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Message-Id: <20240514173835.4814-4-dtsen@linux.ibm.com>
Date: Tue, 14 May 2024 13:38:35 -0400
From: Danny Tsen <dtsen@...ux.ibm.com>
To: linux-crypto@...r.kernel.org
Cc: herbert@...dor.apana.org.au, leitao@...ian.org, nayna@...ux.ibm.com,
appro@...ptogams.org, linux-kernel@...r.kernel.org,
linuxppc-dev@...ts.ozlabs.org, mpe@...erman.id.au,
ltcgcw@...ux.vnet.ibm.com, dtsen@...ibm.com,
Danny Tsen <dtsen@...ux.ibm.com>
Subject: [PATCH 3/3] crypto: Update Kconfig and Makefile for ppc64le x25519.
Defined CRYPTO_CURVE25519_PPC64 to support X25519 for ppc64le.
Added new module curve25519-ppc64le for X25519.
Signed-off-by: Danny Tsen <dtsen@...ux.ibm.com>
---
arch/powerpc/crypto/Kconfig | 11 +++++++++++
arch/powerpc/crypto/Makefile | 2 ++
2 files changed, 13 insertions(+)
diff --git a/arch/powerpc/crypto/Kconfig b/arch/powerpc/crypto/Kconfig
index 1e201b7ae2fc..09ebcbdfb34f 100644
--- a/arch/powerpc/crypto/Kconfig
+++ b/arch/powerpc/crypto/Kconfig
@@ -2,6 +2,17 @@
menu "Accelerated Cryptographic Algorithms for CPU (powerpc)"
+config CRYPTO_CURVE25519_PPC64
+ tristate "Public key crypto: Curve25519 (PowerPC64)"
+ depends on PPC64 && CPU_LITTLE_ENDIAN
+ select CRYPTO_LIB_CURVE25519_GENERIC
+ select CRYPTO_ARCH_HAVE_LIB_CURVE25519
+ help
+ Curve25519 algorithm
+
+ Architecture: PowerPC64
+ - Little-endian
+
config CRYPTO_CRC32C_VPMSUM
tristate "CRC32c"
depends on PPC64 && ALTIVEC
diff --git a/arch/powerpc/crypto/Makefile b/arch/powerpc/crypto/Makefile
index fca0e9739869..59808592f0a1 100644
--- a/arch/powerpc/crypto/Makefile
+++ b/arch/powerpc/crypto/Makefile
@@ -17,6 +17,7 @@ obj-$(CONFIG_CRYPTO_AES_GCM_P10) += aes-gcm-p10-crypto.o
obj-$(CONFIG_CRYPTO_CHACHA20_P10) += chacha-p10-crypto.o
obj-$(CONFIG_CRYPTO_POLY1305_P10) += poly1305-p10-crypto.o
obj-$(CONFIG_CRYPTO_DEV_VMX_ENCRYPT) += vmx-crypto.o
+obj-$(CONFIG_CRYPTO_CURVE25519_PPC64) += curve25519-ppc64le.o
aes-ppc-spe-y := aes-spe-core.o aes-spe-keys.o aes-tab-4k.o aes-spe-modes.o aes-spe-glue.o
md5-ppc-y := md5-asm.o md5-glue.o
@@ -29,6 +30,7 @@ aes-gcm-p10-crypto-y := aes-gcm-p10-glue.o aes-gcm-p10.o ghashp10-ppc.o aesp10-p
chacha-p10-crypto-y := chacha-p10-glue.o chacha-p10le-8x.o
poly1305-p10-crypto-y := poly1305-p10-glue.o poly1305-p10le_64.o
vmx-crypto-objs := vmx.o aesp8-ppc.o ghashp8-ppc.o aes.o aes_cbc.o aes_ctr.o aes_xts.o ghash.o
+curve25519-ppc64le-y := curve25519-ppc64le-core.o curve25519-ppc64le_asm.o
ifeq ($(CONFIG_CPU_LITTLE_ENDIAN),y)
override flavour := linux-ppc64le
--
2.31.1
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