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| author | Mattias Andrée <maandree@kth.se> | 2024-09-15 11:57:21 +0200 |
|---|---|---|
| committer | Mattias Andrée <maandree@kth.se> | 2024-09-15 11:57:21 +0200 |
| commit | 7897170e09aa19122053ff24797b4d7c23f47cbc (patch) | |
| tree | 7d13e4ed39c46ffe803076603b742bb47479122d /libkeccak.h | |
| parent | m (diff) | |
| download | libkeccak-7897170e09aa19122053ff24797b4d7c23f47cbc.tar.gz libkeccak-7897170e09aa19122053ff24797b4d7c23f47cbc.tar.bz2 libkeccak-7897170e09aa19122053ff24797b4d7c23f47cbc.tar.xz | |
Optimisation for w=8,16,32
Signed-off-by: Mattias Andrée <maandree@kth.se>
Diffstat (limited to 'libkeccak.h')
| -rw-r--r-- | libkeccak.h | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/libkeccak.h b/libkeccak.h index 670c69e..814883b 100644 --- a/libkeccak.h +++ b/libkeccak.h @@ -14,6 +14,10 @@ # pragma clang diagnostic ignored "-Wdocumentation" # pragma clang diagnostic ignored "-Wunknown-attributes" #endif +#if defined(__GNUC__) +# pragma GCC diagnostic push +# pragma GCC diagnostic ignored "-Winline" +#endif /** @@ -59,7 +63,12 @@ struct libkeccak_state { /** * The lanes (state/sponge) */ - int64_t S[25]; + union { + uint64_t w64[25]; + uint32_t w32[25]; + uint16_t w16[25]; + uint8_t w8[25]; + } S; /** * The bitrate @@ -89,7 +98,7 @@ struct libkeccak_state { /** * The word mask */ - int64_t wmod; + uint64_t wmod; /** * ℓ, the binary logarithm of the word size @@ -255,7 +264,12 @@ void libkeccak_simple_squeeze(register struct libkeccak_state *, register long i * @param times The number of digests */ LIBKECCAK_GCC_ONLY(__attribute__((__nonnull__, __nothrow__))) -void libkeccak_fast_squeeze(register struct libkeccak_state *, register long int); +inline void +libkeccak_fast_squeeze(register struct libkeccak_state *state, register long int times) +{ + times *= (state->n - 1) / state->r + 1; + libkeccak_simple_squeeze(state, times); +} /** * Squeeze out another digest @@ -311,6 +325,9 @@ libkeccak_state_destroy(volatile struct libkeccak_state *state) +#if defined(__GNUC__) +# pragma GCC diagnostic pop +#endif #if defined(__clang__) # pragma clang diagnostic pop #endif |