openssl-rand, rand - generate pseudo-random bytes
openssl rand [-help] [-out file] [-rand
file(s)] [-base64] [-hex] num
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.
- 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 RAND_egd(3)) for
seeding the random number generator. Multiple files can be specified
separated by an OS-dependent character. The separator is ; for
MS-Windows, , for OpenVMS, and : for all others.
- Perform base64 encoding on the output.
- Show the output as a hex string.
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Licensed under the OpenSSL license (the "License"). You
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