crypto/openssh/ge25519.c

87   fe25519_sub(&a, &r->y, &r->x); /* A = (Y1-X1)*(Y2-X2) */
89   fe25519_sub(&t1, &q->y, &q->x);
93   fe25519_sub(&e, &b, &a); /* E = B-A */
98   fe25519_sub(&f, &d, &c); /* F = D-C */
110   fe25519_sub(&a, &p->y, &p->x); /* A = (Y1-X1)*(Y2-X2) */
111   fe25519_sub(&t, &q->y, &q->x);
120   fe25519_sub(&r->x, &b, &a); /* E = B-A */
121   fe25519_sub(&r->t, &d, &c); /* F = D-C */
138   fe25519_sub(&r->x, &r->x, &a);
139   fe25519_sub(&r->x, &r->x, &b);
141   fe25519_sub(&r->t, &r->z, &c);
142   fe25519_sub(&r->y, &d, &b);
205   fe25519_sub(&num, &num, &r->z); /* x = y^2-1 */