platform_bootable_recovery/verifier.h
Kenny Root 7a4adb5268 Add support for ECDSA signatures
This adds support for key version 5 which is an EC key using the NIST
P-256 curve parameters. OTAs may be signed with these keys using the
ECDSA signature algorithm with SHA-256.

Change-Id: Id88672a3deb70681c78d5ea0d739e10f839e4567
2013-10-10 14:19:19 -07:00

50 lines
1.4 KiB
C

/*
* 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"
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;
/* Look in the file for a signature footer, and verify that it
* matches one of the given keys. Return one of the constants below.
*/
int verify_file(const char* path, const Certificate *pKeys, unsigned int numKeys);
Certificate* load_keys(const char* filename, int* numKeys);
#define VERIFY_SUCCESS 0
#define VERIFY_FAILURE 1
#endif /* _RECOVERY_VERIFIER_H */