1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
/* 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.
*
* Host-side functions for verified boot.
*/
#ifndef VBOOT_REFERENCE_HOST_SIGNATURE_H_
#define VBOOT_REFERENCE_HOST_SIGNATURE_H_
#include "cryptolib.h"
#include "host_key.h"
#include "utility.h"
#include "vboot_struct.h"
/* Initialize a signature struct. */
void SignatureInit(VbSignature* sig, uint8_t* sig_data,
uint64_t sig_size, uint64_t data_size);
/* Allocate a new signature with space for a [sig_size] byte signature. */
VbSignature* SignatureAlloc(uint64_t sig_size, uint64_t data_size);
/* Copy a signature key from [src] to [dest].
*
* Returns 0 if success, non-zero if error. */
int SignatureCopy(VbSignature* dest, const VbSignature* src);
/* Calculates a SHA-512 checksum.
* Caller owns the returned pointer, and must free it with Free().
*
* Returns NULL on error. */
VbSignature* CalculateChecksum(const uint8_t* data, uint64_t size);
/* Calculates a hash of the data using the algorithm from the specified key.
* Caller owns the returned pointer, and must free it with Free().
*
* Returns NULL on error. */
VbSignature* CalculateHash(const uint8_t* data, uint64_t size,
const VbPrivateKey* key);
/* Calculates a signature for the data using the specified key.
* Caller owns the returned pointer, and must free it with Free().
*
* Returns NULL on error. */
VbSignature* CalculateSignature(const uint8_t* data, uint64_t size,
const VbPrivateKey* key);
/* Calculates a signature for the data using the specified key and
* an external program.
* Caller owns the returned pointer, and must free it with Free().
*
* Returns NULL on error. */
VbSignature* CalculateSignature_external(const uint8_t* data, uint64_t size,
const char* key_file,
uint64_t key_algorithm,
const char* external_signer);
#endif /* VBOOT_REFERENCE_HOST_SIGNATURE_H_ */
|
