Author Archives: Manish Kaul

What advantage does Pairing using Legacy Pairing (BLE 4.0,4.1 devices) give me over a simple connection between 2 devices?

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BLE 4.2 uses something called LESC (LE Secure Connection) for significantly enhancing the link encryption between 2 devices (using public private key pair model). But prior to that the way devices would pair with each other, what advantage… Continue reading What advantage does Pairing using Legacy Pairing (BLE 4.0,4.1 devices) give me over a simple connection between 2 devices?→

Has the ECDH protocol been designed just for key exchange or is it widely used for key exchange? [migrated]

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As far as my understanding of the ECDH goes, after systems are encrypted using ECDH protocol, any data that comes out of the first system will be encrypted and can only be decrypted at the receiving end. Literature says that ECDH is used f… Continue reading Has the ECDH protocol been designed just for key exchange or is it widely used for key exchange? [migrated]→