Re: [PATCH 1/3] crypto: s390 - Remove des and des3_ede code

Harald Freudenberger
2026-04-09T11:02:30Z

On 2026-03-27 18:32, Eric Biggers wrote:
> On Fri, Mar 27, 2026 at 09:52:31AM +0100, Holger Dengler wrote:
>> Hi Eric,
>>
>> On 26/03/2026 21:12, Eric Biggers wrote:
>> > Since DES and Triple DES are obsolete, there is very little point in
>> > maintining architecture-optimized code for them. Remove it.
>> >
>> > Signed-off-by: Eric Biggers <ebiggers@kernel.org>
>>
>> Are there plans to completely remove des/3des in-kernel crypto support
>> from
>> the kernel or is it just the arch-specific code, that is removed?
>
> Just the arch-specific code for now. It will just make these like RC4
> and MD4 which are still implemented for compatibility reasons but only
> with generic C code. Someday (years from now) we should remove all of
> these entirely, but for now the best we can hope for is simplifying the
> implementations to just the generic C code.
>
> - Eric

Reviewed-by: Harald Freudenberger <freude@linux.ibm.com>