A Novel Multiband Remote-Sensing Image Encryption Algorithm Based on Dual-Channel Key Transmission Model

Table 9

NIST test of ciphertext.

Test name	value	Result
Approximate entropy	0.427387	Success
Block-frequency	0.029985	Success
Cumulative sums forward	0.487697	Success
Cumulative sums reverse	0.465932	Success
FFT	0.586651	Success
Frequency test	0.977964	Success
Linear complexity	0.359776	Success
Long runs of ones	0.636096	Success
No overlapping templates	0.649028	Success
Overlapping templates	0.420637	Success
Rank	0.212753	Success
Runs	0.596840	Success
Serial	0.864691	Success
Serial	0.886909	Success
Universal	0.423527	Success
Random excursions	0.990540	Success
Random excursions variant	0.948230	Success