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/* Copyright (c) 2011 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.
*
* Host functions for keys.
*/
/* TODO: change all 'return 0', 'return 1' into meaningful return codes */
#include <openssl/pem.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "2sysincludes.h"
#include "2common.h"
#include "2rsa.h"
#include "2sha.h"
#include "host_common.h"
#include "host_misc.h"
#include "vb2_common.h"
#include "vboot_common.h"
int packed_key_looks_ok(const struct vb2_packed_key *key, uint32_t size)
{
struct vb2_public_key pubkey;
if (VB2_SUCCESS != vb2_unpack_key_buffer(&pubkey,
(const uint8_t *)key,
size))
return 0;
if (key->key_version > VB2_MAX_KEY_VERSION) {
/* Currently, TPM only supports 16-bit version */
VB2_DEBUG("%s() - packed key invalid version\n", __func__);
return 0;
}
/* Success */
return 1;
}
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