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RIOT/tests/rng
2020-01-10 10:07:56 -08:00
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tests
main.c many typo fixes 2019-11-23 22:39:07 +01:00
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README.md
test.c tests/rng: reflecting xtimer's member change 2020-01-10 10:07:56 -08:00
test.h

RNG

Test application for the RNG sourcs.

Supported commands

  • distributions [N] — Take N samples and print a bit distribution graph on the terminal.
  • dump [N][A B] — Take N samples and print them on the terminal. If A and B are set, the PRNG returns values in the [A,B)-interval.
  • fips — Run the FIPS 140-2 random number tests.
  • entropy [N] — Calculate Shannon's entropy from N samples.
  • seed [N] — Set the random seed to use.
  • source [N] — Select the RNG source, or list them all.
  • speed [N][A B] — Run a PRNG for N seconds and print the number of KiB/sec afterwards. If A and B are set, the PRNG returns values in the [A,B)-interval.

Sources

The following sources are supported:

  • PRNG
  • HW RNG (if available)
  • Constant number (uses the seed)

The PRNG is re-initialized before every test, using the given seed (default is 0).

A constant number source is useful to see if the test itself work, e.g. indicate failures.

Warning

The tools available in this test do not garruantee that a given RNG source is secure. It should, however, rule out basic failures using statistical tests.