55 lines
1.6 KiB
C
55 lines
1.6 KiB
C
/*
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* Copyright (c) 2018-2022, Arm Limited. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*
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*/
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#ifndef PSA_INITIAL_ATTESTATION_H
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#define PSA_INITIAL_ATTESTATION_H
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#include <limits.h>
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#include <stddef.h>
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#include <stdint.h>
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#include "psa/error.h"
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/*
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* Initial attestation API version is: 1.0.0
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*/
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#define PSA_INITIAL_ATTEST_API_VERSION_MAJOR (1)
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#define PSA_INITIAL_ATTEST_API_VERSION_MINOR (0)
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/* The allowed size of input challenge in bytes. */
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#define PSA_INITIAL_ATTEST_CHALLENGE_SIZE_32 32U
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#define PSA_INITIAL_ATTEST_CHALLENGE_SIZE_48 48U
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#define PSA_INITIAL_ATTEST_CHALLENGE_SIZE_64 64U
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/* Initial Attestation message types that distinguish Attest services. */
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#define RSS_ATTEST_GET_TOKEN 1001U
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#define RSS_ATTEST_GET_TOKEN_SIZE 1002U
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#define RSS_ATTEST_GET_DELEGATED_KEY 1003U
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/**
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* Get the platform attestation token.
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*
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* auth_challenge Pointer to buffer where challenge input is stored. This
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* must be the hash of the public part of the delegated
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* attestation key.
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* challenge_size Size of challenge object in bytes.
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* token_buf Pointer to the buffer where attestation token will be
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* stored.
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* token_buf_size Size of allocated buffer for token, in bytes.
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* token_size Size of the token that has been returned, in bytes.
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*
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* Returns error code as specified in psa_status_t.
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*/
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psa_status_t
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psa_initial_attest_get_token(const uint8_t *auth_challenge,
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size_t challenge_size,
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uint8_t *token_buf,
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size_t token_buf_size,
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size_t *token_size);
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#endif /* PSA_INITIAL_ATTESTATION_H */
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