Toll Collect: The German Cashless Project

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Main concerns of a German ORT Customer Is the invoice ok: “The data can be manipulated” ? Big brother syndrome: “You know all the time where I am” Privacy: “You can sell my personal records to others” ? ? A. Estiot, Toll Collect 11 Answer to the Data Security Challenge • We have: – more than 18 million transactions per day, – regular software and network updates „over the air“ • That means billions of information „in the sky“ per year • Only authorized persons have access to the data • To avoid a possible risk of manipulation from third parties, data is encrypted all the time A. Estiot, Toll Collect 12 6
A. Estiot, Toll Collect Basics of Communication Security • A cryptographic concept uses a “codification” and a key – 2001: Space Odyssey, Stanley Kubrick: computer name was “HAL” (every clever person recognized that this computer is better than “IBM”) – You cannot “decrypt” without a key – Cryptographic operations are generally processed inside secure cryptographic modules • Every central and non-central component is equipped with its own key(s): – The same equipment (OBU for instance) has different keys to talk with different systems • Central systems use their own specific „master-keys“: – With a master-key, a central system can talk to different decentralized equipment Master Key Individual Keys • Non-central components store and use their keys in smartcards. 13 The main areas of the TC Crypto-Concept Transactions Software and Network Updates 600,000 OBUs Enforcement Registration 300 gantries A. Estiot, Toll Collect 1500 Service- Partners in 14 countries 14 7
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Toll Collect: The German Cashless Project

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