diff options
| author | Ard Biesheuvel <ard.biesheuvel@linaro.org> | 2017-01-11 16:41:50 +0000 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2017-01-13 00:26:48 +0800 |
| commit | afaf712e99a7e52e2520335ddefee6a9d84a6db5 (patch) | |
| tree | 00dfea26c00578f8317a3d4897cd7d06d1eb704d /arch/arm/crypto/Kconfig | |
| parent | b7171ce9eb523fd90e38f2d138d1b6ed2ff3eafd (diff) | |
crypto: arm/chacha20 - implement NEON version based on SSE3 code
This is a straight port to ARM/NEON of the x86 SSE3 implementation
of the ChaCha20 stream cipher. It uses the new skcipher walksize
attribute to process the input in strides of 4x the block size.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'arch/arm/crypto/Kconfig')
| -rw-r--r-- | arch/arm/crypto/Kconfig | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm/crypto/Kconfig b/arch/arm/crypto/Kconfig index 13f1b4c289d4..2f3339f015d3 100644 --- a/arch/arm/crypto/Kconfig +++ b/arch/arm/crypto/Kconfig @@ -130,4 +130,10 @@ config CRYPTO_CRC32_ARM_CE depends on KERNEL_MODE_NEON && CRC32 select CRYPTO_HASH +config CRYPTO_CHACHA20_NEON + tristate "NEON accelerated ChaCha20 symmetric cipher" + depends on KERNEL_MODE_NEON + select CRYPTO_BLKCIPHER + select CRYPTO_CHACHA20 + endif |