On 29 September 2016 at 16:37, Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx> wrote: > On 29 September 2016 at 15:51, Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx> wrote: >> This is a port to arm64 of the NEON implementation of SHA256 that lives >> under arch/arm/crypto. >> >> Due to the fact that the AArch64 assembler dialect deviates from the >> 32-bit ARM one in ways that makes sharing code problematic, and given >> that this version only uses the NEON version whereas the original >> implementation supports plain ALU assembler, NEON and Crypto Extensions, >> this code is built from a version sha256-armv4.pl that has been >> transliterated to the AArch64 NEON dialect. >> >> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx> >> --- >> arch/arm64/crypto/Kconfig | 5 + >> arch/arm64/crypto/Makefile | 11 + >> arch/arm64/crypto/sha256-armv4.pl | 413 +++++++++ >> arch/arm64/crypto/sha256-core.S_shipped | 883 ++++++++++++++++++++ >> arch/arm64/crypto/sha256_neon_glue.c | 103 +++ >> 5 files changed, 1415 insertions(+) >> >> diff --git a/arch/arm64/crypto/Kconfig b/arch/arm64/crypto/Kconfig >> index 2cf32e9887e1..d32371198474 100644 >> --- a/arch/arm64/crypto/Kconfig >> +++ b/arch/arm64/crypto/Kconfig >> @@ -18,6 +18,11 @@ config CRYPTO_SHA2_ARM64_CE >> depends on ARM64 && KERNEL_MODE_NEON >> select CRYPTO_HASH >> >> +config CRYPTO_SHA2_ARM64_NEON >> + tristate "SHA-224/SHA-256 digest algorithm (ARMv8 NEON)" >> + depends on ARM64 && KERNEL_MODE_NEON >> + select CRYPTO_HASH >> + >> config CRYPTO_GHASH_ARM64_CE >> tristate "GHASH (for GCM chaining mode) using ARMv8 Crypto Extensions" >> depends on ARM64 && KERNEL_MODE_NEON >> diff --git a/arch/arm64/crypto/Makefile b/arch/arm64/crypto/Makefile >> index abb79b3cfcfe..5156ebee0488 100644 >> --- a/arch/arm64/crypto/Makefile >> +++ b/arch/arm64/crypto/Makefile >> @@ -29,6 +29,9 @@ aes-ce-blk-y := aes-glue-ce.o aes-ce.o >> obj-$(CONFIG_CRYPTO_AES_ARM64_NEON_BLK) += aes-neon-blk.o >> aes-neon-blk-y := aes-glue-neon.o aes-neon.o >> >> +obj-$(CONFIG_CRYPTO_SHA2_ARM64_NEON) := sha256-neon.o > > There is a typo here that I only spotted just now: this should be += not := > > Herbert, if you're picking this up, could you please fix this at merge > time? Or do you need me to resend? > Please disregard this patch for now. I will follow up with a more elaborate series for SHA256 on arm64 -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
