Green light card dating


05-Oct-2017 12:44

The MIFARE DESFire chips used on the new Oyster card are CPUs with much more sophisticated security features and more complex computation power.They are activated only when they are in an electromagnetic field compatible with ISO/IEC 14443 type A, provided by Oyster readers.The Oyster website is not part of the closed system but interfaces with it.Similarly, Oyster readers are now embedded into ticket machines produced by Shere and Scheidt and Bachmann on the national rail network.By June 2012, over 43 million Oyster cards had been issued and more than 80% of all journeys on public transport in London were made using the card.The Oyster card was set up under a Private Finance Initiative (PFI) contract between Transport for London (Tf L) and Tran Sys, a consortium of suppliers that included EDS and Cubic Transportation Systems (responsible for day-to-day management) and Fujitsu and WS Atkins (shareholders with no active involvement).Passengers touch it on an electronic reader when entering and leaving the transport system in order to validate it or deduct funds.Cards may be "topped-up" by recurring payment authority, by online purchase, at credit card terminals or by cash, the last two methods at stations or ticket offices.

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The system has the capability to interface with equipment or services provided by other suppliers.

The readers read information from the cards, calculate whether to allow travel, assess any fare payable and write back information to the card.

Some basic information about the MIFARE Classic or MIFARE DESFire chip can be read by any ISO/IEC 14443 type A compatible reader, but Oyster-specific information cannot be read without access to the encryption used for the Oyster system.

While there is no credit check to get a card, certain features are subject to the use of a consumer report.

The Oyster card is a form of electronic ticket used on public transport in Greater London in the United Kingdom.

Oyster readers can also read other types of cards including Cubic Transportation Systems' Go cards.