diff --git a/src/pkcs12.cc b/src/pkcs12.cc
index 5dc81fa..f5d5173 100644
--- a/src/pkcs12.cc
+++ b/src/pkcs12.cc
@@ -47,6 +47,73 @@ Handle<Value> extract_p12(const Arguments &args) {
 
 #endif
 
+Handle<Value> build_to_p12(char *p12path, char *inputcert, char* inputpriv, Local<Array> &inputarraycerts, char* passwd)
+{
+  HandleScope		scope;
+  X509			*cert;
+  STACK_OF(X509)	*arraycert;
+  PKCS12		*p12;
+  FILE			*fp;
+  EVP_PKEY		*priv;
+  BIO			*bio;
+
+
+  OpenSSL_add_all_algorithms();
+  ERR_load_crypto_strings();
+  bio = BIO_new(BIO_s_mem());
+  if (BIO_puts(bio, inputcert) < 0)
+    {
+      ThrowException(Exception::Error(String::New("Cannot load input certificate in BIO")));
+      return scope.Close(exports);
+    }
+  cert = PEM_read_bio_X509(bio, NULL, 0, NULL);
+  if (!cert)
+    {
+      BIO_free(bio);
+      bio = BIO_new(BIO_s_file());
+
+      if (!BIO_read_filename(bio, inputcert)) {
+	ThrowException(Exception::Error(String::New("Cert: File doesn't exist.")));
+	return scope.Close(exports);
+      }
+
+      // Try reading the bio again with the file in it.
+      cert = PEM_read_bio_X509(bio, NULL, 0, NULL);
+
+      if (cert == NULL) {
+	ThrowException(Exception::Error(String::New("Unable to parse certificate.")));
+	return scope.Close(exports);
+      }
+    }
+  BIO_free(bio);
+  bio = BIO_new(BIO_s_mem());
+  if (BIO_puts(bio, inputpriv) < 0)
+    {
+      ThrowException(Exception::Error(String::New("Cannot load input privatekey in BIO")));
+      return scope.Close(exports);
+    }
+  priv = d2i_PrivateKey_bio(bio, NULL);
+  if (!priv) 
+    {
+      BIO_free(bio);
+      bio = BIO_new(BIO_s_file());
+
+      if (!BIO_read_filename(bio, inputpriv)) {
+	ThrowException(Exception::Error(String::New("Private Key: File doesn't exist.")));
+	return scope.Close(exports);
+      }
+
+      priv = d2i_PrivateKey_bio(bio, NULL);
+      if (priv == NULL) {
+	ThrowException(Exception::Error(String::New("Unable to parse private key.")));
+	return scope.Close(exports);
+      }
+    }
+
+  scope.Close(Undefined());
+}
+
+
 Handle<Value> extract_from_p12(char *data, char* password) {
   HandleScope		scope;
   Handle<Object>	exports(Object::New());