| 摘要 |
Integrity checking of a software module to be used in a mobile communication terminal ( 101 ) is illustrated. The terminal ( 101 ) is capable of communicating in a mobile communication system ( 100 ) and the software module is stored on a removable memory unit ( 103 ) connected to the terminal ( 101 ). The terminal ( 101 ) communicates via the mobile communication system ( 100 ) with the software provider ( 125 ). During the communication a digitally signed data block comprising a reference value for use during integrity checking of said software module is received.
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