9k162.4M214](/packages/defuse-php-encryption)[sarciszewski/php-future

Polyfill new (5.6+) features into old (5.4+) versions of PHP

411.5M7](/packages/sarciszewski-php-future)[tomgrohl/laravel4-php71-encrypter

Laravel 4.2 Encrypter for PHP 7.1+

42248.7k](/packages/tomgrohl-laravel4-php71-encrypter)[adbario/php-encrypter

Encryption with AES-256 and HMAC-SHA256

117.5k](/packages/adbario-php-encrypter)

PHPackages © 2026

[Directory](/)[Categories](/categories)[Trending](/trending)[Changelog](/changelog)[Analyze](/analyze)
