Category Archives: encrypted messaging

Signal, the encrypted messaging app, is testing a new “sealed sender” feature that aims to limit even further the amount of information it transmits, the company announced on Monday. By the nature of the app, messages sent via Signal are end-to-end encrypted, meaning only the sender and recipient have the key to view the contents of the message. In the newest beta, the app will allow users to encrypt the identity of the sender In a blog post, the company explains that Signal traditionally uses the Transport Layer Security (TLS) protocol to validate the sender’s identity and inform the recipient who that is. That means that, while the contents are encrypted, the sender’s and receiver’s identity can be intercepted. With the new feature, the app can also encrypt the sender certificate. The recipient’s client then decrypts the “envelope” containing the sender information with their own identity key. “While the service […]

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