mkp224o/ed25519/amd64-64-24k/fe25519_unpack.c

12 lines
322 B
C

#include "fe25519.h"
void fe25519_unpack(fe25519 *r, const unsigned char x[32])
{
/* assuming little-endian */
r->v[0] = *(unsigned long long *)x;
r->v[1] = *(((unsigned long long *)x)+1);
r->v[2] = *(((unsigned long long *)x)+2);
r->v[3] = *(((unsigned long long *)x)+3);
r->v[3] &= 0x7fffffffffffffffULL;
}