mirror of https://github.com/wolfSSL/wolfBoot.git
60 lines
2.0 KiB
C
60 lines
2.0 KiB
C
/* dice.h
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*
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* DICE helpers and PSA attestation token builder.
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*
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* Copyright (C) 2026 wolfSSL Inc.
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*
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* This file is part of wolfBoot.
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*
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* wolfBoot is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* wolfBoot is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
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*/
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#ifndef WOLFBOOT_DICE_H
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#define WOLFBOOT_DICE_H
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#include <stddef.h>
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#include <stdint.h>
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/* Component name used in the DICE claims for the wolfBoot measurement.
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* Shared between dice.c (producer) and HAL (consumer) to keep them in sync. */
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#define WOLFBOOT_DICE_COMPONENT_WOLFBOOT "wolfboot"
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#define WOLFBOOT_DICE_COMPONENT_BOOTIMAGE "boot-image"
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#ifdef __cplusplus
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extern "C" {
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#endif
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int wolfBoot_dice_get_token(const uint8_t *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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int wolfBoot_dice_get_token_size(size_t challenge_size, size_t *token_size);
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/* Retrieve the IAK public key as a 65-byte X9.63 uncompressed point
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* (0x04 || X[32] || Y[32]). Must be called after wolfBoot_dice_get_token().
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* The internal copy is zeroized after this call (read-once).
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* Not available when WOLFBOOT_ATTESTATION_IAK is set (provisioned key is used). */
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#ifndef WOLFBOOT_ATTESTATION_IAK
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int wolfBoot_dice_get_attest_pubkey(uint8_t *buf, size_t *len);
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#endif /* !WOLFBOOT_ATTESTATION_IAK */
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#ifdef __cplusplus
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}
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#endif
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#endif /* WOLFBOOT_DICE_H */
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