Introduction
Electronic devices have to comply with consumption constraints especially on autonomous equipments, like mobile phones. Power analysis has been included into most certification processes regarding products dealing with information security such as smart cards.
The electrical consumption of any electronic device can be measured with a resistor inserted between the ground or Vcc pins and the actualground in order to transform the supplied current into a voltage easily monitored with an oscilloscope.
Within a micro-controller the peripherals consume differently. For instance writing into non-volatile memory requires more energy than reading. Certain chips for smart cards enclose a crypto-processor, i.e., a particular device dedicated to specific cryptographic operations, which generally entails a consumption increase. The consumption trace of a program running inside a micro-controller or a microprocessor is full of information. The signal analysis may disclose lots of things...
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© 2005 International Federation for Information Processing
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Joye, M., Olivier, F. (2005). Side-Channel Analysis. In: van Tilborg, H.C.A. (eds) Encyclopedia of Cryptography and Security. Springer, Boston, MA . https://doi.org/10.1007/0-387-23483-7_394
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DOI: https://doi.org/10.1007/0-387-23483-7_394
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