src/jdk.crypto.ec/share/native/libsunec/impl/mpi.c

rev 16167 : 8170525: Fix minor issues in AWT/ECC/PKCS11 coding
Reviewed-by: vinnie, clanger, prr, ssadetsky

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2007, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2016, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either

@@ -32,11 +32,11 @@
  *
  * Contributor(s):
  *   Netscape Communications Corporation
  *   Douglas Stebila <douglas@stebila.ca> of Sun Laboratories.
  *
- * Last Modified Date from the Original Code: June 2014
+ * Last Modified Date from the Original Code: Nov 2016
  *********************************************************************** */
 
 /*  Arbitrary precision integer arithmetic library */
 
 #include "mpi-priv.h"

@@ -657,10 +657,11 @@
 
     if((res = s_mp_sqr(&x)) != MP_OKAY)
       goto CLEANUP;
   }
 
+  s.flag = (mp_flag)0;
   s_mp_exch(&s, c);
 
 CLEANUP:
   mp_clear(&x);
 X:

@@ -1607,10 +1608,11 @@
     if((res = s_mp_sqr(&x)) != MP_OKAY ||
        (res = mp_mod(&x, m, &x)) != MP_OKAY)
       goto CLEANUP;
   }
 
+  s.flag = (mp_flag)0;
   s_mp_exch(&s, c);
 
 CLEANUP:
   mp_clear(&x);
 X:

@@ -4181,10 +4183,11 @@
 
 mp_err   s_mp_sqr(mp_int *a)
 {
   mp_err   res;
   mp_int   tmp;
+  tmp.flag = (mp_flag)0;
 
   if((res = mp_init_size(&tmp, 2 * USED(a), FLAG(a))) != MP_OKAY)
     return res;
   res = mp_sqr(a, &tmp);
   if (res == MP_OKAY) {

@@ -4218,10 +4221,12 @@
   mp_err   res;
   mp_digit d;
   mp_digit div_msd;
   int      ix;
 
+  t.dp = (mp_digit)0;
+
   if(mp_cmp_z(div) == 0)
     return MP_RANGE;
 
   /* Shortcut if divisor is power of two */
   if((ix = s_mp_ispow2(div)) >= 0) {