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Wed, 18 Jun 2025 09:29:47 +0000 (GMT) Date: Wed, 18 Jun 2025 11:29:45 +0200 From: Heiko Carstens To: Harald Freudenberger Cc: herbert@gondor.apana.org.au, linux-crypto@vger.kernel.org, linux-s390@vger.kernel.org, dengler@linux.ibm.com, ifranzki@linux.ibm.com, fcallies@linux.ibm.com, gor@linux.ibm.com, agordeev@linux.ibm.com Subject: Re: [PATCH v12 3/6] s390/crypto: New s390 specific protected key hash phmac Message-ID: <20250618092945.7535D4b-hca@linux.ibm.com> References: <20250617134440.48000-1-freude@linux.ibm.com> <20250617134440.48000-4-freude@linux.ibm.com> Precedence: bulk X-Mailing-List: linux-crypto@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250617134440.48000-4-freude@linux.ibm.com> X-TM-AS-GCONF: 00 X-Proofpoint-GUID: NUFIjbu1fex7WWDKd82zVCTvWAtNk8vZ X-Proofpoint-ORIG-GUID: NUFIjbu1fex7WWDKd82zVCTvWAtNk8vZ X-Authority-Analysis: v=2.4 cv=AqTu3P9P c=1 sm=1 tr=0 ts=68528710 cx=c_pps a=aDMHemPKRhS1OARIsFnwRA==:117 a=aDMHemPKRhS1OARIsFnwRA==:17 a=kj9zAlcOel0A:10 a=6IFa9wvqVegA:10 a=VnNF1IyMAAAA:8 a=tV9you1X9CY752Hip54A:9 a=CjuIK1q_8ugA:10 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNjE4MDA4MCBTYWx0ZWRfX3YUy2VxqCtTm 0KVgsi6Mcso66g+SRRHq4fLaVTw0gmUcdBuW2QJAUoJ3v3uKPkXsoplkVlXbz8jdvYUeKXAkHid /4oXzDDfvJnzBxzryd67Nuz38i/GZshTfWv9cKkxel0FEsi4Ut7MyuP22CvmjdGa6jwbrGqfzun t2jK8hE88d0MkfqkK8k0ND8tf2cKkGFXh95EU8+dOj+rVCzYs84Zl1Z4EkyfLUfKLJ059JwiUr0 r9gsOX8U8KpSVIh+CjCjMFM4baEEAHup4GvXAbptqUYyNCVnPaYjQulK27Ae7Z+5YeWSX2h8e3+ Wkop3e6Ol7aaRbpykB8P939oYH5sTkQxxVKGpgoVMWZlTJSsrBklMumdz4I9TokdO4Qf5fvJufd 7fwDsCXJgTq6S5Lx5m18Q78bfIRY2N76GjCihbh46+j6b1hN7Zf2UJ6uTqqE3qr6x0OyoWBe X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.0.736,FMLib:17.12.80.40 definitions=2025-06-18_03,2025-06-18_02,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 lowpriorityscore=0 suspectscore=0 adultscore=0 impostorscore=0 priorityscore=1501 phishscore=0 mlxlogscore=414 mlxscore=0 spamscore=0 bulkscore=0 malwarescore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2505280000 definitions=main-2506180080 On Tue, Jun 17, 2025 at 03:44:37PM +0200, Harald Freudenberger wrote: > Add support for protected key hmac ("phmac") for s390 arch. > > With the latest machine generation there is now support for > protected key (that is a key wrapped by a master key stored > in firmware) hmac for sha2 (sha224, sha256, sha384 and sha512) > for the s390 specific CPACF instruction kmac. > > This patch adds support via 4 new ahashes registered as > phmac(sha224), phmac(sha256), phmac(sha384) and phmac(sha512). > > Co-developed-by: Holger Dengler > Signed-off-by: Harald Freudenberger > Reviewed-by: Holger Dengler > --- Co-developed-by must come together with a Signed-off-by tag. See Documentation/process/submitting-patches.rst. Holger, can you provide your Sign-off, please?