Table 24 NIST test of female encrypted Image.

From: A novel color images security-based on SPN over the residue classes of quaternion integers \(\:\varvec{H}{\left(\mathbb{Z}\right)}_{\varvec{\pi\:}}\)

Test

P – values for RGB encrypted image

Results

 

Red

Green

Blue

 

Frequency

 

0.61288

0.54795

0.63526

\(\:\surd\:\)

Block frequency

 

0.83808

0.22275

0.9234

\(\:\surd\:\)

Rank

 

0.29191

0.29191

0.29191

\(\:\surd\:\)

Runs (M = 10,000)

 

0.68395

0.75614

0.73061

\(\:\surd\:\)

Long runs of ones

 

0.7127

0.7127

0.7127

\(\:\surd\:\)

Overlapping templates

 

0.85988

0.81567

0.85988

\(\:\surd\:\)

No overlapping templates

 

0.99561

0.95715

0.99999

\(\:\surd\:\)

Spectral DFT

 

0.88464

0.30979

0.30979

\(\:\surd\:\)

Approximate entropy

 

0.26587

0.92166

0.37718

\(\:\surd\:\)

Universal

 

0.99352

0.9973

0.99982

\(\:\surd\:\)

Serial

p values 1

0.18884

0.83091

0.37817

\(\:\surd\:\)

Serial

p values 2

0.058652

0.7675

0.16876

\(\:\surd\:\)

Cumulative sums forward

 

0.23676

0.27679

0.24299

\(\:\surd\:\)

Cumulative sums reverse

 

0.79042

0.23462

0.64006

\(\:\surd\:\)

Random excursions

Y = −4

0.097615

0.18907

0.55689

\(\:\surd\:\)

 

Y = −3

0.11331

0.80604

0.01149

\(\:\surd\:\)

 

Y = −2

0.042761

0.59425

0.90481

\(\:\surd\:\)

 

Y = −1

0.10735

0.98501

0.97355

\(\:\surd\:\)

 

Y = 1

0.0062817

0.21978

0.64473

\(\:\surd\:\)

 

Y = 2

0.019065

0.045966

0.16576

\(\:\surd\:\)

 

Y = 3

0.0000388

0.92582

0.6879

\(\:\surd\:\)

 

Y = 4

0.39835

0.57924

0.26912

\(\:\surd\:\)

Random excursions variants

Y = −5

0.084871

0.22446

0.74061

\(\:\surd\:\)

 

Y = −4

0.087343

0.21051

0.47186

\(\:\surd\:\)

 

Y = −3

0.082947

0.18239

0.35481

\(\:\surd\:\)

 

Y = −2

0.062138

0.25112

0.19701

\(\:\surd\:\)

 

Y = −1

0.0337335

0.43951

0.2466

\(\:\surd\:\)

 

Y = 1

0.021592

1

0.15945

\(\:\surd\:\)

 

Y = 2

0.00325

0.84831

0.10425

\(\:\surd\:\)

 

Y = 3

0.0063491

0.76699

0.18272

\(\:\surd\:\)

 

Y = 4

0.047597

1

0.41605

\(\:\surd\:\)

 

Y = 5

0.22226

0.88294

0.6195

\(\:\surd\:\)

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