1 files changed, 24 insertions, 23 deletions

diff --git a/src/lib/libcrypto/bn/bn_blind.c b/src/lib/libcrypto/bn/bn_blind.c
index a7b34f0bf0..2d287e6d1b 100644
--- a/src/lib/libcrypto/bn/bn_blind.c
+++ b/src/lib/libcrypto/bn/bn_blind.c
@@ -60,15 +60,18 @@
 #include "cryptlib.h"
 #include "bn_lcl.h"
 
-BN_BLINDING *BN_BLINDING_new(A,Ai,mod)
-BIGNUM *A;
-BIGNUM *Ai;
-BIGNUM *mod;
+BN_BLINDING *BN_BLINDING_new(BIGNUM *A, BIGNUM *Ai, BIGNUM *mod)
         {
         BN_BLINDING *ret=NULL;
 
-        if ((ret=(BN_BLINDING *)Malloc(sizeof(BN_BLINDING))) == NULL)
+        bn_check_top(Ai);
+        bn_check_top(mod);
+
+        if ((ret=(BN_BLINDING *)OPENSSL_malloc(sizeof(BN_BLINDING))) == NULL)
+                {
                 BNerr(BN_F_BN_BLINDING_NEW,ERR_R_MALLOC_FAILURE);
+                return(NULL);
+                }
         memset(ret,0,sizeof(BN_BLINDING));
         if ((ret->A=BN_new()) == NULL) goto err;
         if ((ret->Ai=BN_new()) == NULL) goto err;
@@ -78,26 +81,26 @@ BIGNUM *mod;
         return(ret);
 err:
         if (ret != NULL) BN_BLINDING_free(ret);
-        return(ret);
+        return(NULL);
         }
 
-void BN_BLINDING_free(r)
-BN_BLINDING *r;
+void BN_BLINDING_free(BN_BLINDING *r)
         {
+        if(r == NULL)
+            return;
+
         if (r->A  != NULL) BN_free(r->A );
         if (r->Ai != NULL) BN_free(r->Ai);
-        Free(r);
+        OPENSSL_free(r);
         }
 
-int BN_BLINDING_update(b,ctx)
-BN_BLINDING *b;
-BN_CTX *ctx;
+int BN_BLINDING_update(BN_BLINDING *b, BN_CTX *ctx)
         {
         int ret=0;
 
         if ((b->A == NULL) || (b->Ai == NULL))
                 {
-                BNerr(BN_F_BN_BLINDING_UPDATE,BN_R_NOT_INITALISED);
+                BNerr(BN_F_BN_BLINDING_UPDATE,BN_R_NOT_INITIALIZED);
                 goto err;
                 }
                 
@@ -109,28 +112,26 @@ err:
         return(ret);
         }
 
-int BN_BLINDING_convert(n,b,ctx)
-BIGNUM *n;
-BN_BLINDING *b;
-BN_CTX *ctx;
+int BN_BLINDING_convert(BIGNUM *n, BN_BLINDING *b, BN_CTX *ctx)
         {
+        bn_check_top(n);
+
         if ((b->A == NULL) || (b->Ai == NULL))
                 {
-                BNerr(BN_F_BN_BLINDING_CONVERT,BN_R_NOT_INITALISED);
+                BNerr(BN_F_BN_BLINDING_CONVERT,BN_R_NOT_INITIALIZED);
                 return(0);
                 }
         return(BN_mod_mul(n,n,b->A,b->mod,ctx));
         }
 
-int BN_BLINDING_invert(n,b,ctx)
-BIGNUM *n;
-BN_BLINDING *b;
-BN_CTX *ctx;
+int BN_BLINDING_invert(BIGNUM *n, BN_BLINDING *b, BN_CTX *ctx)
         {
         int ret;
+
+        bn_check_top(n);
         if ((b->A == NULL) || (b->Ai == NULL))
                 {
-                BNerr(BN_F_BN_BLINDING_INVERT,BN_R_NOT_INITALISED);
+                BNerr(BN_F_BN_BLINDING_INVERT,BN_R_NOT_INITIALIZED);
                 return(0);
                 }
         if ((ret=BN_mod_mul(n,n,b->Ai,b->mod,ctx)) >= 0)