ascon-masked-backend.h

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/*
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#ifndef ASCON_MASKED_BACKEND_H
#define ASCON_MASKED_BACKEND_H
 
#include "core/ascon-select-backend.h"
#include "ascon-masked-config.h"
 
/* Select the default back end to use for the masked ASCON permutation,
 * and any properties we can use to optimize use of the permutation. */
 
#if defined(ASCON_BACKEND_AVR5)
 
/* Masked backend for AVR5 based systems */
#define ASCON_MASKED_X2_BACKEND_AVR5 1
#define ASCON_MASKED_X3_BACKEND_AVR5 1
#define ASCON_MASKED_WORD_BACKEND_DIRECT_XOR 1
 
#elif defined(ASCON_BACKEND_X86_64)
 
/* Masked backend for x86-64 based systems */
#define ASCON_MASKED_X2_BACKEND_X86_64 1
#define ASCON_MASKED_X3_BACKEND_X86_64 1
#define ASCON_MASKED_X4_BACKEND_X86_64 1
#define ASCON_MASKED_WORD_BACKEND_X86_64 1
#define ASCON_MASKED_BACKEND_SLICED64 1
 
#elif defined(ASCON_BACKEND_SLICED32)
 
/* Use the 32-bit sliced backend for masking if we were using the
 * 32-bit sliced backend for the regular permutation as then it is
 * easier to convert between masked and unmasked representations. */
#define ASCON_MASKED_X2_BACKEND_C32 1
#define ASCON_MASKED_X3_BACKEND_C32 1
#define ASCON_MASKED_X4_BACKEND_C32 1
#define ASCON_MASKED_WORD_BACKEND_C32 1
#define ASCON_MASKED_BACKEND_SLICED32 1
 
#else
 
/* Fall back to the 64-bit version of the masked backend if nothing better */
#define ASCON_MASKED_X2_BACKEND_C64 1
#define ASCON_MASKED_X3_BACKEND_C64 1
#define ASCON_MASKED_X4_BACKEND_C64 1
#define ASCON_MASKED_WORD_BACKEND_C64 1
#define ASCON_MASKED_BACKEND_SLICED64 1
 
#endif
 
#endif