Add FIXME comment.

b4115a0a · Niels Möller · ecee4903 · b4115a0a
Commit b4115a0a authored Jun 20, 2016 by Niels Möller
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curve25519-mul.c curve25519-mul.c +1 -0

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--- a/curve25519-mul.c
+++ b/curve25519-mul.c
@@ -122,6 +122,7 @@ curve25519_mul (uint8_t *q, const uint8_t *n, const uint8_t *p)
      ecc_modp_sqr (ecc, DA, C);
      ecc_modp_mul (ecc, z3, DA, x1);

+      /* FIXME: Could be combined with the loop's initial cnd_swap. */
      cnd_swap (bit, x2, x3, 2*ecc->p.size);
    }
  /* Do the 3 low zero bits, just duplicating x2 */