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marzsv/sv-dte-signer
====================

PHP SDK for signing Documentos Tributarios Electrónicos (DTE) for El Salvador using JWS RS512

v1.4.0(1mo ago)1678↑100%MITPHPPHP ^8.1

Since Jul 20Pushed 5mo agoCompare

[ Source](https://github.com/marzsv/sv-dte-signer)[ Packagist](https://packagist.org/packages/marzsv/sv-dte-signer)[ RSS](/packages/marzsv-sv-dte-signer/feed)WikiDiscussions main Synced 1mo ago

READMEChangelogDependencies (6)Versions (9)Used By (0)

DTE Signer PHP SDK
==================

[](#dte-signer-php-sdk)

[![PHP Version](https://camo.githubusercontent.com/7535257ca228724c93658bd52583d4e47a9bab02c356abf6e54c1d575f2151e6/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f5048502d382e312532422d626c75652e737667)](https://php.net/)[![Tests](https://camo.githubusercontent.com/cc21f3cdac4501e90c45f922a2f49185af5859b4798360fb5dd34cf6d7c6bc03/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f54657374732d33372532307061737365642d627269676874677265656e2e737667)](#testing)[![License](https://camo.githubusercontent.com/fdf2982b9f5d7489dcf44570e714e3a15fce6253e0cc6b5aa61a075aac2ff71b/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f4c6963656e73652d4d49542d79656c6c6f772e737667)](LICENSE)

A PHP SDK for signing and verifying Documentos Tributarios Electrónicos (DTE) for El Salvador using JWS RS512 digital signatures.

Project Status
--------------

[](#project-status)

✅ **Production Ready** - All core features implemented and tested ✅ **MH Certificate Support** - Full support for Ministerio de Hacienda certificate format ✅ **Standards Compliant** - Follows El Salvador DTE specifications ✅ **Working Examples** - Ready-to-run examples with test certificates ✅ **Test Coverage** - 37 tests, 90+ assertions, 100% pass rate 🔒 **Security** - Secure memory handling and input validation

Features
--------

[](#features)

- ✅ **Local signing**: No external servers or JVM required
- ✅ **Signature verification**: Verify and extract content from signed DTEs
- ✅ **JWS RS512**: Compliant with El Salvador DTE specifications
- ✅ **MH Certificate Support**: Full support for Ministerio de Hacienda XML format
- ✅ **Standards Compliant**: Follows El Salvador DTE specifications
- ✅ **Flexible input**: Accept JSON directly or from files
- ✅ **Certificate validation**: XML certificate parsing and validation
- ✅ **Error handling**: Standardized error codes (COD\_803, COD\_812, etc.)
- ✅ **Security**: Secure memory handling and input validation
- ✅ **Performance**: <500ms signing time for typical DTEs
- ✅ **Modern PHP**: 8.1+ with full type safety and PSR-12 compliance
- ✅ **Easy testing**: Includes mock certificate generator for development

Quick Test Setup
----------------

[](#quick-test-setup)

### For Testing and Development

[](#for-testing-and-development)

1. **Clone and install:**

    ```
    git clone https://github.com/marzsv/sv-dte-signer.git
    cd sv-dte-signer
    composer install
    ```
2. **Generate test certificates:**

    ```
    php examples/mock_certificate_generator.php
    ```
3. **Run signing example:**

    ```
    php examples/basic_usage.php
    ```
4. **Run verification example:**

    ```
    php examples/verification_usage.php
    ```
5. **Run all tests:**

    ```
    composer test
    ```

### For Production Use

[](#for-production-use)

Install via Composer:

```
composer require marzsv/sv-dte-signer
```

Requirements
------------

[](#requirements)

- PHP 8.1 or higher
- OpenSSL extension
- libxml extension

Quick Start
-----------

[](#quick-start)

### Basic Usage

[](#basic-usage)

```