System and method for selective restriction of ciphering

Details System and method for selective restriction of ciphering System and method for selective restriction of ciphering

H - Electricity

04

W

H04W 12/00 (2009.01) H04W 48/04 (2009.01)

Patent

CA 2299413

A system and method for selectively restricting wireless ciphering communications within a telecommunications system is disclosed. A ciphering database contains flags corresponding to the ciphering restrictions on particular geographical areas. After consulting the particular flag for an area, a ciphering mode is determined either restricting ciphering or allowing it within that geographical or geopolitical area.

L'invention concerne un système et un procédé pour limiter sélectivement le cryptage des communications sans fil au sein d'un système de télécommunications. Une base de données de cryptage renferme des indicateurs correspondant aux restrictions de cryptage relatives à des zones géographiques particulières. Après consultation de l'indicateur particulier pour une zone, un mode de cryptage est déterminé, lequel limite ou autorise le cryptage au sein de cette zone géographique ou géopolitique.

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