[PATCH 1/3] crypto: sm4 - create SM4 library based on sm4 generic code

[Jason A. Donenfeld]

On Tue, Mar 1, 2022 at 2:22 PM Jason A. Donenfeld <Jason at zx2c4.com> wrote:
> You additional export symbols of those SIMD implementations in
> arch/crypto/, which is not correct either, since nothing in the tree
> uses those symbols. Please remove those EXPORT_SYMBOL directives as
> well. Those functions can be static, and do not need to be declared in
> the .h file.

Actually, this part isn't quite so, because you share the avx
implementation in the avx2 implementation. However,

> Yes, and those accelerated implementations are part of the crypto API,
> and are not used by anything except the crypto API. Hence this should
> be in crypto/, just like everything else that is /only/ used for the
> cryto API. lib/crypto/ is for in-kernel users of crypto via normal
> code paths. sm4.c does not belong in lib/crypto/ and should be moved.

This still holds.

Jason