mp_jacobi: error-out until #44 is fixed

2016-01-12 13:48:37 +01:00 · 2016-01-12 13:48:37 +01:00 · e8d2609f81
commit e8d2609f81
parent d231f1a1a7
1 changed files with 5 additions and 0 deletions
--- a/bn_mp_jacobi.c
+++ b/bn_mp_jacobi.c
@ -26,6 +26,11 @@ int mp_jacobi (mp_int * a, mp_int * n, int *c)
  int     k, s, r, res;
  mp_digit residue;

+  /* if a < 0 return MP_VAL */
+  if (mp_isneg(a) == MP_YES) {
+     return MP_VAL;
+  }
+
  /* if n <= 0 return MP_VAL */
  if (mp_cmp_d(n, 0) != MP_GT) {
     return MP_VAL;