SG.01 Rules for the Management and the Distribution of the GSM A5/1 Algorithm use for Signalling and Data Privacy v4.1

This PRD sets out the rules under which the GSM cipher algorithms must be managed and distributed by the GSM Association, its members, and suppliers. The document sets out the rules under which the algorithms must be administered by the GSM Association. It also sets out rules regarding the management of the algorithms by network operators and manufacturers as well as listing the contact details for the administrator.

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