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authorArd Biesheuvel <ard.biesheuvel@linaro.org>2018-04-25 14:20:46 +0200
committerHerbert Xu <herbert@gondor.apana.org.au>2018-05-05 14:52:53 +0800
commite99ce921c468ab5d2ccbe17c545061916f3ca82a (patch)
treee25df88302a2b235e57986cb861746ee4b927d27 /arch/arm64/crypto/Kconfig
parent8da02bf1a216224e6f63b48d883b5aee07f82ba9 (diff)
crypto: arm64 - add support for SM4 encryption using special instructions
Add support for the SM4 symmetric cipher implemented using the special SM4 instructions introduced in ARM architecture revision 8.2. Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'arch/arm64/crypto/Kconfig')
-rw-r--r--arch/arm64/crypto/Kconfig6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm64/crypto/Kconfig b/arch/arm64/crypto/Kconfig
index cb5a243110c4..e3fdb0fd6f70 100644
--- a/arch/arm64/crypto/Kconfig
+++ b/arch/arm64/crypto/Kconfig
@@ -47,6 +47,12 @@ config CRYPTO_SM3_ARM64_CE
select CRYPTO_HASH
select CRYPTO_SM3
+config CRYPTO_SM4_ARM64_CE
+ tristate "SM4 symmetric cipher (ARMv8.2 Crypto Extensions)"
+ depends on KERNEL_MODE_NEON
+ select CRYPTO_ALGAPI
+ select CRYPTO_SM4
+
config CRYPTO_GHASH_ARM64_CE
tristate "GHASH/AES-GCM using ARMv8 Crypto Extensions"
depends on KERNEL_MODE_NEON