FIELD: information protection.
SUBSTANCE: method for transferring messages while providing for confidentiality of identification signs of communication system objects with interaction of devices of communication system subscribers through central device for each communication session cryptographic conversion of subscriber device identifier is performed using encryption key of current subscriber device, while during said cryptographic conversion symmetrical cryptographic algorithm is used and two message transfer modes are taken in consideration, on initiative from subscriber device to central device and vice versa.
EFFECT: protection from unsanctioned access to identifiers of devices of system subscribers transferred via communication channels, in particular when providing for confidentiality of messages identification signs in communications systems with multiple subscriber devices.
6 dwg
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Authors
Dates
2005-06-10—Published
2003-09-02—Filed