From: Harald Freudenberger <freude@linux.ibm.com>
To: richard.henderson@linaro.org, iii@linux.ibm.com,
david@kernel.org, thuth@redhat.com, berrange@redhat.com
Cc: qemu-s390x@nongnu.org, qemu-devel@nongnu.org,
linux-s390@vger.kernel.org, dengler@linux.ibm.com,
borntraeger@linux.ibm.com, fcallies@linux.ibm.com,
cohuck@redhat.com
Subject: [PATCH v10 02/21] target/s390x: Rework s390 cpacf implementations
Date: Mon, 6 Jul 2026 11:42:55 +0200 [thread overview]
Message-ID: <20260706094317.17032-3-freude@linux.ibm.com> (raw)
In-Reply-To: <20260706094317.17032-1-freude@linux.ibm.com>
Fix missing parts for MSA 9 kdsa and rework the cpacf handling code
so that further extensions can be made in a clean and structured way.
Introduce a new header file to hold defines, structs and function
prototypes around s390 cpacf. Use the cpcaf function defines in the
existing code.
Reviewed-by: Holger Dengler <dengler@linux.ibm.com>
Tested-by: Holger Dengler <dengler@linux.ibm.com>
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Harald Freudenberger <freude@linux.ibm.com>
---
target/s390x/tcg/cpacf.h | 226 +++++++++++++++++++++++++++++++
target/s390x/tcg/crypto_helper.c | 90 ++++++++++--
target/s390x/tcg/insn-data.h.inc | 1 +
target/s390x/tcg/translate.c | 2 +
4 files changed, 306 insertions(+), 13 deletions(-)
create mode 100644 target/s390x/tcg/cpacf.h
diff --git a/target/s390x/tcg/cpacf.h b/target/s390x/tcg/cpacf.h
new file mode 100644
index 0000000000..05596e0645
--- /dev/null
+++ b/target/s390x/tcg/cpacf.h
@@ -0,0 +1,226 @@
+/*
+ * s390x cpacf
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#ifndef S390X_CPACF_H
+#define S390X_CPACF_H
+
+/*
+ * Function codes for the KM instruction
+ */
+#define CPACF_KM_QUERY 0x00
+#define CPACF_KM_DEA 0x01
+#define CPACF_KM_TDEA_128 0x02
+#define CPACF_KM_TDEA_192 0x03
+#define CPACF_KM_AES_128 0x12
+#define CPACF_KM_AES_192 0x13
+#define CPACF_KM_AES_256 0x14
+#define CPACF_KM_PAES_128 0x1a
+#define CPACF_KM_PAES_192 0x1b
+#define CPACF_KM_PAES_256 0x1c
+#define CPACF_KM_XTS_128 0x32
+#define CPACF_KM_XTS_256 0x34
+#define CPACF_KM_PXTS_128 0x3a
+#define CPACF_KM_PXTS_256 0x3c
+#define CPACF_KM_FULL_XTS_128 0x52
+#define CPACF_KM_FULL_XTS_256 0x54
+#define CPACF_KM_FULL_PXTS_128 0x5a
+#define CPACF_KM_FULL_PXTS_256 0x5c
+
+/*
+ * Function codes for the KMC instruction
+ */
+#define CPACF_KMC_QUERY 0x00
+#define CPACF_KMC_DEA 0x01
+#define CPACF_KMC_TDEA_128 0x02
+#define CPACF_KMC_TDEA_192 0x03
+#define CPACF_KMC_AES_128 0x12
+#define CPACF_KMC_AES_192 0x13
+#define CPACF_KMC_AES_256 0x14
+#define CPACF_KMC_PAES_128 0x1a
+#define CPACF_KMC_PAES_192 0x1b
+#define CPACF_KMC_PAES_256 0x1c
+#define CPACF_KMC_PRNG 0x43
+
+/*
+ * Function codes for the KMCTR instruction
+ */
+#define CPACF_KMCTR_QUERY 0x00
+#define CPACF_KMCTR_DEA 0x01
+#define CPACF_KMCTR_TDEA_128 0x02
+#define CPACF_KMCTR_TDEA_192 0x03
+#define CPACF_KMCTR_AES_128 0x12
+#define CPACF_KMCTR_AES_192 0x13
+#define CPACF_KMCTR_AES_256 0x14
+#define CPACF_KMCTR_PAES_128 0x1a
+#define CPACF_KMCTR_PAES_192 0x1b
+#define CPACF_KMCTR_PAES_256 0x1c
+
+/*
+ * Function codes for the KIMD instruction
+ */
+#define CPACF_KIMD_QUERY 0x00
+#define CPACF_KIMD_SHA_1 0x01
+#define CPACF_KIMD_SHA_256 0x02
+#define CPACF_KIMD_SHA_512 0x03
+#define CPACF_KIMD_SHA3_224 0x20
+#define CPACF_KIMD_SHA3_256 0x21
+#define CPACF_KIMD_SHA3_384 0x22
+#define CPACF_KIMD_SHA3_512 0x23
+#define CPACF_KIMD_SHAKE_128 0x24
+#define CPACF_KIMD_SHAKE_256 0x25
+#define CPACF_KIMD_GHASH 0x41
+
+/*
+ * Function codes for the KLMD instruction
+ */
+#define CPACF_KLMD_QUERY 0x00
+#define CPACF_KLMD_SHA_1 0x01
+#define CPACF_KLMD_SHA_256 0x02
+#define CPACF_KLMD_SHA_512 0x03
+#define CPACF_KLMD_SHA3_224 0x20
+#define CPACF_KLMD_SHA3_256 0x21
+#define CPACF_KLMD_SHA3_384 0x22
+#define CPACF_KLMD_SHA3_512 0x23
+#define CPACF_KLMD_SHAKE_128 0x24
+#define CPACF_KLMD_SHAKE_256 0x25
+
+/*
+ * function codes for the KMAC instruction
+ */
+#define CPACF_KMAC_QUERY 0x00
+#define CPACF_KMAC_DEA 0x01
+#define CPACF_KMAC_TDEA_128 0x02
+#define CPACF_KMAC_TDEA_192 0x03
+#define CPACF_KMAC_AES_128 0x12
+#define CPACF_KMAC_AES_192 0x13
+#define CPACF_KMAC_AES_256 0x14
+#define CPACF_KMAC_PAES_128 0x1A
+#define CPACF_KMAC_PAES_192 0x1B
+#define CPACF_KMAC_PAES_256 0x1C
+#define CPACF_KMAC_HMAC_SHA_224 0x70
+#define CPACF_KMAC_HMAC_SHA_256 0x71
+#define CPACF_KMAC_HMAC_SHA_384 0x72
+#define CPACF_KMAC_HMAC_SHA_512 0x73
+#define CPACF_KMAC_PHMAC_SHA_224 0x78
+#define CPACF_KMAC_PHMAC_SHA_256 0x79
+#define CPACF_KMAC_PHMAC_SHA_384 0x7a
+#define CPACF_KMAC_PHMAC_SHA_512 0x7b
+
+/*
+ * Function codes for the PCKMO instruction
+ */
+#define CPACF_PCKMO_QUERY 0x00
+#define CPACF_PCKMO_ENC_DES_KEY 0x01
+#define CPACF_PCKMO_ENC_TDES_128_KEY 0x02
+#define CPACF_PCKMO_ENC_TDES_192_KEY 0x03
+#define CPACF_PCKMO_ENC_AES_128_KEY 0x12
+#define CPACF_PCKMO_ENC_AES_192_KEY 0x13
+#define CPACF_PCKMO_ENC_AES_256_KEY 0x14
+#define CPACF_PCKMO_ENC_AES_XTS_128_DOUBLE_KEY 0x14
+#define CPACF_PCKMO_ENC_AES_XTS_256_DOUBLE_KEY 0x16
+#define CPACF_PCKMO_ENC_ECC_P256_KEY 0x20
+#define CPACF_PCKMO_ENC_ECC_P384_KEY 0x21
+#define CPACF_PCKMO_ENC_ECC_P521_KEY 0x22
+#define CPACF_PCKMO_ENC_ECC_ED25519_KEY 0x28
+#define CPACF_PCKMO_ENC_ECC_ED448_KEY 0x29
+#define CPACF_PCKMO_ENC_HMAC_512_KEY 0x76
+#define CPACF_PCKMO_ENC_HMAC_1024_KEY 0x7a
+
+/*
+ * Function codes for the PRNO instruction
+ */
+#define CPACF_PRNO_QUERY 0x00
+#define CPACF_PRNO_SHA512_DRNG_GEN 0x03
+#define CPACF_PRNO_SHA512_DRNG_SEED 0x83
+#define CPACF_PRNO_TRNG_Q_R2C_RATIO 0x70
+#define CPACF_PRNO_TRNG 0x72
+
+/*
+ * Function codes for the KMA instruction
+ */
+#define CPACF_KMA_QUERY 0x00
+#define CPACF_KMA_GCM_AES_128 0x12
+#define CPACF_KMA_GCM_AES_192 0x13
+#define CPACF_KMA_GCM_AES_256 0x14
+#define CPACF_KMA_GCM_PAES_128 0x1A
+#define CPACF_KMA_GCM_PAES_192 0x1B
+#define CPACF_KMA_GCM_PAES_256 0x1C
+
+/*
+ * Function codes for the KMF instruction
+ */
+#define CPACF_KMF_QUERY 0
+#define CPACF_KMF_DEA 1
+#define CPACF_KMF_TDEA_128 2
+#define CPACF_KMF_TDEA_192 3
+#define CPACF_KMF_AES_128 18
+#define CPACF_KMF_AES_192 19
+#define CPACF_KMF_AES_256 20
+#define CPACF_KMF_PAES_128 26
+#define CPACF_KMF_PAES_192 27
+#define CPACF_KMF_PAES_256 28
+
+/*
+ * Function codes for the KMO instruction
+ */
+#define CPACF_KMO_QUERY 0
+#define CPACF_KMO_DEA 1
+#define CPACF_KMO_TDEA_128 2
+#define CPACF_KMO_TDEA_192 3
+#define CPACF_KMO_AES_128 18
+#define CPACF_KMO_AES_192 19
+#define CPACF_KMO_AES_256 20
+#define CPACF_KMO_PAES_128 26
+#define CPACF_KMO_PAES_192 27
+#define CPACF_KMO_PAES_256 28
+
+/*
+ * Function codes for the PCC instruction
+ */
+#define CPACF_PCC_QUERY 0
+#define CPACF_PCC_CMAC_DEA 1
+#define CPACF_PCC_CMAC_TDEA_128 2
+#define CPACF_PCC_CMAC_TDEA_192 3
+#define CPACF_PCC_CMAC_AES_128 18
+#define CPACF_PCC_CMAC_AES_192 19
+#define CPACF_PCC_CMAC_AES_256 20
+#define CPACF_PCC_CMAC_PAES_128 26
+#define CPACF_PCC_CMAC_PAES_192 27
+#define CPACF_PCC_CMAC_PAES_256 28
+#define CPACF_PCC_XTS_AES_128 50
+#define CPACF_PCC_XTS_AES_256 52
+#define CPACF_PCC_XTS_PAES_128 58
+#define CPACF_PCC_XTS_PAES_256 60
+#define CPACF_PCC_SM_P256 64
+#define CPACF_PCC_SM_P384 65
+#define CPACF_PCC_SM_P521 66
+#define CPACF_PCC_SM_ED25519 72
+#define CPACF_PCC_SM_ED448 73
+#define CPACF_PCC_SM_X25519 80
+#define CPACF_PCC_SM_X448 81
+
+/*
+ * Function codes for the KDSA instruction
+ */
+#define CPACF_KDSA_QUERY 0
+#define CPACF_KDSA_VERIFY_P256 1
+#define CPACF_KDSA_VERIFY_P384 2
+#define CPACF_KDSA_VERIFY_P521 3
+#define CPACF_KDSA_SIGN_P256 9
+#define CPACF_KDSA_SIGN_P384 10
+#define CPACF_KDSA_SIGN_P521 11
+#define CPACF_KDSA_PSIGN_P256 17
+#define CPACF_KDSA_PSIGN_P384 18
+#define CPACF_KDSA_PSIGN_P521 19
+#define CPACF_KDSA_VERIFY_ED25519 32
+#define CPACF_KDSA_VERIFY_ED448 36
+#define CPACF_KDSA_SIGN_ED25519 40
+#define CPACF_KDSA_SIGN_ED448 44
+#define CPACF_KDSA_PSIGN_ED25519 48
+#define CPACF_KDSA_PSIGN_ED448 52
+
+#endif /* S390X_CPACF_H */
diff --git a/target/s390x/tcg/crypto_helper.c b/target/s390x/tcg/crypto_helper.c
index 8fe0a22219..987bc72ae9 100644
--- a/target/s390x/tcg/crypto_helper.c
+++ b/target/s390x/tcg/crypto_helper.c
@@ -19,6 +19,7 @@
#include "exec/helper-proto.h"
#include "accel/tcg/cpu-ldst-common.h"
#include "accel/tcg/cpu-mmu-index.h"
+#include "target/s390x/tcg/cpacf.h"
static uint64_t R(uint64_t x, int c)
{
@@ -268,6 +269,57 @@ static void fill_buf_random(CPUS390XState *env, const int mmu_idx, uintptr_t ra,
}
}
+static int cpacf_kimd(CPUS390XState *env, const int mmu_idx, const uintptr_t ra,
+ uint32_t r1, uint32_t r2, uint32_t r3, uint8_t fc)
+{
+ int rc = 0;
+
+ switch (fc) {
+ case CPACF_KIMD_SHA_512:
+ rc = cpacf_sha512(env, mmu_idx, ra, env->regs[1], &env->regs[r2],
+ &env->regs[r2 + 1], S390_FEAT_TYPE_KIMD);
+ break;
+ default:
+ tcg_s390_program_interrupt(env, PGM_SPECIFICATION, ra);
+ }
+
+ return rc;
+}
+
+static int cpacf_klmd(CPUS390XState *env, const int mmu_idx, const uintptr_t ra,
+ uint32_t r1, uint32_t r2, uint32_t r3, uint8_t fc)
+{
+ int rc = 0;
+
+ switch (fc) {
+ case CPACF_KLMD_SHA_512:
+ rc = cpacf_sha512(env, mmu_idx, ra, env->regs[1], &env->regs[r2],
+ &env->regs[r2 + 1], S390_FEAT_TYPE_KLMD);
+ break;
+ default:
+ tcg_s390_program_interrupt(env, PGM_SPECIFICATION, ra);
+ }
+
+ return rc;
+}
+
+static int cpacf_ppno(CPUS390XState *env, const int mmu_idx, uintptr_t ra,
+ uint32_t r1, uint32_t r2, uint32_t r3, uint8_t fc)
+{
+ int rc = 0;
+
+ switch (fc) {
+ case CPACF_PRNO_TRNG:
+ fill_buf_random(env, mmu_idx, ra, &env->regs[r1], &env->regs[r1 + 1]);
+ fill_buf_random(env, mmu_idx, ra, &env->regs[r2], &env->regs[r2 + 1]);
+ break;
+ default:
+ tcg_s390_program_interrupt(env, PGM_SPECIFICATION, ra);
+ }
+
+ return rc;
+}
+
uint32_t HELPER(msa)(CPUS390XState *env, uint32_t r1, uint32_t r2, uint32_t r3,
uint32_t type)
{
@@ -278,13 +330,15 @@ uint32_t HELPER(msa)(CPUS390XState *env, uint32_t r1, uint32_t r2, uint32_t r3,
uint8_t subfunc[16] = { 0 };
uint64_t param_addr;
MemOpIdx oi;
+ int rc = 0;
switch (type) {
- case S390_FEAT_TYPE_KMAC:
+ case S390_FEAT_TYPE_KDSA:
case S390_FEAT_TYPE_KIMD:
case S390_FEAT_TYPE_KLMD:
- case S390_FEAT_TYPE_PCKMO:
+ case S390_FEAT_TYPE_KMAC:
case S390_FEAT_TYPE_PCC:
+ case S390_FEAT_TYPE_PCKMO:
if (mod) {
tcg_s390_program_interrupt(env, PGM_SPECIFICATION, ra);
}
@@ -296,25 +350,35 @@ uint32_t HELPER(msa)(CPUS390XState *env, uint32_t r1, uint32_t r2, uint32_t r3,
tcg_s390_program_interrupt(env, PGM_SPECIFICATION, ra);
}
- switch (fc) {
- case 0: /* query subfunction */
+ /* handle query subfunction */
+ if (fc == 0) {
oi = make_memop_idx(MO_8, mmu_idx);
- for (int i = 0; i < 16; i++) {
+ for (int i = 0; i < sizeof(subfunc); i++) {
param_addr = wrap_address(env, env->regs[1] + i);
cpu_stb_mmu(env, param_addr, subfunc[i], oi, ra);
}
+ goto out;
+ }
+
+ switch (type) {
+ case S390_FEAT_TYPE_KIMD:
+ rc = cpacf_kimd(env, mmu_idx, ra, r1, r2, r3, fc);
break;
- case 3: /* CPACF_*_SHA_512 */
- return cpacf_sha512(env, mmu_idx, ra, env->regs[1], &env->regs[r2],
- &env->regs[r2 + 1], type);
- case 114: /* CPACF_PRNO_TRNG */
- fill_buf_random(env, mmu_idx, ra, &env->regs[r1], &env->regs[r1 + 1]);
- fill_buf_random(env, mmu_idx, ra, &env->regs[r2], &env->regs[r2 + 1]);
+ case S390_FEAT_TYPE_KLMD:
+ rc = cpacf_klmd(env, mmu_idx, ra, r1, r2, r3, fc);
+ break;
+ case S390_FEAT_TYPE_PPNO:
+ rc = cpacf_ppno(env, mmu_idx, ra, r1, r2, r3, fc);
+ break;
+ case S390_FEAT_TYPE_KDSA:
+ case S390_FEAT_TYPE_KMAC:
+ /* subfunctions (other than query) are not implemented yet */
+ tcg_s390_program_interrupt(env, PGM_OPERATION, ra);
break;
default:
- /* we don't implement any other subfunction yet */
g_assert_not_reached();
}
- return 0;
+out:
+ return rc;
}
diff --git a/target/s390x/tcg/insn-data.h.inc b/target/s390x/tcg/insn-data.h.inc
index 0d5392eac5..6a0a7aacda 100644
--- a/target/s390x/tcg/insn-data.h.inc
+++ b/target/s390x/tcg/insn-data.h.inc
@@ -1015,6 +1015,7 @@
D(0xb92e, KM, RRE, MSA, 0, 0, 0, 0, msa, 0, S390_FEAT_TYPE_KM)
D(0xb92f, KMC, RRE, MSA, 0, 0, 0, 0, msa, 0, S390_FEAT_TYPE_KMC)
D(0xb929, KMA, RRF_b, MSA8, 0, 0, 0, 0, msa, 0, S390_FEAT_TYPE_KMA)
+ D(0xb93a, KDSA, RRE, MSA9, 0, 0, 0, 0, msa, 0, S390_FEAT_TYPE_KDSA)
E(0xb93c, PPNO, RRE, MSA5, 0, 0, 0, 0, msa, 0, S390_FEAT_TYPE_PPNO, IF_IO)
D(0xb93e, KIMD, RRE, MSA, 0, 0, 0, 0, msa, 0, S390_FEAT_TYPE_KIMD)
D(0xb93f, KLMD, RRE, MSA, 0, 0, 0, 0, msa, 0, S390_FEAT_TYPE_KLMD)
diff --git a/target/s390x/tcg/translate.c b/target/s390x/tcg/translate.c
index 82165ac1ec..cef1b55149 100644
--- a/target/s390x/tcg/translate.c
+++ b/target/s390x/tcg/translate.c
@@ -2592,6 +2592,7 @@ static DisasJumpType op_msa(DisasContext *s, DisasOps *o)
/* FALL THROUGH */
case S390_FEAT_TYPE_PCKMO:
case S390_FEAT_TYPE_PCC:
+ case S390_FEAT_TYPE_KDSA:
break;
default:
g_assert_not_reached();
@@ -6046,6 +6047,7 @@ enum DisasInsnEnum {
#define FAC_MSA4 S390_FEAT_MSA_EXT_4 /* msa-extension-4 facility */
#define FAC_MSA5 S390_FEAT_MSA_EXT_5 /* msa-extension-5 facility */
#define FAC_MSA8 S390_FEAT_MSA_EXT_8 /* msa-extension-8 facility */
+#define FAC_MSA9 S390_FEAT_MSA_EXT_9 /* msa-extension-9 facility */
#define FAC_ECT S390_FEAT_EXTRACT_CPU_TIME
#define FAC_PCI S390_FEAT_ZPCI /* z/PCI facility */
#define FAC_AIS S390_FEAT_ADAPTER_INT_SUPPRESSION
--
2.43.0
next prev parent reply other threads:[~2026-07-06 9:43 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-06 9:42 [PATCH v10 00/21] target/s390x: Extend qemu CPACF support Harald Freudenberger
2026-07-06 9:42 ` [PATCH v10 01/21] target/s390x: Fix wrong address handling in address loops Harald Freudenberger
2026-07-06 12:26 ` Holger Dengler
2026-07-06 9:42 ` Harald Freudenberger [this message]
2026-07-06 9:42 ` [PATCH v10 03/21] target/s390x: Move cpacf sha512 code into a new file Harald Freudenberger
2026-07-06 13:41 ` Holger Dengler
2026-07-06 9:42 ` [PATCH v10 04/21] target/s390x: Support cpacf sha256 Harald Freudenberger
2026-07-06 9:42 ` [PATCH v10 05/21] target/s390x: Support AES ECB for cpacf km instruction Harald Freudenberger
2026-07-06 9:42 ` [PATCH v10 06/21] target/s390x: Support AES CBC for cpacf kmc instruction Harald Freudenberger
2026-07-06 9:43 ` [PATCH v10 07/21] target/s390x: Support AES CTR for cpacf kmctr instruction Harald Freudenberger
2026-07-06 9:43 ` [PATCH v10 08/21] target/s390x: Minimal AES XTS support for cpacf pcc instruction Harald Freudenberger
2026-07-07 7:21 ` Holger Dengler
2026-07-07 13:59 ` Harald Freudenberger
2026-07-06 9:43 ` [PATCH v10 09/21] target/s390x: Support AES XTS for cpacf km instruction Harald Freudenberger
2026-07-07 14:38 ` Holger Dengler
2026-07-06 9:43 ` [PATCH v10 10/21] target/s390x: Base support for cpacf protected keys Harald Freudenberger
2026-07-06 11:51 ` Cornelia Huck
2026-07-06 12:18 ` Harald Freudenberger
2026-07-06 12:41 ` Cornelia Huck
2026-07-08 17:10 ` Daniel P. Berrangé
2026-07-06 9:43 ` [PATCH v10 11/21] target/s390x: Support pckmo encrypt AES subfunctions Harald Freudenberger
2026-07-06 9:43 ` [PATCH v10 12/21] target/s390x: Support protected key AES ECB for cpacf km instruction Harald Freudenberger
2026-07-06 9:43 ` [PATCH v10 13/21] target/s390x: Support protected key AES CBC for cpacf kmc instruction Harald Freudenberger
2026-07-06 9:43 ` [PATCH v10 14/21] target/s390x: Support protected key AES CTR for cpacf kmctr instruction Harald Freudenberger
2026-07-06 9:43 ` [PATCH v10 15/21] target/s390x: Minimal protected key AES XTS support for cpacf pcc instruction Harald Freudenberger
2026-07-06 9:43 ` [PATCH v10 16/21] target/s390x: Support protected key AES XTS for cpacf km instruction Harald Freudenberger
2026-07-06 9:43 ` [PATCH v10 17/21] docs/s390: Document CPACF instructions support Harald Freudenberger
2026-07-06 9:43 ` [PATCH v10 18/21] crypto: Add aes-helpers file to support some AES modes Harald Freudenberger
2026-07-06 9:43 ` [PATCH v10 19/21] target/s390x: Use generic AES helper functions Harald Freudenberger
2026-07-06 9:43 ` [PATCH v10 20/21] target/s390x: Improve fetch and store mem from and to guest Harald Freudenberger
2026-07-06 9:43 ` [PATCH v10 21/21] tests/tcg/s390x: Add tests for CPACF instructions Harald Freudenberger
2026-07-07 9:38 ` [PATCH v10 00/21] target/s390x: Extend qemu CPACF support Cornelia Huck
2026-07-07 14:02 ` Harald Freudenberger
2026-07-08 16:44 ` Daniel P. Berrangé
2026-07-07 11:58 ` Cornelia Huck
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