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Man Pages
ARMV8CRYPTO(4) FreeBSD Kernel Interfaces Manual ARMV8CRYPTO(4)

armv8crypto —
driver for the AES accelerator on ARM CPUs

To compile this driver into the kernel, place the following lines in your kernel configuration file:
device crypto
device armv8crypto

Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5):

armv8crypto_load="YES"

Starting with the ARMv8 architecture ARM Limited has added optional cryptography instructions to accelerate AES, SHA-1, SHA-2, and finite field arithmetic.

The processor capability is reported as AES in the Instruction Set Attributes 0 line at boot. The armv8crypto driver does not attach on systems that lack the required CPU capability.

The armv8crypto driver registers itself to accelerate AES operations for crypto(4).

crypt(3), crypto(4), intro(4), ipsec(4), random(4), crypto(7), crypto(9)

The armv8crypto driver first appeared in FreeBSD 11.0.

The armv8crypto driver was written by Andrew Turner <andrew@FreeBSD.org>.
July 29, 2020 FreeBSD 13.1-RELEASE
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