Secure electronic entity for time certification
First Claim
1. Secure electronic entity (11), characterized in that it contains means (18) for measuring time and in that it comprises means (21) for certifying an item of data relating to a date or a duration, said certification means (21) receiving from said time measuring means (18) information on said date or said duration and producing data certifying said item of data relative to a date or a duration intended for an external entity.
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Accused Products
Abstract
The invention concerns a secure electronic entity (11) containing a time measuring unit (18) and comprising a unit (21) for certifying an information concerning a date or a time interval, the certifying unit (21) receiving from the time measuring unit (18) data concerning the date or the time interval and producing certification data of the information concerning a date or a time interval addressed to and external entity. The invention is applicable in particular to microcircuit cards.
60 Citations
19 Claims
- 1. Secure electronic entity (11), characterized in that it contains means (18) for measuring time and in that it comprises means (21) for certifying an item of data relating to a date or a duration, said certification means (21) receiving from said time measuring means (18) information on said date or said duration and producing data certifying said item of data relative to a date or a duration intended for an external entity.
Specification