Arduino Nano 33 BLE | No bluetooth pairing

pert · June 20, 2020, 3:34am

You can read a discussion on the topic of adding pairing support to the ArduinoBLE library here:

github.com/arduino-libraries/ArduinoBLE

Encryption at connection level?

opened 05:35AM - 07 Oct 19 UTC

closed 10:22AM - 13 May 22 UTC

andrewhodel

type: enhancement conclusion: resolved topic: code

I know ble works by broadcasting and that methods like ccm are available. In… cryptography, a cipher block chaining message authentication code (CBC-MAC) is a technique for constructing a message authentication code from a block cipher. The message is encrypted with some block cipher algorithm in CBC mode to create a chain of blocks such that each block depends on the proper encryption of the previous block. This interdependence ensures that a change to any of the plaintext bits will cause the final encrypted block to change in a way that cannot be predicted or counteracted without knowing the key to the block cipher. The trouble with that is that anyone could publish a message and it would mess up the next block process of decryption, effectively rendering the encryption and communication useless and still be legal as defined by fcc part 15. Doesn’t this practically make ble useless as a protocol if there is no connection state tracking and layered encryption?

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Arduino Nano 33 BLE | No bluetooth pairing

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