tldr/pages/linux/mcookie.md

mcookie

Generates random 128-bit hexadecimal numbers. More information: https://manned.org/mcookie.

• Generate a random number:

mcookie

• Generate a random number, using the contents of a file as a seed for the randomness:

mcookie --file {{path/to/file}}

• Generate a random number, using a specific number of bytes from a file as a seed for the randomness:

mcookie --file {{path/to/file}} --max-size {{number_of_bytes}}

• Print the details of the randomness used, such as the origin and seed for each source:

mcookie --verbose