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Thu, 9 Apr 2026 11:02:23 +0000 (GMT) Precedence: bulk X-Mailing-List: linux-crypto@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Date: Thu, 09 Apr 2026 13:02:23 +0200 From: Harald Freudenberger To: Eric Biggers Cc: Holger Dengler , linux-crypto@vger.kernel.org, Herbert Xu , linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org, sparclinux@vger.kernel.org, x86@kernel.org Subject: Re: [PATCH 1/3] crypto: s390 - Remove des and des3_ede code Reply-To: freude@linux.ibm.com Mail-Reply-To: freude@linux.ibm.com In-Reply-To: <20260327173229.GB3407398@google.com> References: <20260326201246.57544-1-ebiggers@kernel.org> <20260326201246.57544-2-ebiggers@kernel.org> <65c3d229-57ee-4980-a13f-bc9661b4dda1@linux.ibm.com> <20260327173229.GB3407398@google.com> Message-ID: X-Sender: freude@linux.ibm.com Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDA5MDA5NyBTYWx0ZWRfXwpQ4HoefbzbT i7qTGPpifmClMxH7+LDYgCu6y+XEkp5uGaib4bMSs+igMDRlZLiaEXpC6+MhQ9RGzZQRkOCxlk3 S6CRIQygmRjr83fZas3uNHn5JUX2DGWCrR/Pi1UURKau8lGh6zMn0sJf6dwHJSH3Fsu2tQ02XE2 HaqjDHYMBXvPhdnBDXGl095aqR3A0gBzYCsWCnrkaWX+jfk9dDw5Ms0Ha553rI/+Ymo25et15Yd p7TrV3Oj2Fduap4E1UI1VOkex1+JkVobmHTHH+CuhovKZnLHFiqm9Q+mA0EirOC4L+2YQu+k73B TQ0tvSMudI66Ir/v4EzhDqR/Gb7gUJqtj/+56TP0lyNv/kcNZ39VpfQ0O3cF/zxPM9iq/mpdaCs jCPXEQM1Y9FFX49zNhwXLDClYzri9NE4RZuLvgUrgVv/O/b6KCWIv4O6TsGj+6mqEaqXx9DFdfU CFfdh8oiMjvAwFM+lAg== X-Proofpoint-GUID: mGc0xoxsUcJ1RFQ21OsWeuzsZ02FeeO4 X-Authority-Analysis: v=2.4 cv=a/wAM0SF c=1 sm=1 tr=0 ts=69d78741 cx=c_pps a=bLidbwmWQ0KltjZqbj+ezA==:117 a=bLidbwmWQ0KltjZqbj+ezA==:17 a=kj9zAlcOel0A:10 a=A5OVakUREuEA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=V8glGbnc2Ofi9Qvn3v5h:22 a=VwQbUJbxAAAA:8 a=VnNF1IyMAAAA:8 a=Vl4isb59Ea5TTis8JccA:9 a=CjuIK1q_8ugA:10 X-Proofpoint-ORIG-GUID: mGc0xoxsUcJ1RFQ21OsWeuzsZ02FeeO4 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-09_03,2026-04-09_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 clxscore=1015 spamscore=0 impostorscore=0 priorityscore=1501 phishscore=0 lowpriorityscore=0 adultscore=0 malwarescore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604010000 definitions=main-2604090097 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 >> >> 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