The essence of our protocol upgrade from X3DH to PQXDH is to compute a shared secret, data known only to the parties involved in a private communication session, using both the elliptic curve key ...

The Signal messaging app uses end-to-end encryption so that your texts, calls, videos, files, and location remain private. Here's how to use it.

Signal explains that its "X3DH" (Extended Triple Diffie-Hellman) key agreement protocol has been upgraded to "PQXDH" (Post-Quantum Extended Diffie-Hellman), which incorporates quantum-resistant ...

The encryption protocol used by Signal is considered an industry standard and is also employed by WhatsApp and Facebook Messenger. However, unlike Meta-owned services, ...

The company touts the benefits of the Signal protocol, which is used by both WhatsApp and Messenger for their encryption. Messenger is still rolling out E2EE (end-to-end encryption) by default ...

"Its encryption protocol, the open-source Signal Protocol, is widely regarded as the gold standard in secure messaging and is even used by WhatsApp and Facebook Messenger for certain chats," he said.

Meta today is offering more details about how it plans to make its messaging apps, WhatsApp and Messenger, interoperable with third-party messaging services, as required by the new EU law, the ...