This is a set of traces from a cryptographic device Xilinx Spartan XC3s5000 running at a frequency around 33 MHz and collected by an oscilloscope Agile infiniium DSO80204B 2Ghz 40GSa/s. The cryptographic device implemented the bloc cipher ‘Triple Data Encryption Algorithm’ and the traces have been reduced with the feature selection `mRMR`

in order to obtain only 300 components from 20001 initially.

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*powerC* is a matrix with 256 rows and 301 columns. From the first to the *300_th* component of *powerC*, each row is a trace. The secret to retrieve by these traces is a bit of the secret key used by the cryptographic device. The value of this bit is given by the *301_th* component of *powerC*.

Liran Lerman llerman@ulb.ac.be & Gianluca Bontempi gbonte@ulb.ac.be@ulb.ac.be & Olivier Markowitch olivier.markowitch@ulb.ac.be

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