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authorEric Biggers <ebiggers@google.com>2018-12-03 19:52:49 -0800
committerHerbert Xu <herbert@gondor.apana.org.au>2018-12-13 18:24:35 +0800
commita00fa0c88774bea9a102fc616598d9ee52765451 (patch)
tree68166f695db2a3d8bc4971d867c65d80d6953ac7 /arch/arm64/crypto/Kconfig
parent88d905e20b11f7ad841e3afddaf1d59b6693c4a1 (diff)
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crypto: arm64/nhpoly1305 - add NEON-accelerated NHPoly1305
Add an ARM64 NEON implementation of NHPoly1305, an ε-almost-∆-universal hash function used in the Adiantum encryption mode. For now, only the NH portion is actually NEON-accelerated; the Poly1305 part is less performance-critical so is just implemented in C. Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Tested-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> # big-endian Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'arch/arm64/crypto/Kconfig')
-rw-r--r--arch/arm64/crypto/Kconfig5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm64/crypto/Kconfig b/arch/arm64/crypto/Kconfig
index a5606823ed4d..3f5aeb786192 100644
--- a/arch/arm64/crypto/Kconfig
+++ b/arch/arm64/crypto/Kconfig
@@ -106,6 +106,11 @@ config CRYPTO_CHACHA20_NEON
select CRYPTO_BLKCIPHER
select CRYPTO_CHACHA20
+config CRYPTO_NHPOLY1305_NEON
+ tristate "NHPoly1305 hash function using NEON instructions (for Adiantum)"
+ depends on KERNEL_MODE_NEON
+ select CRYPTO_NHPOLY1305
+
config CRYPTO_AES_ARM64_BS
tristate "AES in ECB/CBC/CTR/XTS modes using bit-sliced NEON algorithm"
depends on KERNEL_MODE_NEON
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