Table 6 Keys used for the key sensitivity test.

From: FPGA based implementation of a perturbed Chen oscillator for secure embedded cryptosystems

Key

Initial values

Control parameters

\({X}_{0}\)

\({\text{Y}}_{0}\)

\({Z}_{0}\)

\(a\)

\(b\)

\(c\)

Key1

\(-1\)

\(-1\)

\(-1\)

\(35\)

\(3\)

\(28\)

Key2

\(-1+{2}^{-20}\)

\(-1\)

\(-1\)

\(35\)

\(3\)

\(28\)

Key3

\(-1\)

\(-1+{2}^{-20}\)

\(-1\)

\(35\)

\(3\)

\(28\)

Key4

\(-1\)

\(-1\)

\(-1+{2}^{-20}\)

\(35\)

\(3\)

\(28\)

Key5

\(-1\)

\(-1\)

\(-1\)

\(35+{2}^{-20}\)

\(3\)

\(28\)

Key6

\(-1\)

\(-1\)

\(-1\)

\(35\)

\(3+{2}^{-20}\)

\(28\)

Key7

\(-1\)

\(-1\)

\(-1\)

\(35\)

\(3\)

\(28+{2}^{-20}\)