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• NAME
• SYNOPSIS
• DESCRIPTION
• OPTIONS
• SEE ALSO
• COPYRIGHT

NAME

openssl-rand, rand - generate pseudo-random bytes

SYNOPSIS

openssl rand [-help] [-out file] [-rand file(s)] [-base64] [-hex] num

DESCRIPTION

The rand command outputs num pseudo-random bytes after seeding the random number generator once. As in other openssl command line tools, PRNG seeding uses the file $HOME/.rnd or .rnd in addition to the files given in the -rand option. A new $HOME/.rnd or .rnd file will be written back if enough seeding was obtained from these sources.

OPTIONS

-help

Print out a usage message.

-out file

Write to file instead of standard output.

-rand file(s)

Use specified file or files or EGD socket (see -base64

Perform base64 encoding on the output.

-hex

Show the output as a hex string.

COPYRIGHT

Copyright 2000-2016 The OpenSSL Project Authors. All Rights Reserved.

Licensed under the OpenSSL license (the "License"). You may not use this file except in compliance with the License. You can obtain a copy in the file LICENSE in the source distribution or at https://www.openssl.org/source/license.html.