stm32u3xx_crypto_pkc.c File Reference

STM32U3 public-key hardware accelerator (PKA) More...

#include "stm32u3xx.h"
#include "stm32u3xx_hal.h"
#include "core/crypto.h"
#include "hardware/stm32u3xx/stm32u3xx_crypto.h"
#include "hardware/stm32u3xx/stm32u3xx_crypto_pkc.h"
#include "pkc/rsa.h"
#include "ecc/ec.h"
#include "ecc/ec_misc.h"
#include "ecc/ecdsa.h"
#include "debug.h"

Go to the source code of this file.

Macros
#define	TRACE_LEVEL   CRYPTO_TRACE_LEVEL

Functions
error_t	pkaInit (void)
	PKA module initialization. More...
void	pkaImportArray (const uint8_t *src, size_t srcLen, uint_t destLen, uint_t offset)
	Import byte array. More...
void	pkaImportScalar (const uint32_t *src, uint_t length, uint_t offset)
	Import scalar. More...
void	pkaImportMpi (const Mpi *src, uint_t length, uint_t offset)
	Import multiple-precision integer. More...
void	pkaExportScalar (uint32_t *dest, uint_t length, uint_t offset)
	Export scalar. More...
error_t	pkaExportMpi (Mpi *dest, uint_t length, uint_t offset)
	Export multiple-precision integer. More...

Detailed Description

STM32U3 public-key hardware accelerator (PKA)

License

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

Copyright (C) 2010-2025 Oryx Embedded SARL. All rights reserved.

This file is part of CycloneCRYPTO 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

2.5.4

Definition in file stm32u3xx_crypto_pkc.c.

Macro Definition Documentation

TRACE_LEVEL

#define TRACE_LEVEL   CRYPTO_TRACE_LEVEL

Definition at line 32 of file stm32u3xx_crypto_pkc.c.

Function Documentation

pkaExportMpi()

error_t pkaExportMpi	(	Mpi *	dest,
		uint_t	length,
		uint_t	offset
	)

Export multiple-precision integer.

Parameters

[out]	dest	Pointer to the multiple-precision integer
[in]	length	Length of the operand, in bits
[in]	offset	PKA ram offset

Returns

Error code

Definition at line 239 of file stm32u3xx_crypto_pkc.c.

pkaExportScalar()

void pkaExportScalar	(	uint32_t *	dest,
		uint_t	length,
		uint_t	offset
	)

Export scalar.

Parameters

[out]	dest	Pointer to the scalar
[in]	length	Length of the operand, in bits
[in]	offset	PKA ram offset

Definition at line 216 of file stm32u3xx_crypto_pkc.c.

pkaImportArray()

void pkaImportArray	(	const uint8_t *	src,
		size_t	srcLen,
		uint_t	destLen,
		uint_t	offset
	)

Import byte array.

Parameters

[in]	src	Pointer to the byte array
[in]	srcLen	Length of the array to be copied, in bytes
[in]	destLen	Length of the operand, in bits
[in]	offset	PKA ram offset

Definition at line 85 of file stm32u3xx_crypto_pkc.c.

pkaImportMpi()

void pkaImportMpi	(	const Mpi *	src,
		uint_t	length,
		uint_t	offset
	)

Import multiple-precision integer.

Parameters

[in]	src	Pointer to the multiple-precision integer
[in]	length	Length of the operand, in bits
[in]	offset	PKA ram offset

Definition at line 180 of file stm32u3xx_crypto_pkc.c.

pkaImportScalar()

void pkaImportScalar	(	const uint32_t *	src,
		uint_t	length,
		uint_t	offset
	)

Import scalar.

Parameters

[in]	src	Pointer to the scalar
[in]	length	Length of the operand, in bits
[in]	offset	PKA ram offset

Definition at line 147 of file stm32u3xx_crypto_pkc.c.

pkaInit()

error_t pkaInit

(

void

)

PKA module initialization.

Returns

Error code

Definition at line 55 of file stm32u3xx_crypto_pkc.c.