CycloneBOOT 2.6.6
Secure Bootloader for ARM Cortex-M MCU
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Macros | Functions
verify_auth.c File Reference

CycloneBOOT Image data authentication module. More...

#include "security/verify_auth.h"

Macros

#define TRACE_LEVEL   CBOOT_TRACE_LEVEL
 

Functions

cboot_error_t authInit (VerifyContext *context)
 Initialize authentification material for further authentification tag computation on received firmware data and verification against received image authentification tag.
 
cboot_error_t authUpdateTag (VerifyContext *context, const uint8_t *data, size_t length)
 Update authentification tag computation on received firmware data bloc.
 
cboot_error_t authFinalizeTag (VerifyContext *context)
 Finalize authentification tag computation on received firmware data.
 

Detailed Description

CycloneBOOT Image data authentication module.

License

SPDX-License-Identifier: GPL-2.0-or-later

Copyright (C) 2021-2026 Oryx Embedded SARL. All rights reserved.

This file is part of CycloneBOOT Open.

This program 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 2 of the License, or (at your option) any later version.

This program 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 02110-1301, USA.

Author
Oryx Embedded SARL (www.oryx-embedded.com)
Version
2.6.6

Function Documentation

◆ authFinalizeTag()

cboot_error_t authFinalizeTag ( VerifyContext *  context)

Finalize authentification tag computation on received firmware data.

Parameters
[in,out]contextPointer to the verification context
Returns
Error code

◆ authInit()

cboot_error_t authInit ( VerifyContext *  context)

Initialize authentification material for further authentification tag computation on received firmware data and verification against received image authentification tag.

Parameters
[in]contextPointer to the verification context
Returns
Error code

◆ authUpdateTag()

cboot_error_t authUpdateTag ( VerifyContext *  context,
const uint8_t *  data,
size_t  length 
)

Update authentification tag computation on received firmware data bloc.

Parameters
[in,out]contextPointer to the verification context
[in]dataFirmware data bloc to process.
[in]lengthLength of the firmware data bloc to process.
Returns
Error code