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SAFE(4) Device Drivers Manual SAFE(4)

safe —
SafeNet crypto accelerator

safe* at pci?

The safe driver supports cards containing any of the following chips:
SafeNet 1141
The original chipset. Supports DES, Triple-DES, AES, MD5, and SHA-1 symmetric crypto operations, RNG, public key operations, and full IPsec packet processing.
SafeNet 1741
A faster version of the 1141.

The safe driver registers itself to accelerate Triple-DES, AES, MD5-HMAC, and SHA1-HMAC operations for ipsec(4).

Additionally, the driver provides input to the random(4) subsystem.

safe0: Reduce max DMA size to N words for rev X.Y
The 1.0 silicon has major pci(4) bugs and may lock the bus completely. There is no easy workaround.

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

Early silicon revisions can wedge the PCI bus.
December 10, 2015 OpenBSD-current