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Erschienen in:
2007 | OriginalPaper | Buchkapitel
Secure Key Storage with PUFs
verfasst von : Boris Skoric, PhD, Geert-Jan Schrijen, Pim Tuyls, PhD, Tanya Ignatenko, Frans Willems
Erschienen in: Security with Noisy Data
Verlag: Springer London
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Nowadays, people carry around devices (cell phones, PDAs, bank passes, etc.) that have a high value. That value is often contained in the data stored in it or lies in the services the device can grant access to (by using secret identification information stored in it). These devices often operate in hostile environments and their protection level is not adequate to deal with that situation. Bank passes and credit cards contain a magnetic stripe where identification information is stored. In the case of bank passes, a PIN is additionally required to withdraw money from an ATM (Automated Teller Machine). At various occasions, it has been shown that by placing a small coil in the reader, the magnetic information stored in the stripe can easily be copied and used to produce a
cloned
card. Together with eavesdropping the PIN (by listening to the keypad or recording it with a camera), an attacker can easily impersonate the legitimate owner of the bank pass by using the cloned card in combination with the eavesdropped PIN.