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| author | Ard Biesheuvel <ard.biesheuvel@linaro.org> | 2017-01-11 16:41:49 +0000 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2017-01-13 00:26:48 +0800 |
| commit | b7171ce9eb523fd90e38f2d138d1b6ed2ff3eafd (patch) | |
| tree | b2faa0f4311afa4bcd6c3b045d8905235ad88e70 /arch/arm64/crypto/Kconfig | |
| parent | 41e05324fde983b1342f86239868f1959f6032a5 (diff) | |
| download | linux-b7171ce9eb523fd90e38f2d138d1b6ed2ff3eafd.tar.bz2 | |
crypto: arm64/chacha20 - implement NEON version based on SSE3 code
This is a straight port to arm64/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/arm64/crypto/Kconfig')
| -rw-r--r-- | arch/arm64/crypto/Kconfig | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm64/crypto/Kconfig b/arch/arm64/crypto/Kconfig index 450a85df041a..0bf0f531f539 100644 --- a/arch/arm64/crypto/Kconfig +++ b/arch/arm64/crypto/Kconfig @@ -72,4 +72,10 @@ config CRYPTO_CRC32_ARM64 depends on ARM64 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 |