| 摘要 |
PROBLEM TO BE SOLVED: To provide a grouping method, a radio communication system, a radio apparatus, a random number distribution terminal, a grouping program that can easily and temporarily share a cipher key among a plurality of radio apparatuses, and to provide a recording medium. SOLUTION: The method allows the radio apparatuses 11-13 to be grouped in a radio communication system. The radio communication system includes a plurality of radio apparatuses 11-13; and a network autonomously constructed by the plurality of radio apparatuses 11-13 directly or through the plurality of other radio apparatuses 11-13. The grouping method includes a step of allowing the random number distribution terminal 1 to distribute a random number; a step of allowing the radio apparatuses 11-13 to receive the random number distributed by the random number distribution terminal 1; a step of allowing the radio apparatuses 11-13 to generate the cipher key from the random number; and a step of allowing the radio apparatuses 11-13 sharing the cipher key to use the cipher key for establishing cipher communication, thus grouping the radio apparatuses 11-13. COPYRIGHT: (C)2008,JPO&INPIT
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