JackPair: Encrypt Your Phone Calls
Worried about the content of your phone calls being listened to by a stranger? Encrypting your phone calls is one way to stop that from happening. The JackPair happens to be an interesting solution that protects your privacy by encrypting your voice over phone calls. It works with any device through a standard 3.5 mm audio jack. The device is very simple to use. You put it between your phone and headset and push its button to encrypt your voice. The device tells you when you have a secure line.
JackPair does not require you to remember any passwords. It encrypts your voice conversation using a One-Time-Secret -Key, which is automatically created and self-destroyed at both ends. The One-Time-Secret-Key in JackPair is generated using Diffie-Hellman-Merkle key exchange protocol. The system works with any phone. The developer plans to open source the encryption software. You can get it on Kickstarter.
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