wolfBoot/zephyr/include/psa/initial_attestation.h

66 lines
2.1 KiB
C

/* initial_attestation.h
*
* Copyright (C) 2026 wolfSSL Inc.
*
* This file is part of wolfBoot.
*
* wolfBoot is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* wolfBoot is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
*/
#ifndef PSA_INITIAL_ATTESTATION_H
#define PSA_INITIAL_ATTESTATION_H
#include <stddef.h>
#include <stdint.h>
#include "psa/error.h"
#ifdef __cplusplus
extern "C" {
#endif
#define PSA_INITIAL_ATTEST_API_VERSION_MAJOR (1)
#define PSA_INITIAL_ATTEST_API_VERSION_MINOR (0)
#define PSA_INITIAL_ATTEST_CHALLENGE_SIZE_32 (32u)
#define PSA_INITIAL_ATTEST_CHALLENGE_SIZE_48 (48u)
#define PSA_INITIAL_ATTEST_CHALLENGE_SIZE_64 (64u)
psa_status_t psa_initial_attest_get_token(const uint8_t *auth_challenge,
size_t challenge_size,
uint8_t *token_buf,
size_t token_buf_size,
size_t *token_size);
psa_status_t psa_initial_attest_get_token_size(size_t challenge_size,
size_t *token_size);
/* This function retrieves the public key for the IAK generated during
* the most recent psa_initial_attest_get_token call. The public key is
* returned in X9.63 uncompressed format (0x04 || X || Y). The internal
* copy of the public key is zeroized after this call (read-once).
* Not available when WOLFBOOT_ATTESTATION_IAK is set (provisioned key is used). */
#ifndef WOLFBOOT_ATTESTATION_IAK
psa_status_t psa_initial_attest_get_iak_pubkey(uint8_t *buf,
size_t buf_size,
size_t *key_len);
#endif /* !WOLFBOOT_ATTESTATION_IAK */
#ifdef __cplusplus
}
#endif
#endif /* PSA_INITIAL_ATTESTATION_H */