Table 12 The NIST analysis including different tests for the proposed 5HSCA scheme.

From: A secure and efficient image encryption scheme based on chaotic systems and nonlinear transformations

Test

p-value

Result

Frequency

0.487868

Success

Block Frequency

0.193022

Success

Run

0.706939

Success

Long runs of ones

0.739653

Success

Rank

0.152562

Success

Spectral F.F.T.

0.750818

Success

Non overlapping

0.999811

Success

Overlapping

0.193046

Success

Universal

0.193104

Success

Serial

0.926652

Success

Serial

0.476694

Success

Approx. entropy

0.687223

Success

Cum. sums forward

0.609749

Success

Cum. sums reverse

0.581240

Success

Random Excursions (Average)

0.462642

Success

Random Excursions Variant (Average)

0.5401975

Success