Controlling access to stored information

Details Controlling access to stored information Controlling access to stored information

G - Physics

06

F

G06F 12/14 (2006.01) G06F 1/00 (2006.01) G06F 21/00 (2006.01) H04L 9/32 (2006.01)

Patent

CA 2287596

Access to stored information by a user is controlled by comparing an actual geographic position and/or an actual date/time with a geographic region and/or a date/time interval within which access to the stored information is authorized. The actual geographic position where the stored information is located, and the actual date/time can be determined, for example, based on signals received at a receiver supplying reliable position and time information, such as a GPS receiver. Access to the stored information is authorized if the actual geographic position and/or date/time falls within the authorized geographic region and/or date/time interval. The position and date/time information supplied by the receiver may be cryptographically signed and encrypted.

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