2008年5月5日 星期一

Asynchronous Linux Crypto - info

crypto lib feature

  • synchronous/asynchronous
  • hardware accelerator
  • protocol/packet acceleration
  • chaining operation
Openswan git
http://git.openswan.org/cgi-bin/gitweb.cgi

ocf-linux
  • David McCullough
  • Asynchronous Crypto suppor for MPC8360E's Security Engine
    it seems there was difference between ocf from sf.net and ocf from xelerance, however, http://hifn.xelerance.com/ is no longer available.
    You don't say if you ported OCF from sf.net, or from the OCF git tree
    on http://hifn.xelerance.com/

    The latter is based upon 2.6.18 kernel, so perhaps not.

    There have been numerous improvements in the past 4 months to OCF, but
    we are still not seeing multiple packets being submitted to the hardware
    driver layer from OCF    . As such, the hardware's pipeline is not being
    kept full.
  • [Openswan dev] Openswan 3.0.00 release (unstable): msg#00002
    Since April 2006, Xelerance has been hard under contract with Hifn to provide support in Linux and FreeBSD for the Hifn product line. {Likely, it will eventually work on NetBSD, and OSX too}

    We are finally putting the finishing touches on code that has slowly evolved. We have been trying to move our kernel component into a state where it could deal with doing asynchronous symmetric cryptography operations. Similarly, in userland we want to support doing asynchronous asymmetric public key operations. Being able to do this means being able to offload these things to hardware.

    We are pleased to announce a 3.0.00 release. It includes offload of both symmetric and assymetric operations.

    (..................................................)
  • http://www.openswan.org/code/
    Openswan 3.x
    3.0.xx is the first release to support the Open Cryptographic Framework(mkl:not ocf2), including hardware accelerators from Hifn.
  • not accept by linux kernel
ocf2
acrypto
Async blkcipher

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