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/*
* Copyright (C) 2008 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _RECOVERY_VERIFIER_H
#define _RECOVERY_VERIFIER_H
#include "mincrypt/p256.h"
#include "mincrypt/rsa.h"
#define ASSUMED_UPDATE_BINARY_NAME "META-INF/com/google/android/update-binary"
enum { INSTALL_SUCCESS, INSTALL_ERROR, INSTALL_CORRUPT };
static const float VERIFICATION_PROGRESS_FRACTION = 0.25;
typedef struct {
p256_int x;
p256_int y;
} ECPublicKey;
typedef struct {
typedef enum {
RSA,
EC,
} KeyType;
int hash_len; // SHA_DIGEST_SIZE (SHA-1) or SHA256_DIGEST_SIZE (SHA-256)
KeyType key_type;
RSAPublicKey* rsa;
ECPublicKey* ec;
} Certificate;
/* addr and length define a an update package file that has been
* loaded (or mmap'ed, or whatever) into memory. Verify that the file
* is signed and the signature matches one of the given keys. Return
* one of the constants below.
*/
int verify_file(unsigned char* addr, size_t length);
Certificate* load_keys(const char* filename, int* numKeys);
#define VERIFY_SUCCESS 0
#define VERIFY_FAILURE 1
#endif /* _RECOVERY_VERIFIER_H */
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