CCP(4) | Device Drivers Manual | CCP(4)

# NAME

`ccp` — AMD cryptographic co-processor

# SYNOPSIS

`ccp* at acpi?`
`ccp* at fdt?`
`ccp* at pci?`

# DESCRIPTION

AMD cryptographic co-processor devices provide offload for various cryptographic algorithms, offload of zlib compression and decompression, and a random number generator.

The `ccp` driver supports feeding output of the random number generator into the kernel entropy pool.

# SEE ALSO

intro(4), psp(4), random(4), arc4random(9)

# HISTORY

The `ccp` driver first appeared in OpenBSD 6.4.

# AUTHORS

The `ccp` driver was written by David Gwynne <dlg@openbsd.org>.

September 4, 2024 | Debian