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x509

★ 42 Open GitHub ↗

A PHP library for X.509 public key certificates, attribute certificates, certification requests and certification path validation.

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# X.509

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A PHP library for X.509 public key certificates, attribute certificates,
certification requests and certification path validation.

## Introduction

This library provides a pure PHP implementation of X.509 certificates.
The class hierarchy adapts to the ASN.1 types, which makes it easy to use
corresponding RFC's as a reference documentation.

## Features

- X.509 certificates ([RFC 5280](https://tools.ietf.org/html/rfc5280))
  - Certificate decoding and encoding
  - Certificate signing
- Certification requests ([PKCS #10](https://tools.ietf.org/html/rfc2986))
  - CSR decoding and encoding
- Certification path
  - Path building
  - Path validation
- Attribute certificates ([RFC 5755](https://tools.ietf.org/html/rfc5755))
  - AC decoding and encoding
  - AC signing

## Requirements

- PHP >=7.2
- gmp
- [sop/asn1](https://github.com/sop/asn1)
- [sop/x501](https://github.com/sop/x501)
- [sop/crypto-types](https://github.com/sop/crypto-types)
- [sop/crypto-bridge](https://github.com/sop/crypto-bridge)
- [sop/crypto-encoding](https://github.com/sop/crypto-encoding)

## Installation

This library is available on
[Packagist](https://packagist.org/packages/sop/x509).

composer require sop/x509

## Code examples

Examples are located in
[`/examples`](https://github.com/sop/x509/tree/master/examples)
directory.

- [Create a CA certificate](https://github.com/sop/x509/blob/master/examples/create-ca-cert.php)
- [Create a CSR](https://github.com/sop/x509/blob/master/examples/create-csr.php)
- [Issue a certificate](https://github.com/sop/x509/blob/master/examples/issue-cert.php)
- [Validate a certification path](https://github.com/sop/x509/blob/master/examples/path-validate.php)

## License

This project is licensed under the MIT License.

x509

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