About LockerChat
LockerChat is designed so the server is never trusted with the contents of your messages. Bodies are encrypted on your device with libsodium sealed-boxes before they leave it, so the server only ever sees ciphertext. Encryption keys live on your devices and never leave them.
There’s no phone-number signup, no contact-book sync, and no public directory. You pick a username and talk to the people you choose to talk to. Apps for iPhone and Android, plus a web client, all share the same protocol.
At a glance
- libsodium sealed-box per recipient device
- No phone number, no email, no directory
- iOS, Android, and web clients
- Disappearing messages with per-group TTL
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