---
name: "qcrng"
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/qcrng"
---

# qcrng(4)

Qualcomm Snapdragon random number generator

## NAME

**qcrng** – Qualcomm Snapdragon random number generator

## SYNOPSIS

**qcrng\* at fdt?**

## DESCRIPTION

The **qcrng** driver provides support for the random number generator found on the Qualcomm Snapdragon SoCs.

It feeds the random subsystem's entropy pool with 32 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 **qcrng** driver first appeared in OpenBSD 7.4.

## AUTHORS

The **qcrng** driver was written by Peter Hessler ⟨*phessler@openbsd.org*⟩, based on the [amlrng(4)](/amlrng/4.md) driver by Mark Kettenis ⟨*kettenis@openbsd.org*⟩.