ext/ed25519-amd64-asm/sc25519_mul.c


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#include "sc25519.h"

#define ull4_mul        crypto_sign_ed25519_amd64_64_ull4_mul

extern void ull4_mul(unsigned long long r[8], const unsigned long long x[4], const unsigned long long y[4]);

void sc25519_mul(sc25519 *r, const sc25519 *x, const sc25519 *y)
{
  unsigned long long t[8];
  ull4_mul(t, x->v, y->v);
  sc25519_barrett(r, t);
}