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authorHuang Ying <ying.huang@intel.com>2010-03-10 18:28:55 +0800
committerHerbert Xu <herbert@gondor.apana.org.au>2010-03-10 18:28:55 +0800
commit12387a46bb150f5608de4aa9a90dfdddbf991e3f (patch)
treea840b4a5da93cc3658eeb2477e47f402d0c77e28 /crypto
parent269ab459da46ae37979a0d16307d1fcaa05600b2 (diff)
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crypto: aesni-intel - Add AES-NI accelerated CTR mode
To take advantage of the hardware pipeline implementation of AES-NI instructions. CTR mode cryption is implemented in ASM to schedule multiple AES-NI instructions one after another. This way, some latency of AES-NI instruction can be eliminated. Performance testing based on dm-crypt should 50% reduction of ecryption/decryption time. Signed-off-by: Huang Ying <ying.huang@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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