[thirdparty/u-boot.git] / doc / usage / cmd / rng.rst

.. SPDX-License-Identifier: GPL-2.0+

.. index::
   single: rng (command)

rng command
===========

Synopsis
--------

::

    rng [devnum [n]]

Description
-----------

The *rng* command reads the random number generator(RNG) device and
prints the random bytes read on the console. A maximum of 64 bytes can
be read in one invocation of the command.

devnum
    The RNG device from which the random bytes are to be
    read. Defaults to 0.

n
    Number of random bytes to be read and displayed on the
    console. Default value is 0x40. Max value is 0x40.
Commit	Line	Data
4bdbb54e SG	1	.. SPDX-License-Identifier: GPL-2.0+
4bdbb54e SG	2
60971e63 HS	3	.. index::
	4	single: rng (command)
	5
4bdbb54e SG	6	rng command
	7	===========
	8
	9	Synopsis
	10	--------
	11
	12	::
	13
	14	rng [devnum [n]]
	15
	16	Description
	17	-----------
	18
	19	The rng command reads the random number generator(RNG) device and
	20	prints the random bytes read on the console. A maximum of 64 bytes can
	21	be read in one invocation of the command.
	22
	23	devnum
	24	The RNG device from which the random bytes are to be
	25	read. Defaults to 0.
	26
	27	n
	28	Number of random bytes to be read and displayed on the
	29	console. Default value is 0x40. Max value is 0x40.