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Many computers emit a high-pitched noise during operation, due to vibration in some of their electronic components. These acoustic emanations are more than a nuisance: they can convey information abou...
PriWhisper: Enabling Keyless Secure Acoustic Communication for Smartphones
applications secure smartphone communication
2014/3/10
Short-range wireless communication technologies have been used in many security-sensitive smartphone applications and services such as contactless micro payment and device pairing. Typically, the data...
Keyboard Acoustic Emanations: An Evaluation of Strong Passwords and Typing Styles
Keyboard acoustic emanations strong passwords signal processing
2010/11/26
The sounds resulting from keyboard typing can reveal information about the input data. In this paper, we revisit such keyboard acoustic emanations for the purpose of eavesdropping over “strong” (rando...