From a1cc7bb15473a2419b24ecac765ae0ce5989a13b Mon Sep 17 00:00:00 2001 From: Jussi Kivilinna Date: Sun, 1 Nov 2015 16:06:26 +0200 Subject: Add ARMv7/NEON implementation of Keccak * cipher/Makefile.am: Add 'keccak-armv7-neon.S'. * cipher/keccak-armv7-neon.S: New. * cipher/keccak.c (USE_64BIT_ARM_NEON): New. (NEED_COMMON64): Select if USE_64BIT_ARM_NEON. [NEED_COMMON64] (round_consts_64bit): Rename to... [NEED_COMMON64] (_gcry_keccak_round_consts_64bit): ...this; Add terminator at end. [USE_64BIT_ARM_NEON] (_gcry_keccak_permute_armv7_neon) (_gcry_keccak_absorb_lanes64_armv7_neon, keccak_permute64_armv7_neon) (keccak_absorb_lanes64_armv7_neon, keccak_armv7_neon_64_ops): New. (keccak_init) [USE_64BIT_ARM_NEON]: Select ARM/NEON implementation if supported by HW. * cipher/keccak_permute_64.h (KECCAK_F1600_PERMUTE_FUNC_NAME): Update to use new round constant table. * configure.ac: Add 'keccak-armv7-neon.lo'. -- Patch adds ARMv7/NEON implementation of Keccak (SHAKE/SHA3). Patch is based on public-domain implementation by Ronny Van Keer from SUPERCOP package: https://github.com/floodyberry/supercop/blob/master/crypto_hash/\ keccakc1024/inplace-armv7a-neon/keccak2.s Benchmark results on Cortex-A8 @ 1008 Mhz: Before (generic 32-bit bit-interleaved impl.): | nanosecs/byte mebibytes/sec cycles/byte SHAKE128 | 83.00 ns/B 11.49 MiB/s 83.67 c/B SHAKE256 | 101.7 ns/B 9.38 MiB/s 102.5 c/B SHA3-224 | 96.13 ns/B 9.92 MiB/s 96.90 c/B SHA3-256 | 101.5 ns/B 9.40 MiB/s 102.3 c/B SHA3-384 | 131.4 ns/B 7.26 MiB/s 132.5 c/B SHA3-512 | 189.1 ns/B 5.04 MiB/s 190.6 c/B After (ARM/NEON, ~3.2x faster): | nanosecs/byte mebibytes/sec cycles/byte SHAKE128 | 25.09 ns/B 38.01 MiB/s 25.29 c/B SHAKE256 | 30.95 ns/B 30.82 MiB/s 31.19 c/B SHA3-224 | 29.24 ns/B 32.61 MiB/s 29.48 c/B SHA3-256 | 30.95 ns/B 30.82 MiB/s 31.19 c/B SHA3-384 | 40.42 ns/B 23.59 MiB/s 40.74 c/B SHA3-512 | 58.37 ns/B 16.34 MiB/s 58.84 c/B Signed-off-by: Jussi Kivilinna --- configure.ac | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'configure.ac') diff --git a/configure.ac b/configure.ac index 2acfa363..ed37ab50 100644 --- a/configure.ac +++ b/configure.ac @@ -2108,7 +2108,7 @@ if test "$found" = "1" ; then if test x"$neonsupport" = xyes ; then # Build with the NEON implementation - : + GCRYPT_DIGESTS="$GCRYPT_DIGESTS keccak-armv7-neon.lo" fi fi -- cgit v1.2.1