Fingerprinting digital devices using electromagnetic characteristics of their communications
First Claim
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1. A method of providing security associated with communications from a digital device, comprising:
- observing an analog signal associated with communications from the digital device;
characterizing the digital device at least partially based on the analog signal;
providing a security feature at least partially based on the step of characterizing.
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Abstract
Methods and apparatus or systems for providing security based on innate characteristics of devices are disclosed. A method of providing security associated with communications from a digital device includes observing an analog signal associated with communications from the digital device, characterizing the digital device at least partially based on the analog signal, and providing a security feature at least partially based on the step of characterizing.
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Citations
26 Claims
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1. A method of providing security associated with communications from a digital device, comprising:
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observing an analog signal associated with communications from the digital device;
characterizing the digital device at least partially based on the analog signal;
providing a security feature at least partially based on the step of characterizing. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. An apparatus for providing security related to communications from a digital device, comprising:
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an input from the digital device for receiving an analog signal associated with the digital device;
a signal analysis component for providing an analysis of the analog signal associated with the digital device;
a decision component for characterizing the analysis of the analog signal associated with the digital device and determining whether or not to activate a security feature based on policy functions. - View Dependent Claims (18, 19, 20, 21, 22)
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23. A system for providing security, comprising:
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a controlled device having a controlled interface to a medium, an analog-to-digital converter operatively connected to the controlled interface for receiving an analog signal and providing digital samples;
a data selection and reduction component operatively connected to the analog-to-digital converter for receiving the digital samples and selectively storing selected or reduced digital samples within a storage component;
an analysis component for analyzing the digital samples;
a policy component for making decisions based on output from the analysis component. - View Dependent Claims (24, 25, 26)
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Specification