| 摘要 |
The invention concerns a system in a digital wireless data communication network for arranging end-to-end encryption in which the data communication network two or more pieces of terminal equipment are communicating with one another, including at least means for management of encryption parameters (TEK, IV), an encryption key stream generator, means for encrypting a dataflow and for decrypting the encryption with the generated key stream segment (KSS, IV), and wherein at least one of the pieces of terminal equipment is adapted to function as a special server terminal device, which manages and distributes encryption parameters and encryption and/or synchronization applications to the other pieces of terminal equipment based on an established criterion and in the terminal equipment are arranged functionalities and means for downloading, saving, managing and carrying out the applications.
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