1/*
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
20#include "mincrypt/p256.h"
21#include "mincrypt/rsa.h"
22
23typedef struct {
24    p256_int x;
25    p256_int y;
26} ECPublicKey;
27
28typedef struct {
29    typedef enum {
30        RSA,
31        EC,
32    } KeyType;
33
34    int hash_len;  // SHA_DIGEST_SIZE (SHA-1) or SHA256_DIGEST_SIZE (SHA-256)
35    KeyType key_type;
36    RSAPublicKey* rsa;
37    ECPublicKey* ec;
38} Certificate;
39
40/* addr and length define a an update package file that has been
41 * loaded (or mmap'ed, or whatever) into memory.  Verify that the file
42 * is signed and the signature matches one of the given keys.  Return
43 * one of the constants below.
44 */
45int verify_file(unsigned char* addr, size_t length,
46                const Certificate *pKeys, unsigned int numKeys);
47
48Certificate* load_keys(const char* filename, int* numKeys);
49
50#define VERIFY_SUCCESS        0
51#define VERIFY_FAILURE        1
52
53#endif  /* _RECOVERY_VERIFIER_H */
54