Hello Krzysztof, On 06/02/2016 01:55 AM, Krzysztof Kozlowski wrote: > The Exynos SoC provides a Security SubSystem block for accelerating some > cryptographic operations. Enable the driver for it - s5p-secss to > utilize the hardware acceleration. > > Currently the s5p-secss driver supports AES in CBC and ECB modes. > However its usefulness could be doubted. Excerpt of tests on Odroid XU3 > (Exynos5422), for 256 bit key, encryption, performance CPU freq governor: > > algorithm | block size [b] | average speed [MB/s] | > cbc-aes-s5p | 16 | 11.5 | > cbc-aes-s5p | 64 | 25.4 | > cbc-aes-s5p | 256 | 41.0 | > cbc-aes-s5p | 1024 | 47.4 | > cbc-aes-s5p | 8192 | 49.0 | > cbc(aes-generic) | 16 | 0.4 | > cbc(aes-generic) | 64 | 1.8 | > cbc(aes-generic) | 256 | 6.6 | > cbc(aes-generic) | 1024 | 25.2 | > cbc(aes-generic) | 8192 | 83.1 | > > Anyway enable the driver so it will get some testing coverage by > community. > > Signed-off-by: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx> > --- Reviewed-by: Javier Martinez Canillas <javier@xxxxxxxxxxxxxxx> Best regards, -- Javier Martinez Canillas Open Source Group Samsung Research America -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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