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Table 4 Quantum exhaustive key search

From: Quantum exhaustive key search with simplified-DES as a case study

 

Ciphertext

Oracle qubit and key and plaintext

Probability

0

0011 0011

\(\vert 1\,0000000000\,00010000 \rangle\)

\(5.266659\times 10^{-07}\)

1

0011 0011

\(\vert 1\,0000000001\,00010000 \rangle\)

\(5.266659\times 10^{-07}\)

\(\vdots\)

\(\vdots\)

\(\vdots\)

\(\vdots\)

787

0011 0011

\(\vert 1\,1100010011\,00010000 \rangle\)

0.9994553

\(\vdots\)

\(\vdots\)

\(\vdots\)

\(\vdots\)

1022

0011 0011

\(\vert 1\,1111111110\,00010000 \rangle\)

\(5.266659\times 10^{-07}\)

1023

0011 0011

\(\vert 1\,1111111111\,00010000 \rangle\)

\(5.266659\times 10^{-07}\)