Re: [PATCH v6 06/17] firmware: qcom: scm: add a call for deriving the software secret

[Bartosz Golaszewski]

On Mon, Sep 9, 2024 at 1:23 PM Konrad Dybcio <konradybcio@xxxxxxxxxx> wrote:
> > +
> > +     memzero_explicit(secret_buf, sw_secret_size);
> > +
> > +out_free_wrapped:
>
> Is there a reason to zero out the buffer that's being zero-allocated?
>

It's my understanding that it is a good practice in crypto routines to
immediately and explicitly zero out the memory used for storing
secrets.

Bart