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| author | Matthias Schiffer <mschiffer@universe-factory.net> | 2012-09-15 06:01:11 +0200 |
|---|---|---|
| committer | Matthias Schiffer <mschiffer@universe-factory.net> | 2012-09-15 06:01:11 +0200 |
| commit | 37385fcd836bcc086b56b8dc7089d5038c203f13 (patch) | |
| tree | e4baf6ea1c24ebb8fbc93f02526acb56d186c606 /src/fastd.h | |
| parent | 430a8557d4421f41fbf834909f7598cfc64e3311 (diff) | |
| download | fastd-37385fcd836bcc086b56b8dc7089d5038c203f13.tar fastd-37385fcd836bcc086b56b8dc7089d5038c203f13.zip | |
Rework some parts of the AES128-GCM method
These changes improve the performance of the AES128-GCM method by ~10% on my
Intel CPU when compiled with -O2.
Furthermore, the AES and the GHASH parts are separated now, allowing to switch
to other implementations of the algorithms more easily.
Diffstat (limited to 'src/fastd.h')
| -rw-r--r-- | src/fastd.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/fastd.h b/src/fastd.h index 12702e7..e1c531b 100644 --- a/src/fastd.h +++ b/src/fastd.h @@ -91,6 +91,8 @@ struct _fastd_method { size_t (*max_packet_size)(fastd_context *ctx); size_t (*min_encrypt_head_space)(fastd_context *ctx); size_t (*min_decrypt_head_space)(fastd_context *ctx); + size_t (*min_encrypt_tail_space)(fastd_context *ctx); + size_t (*min_decrypt_tail_space)(fastd_context *ctx); fastd_method_session_state* (*session_init)(fastd_context *ctx, uint8_t *secret, size_t length, bool initiator); bool (*session_is_valid)(fastd_context *ctx, fastd_method_session_state *session); @@ -349,7 +351,7 @@ static inline void fastd_string_stack_free(fastd_string_stack *str) { } } -#define ALIGN8(l) (((l+7)/8)*8) +#define ALIGN(l, a) (((l+a-1)/a)*a) static inline bool timespec_after(const struct timespec *tp1, const struct timespec *tp2) { return (tp1->tv_sec > tp2->tv_sec || |