DOKK / manpages / debian 12 / altos / ao-usbtrng.1.en
AO-USBTRNG(1) General Commands Manual AO-USBTRNG(1)

ao-usbtrng - dump random numbers from USBtrng

ao-usbtrng [OPTION...] [KBYTES]

ao-usbtrng dumps random numbers from a USBtrng device. If provided KBYTES specifies the number of 1024 byte blocks to produce on standard output. Without KBYTES ao-usbtrng produces random bytes continuously until killed.

increase verbosity
This selects which tty device the debugger uses to communicate with the target device. The special name 'BITBANG' directs ao-dbg to use the cp2103 connection, otherwise this should be a usb serial port connected to a suitable cc1111 debug node.
Search for a connected device. This requires an argument of one of the following forms:
usbtrng:2
usbtrng
2
Leaving out the product name will cause the tool to select a suitable product, leaving out the serial number will cause the tool to match one of the available devices.

ao-usbtrng opens the target device and reads the specified number of KBYTES of random data.

Keith Packard

ao-usbtrng