PHPackages                             freedsx/asn1 - 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. [Utility & Helpers](/categories/utility)
4. /
5. freedsx/asn1

ActiveLibrary[Utility & Helpers](/categories/utility)

freedsx/asn1
============

An ASN.1 library for PHP.

0.4.8(1y ago)15216.5k↑20.9%7MITPHP >=7.1

Since Apr 14Compare

[ Source](https://github.com/FreeDSx/ASN1)[ Packagist](https://packagist.org/packages/freedsx/asn1)[ Docs](https://github.com/FreeDSx/ASN1)[ RSS](/packages/freedsx-asn1/feed)WikiDiscussions Synced 1mo ago

READMEChangelogDependencies (6)Versions (16)Used By (7)

### README not available

The README for this package hasn't been synced yet. View it on [GitHub](https://github.com/FreeDSx/ASN1).

###  Health Score

39

—

LowBetter than 86% of packages

Maintenance36

Infrequent updates — may be unmaintained

Popularity40

Moderate usage in the ecosystem

Community10

Small or concentrated contributor base

Maturity56

Maturing project, gaining track record

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 ~169 days

Recently: every ~367 days

Total

15

Last Release

582d ago

### Community

Maintainers

![](https://avatars.githubusercontent.com/u/388229?v=4)[Chad Sikorra](/maintainers/ChadSikorra)[@ChadSikorra](https://github.com/ChadSikorra)

---

Tags

asn1DERx690ber

###  Code Quality

Static AnalysisPHPStan

Code StylePHP\_CodeSniffer

Type Coverage Yes

### Embed Badge

![Health badge](/badges/freedsx-asn1/health.svg)

```
[![Health](https://phpackages.com/badges/freedsx-asn1/health.svg)](https://phpackages.com/packages/freedsx-asn1)
```

###  Alternatives

[kelunik/certificate

Access certificate details and transform between different formats.

11038.3M8](/packages/kelunik-certificate)[falseclock/advanced-cms

A PHP Library that allows you to decode and manipulate CAdES or in other words CMS Advanced Electronic Signatures described in ETSI standart TS 101 733.

223.2k](/packages/falseclock-advanced-cms)[spomky-labs/pki-framework

A PHP framework for managing Public Key Infrastructures. It comprises X.509 public key certificates, attribute certificates, certification requests and certification path validation.

2725.9M11](/packages/spomky-labs-pki-framework)[sop/asn1

A PHP library for X.690 ASN.1 DER encoding and decoding.

601.7M39](/packages/sop-asn1)[adapik/cms

A PHP Library that allows you to decode ASN.1 CMS using Basic Encoding Rules (BER).

147.2k1](/packages/adapik-cms)[sop/crypto-types

A PHP library of various ASN.1 types for cryptographic applications.

111.4M33](/packages/sop-crypto-types)

PHPackages © 2026

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