Re: [PATCH net-next v5 12/20] zinc: BLAKE2s generic C implementation and selftest

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Hey Eric,

On Wed, Sep 19, 2018 at 2:41 AM Eric Biggers <ebiggers@xxxxxxxxxx> wrote:
> This buffer is 4 times too long.

Nice catch.

> Or how about something much simpler:
>
> static inline void blake2s_final(struct blake2s_state *state, u8 *out,
>                                  const size_t outlen)
> {
> #ifdef DEBUG
>         BUG_ON(!out || !outlen || outlen > BLAKE2S_OUTBYTES);
> #endif
>         __blake2s_final(state);
>
>         cpu_to_le32_array(state->h, ARRAY_SIZE(state->h));
>         memcpy(out, state->h, outlen);
>
>         memzero_explicit(state, sizeof(*state));
> }

Oh, that's excellent, thanks. Much better than prior. I'll do exactly that.

Jason



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