www.usr.com/support/gpl/USR9107_release.1.4.tar.gz

[bcm963xx.git] / userapps / opensource / sshd / libtommath / bn_mp_init.c

diff --git a/userapps/opensource/sshd/libtommath/bn_mp_init.c b/userapps/opensource/sshd/libtommath/bn_mp_init.c
index 2cfa002..9d70554 100755 (executable)
--- a/userapps/opensource/sshd/libtommath/bn_mp_init.c
+++ b/userapps/opensource/sshd/libtommath/bn_mp_init.c
@@ -1,10 +1,12 @@
+#include <tommath.h>
+#ifdef BN_MP_INIT_C
 /* LibTomMath, multiple-precision integer library -- Tom St Denis
  *
- * LibTomMath is library that provides for multiple-precision
+ * LibTomMath is a library that provides multiple-precision
  * integer arithmetic as well as number theoretic functionality.
  *
- * The library is designed directly after the MPI library by
- * Michael Fromberger but has been written from scratch with 
+ * The library was designed directly after the MPI library by
+ * Michael Fromberger but has been written from scratch with
  * additional optimizations in place.
  *
  * The library is free for all purposes without any express
@@ -12,18 +14,23 @@
  *
  * Tom St Denis, tomstdenis@iahu.ca, http://math.libtomcrypt.org
  */
-#include <tommath.h>
 
-/* init a new bigint */
-int
-mp_init (mp_int * a)
+/* init a new mp_int */
+int mp_init (mp_int * a)
 {
-  /* allocate ram required and clear it */
-  a->dp = OPT_CAST calloc (sizeof (mp_digit), MP_PREC);
+  int i;
+
+  /* allocate memory required and clear it */
+  a->dp = OPT_CAST(mp_digit) XMALLOC (sizeof (mp_digit) * MP_PREC);
   if (a->dp == NULL) {
     return MP_MEM;
   }
 
+  /* set the digits to zero */
+  for (i = 0; i < MP_PREC; i++) {
+      a->dp[i] = 0;
+  }
+
   /* set the used to zero, allocated digits to the default precision
    * and sign to positive */
   a->used  = 0;
@@ -32,3 +39,4 @@ mp_init (mp_int * a)
 
   return MP_OKAY;
 }
+#endif