---
name: "omrng"
section: "4"
platform: "openbsd"
package: "man"
version: "8.0-current-20261101"
release: "OpenBSD 8.0-current (2026-11-01)"
platforms: ["openbsd"]
url: "https://new.carta.tech/omrng"
---

# omrng(4)

OMAP random number generator

## NAME

**omrng** – OMAP random number generator

## SYNOPSIS

**omrng\* at fdt?**

## DESCRIPTION

The **omrng** driver provides support for the random number generator found on TI OMAP3, OMAP4 and AM335x SoCs.

It feeds the random subsystem's entropy pool with 64 bits of random data every second.

## SEE ALSO

[intro(4)](/intro/4.md), [random(4)](/random/4.md), [arc4random(9)](/arc4random/9.md)

## HISTORY

The **omrng** driver first appeared in OpenBSD 6.7.

## AUTHORS

The **omrng** driver was written by Mark Kettenis ⟨*kettenis@openbsd.org*⟩.