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From: Evgeniy Polyakov <>
Subject: [ANN] Acrypto asynchronous crypto layer 2.6.20 release.
Date: Sat, 3 Feb 2007 19:21:18 +0300	[thread overview]
Message-ID: <> (raw)


I am pleased to announce new release of the acrypto for 2.6.20 kernel -
first asynchronous crypto layer for Linux kernel 2.6.

Acrypto allows to handle crypto requests asynchronously in hardware.

Acrypto supports following features:
 * multiple asynchronous crypto device queues
 * crypto session routing (allows to complete single crypto session when
   several operations (crypto, hmac, anything) are completed)
 * crypto session binding (bind crypto processing to specified device)
 * modular load balancing (one can created load balancer which will get
   into account for example pid of the calling process)
 * crypto session batching genetically implemented by design (acrypto
   provides the whole data structure to crypto device, i.e. it is
   possible to use acrypto as a bridge which routes requests between
   completely different devices, since it does not differentiate between
   users, just handles requests)
 * crypto session priority
 * different kinds of crypto operation(RNG, asymmetrical crypto, HMAC and
   any other)

Combined patchset includes:
 * acrypto core
 * IPsec ESP4 port to acrypto
 * dm-crypt port to acrypto
 * OCF to acrypto bridge, which allows to run OCF device
   drivers with acrypto (for example ixp4xx), requires OCF installed.

Ported crypto drivers and benchmarks can be found on acrypto homepage:

Changes from previous release:
 * moved to 2.6.20 API (work struct)
 * updated HIFN driver
   * crypto->acrypto conversation (by Markus Kammerst)
   * work struct changes
 * bugfixes

 * extend software provider to support all types of ciphers

2.6.16 - 2.6.19 releases moved to maintenance mode.

Patchset is not attached due to its size (190kb).

Signed-off-by: Evgeniy Polyakov <>

	Evgeniy Polyakov

                 reply	other threads:[~2007-02-03 16:21 UTC|newest]

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