crypto: arm64/sm3 - add NEON assembly implementation

This patch adds the NEON acceleration implementation of the SM3 hash algorithm. The main algorithm is based on SM3 NEON accelerated work of the libgcrypt project. Benchmark on T-Head Yitian-710 2.75 GHz, the data comes from the 326 mode of tcrypt, and compares the performance data of sm3-generic and sm3-ce. The abscissas are blocks of different lengths. The data is tabulated and the unit is Mb/s: update-size | 16 64 256 1024 2048 4096 8192 ---------------+-------------------------------------------------------- sm3-generic | 185.24 221.28 301.26 307.43 300.83 308.82 308.91 sm3-neon | 171.81 220.20 322.94 339.28 334.09 343.61 343.87 sm3-ce | 227.48 333.48 502.62 527.87 520.45 534.91 535.40 Signed-off-by: Tianjia Zhang <[email protected]> Signed-off-by: Herbert Xu <[email protected]>
josf · Nov 4, 2022 · a41b212 · a41b212
1 parent e1fa51a
commit a41b212
Show file tree

Hide file tree

Showing 4 changed files with 717 additions and 0 deletions.
diff --git a/arch/arm64/crypto/Kconfig b/arch/arm64/crypto/Kconfig
@@ -96,6 +96,17 @@ config CRYPTO_SHA3_ARM64
 	  Architecture: arm64 using:
 	  - ARMv8.2 Crypto Extensions
 
+config CRYPTO_SM3_NEON
+	tristate "Hash functions: SM3 (NEON)"
+	depends on KERNEL_MODE_NEON
+	select CRYPTO_HASH
+	select CRYPTO_SM3
+	help
+	  SM3 (ShangMi 3) secure hash function (OSCCA GM/T 0004-2012)
+
+	  Architecture: arm64 using:
+	  - NEON (Advanced SIMD) extensions
+
 config CRYPTO_SM3_ARM64_CE
 	tristate "Hash functions: SM3 (ARMv8.2 Crypto Extensions)"
 	depends on KERNEL_MODE_NEON

diff --git a/arch/arm64/crypto/Makefile b/arch/arm64/crypto/Makefile
@@ -17,6 +17,9 @@ sha512-ce-y := sha512-ce-glue.o sha512-ce-core.o
 obj-$(CONFIG_CRYPTO_SHA3_ARM64) += sha3-ce.o
 sha3-ce-y := sha3-ce-glue.o sha3-ce-core.o
 
+obj-$(CONFIG_CRYPTO_SM3_NEON) += sm3-neon.o
+sm3-neon-y := sm3-neon-glue.o sm3-neon-core.o
+
 obj-$(CONFIG_CRYPTO_SM3_ARM64_CE) += sm3-ce.o
 sm3-ce-y := sm3-ce-glue.o sm3-ce-core.o