|  | /* Copyright 2015 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. | 
|  | * | 
|  | * Key ID, used to quickly match keys with signatures. There's not a standard | 
|  | * fingerprint for private keys, so we're using the sha1sum of the public key | 
|  | * in our keyb format. Pretty much anything would work as long as it's | 
|  | * resistant to collisions and easy to compare. | 
|  | */ | 
|  |  | 
|  | #pragma once | 
|  | #include <stdint.h> | 
|  |  | 
|  | #define VB2_ID_NUM_BYTES 20 | 
|  |  | 
|  | struct vb2_id { | 
|  | uint8_t raw[VB2_ID_NUM_BYTES]; | 
|  | } __attribute__((packed)); | 
|  |  | 
|  | #define EXPECTED_ID_SIZE VB2_ID_NUM_BYTES | 
|  |  | 
|  | /* IDs to use for "keys" with sig_alg==VB2_SIG_NONE */ | 
|  | #define VB2_ID_NONE_SHA1   {{0x00, 0x01,}} | 
|  | #define VB2_ID_NONE_SHA256 {{0x02, 0x56,}} | 
|  | #define VB2_ID_NONE_SHA512 {{0x05, 0x12,}} | 
|  |  |