Method for ensuring data transmission security,...

Details Method for ensuring data transmission security,... Method for ensuring data transmission security,...

2011-08-09

2011-08-09

Gergiso, Techane (Department: 2437)

Cryptography

Communication system using cryptography

Wireless communication

C713S171000

Reexamination Certificate

active

07995760

ABSTRACT:
The invention relates to a method for ensuring data transmission security between a first and a second communication device in short-range wireless communication. To set up a secure data transmission connection, the communication devices conduct a key exchange stage to generate at least one shared key between the communication devices. After said key exchange stage at least a first and a second check string is formed, said strings being based at least on a unique short random string and on the keys generated in each communication device at said key exchange stage. Thus, the security of the connection that is set up is ensured by comparing the correspondence of said check strings. The invention also relates to a communication system and a communication device, in which the method will be applied.

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