[PATCH 1/2] rc4: mark key as const

[Philipp Tomsich]

On Fri, 18 Nov 2022 at 17:13, John Keeping <john at metanate.com> wrote:
>
> Key data is never written so the parameter can be const, which allows
> putting fixed keys in .rodata.
>
> Signed-off-by: John Keeping <john at metanate.com>

Reviewed-by: Philipp Tomsich <philipp.tomsich at vrull.eu>