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Bluetooth v2.1 – A New Security Infrastructure and New Vulnerabilities Andrew Lindell Aladdin Knowledge Systems and Bar-Ilan University, Israel Talk Outline Background Offline versus online dictionary attacks Secure password-based authentication Bluetooth v2.0
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Aladdin Knowledge Systems
Bar-Ilan University, Israel
Core V2.1 + EDR, volume 2, part H, section 7.2.3
This is fine: the devices force one-time passkeys
Will users use different passkeys each time?
Core V2.1 + EDR, volume 3, part C, section 3.2.3
This is ambiguous because the pointer is to legacy pairing (backward compatibility), but that’s the only “hint”.
Always a good idea
Shown to not be too effective
Not relevant any more: requires re-education
* Already observed in: J. Suomalainen, J. Valkonen and N. Asokan. Security Associations
in Personal Networks: A Comparative Analysis. In ESAS 2007, pages 43-57
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