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trezor-firmware/ed25519-donna/ed25519-donna-portable.h
2017-06-05 16:33:40 +02:00

33 lines
786 B
C

#define mul32x32_64(a,b) (((uint64_t)(a))*(b))
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
#ifdef __GNUC__
#define DONNA_UNUSED __attribute__((unused))
#else
#define DONNA_UNUSED
#endif
#define DONNA_INLINE
#undef ALIGN
#define ALIGN(x) __attribute__((aligned(x)))
#define ROTL32(a,b) (((a) << (b)) | ((a) >> (32 - b)))
#define ROTR32(a,b) (((a) >> (b)) | ((a) << (32 - b)))
static inline void U32TO8_LE(unsigned char *p, const uint32_t v) {
p[0] = (unsigned char)(v );
p[1] = (unsigned char)(v >> 8);
p[2] = (unsigned char)(v >> 16);
p[3] = (unsigned char)(v >> 24);
}
static inline uint32_t U8TO32_LE(const unsigned char *p) {
return
(((uint32_t)(p[0]) ) |
((uint32_t)(p[1]) << 8) |
((uint32_t)(p[2]) << 16) |
((uint32_t)(p[3]) << 24));
}