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authorTobias Rauter <tobiasrauter@gmail.com>2013-05-19 23:59:38 +0400
committerHerbert Xu <herbert@gondor.apana.org.au>2013-05-28 11:43:03 +0400
commit519d8b1a9d81be7e4ffad8aa6b0e3ea03984bb86 (patch)
tree6406b4e813ec4d2578afe517a9bea191647933b6 /drivers/crypto/hifn_795x.c
parent91dc363a86142afcbc4e9c3ab31b0f4563b0f269 (diff)
downloadlinux-519d8b1a9d81be7e4ffad8aa6b0e3ea03984bb86.tar.xz
crypto: dcp - Added support for Freescale's DCP co-processor
This patch enables the DCP crypto functionality on imx28. Currently, only aes-128-cbc is supported. Moreover, the dcpboot misc-device, which is used by Freescale's SDK tools and uses a non-software-readable OTP-key, is added. Changes of v2: - ring buffer for hardware-descriptors - use of ablkcipher walk - OTP key encryption/decryption via misc-device (compatible to Freescale-SDK) - overall cleanup The DCP is also capable of sha1/sha256 but I won't be able to add that anytime soon. Tested with built-in runtime-self-test, tcrypt and openssl via cryptodev 1.6 on imx28-evk and a custom built imx28-board. Signed-off-by: Tobias Rauter <tobias.rauter@gmail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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