fix NIST P-256 / secp256k1 key generation.

2016-10-21 15:30:07 +09:00
parent e4333c6580
commit d4469c24ec
2 changed files with 5 additions and 1 deletions
--- a/src/ecc.c
+++ b/src/ecc.c
@@ -384,7 +384,7 @@ FUNC(check_secret) (const bn256 *d0, bn256 *d1)
 {
  ac Q0[1], Q1[1];

-  if (bn256_is_zero (d0) || bn256_sub (d1, N, d0) <= 0)
+  if (bn256_is_zero (d0) || bn256_sub (d1, N, d0) != 0)
    /* == 0 or >= N, it's not valid.  */
    return 0;