Avoid a conditional jump

2014-10-04 23:36:53 -07:00 · 2014-10-04 23:36:53 -07:00 · e04f1b6854
commit e04f1b6854
parent d34743241e
1 changed files with 1 additions and 1 deletions
--- a/src/libsodium/crypto_sign/ed25519/ref10/open.c
+++ b/src/libsodium/crypto_sign/ed25519/ref10/open.c
@ -28,7 +28,7 @@ crypto_sign_check_S_lt_l(const unsigned char *S)
        n &= ((S[i] ^ l[i]) - 1) >> 8;
    } while (i != 0);

-    return -(c == 0);
+    return ((int) c) - 1;
 }
 #endif