A module (2) for integrity protection of messages transmitted from a mobile software defined radio (SDR) terminal (1), the module provided with a confined cryptographic key K and arranged to receive loaded SDR-code. The module derives an integrity protecting key Rk from at least said cryptographic key K, and provides a periodic integrity protection on-line of generated messages using said key integrity protecting key Rk, and the integrity of said messages is verified by an integrity checking node (10) of the access network.
申请公布号
WO2008156392(A1)
申请公布日期
2008.12.24
申请号
WO2007SE50428
申请日期
2007.06.18
申请人
TELEFONAKTIEBOLAGET LM ERICSSON (PUBL);NAESLUND, MATS;KALLIN, HARALD;ALMGREN, MAGNUS;SELANDER, GOERAN