Bluetooth pairing code configuration method and system, terminal, server and vehicle-mounted device
A technology for Bluetooth pairing and electronic equipment, which is applied in transmission systems, short-distance communication services, security devices, etc., and can solve problems such as cumbersome operations, weak anti-DOS attack capabilities, and poor security
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[0071] Implemented using one-way hash functions such as SHA-1, MD5, and HMAC, a message digest is obtained as a message authentication code.
[0072] In the specific implementation process, for example: HMAC calculates an example of message authentication code MAC1: MAC1 = HMAC(K1,IN); HMAC is a key-related hash operation, which takes a key and a message as input and generates a message digest as output. K1 is a message authentication key here. In the one-way hash function, the message authentication key is only used to input the parameters involved in the calculation, not as a real key. The final output message authentication code MAC1 is discrete Factor, which can be passed IN as the ID code is an input message.
[0073] S203: Send the Bluetooth pairing code to the Bluetooth protocol operation module of the first electronic device or the Bluetooth protocol operation module of the second electronic device.
[0074] Preferably, step S202 further includes:
[0075] Obtain a ...
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