vboot/firmware/2lib/include/2id.h

/* 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.
 */

#ifndef VBOOT_REFERENCE_VBOOT_2ID_H_
#define VBOOT_REFERENCE_VBOOT_2ID_H_
#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,}}

#endif  /* VBOOT_REFERENCE_VBOOT_2ID_H_ */