Research Article

A Dynamic Image Encryption Scheme Based on Quantum Walk and Chaos-Induced DNA

Table 8

Chaos sequence and randomness of encrypted images.

StatisticalChaos sequenceEncrypted imageResults

The monobit test0.8607560.689611Pass
The frequency within the block test0.4011630.990926Pass
The runs test0.6005140.946440Pass
The longest run ones in a block test0.4800940.893439Pass
The binary matrix rank test0.2145210.345263Pass
The discrete Fourier transform test0.5460870.248709Pass
The nonoverlapping template matching test0.0957650.182840Pass
The overlapping template matching test0.3041260.354126Pass
The maurer’s universal test0.2751410.543087Pass
The linear complexity test0.3639080.627588Pass
The serial test0.7640280.807876Pass
The approximate entropy test0.9602770.718097Pass
The cumulative sums test0.1912620.883478Pass
The random excursion test0.2463830.215611Pass
The random excursion variant test0.2206710.150435Pass