Lines Matching refs:den
1788 fe25519 t, chk, num, den, den2, den4, den6;
1793 fe25519_mul(&den, &num, &ge25519_ecd); /* den = dy^2 */
1795 fe25519_add(&den, &r->z, &den); /* den = dy^2+1 */
1797 /* Computation of sqrt(num/den) */
1798 /* 1.: computation of num^((p-5)/8)*den^((7p-35)/8) = (num*den^7)^((p-5)/8) */
1799 fe25519_square(&den2, &den);
1803 fe25519_mul(&t, &t, &den);
1806 /* 2. computation of r->x = t * num * den^3 */
1808 fe25519_mul(&t, &t, &den);
1809 fe25519_mul(&t, &t, &den);
1810 fe25519_mul(&r->x, &t, &den);
1814 fe25519_mul(&chk, &chk, &den);
1820 fe25519_mul(&chk, &chk, &den);