Research Article

True-Randomness and Pseudo-Randomness in Ring Oscillator-Based True Random Number Generators

Figure 4

Results of the FIPS 140-2 tests in simulation with 30 ps of Gaussian jitter for Sunar's and Wold's architecture (excluding long runs that always passed), the tests pass if the results are in the gray region or are equal to zero for the “Runs” test.
879281.fig.004a
(a) Monobit
879281.fig.004b
(b) Poker
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(c) Failed runs