From d14739644394986cb584acb45ed9b214dff1c501 Mon Sep 17 00:00:00 2001 From: Kévin Le Gouguec Date: Tue, 27 Nov 2018 08:58:46 +0100 Subject: Mise en commun du code TBC et ΘCB3 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Il ne devrait pas varier selon les paramètres AFAICT. --- src/tweakey.h | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 src/tweakey.h (limited to 'src/tweakey.h') diff --git a/src/tweakey.h b/src/tweakey.h new file mode 100644 index 0000000..0642724 --- /dev/null +++ b/src/tweakey.h @@ -0,0 +1,31 @@ +#ifndef TWEAKEY_H +#define TWEAKEY_H + +#include + +#include "parameters.h" + + +struct tweakey_state +{ + uint8_t TK[TWEAKEY_BYTES]; +}; + +typedef struct tweakey_state tweakey_state; + + +void tweakey_state_init( + tweakey_state *TK, + const uint8_t key[KEY_BYTES], + const uint8_t tweak[TWEAK_BYTES] +); + +void tweakey_state_extract( + const tweakey_state *TK, + uint8_t round_tweakey[ROUND_TWEAKEY_BYTES], /* output */ + uint8_t i /* round constant */ +); + +void tweakey_state_update(tweakey_state *TK); + +#endif /* TWEAKEY_H */ -- cgit v1.2.3