Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Particular communication authentication technique
Reexamination Certificate
2008-04-29
2008-04-29
Sheikh, Ayaz (Department: 2131)
Electrical computers and digital processing systems: support
Multiple computer communication using cryptography
Particular communication authentication technique
C380S247000, C380S270000, C713S155000, C455S041200, C455S411000, C455S410000, C455S517000, C455S466000
Reexamination Certificate
active
10632665
ABSTRACT:
A device, method, system and computer readable medium allows for using a short-range address, such as a Bluetooth™ address, to identify a cellular device and authenticate cellular messages to the cellular device. In an embodiment of the present invention, a first short-range radio address for a cellular device is stored in a processing device, such as a server coupled to a cellular network. An authentication message is obtained by the processing device. A second short-range radio address is stored in the cellular device. A first message digest is calculated responsive to the authentication message and first short-range radio address. A cellular message, including the authentication message and the first message digest, is transmitted to the cellular device. The cellular device receives the cellular message and calculates a second message digest responsive to the authentication message and the second short-range radio address stored in the cellular device. The cellular device authenticates the cellular message responsive to comparing the first message digest to a second message digest. In an alternate embodiment of the present invention, a processing device compares a second digest message from a cellular device and a first digest message calculated by the processing device in order authenticate the cellular message. In still a further embodiment of the present invention, a short-range radio address is used to encrypt and decrypt cellular messages.
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Hapamas Ziv
Shachak Amit
Century IP Group, Inc.
Chen Shin-Hon
Far-hadian, Esq. F. Jason
IXI Mobile (R&D) Ltd.
Sheikh Ayaz
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