Add man page2.0

Signed-off-by: Mattias Andrée <maandree@kth.se>

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+.TH KRANDOM 1 krandom
+
+.SH NAME
+krandom - Keccak-based userspace pseudorandom number generator
+
+.SH SYNOPSIS
+.B krandom
+[-C
+.IR capacity ]
+[-N
+.IR output-size ]
+[-R
+.IR rate ]
+[-S
+.IR state-size ]
+[-W
+.IR word-size ]
+[-v]
+
+.SH DESCRIPTION
+.B krandom
+create a Keccak sponge with a random state and continually
+squeezes it to generate pseudorandom binary data.
+.PP
+Like
+.BR yes (1),
+.B krandom
+will automatically pause soon after the other end of the
+standard output pipe stops reading and will terminate with
+no process reading at the other end of the standard output
+pipe anymore.
+.PP
+With the default parameters, krandom is about twice
+as fast as Linux's /dev/urandom. And it's tunable!
+
+.SH OPTIONS
+The following options are supported:
+.TP
+.BI -C\  capacity
+Select Keccak capacity.
+.TP
+.BI -R\  rate
+Select Keccak rate.
+.TP
+.BI -N\  output-size
+Select Keccak output size. This is the size of a squeezed
+block, the total output is unlimited.
+.TP
+.BI -S\  state-size
+Select Keccak state size.
+.TP
+.BI -W\  state-size
+Select Keccak word size.
+.TP
+.B -v
+Print extra information.
+
+.SH OPERANDS
+No operands are supported.
+
+.SH STDIN
+The
+.B krandom
+does not use the standard input.
+
+.SH INPUT FILES
+None.
+
+.SH ENVIRONMENT VARIABLES
+No environment variables affects the execution of
+.BR krandom
+
+.SH ASYNCHRONOUS EVENTS
+Default.
+
+.SH STDOUT
+The
+.B krandom
+utility prints psuedorandom binary data to the standard output.
+
+.SH STDERR
+The standard error is used for diagnostic messages.
+
+.SH OUTPUT FILES
+None.
+
+.SH EXTENDED DESCRIPTION
+None.
+
+.SH EXIT STATUS
+If the
+.B krandom
+utility fails it will exit withone of the following statuses:
+.TP
+0
+Successful completion.
+.TP
+1
+User error.
+.TP
+2
+An error occurred.
+
+.SH CONSEQUENCES OF ERRORS
+Default.
+
+.SH APPLICATION USAGE
+None.
+
+.SH EXAMPLES
+None.
+
+.SH RATIONALE
+None.
+
+.SH NOTES
+.B krandom
+is a terrible entropy-generator. Good ways to generate entropy
+include: typing randomly in the terminal, moving the rat pointer
+around erratically, running ping, listening to music, and
+watching videos.
+
+.SH BUGS
+None.
+
+.SH FUTURE DIRECTIONS
+None.
+
+.SH SEE ALSO
+.BR random(4),
+.BR getrandom(2)