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TID ROLLOVER
THE TIME IS NOW


 

 


What is TID?


The Token Identifier is a 24-bit field, contained in STS compliant tokens, that identifies the date and time of the token generation. It is used to determine if a token has already been used in a payment meter. The TID represents the number of minutes elapsed since the base date of 1st January 1993. The incrementing of the 24-bit field means that at some point in time, the TID value will roll over to a zero value.

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TID Process


The process that should be followed to ensure that a smooth and successful TID Rollover is carried out to all meters is outlined.

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METER MANUFACTURERS

Meter manufacturers are required to change their production processes in order to cater for the new manufacturing hardware secure modules and key load files. They are also required to start manufacturing meters on the 2014 base date as will be specified by their customers when they have updated their vending systems.

UTILITIES

Utilities are responsible for the roll-out plan for the key-changes to the 2014 base date. This program has to be set up and operated by the utilities themselves. This part of the project is naturally the most important and most difficult of the entire project and must be thought out thoroughly before implementation.

VENDING SYSTEM MANUFACTURERS

Vending system manufacturers are required to update their vending system software to cater for the new hardware secure module API and key load files and associated rules. They are also required to contact all their customers to arrange for software upgrades to be performed in the field. In addition to this, contact details are to be made available for all sub-vendors that they have business dealings with so that they may be informed of the TID rollover requirements.

SUB-VENDORS

Sub-vendors are responsible for the rollout plan for the key-changes to the new base date for meters under their control. The STSA has embarked on a campaign to reach out to these vendors in order to make them aware of their responsibilities relating to the TID rollover program.