Getting started

Before you start configuring SSH Secure Messaging, we recommend that you familiarize yourself with the following concepts.

Hardware and software requirements

Desktop

• Windows, Linux, or macOS
• Both Arm and Intel processors are supported.
• The minimum recommended RAM is 4 GB.

Tablet

• Ipads with IpadOS 14 or later

Mobile

• iPhones with iOS 14 or later
• Android devices with Android 10 or later. TIP: Fast CPU improves the video call quality.

Browser

Android and desktop

• Chrome: 72 or later
• Firefox: 68 or later
• Safari: 14 or later
• Edge: 79 or later

iOS and iPads

• Safari: 14.3 or later

Server Requirements

• Ubuntu 20.04 / Rocky linux 9 / RHEL 8 or 9
• Open federation minimum requirement: 8 vCPU, 32 GB RAM, 100 GB
• Closed federation minimum requirement: 6 vCPU, 16 GB RAM, 100 GB
• For video conferencing: 8 vCPU, 16 GB RAM

Architecture behind SSH Secure Messaging

• How does SSH Secure Messaging work?

  Refer to the Elements of Matrix.

SSH Secure Messaging deployment architecture diagram

Homeserver

• How are homeservers and clients connected?

  Refer to Homeserver.

End-to-end encryption

• How does end-to-end encryption work?

  Refer to the End-to-End Encryption implementation guide.