Cryptography – Communication system using cryptography – Symmetric key cryptography
Patent
1997-10-29
2000-07-04
Peeso, Thomas R.
Cryptography
Communication system using cryptography
Symmetric key cryptography
380 46, G06K 900
Patent
active
060849681
ABSTRACT:
Apparatus and a method are described for providing for multiple secure functions in a host or wireless radiotelephone. Access to the functionality of the radiotelephone is provided by means of a smart card or security token features contained therein. The determination of the secure function which is accessed is determined by encrypted credential information carried in the smart card. The smart card may be used for numerous applications, but is particularly useful in conjunction with radiotelephone devices having a plurality of secure communication levels. The radiotelephone device will activate the secure levels based on the security level algorithm carried in the smart card.
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Hall Timothy Gerard
Hardy Douglas Allen
Kennedy Paul Roy
Bagacz Frank J.
Coleman Sharon
Gorrie Gregory J.
Jack Todd
Motorola Inc.
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