Add missing bn_check_top()s to bn_kron.c, remove some miscellaneous

white-space, and include extra headers to satisfy debugging builds.

diff --git a/crypto/bn/bn_kron.c b/crypto/bn/bn_kron.c
index 49f75594aed019f26e8c36ff543432daadb5a919..740359b7520de3609e825801d96a5f41df81ea98 100644 (file)
--- a/crypto/bn/bn_kron.c
+++ b/crypto/bn/bn_kron.c
@@ -53,9 +53,9 @@
  *
  */
 
+#include "cryptlib.h"
 #include "bn_lcl.h"
 
-
 /* least significant word */
 #define BN_lsw(n) (((n)->top == 0) ? (BN_ULONG) 0 : (n)->d[0])
 
@@ -74,6 +74,9 @@ int BN_kronecker(const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)
         */
        static const int tab[8] = {0, 1, 0, -1, 0, -1, 0, 1};
 
+       bn_check_top(a);
+       bn_check_top(b);
+
        BN_CTX_start(ctx);
        A = BN_CTX_get(ctx);
        B = BN_CTX_get(ctx);
@@ -172,8 +175,7 @@ int BN_kronecker(const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)
                tmp = A; A = B; B = tmp;
                tmp->neg = 0;
                }
-       
- end:
+end:
        BN_CTX_end(ctx);
        if (err)
                return -2;