README

A PHP library for Secure RTP (SRTP) packet encryption and decryption using OpenSSL FFI. It enables secure media transport for WebRTC applications with support for AES encryption and HMAC authentication.

Features

• AES-GCM and AES-CM encryption for RTP/RTCP packets
• HMAC-SHA1 authentication
• Replay protection
• Interoperable with standard WebRTC implementations

Requirements

• PHP ≥ 8.4 with FFI extension enabled
• Srtp development libraries
• Linux environment (Windows/macOS support planned)

Documentation

This package is part of the PHP WebRTC library. For complete documentation, examples, and API reference, visit:

PHP WebRTC Documentation

Credits

Authors

• Amin Yazdanpanah
  aminyazdanpanah.com github@aminyazdanpanah.com

• Sana Moniri
  GitHub

Reporting Issues

Found a bug? Please report it on our issues.

License

BSD 3-Clause License. See LICENSE for details.

References

• RFC 3711 – The Secure Real-time Transport Protocol (SRTP)