A Channel State Information-Based Key Generation Scheme for Internet of Things

Table 1

Randomness evaluation of generated secrets using NIST test suite.

NIST statistical test suite	-value
Block frequency test	0.484105
Long-run test	0.475302
Monobit test	0.492563
Key entropy	0.299363
Maurer universal statistical test	0.138716
Discrete Fourier transform (spectral) test	0.458082
Overlapping template matching test	0.484105