Re: [PATCH v2] crypto: arm64: CE: implement export/import

[Herbert Xu]

On Mon, Feb 24, 2020 at 02:47:41PM +0000, Corentin Labbe wrote:
> When an ahash algorithm fallback to another ahash and that fallback is
> shaXXX-CE, doing export/import lead to error like this:
> alg: ahash: sha1-sun8i-ce export() overran state buffer on test vector 0, cfg=\"import/export\"
> 
> This is due to the descsize of shaxxx-ce being larger than struct shaxxx_state
> off by an u32.
> For fixing this, let's implement export/import which rip the finalize
> variant instead of using generic export/import.
> 
> Fixes: 6ba6c74dfc6b ("arm64/crypto: SHA-224/SHA-256 using ARMv8 Crypto Extensions")
> Fixes: 2c98833a42cd ("arm64/crypto: SHA-1 using ARMv8 Crypto Extensions")
> 
> Signed-off-by: Corentin Labbe <clabbe@xxxxxxxxxxxx>
> ---
> Changes since v1:
> - memcpy directly &sctx->sst instead of sctx. As suggested by Eric Biggers
> 
>  arch/arm64/crypto/sha1-ce-glue.c | 20 ++++++++++++++++++++
>  arch/arm64/crypto/sha2-ce-glue.c | 23 +++++++++++++++++++++++
>  2 files changed, 43 insertions(+)

Patch applied.  Thanks.
-- 
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
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