Table 13 NIST test results for the encrypted image.

From: Optimizing color image security using hybrid cryptographic techniques based on sine and logistic maps

Test name

P-value

Result

Frequency (Monobit) test

0.8943

Passed

Block Frequency test

0.9231

Passed

Runs test

0.1065

Passed

Longest run of ones

0.7132

Passed

Rank test

0.3527

Passed

Discrete fourier transform test

0.7476

Passed

Non-overlapping template matching

0.6245

Passed

Overlapping template matching

0.5121

Passed

Universal Statistical Test

0.8314

Passed

Linear complexity test

0.4792

Passed

Serial test

0.6934

Passed

Approximate entropy test

0.4179

Passed

Cumulative sums (forward) test

0.7413

Passed

Cumulative sums (reverse) test

0.6985

Passed

Random excursions variant test

0.5517

Passed