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The Android Open Source Projectc24a8e62009-03-03 19:28:42 -08001/*
2 * Copyright (C) 2008 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef _RECOVERY_VERIFIER_H
18#define _RECOVERY_VERIFIER_H
19
Tao Bao71e3e092016-02-02 14:02:27 -080020#include <memory>
21#include <vector>
22
Elliott Hughes8febafa2016-04-13 16:39:56 -070023#include <openssl/ec_key.h>
24#include <openssl/rsa.h>
25#include <openssl/sha.h>
The Android Open Source Projectc24a8e62009-03-03 19:28:42 -080026
Elliott Hughes8febafa2016-04-13 16:39:56 -070027struct RSADeleter {
28 void operator()(RSA* rsa) {
29 RSA_free(rsa);
30 }
31};
32
33struct ECKEYDeleter {
34 void operator()(EC_KEY* ec_key) {
35 EC_KEY_free(ec_key);
36 }
37};
Kenny Root7a4adb52013-10-09 10:14:35 -070038
Tao Bao71e3e092016-02-02 14:02:27 -080039struct Certificate {
Kenny Root7a4adb52013-10-09 10:14:35 -070040 typedef enum {
Elliott Hughes8febafa2016-04-13 16:39:56 -070041 KEY_TYPE_RSA,
42 KEY_TYPE_EC,
Kenny Root7a4adb52013-10-09 10:14:35 -070043 } KeyType;
44
Elliott Hughes8febafa2016-04-13 16:39:56 -070045 Certificate(int hash_len_,
46 KeyType key_type_,
47 std::unique_ptr<RSA, RSADeleter>&& rsa_,
48 std::unique_ptr<EC_KEY, ECKEYDeleter>&& ec_)
49 : hash_len(hash_len_),
50 key_type(key_type_),
51 rsa(std::move(rsa_)),
52 ec(std::move(ec_)) {}
Tao Bao71e3e092016-02-02 14:02:27 -080053
Elliott Hughes8febafa2016-04-13 16:39:56 -070054 // SHA_DIGEST_LENGTH (SHA-1) or SHA256_DIGEST_LENGTH (SHA-256)
55 int hash_len;
Kenny Root7a4adb52013-10-09 10:14:35 -070056 KeyType key_type;
Elliott Hughes8febafa2016-04-13 16:39:56 -070057 std::unique_ptr<RSA, RSADeleter> rsa;
58 std::unique_ptr<EC_KEY, ECKEYDeleter> ec;
Tao Bao71e3e092016-02-02 14:02:27 -080059};
Doug Zongker30362a62013-04-10 11:32:17 -070060
Doug Zongker99916f02014-01-13 14:16:58 -080061/* addr and length define a an update package file that has been
62 * loaded (or mmap'ed, or whatever) into memory. Verify that the file
63 * is signed and the signature matches one of the given keys. Return
64 * one of the constants below.
The Android Open Source Projectc24a8e62009-03-03 19:28:42 -080065 */
Doug Zongker99916f02014-01-13 14:16:58 -080066int verify_file(unsigned char* addr, size_t length,
Tao Bao71e3e092016-02-02 14:02:27 -080067 const std::vector<Certificate>& keys);
Doug Zongker60151a22009-08-12 18:30:03 -070068
Tao Bao71e3e092016-02-02 14:02:27 -080069bool load_keys(const char* filename, std::vector<Certificate>& certs);
Doug Zongker6c249f72012-11-02 15:04:05 -070070
Doug Zongker60151a22009-08-12 18:30:03 -070071#define VERIFY_SUCCESS 0
72#define VERIFY_FAILURE 1
The Android Open Source Projectc24a8e62009-03-03 19:28:42 -080073
74#endif /* _RECOVERY_VERIFIER_H */