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f7559e4b46
This replaces calls to the old vboot 1 APIs with their vboot 2.0 equivalents. BUG=chromium:611535 BRANCH=none TEST=make runtests Change-Id: Ieb1a127577c6428c47ac088c3aaa0d0dad6275a8 Signed-off-by: Randall Spangler <rspangler@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/356541 Reviewed-by: Daisuke Nojiri <dnojiri@chromium.org>
60 lines
1.4 KiB
C
60 lines
1.4 KiB
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 "2sysincludes.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 "cryptolib.h"
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#include "host_common.h"
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#include "host_key.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(&pubkey, (const uint8_t *)key, 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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VB2_DEBUG("%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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/* TODO: the host code just uses this to check the embedded key length in
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* uint32_t's. It should get folded into packed_key_looks_ok. */
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RSAPublicKey *vb2_packed_key_to_rsa(const struct vb2_packed_key *key)
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{
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RSAPublicKey *rsa;
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if (!packed_key_looks_ok(key, key->key_size))
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return NULL;
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rsa = RSAPublicKeyFromBuf(vb2_packed_key_data(key), key->key_size);
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if (!rsa)
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return NULL;
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rsa->algorithm = (unsigned int)key->algorithm;
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return rsa;
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}
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