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ubsec (4)
  • >> ubsec (4) ( FreeBSD man: Специальные файлы /dev/* )

  • BSD mandoc
     

    NAME

    
    
    ubsec
    
     - Broadcom and BlueSteel uBsec 5x0x crypto accelerator
    
     
    

    SYNOPSIS

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

    Alternatively, to load the driver as a module at boot time, place the following line in loader.conf5:

    ubsec_load="YES"
    
     

    DESCRIPTION

    The driver supports cards containing Broadcom and BlueSteel uBsec 5x0x crypto accelerator chips.

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

    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 random(4) subsystem.  

    HARDWARE

    The 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 a RNG, and had a number of other bugs.
    Bluesteel 5601
    A faster and fixed version of the original, with a random number unit and large number engine added.
    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.
    Broadcom BCM5822
    Faster version of the BCM5820.
    Broadcom BCM5823
    A BCM5822 with AES capability.

     

    SEE ALSO

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

    HISTORY

    The device driver appeared in Ox 2.8 . The device driver was imported to Fx 5.0 .  

    BUGS

    The BCM5801 and BCM5802 have not actually been tested. The AES capability of the BCM5823 is not yet supported; it is awaiting public disclosure of programming information from Broadcom.


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    HARDWARE
    SEE ALSO
    HISTORY
    BUGS


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