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authorHariprasad Shenai <hariprasad@chelsio.com>2016-08-17 09:03:05 +0200
committerDavid S. Miller <davem@davemloft.net>2016-08-19 08:59:30 +0200
commit324429d74127d0cc8a1a42d20035f8f986149ec4 (patch)
tree05d9d8e48f8de04eea8640319630ce4e40b30660 /drivers/crypto/Kconfig
parentcxgb4: Register changes and fw defines for crypto (diff)
downloadlinux-324429d74127d0cc8a1a42d20035f8f986149ec4.tar.xz
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chcr: Support for Chelsio's Crypto Hardware
The Chelsio's Crypto Hardware can perform the following operations: SHA1, SHA224, SHA256, SHA384 and SHA512, HMAC(SHA1), HMAC(SHA224), HMAC(SHA256), HMAC(SHA384), HAMC(SHA512), AES-128-CBC, AES-192-CBC, AES-256-CBC, AES-128-XTS, AES-256-XTS This patch implements the driver for above mentioned features. This driver is an Upper Layer Driver which is attached to Chelsio's LLD (cxgb4) and uses the queue allocated by the LLD for sending the crypto requests to the Hardware and receiving the responses from it. The crypto operations can be performed by Chelsio's hardware from the userspace applications and/or from within the kernel space using the kernel's crypto API. The above mentioned crypto features have been tested using kernel's tests mentioned in testmgr.h. They also have been tested from user space using libkcapi and Openssl. Signed-off-by: Atul Gupta <atul.gupta@chelsio.com> Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
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