42 lines
974 B
C
42 lines
974 B
C
/* Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*
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* Host functions for keys.
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*/
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/* TODO: change all 'return 0', 'return 1' into meaningful return codes */
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#include <openssl/pem.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "2common.h"
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#include "2rsa.h"
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#include "2sha.h"
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#include "2sysincludes.h"
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#include "host_common.h"
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#include "host_misc.h"
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#include "vb2_common.h"
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#include "vboot_common.h"
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int packed_key_looks_ok(const struct vb2_packed_key *key, uint32_t size)
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{
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struct vb2_public_key pubkey;
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if (VB2_SUCCESS != vb2_unpack_key_buffer(&pubkey,
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(const uint8_t *)key,
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size))
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return 0;
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if (key->key_version > VB2_MAX_KEY_VERSION) {
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/* Currently, TPM only supports 16-bit version */
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fprintf(stderr, "%s() packed key invalid version\n", __func__);
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return 0;
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}
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/* Success */
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return 1;
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}
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