esp32_c3_crypto_pkc.c File Reference

ESP32-C3 public-key hardware accelerator. More...

#include "esp_crypto_lock.h"
#include "soc/system_reg.h"
#include "soc/hwcrypto_reg.h"
#include "esp_private/periph_ctrl.h"
#include "hardware/esp32_c3/esp32_c3_crypto.h"
#include "hardware/esp32_c3/esp32_c3_crypto_pkc.h"
#include "pkc/rsa.h"
#include "ecc/curve25519.h"
#include "ecc/curve448.h"
#include "debug.h"

Go to the source code of this file.

Macros

#define TRACE_LEVEL   CRYPTO_TRACE_LEVEL
 

Functions

void esp32c3RsaInit (void)
 RSA module initialization. More...
 
error_t mpiMul (Mpi *r, const Mpi *a, const Mpi *b)
 Multiple precision multiplication. More...
 
error_t mpiExpMod (Mpi *r, const Mpi *a, const Mpi *e, const Mpi *p)
 Modular exponentiation. More...
 
void curve25519Mul (uint32_t *r, const uint32_t *a, const uint32_t *b)
 Modular multiplication. More...
 
void curve448Mul (uint32_t *r, const uint32_t *a, const uint32_t *b)
 Modular multiplication. More...
 

Detailed Description

ESP32-C3 public-key hardware accelerator.

License

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

Copyright (C) 2010-2024 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
2.4.0

Definition in file esp32_c3_crypto_pkc.c.

Macro Definition Documentation

◆ TRACE_LEVEL

#define TRACE_LEVEL   CRYPTO_TRACE_LEVEL

Definition at line 32 of file esp32_c3_crypto_pkc.c.

Function Documentation

◆ curve25519Mul()

void curve25519Mul ( uint32_t *  r,
const uint32_t *  a,
const uint32_t *  b 
)

Modular multiplication.

Parameters
[out]rResulting integer R = (A * B) mod p
[in]aAn integer such as 0 <= A < p
[in]bAn integer such as 0 <= B < p

Definition at line 383 of file esp32_c3_crypto_pkc.c.

◆ curve448Mul()

void curve448Mul ( uint32_t *  r,
const uint32_t *  a,
const uint32_t *  b 
)

Modular multiplication.

Parameters
[out]rResulting integer R = (A * B) mod p
[in]aAn integer such as 0 <= A < p
[in]bAn integer such as 0 <= B < p

Definition at line 460 of file esp32_c3_crypto_pkc.c.

◆ esp32c3RsaInit()

void esp32c3RsaInit ( void  )

RSA module initialization.

Definition at line 54 of file esp32_c3_crypto_pkc.c.

◆ mpiExpMod()

error_t mpiExpMod ( Mpi r,
const Mpi a,
const Mpi e,
const Mpi p 
)

Modular exponentiation.

Parameters
[out]rResulting integer R = A ^ E mod P
[in]aPointer to a multiple precision integer
[in]eExponent
[in]pModulus
Returns
Error code

Definition at line 199 of file esp32_c3_crypto_pkc.c.

◆ mpiMul()

error_t mpiMul ( Mpi r,
const Mpi a,
const Mpi b 
)

Multiple precision multiplication.

Parameters
[out]rResulting integer R = A * B
[in]aFirst operand A
[in]bSecond operand B
Returns
Error code

Definition at line 79 of file esp32_c3_crypto_pkc.c.