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This is the command rngtest that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

PROGRAM:

NAME


rngtest - Check the randomness of data using FIPS 140-2 tests

SYNOPSIS


rngtest [-c n | --blockcount=n] [-b n | --blockstats=n] [-t n | --timedstats=n] [-p |
--pipe] [-?] [--help] [-V] [--version]

DESCRIPTION


rngtest works on blocks of 20000 bits at a time, using the FIPS 140-2 (errata of
2001-10-10) tests to verify the randomness of the block of data.

It takes input from stdin, and outputs statistics to stderr, optionally echoing blocks
that passed the FIPS tests to stdout (when operating in pipe mode). Errors are sent to
stderr.

At startup, rngtest will trow away the first 32 bits of data when operating in pipe mode.
It will use the next 32 bits of data to bootstrap the FIPS tests (even when not operating
in pipe mode). These bits are not tested for randomness.

Statistics are dumped to stderr when the program exits.

OPTIONS


-p, --pipe
Enable pipe mode. All data blocks that pass the FIPS tests are echoed to stdout,
and rngtest operates in silent mode.

-c n, --blockcount=n (default: 0)
Exit after processing n input blocks, if n is not zero.

-b n, --blockstats=n (default: 0)
Dump statistics every n blocks, if n is not zero.

-t n, --timedstats=n (default: 0)
Dump statistics every n seconds, if n is not zero.

-?, --help
Give a short summary of all program options.

-V, --version
Print program version

STATISTICS


rngtest will dump statistics to stderr when it exits, and when told to by blockstats or
timedstats.

FIPS 140-2 successes and FIPS 140-2 failures counts the number of 20000-bit blocks either
accepted or rejected by the FIPS 140-2 tests. The other statistics show a breakdown of
the FIPS 140-2 failures by FIPS 140-2 test. See the FIPS 140-2 document for more
information (note that these tests are defined on FIPS 140-1 and FIPS 140-2 errata of
2001-10-10. They were removed in FIPS 140-2 errata of 2002-12-03).

The speed statistics are taken for every 20000-bit block transferred or processed.

EXIT STATUS


0 if no errors happen, and no blocks fail the FIPS tests.

1 if no errors happen, but at least one block fails the FIPS tests.

10 if there are problems with the parameters.

11 if an input/output error happens.

12 if an operating system or resource starvation error happens.

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