VBoot Reference: Fix many memory leaks.

src/platform/vboot_reference/include/rsa_utility.h

 /* Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  *
  * Some utility functions for use with RSA signature verification.
  */
 
 #ifndef VBOOT_REFERENCE_RSA_UTILITY_H_
 #define VBOOT_REFERENCE_RSA_UTILITY_H_
 
 #include "rsa.h"
 
 /* Returns the size of a pre-processed RSA public key in bytes with algorithm
  * [algorithm]. */
 int RSAProcessedKeySize(int algorithm);
 
+/* Allocate a new RSAPublicKey structure and initialize its pointer fields to
+ * NULL */
+RSAPublicKey* RSAPublicKeyNew(void);
+
 /* Deep free the contents of [key]. */
 void RSAPublicKeyFree(RSAPublicKey* key);
 
 /* Create a RSAPublic key structure from binary blob [buf] of length
  * [len].
  *
  * Caller owns the returned key and must free it.
  */
 RSAPublicKey* RSAPublicKeyFromBuf(const uint8_t* buf, int len);
 
@@ skipping 11 matching lines @@
  *
  */
 int RSAVerifyBinary_f(const uint8_t* key_blob,
                       const RSAPublicKey* key,
                       const uint8_t* buf,
                       int len,
                       const uint8_t* sig,
                       int algorithm);
 
 #endif  /* VBOOT_REFERENCE_RSA_UTILITY_H_ */