Sudo Encrypt app for iPhone and iPad

4.6 ( 4176 ratings )

Utilities Productivity
Developer: Shunzhe Ma

Free

Current version: 1.1, last update: 4 years ago
First release : 11 Apr 2020
App size: 1.63 Mb

- Generate RSA keypairs locally
- Import others public keys and encrypt messages to send to others
- Decrypt messages others sent to you with your private key
- Sign / Verify message signature

Best of all, encryption and decryption of messages can be done directly in the iMessage app. When using the in-app extension, you no longer have to send a long piece of string, the encrypted message is embedded into an iMessage object so the other side can just click and decrypt.