bug fix for ecdsa

2014-01-22 14:34:46 +09:00
parent 94508ae5d9
commit 5c01e92c20
1 changed files with 1 additions and 1 deletions
--- a/src/ec_p256.c
+++ b/src/ec_p256.c
@@ -535,7 +535,7 @@ ecdsa (bn256 *r, bn256 *s, const bn256 *z, const bn256 *d)
      if (carry)
 	bn256_sub (s, s, N);
      else
-	bn256_sub (tmp, s, N);
+	bn256_sub ((bn256 *)tmp, s, N);
      bn256_mul (tmp, s, k_inv);
      mod_reduce (s, tmp, N, MU_lower);
    }