Re: [PATCH v7 2/2] crypto: s5p-sss: Add HASH support for Exynos

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On Tue, Oct 17, 2017 at 1:28 PM, Kamil Konieczny
<k.konieczny@xxxxxxxxxxxxxxxxxxx> wrote:
> Add support for MD5, SHA1, SHA256 hash algorithms for Exynos HW.
> It uses the crypto framework asynchronous hash api.
> It is based on omap-sham.c driver.
> S5P has some HW differencies and is not implemented.
>
> Modifications in s5p-sss:
>
> - Add hash supporting structures and functions.
>
> - Modify irq handler to handle both aes and hash signals.
>
> - Resize resource end in probe if EXYNOS_HASH is enabled in
>   Kconfig.
>
> - Add new copyright line and new author.
>
> - Tested on Odroid-U3 with Exynos 4412 CPU, kernel 4.13-rc6
>   with crypto run-time self test testmgr
>   and with tcrypt module with: modprobe tcrypt sec=1 mode=N
>   where N=402, 403, 404 (MD5, SHA1, SHA256).
>
> Modifications in drivers/crypto/Kconfig:
>
> - Add new CRYPTO_DEV_EXYNOS_HASH, depend on !EXYNOS_RNG
>   and CRYPTO_DEV_S5P
>
> - Select sw algorithms MD5, SHA1 and SHA256 in EXYNOS_HASH
>   as they are nedded for fallback.
>
> Signed-off-by: Kamil Konieczny <k.konieczny@xxxxxxxxxxxxxxxxxxx>
> ---
>  drivers/crypto/Kconfig   |   14 +
>  drivers/crypto/s5p-sss.c | 1407 +++++++++++++++++++++++++++++++++++++++++++++-
>  2 files changed, 1411 insertions(+), 10 deletions(-)


Reviewed-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>

Best regards,
Krzysztof
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