Rename add and dup functions for Edwards curves.

1 files changed, 0 insertions, 74 deletions

diff --git a/ecc-add-eh.c b/ecc-add-eh.c
index 85e06648..8e6b82ab 100644
--- a/ecc-add-eh.c
+++ b/ecc-add-eh.c
@@ -55,80 +55,6 @@ ecc_add_eh (const struct ecc_curve *ecc,
 #define z3 (r + 2*ecc->p.size)
 
   /* Formulas (from djb,
-     http://www.hyperelliptic.org/EFD/g1p/auto-twisted-projective.html#addition-madd-2008-bbjlp
-
-     Computation	Operation	Live variables
-
-     C = x1*x2		mul		C
-     D = y1*y2		mul		C, D
-     T = (x1+y1)*(x2+y2) mul		C, D, T
-         - C - D
-     E = b*C*D          2 mul		C, E, T  (Replace C <-- D+C)
-     B = z1^2		sqr		B, C, E, T
-     F = B - E				B, C, E, F, T
-     G = B + E     			C, F, G, T
-     x3 = z1 * F * T    2 mul		C, F, G, T
-     y3 = z1*G*(D+C)	2 mul		F, G
-     z3 = F*G		mul
-
-     10M + 1S
-
-     We have different sign for E, hence swapping F and G, because our
-     ecc->b corresponds to -b above.
-  */
-#define C (scratch)
-#define D (scratch + 1*ecc->p.size)
-#define T (scratch + 2*ecc->p.size)
-#define E (scratch + 3*ecc->p.size)
-#define B (scratch + 4*ecc->p.size)
-#define F D
-#define G E
-
-  ecc_modp_mul (ecc, C, x1, x2);
-  ecc_modp_mul (ecc, D, y1, y2);
-  ecc_modp_add (ecc, x3, x1, y1);
-  ecc_modp_add (ecc, y3, x2, y2);
-  ecc_modp_mul (ecc, T, x3, y3);
-  ecc_modp_sub (ecc, T, T, C);
-  ecc_modp_sub (ecc, T, T, D);
-  ecc_modp_mul (ecc, x3, C, D);
-  ecc_modp_mul (ecc, E, x3, ecc->b);
-
-  ecc_modp_add (ecc, C, D, C);
-  ecc_modp_sqr (ecc, B, z1);
-  ecc_modp_sub (ecc, F, B, E);
-  ecc_modp_add (ecc, G, B, E);
-
-  /* x3 */
-  ecc_modp_mul (ecc, B, G, T);
-  ecc_modp_mul (ecc, x3, B, z1);
-
-  /* y3 */
-  ecc_modp_mul (ecc, B, F, z1);
-  ecc_modp_mul (ecc, y3, B, C); /* Clobbers z1 in case r == p. */
-
-  /* z3 */
-  ecc_modp_mul (ecc, B, F, G);
-  mpn_copyi (z3, B, ecc->p.size);
-}
-
-void
-ecc_add_eh_untwisted (const struct ecc_curve *ecc,
-		      mp_limb_t *r, const mp_limb_t *p, const mp_limb_t *q,
-		      mp_limb_t *scratch)
-{
-#define x1 p
-#define y1 (p + ecc->p.size)
-#define z1 (p + 2*ecc->p.size)
-
-#define x2 q
-#define y2 (q + ecc->p.size)
-
-#define x3 r
-#define y3 (r + ecc->p.size)
-#define z3 (r + 2*ecc->p.size)
-
-  /* Formulas (from djb,
      http://www.hyperelliptic.org/EFD/g1p/auto-edwards-projective.html#doubling-dbl-2007-bl):
 
      Computation	Operation	Live variables