graygate

graygate is an end-to-end encrypted messenger built for privacy. Messages are encrypted on your device before they are sent, and the server can only relay ciphertext. It gives people a way to talk safely even where free expression is suppressed. WHAT THE SERVER DOES NOT KNOW • Your private key is created on your device and never leaves the iOS Keychain. • Room keys are derived from the room password on each device. The server holds only a hash to check whether the password is correct. • Encrypted messages wait on the server for at most 14 days so the recipient can pick them up. Once delivered, they are deleted immediately. • Push notifications carry no content, no sender and no room name. Only the fact that something new arrived. LEFT OUT ON PURPOSE • No read receipts. Delivery is the last thing reported. • No online or typing indicators. • No cloud backup. Conversations live on your…