ubsec(4) - NetBSD Manual Pages

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UBSEC(4)                NetBSD Kernel Interfaces Manual               UBSEC(4)


NAME

     ubsec -- Broadcom and BlueSteel uBsec 5x0x crypto accelerator


SYNOPSIS

     ubsec* at pci? dev ? function ?


DESCRIPTION

     The ubsec driver supports cards containing any of the following chips:

           Bluesteel 5501    The original chipset, no longer made.  This
                             extremely rare unit was not very fast, lacked an
                             RNG, and had a number of other bugs.

           Broadcom BCM5801  A BCM5805 without public key engine or random
                             number generator.

           Broadcom BCM5802  A slower version of the BCM5805.

           Broadcom BCM5805  Faster version of Bluesteel 5601.

           Broadcom BCM5820  64 bit version of the chip, and significantly
                             more advanced.

           Broadcom BCM5821  Faster version of the BCM5820.  This is the chip
                             found on the Sun Crypto Accelerator 1000.

           Broadcom BCM5822  Faster version of the BCM5820.

           Broadcom BCM5823  Faster version of the BCM5822 that also supports
                             AES.

           Broadcom BCM5825  Faster PCI Express or PCI-X version of the chip.

           Broadcom BCM5860  IPSec/SSL Security Processor that is faster and
                             has more features.

           Broadcom BCM5861  Faster version of the BCM5860.

           Broadcom BCM5862  Faster version of the BCM5861.

     The ubsec driver registers itself to accelerate DES, Triple-DES, MD5,
     SHA1, MD5-HMAC, and SHA1-HMAC operations for opencrypto(9), and thus for
     ipsec(4) and crypto(4).  The driver also supports acceleration of AES-CBC
     with the BCM5823 or newer.

     On those models which contain a public key engine (almost all of the more
     recent ones), this feature is registered with the crypto(4) subsystem.

     On all models except the Bluesteel 5501 and Broadcom 5801, the driver
     registers itself to provide random data to the rnd(4) subsystem.


SEE ALSO

     crypto(4), intro(4), ipsec(4), rnd(4), opencrypto(9)


HISTORY

     The ubsec device driver appeared in OpenBSD 2.8.  The ubsec device driver
     was imported to FreeBSD 5.0, back-ported to FreeBSD 4.8, and subsequently
     imported to NetBSD 2.0.


BUGS

     The BCM5801 and BCM5802 have not actually been tested.

NetBSD 10.1                      June 13, 2018                     NetBSD 10.1