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-rw-r--r--arch/arm/crypto/Kconfig5
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/arm/crypto/Kconfig b/arch/arm/crypto/Kconfig
index b9adedcc5b2e..ec72752d5668 100644
--- a/arch/arm/crypto/Kconfig
+++ b/arch/arm/crypto/Kconfig
@@ -94,14 +94,15 @@ config CRYPTO_AES_ARM_CE
ARMv8 Crypto Extensions
config CRYPTO_GHASH_ARM_CE
- tristate "PMULL-accelerated GHASH using ARMv8 Crypto Extensions"
+ tristate "PMULL-accelerated GHASH using NEON/ARMv8 Crypto Extensions"
depends on KERNEL_MODE_NEON
select CRYPTO_HASH
select CRYPTO_CRYPTD
help
Use an implementation of GHASH (used by the GCM AEAD chaining mode)
that uses the 64x64 to 128 bit polynomial multiplication (vmull.p64)
- that is part of the ARMv8 Crypto Extensions
+ that is part of the ARMv8 Crypto Extensions, or a slower variant that
+ uses the vmull.p8 instruction that is part of the basic NEON ISA.
config CRYPTO_CRCT10DIF_ARM_CE
tristate "CRCT10DIF digest algorithm using PMULL instructions"