max32690_crypto_pkc.c File Reference

MAX32690 public-key hardware accelerator. More...

#include "mxc_device.h"
#include "mxc_sys.h"
#include "ctb.h"
#include "core/crypto.h"
#include "hardware/max32690/max32690_crypto.h"
#include "hardware/max32690/max32690_crypto_pkc.h"
#include "ecc/ec.h"
#include "ecc/ec_misc.h"
#include "ecc/curve25519.h"
#include "ecc/curve448.h"
#include "mpi/mpi.h"
#include "debug.h"

Go to the source code of this file.

Macros

#define TRACE_LEVEL   CRYPTO_TRACE_LEVEL
 

Functions

void maaSetValue (uint_t offset, uint32_t value, uint_t length)
 Set operand value. More...
 
void maaImportScalar (uint_t offset, const uint32_t *src, uint_t length)
 Import scalar. More...
 
void maaImportMpi (uint_t offset, const Mpi *src, uint_t length)
 Import multiple-precision integer. More...
 
void maaExportScalar (uint_t offset, uint32_t *dest, uint_t length)
 Export scalar. More...
 
error_t maaExportMpi (uint_t offset, Mpi *dest, uint_t length)
 Export multiple-precision integer. More...
 
error_t mpiExpModFast (Mpi *r, const Mpi *a, const Mpi *e, const Mpi *p)
 Modular exponentiation (fast calculation) More...
 
error_t mpiExpModRegular (Mpi *r, const Mpi *a, const Mpi *e, const Mpi *p)
 Modular exponentiation (regular calculation) More...
 
void ecFieldAddMod2 (const EcCurve *curve, uint32_t *r, const uint32_t *a, const uint32_t *b)
 Modular addition. More...
 
void ecFieldSubMod2 (const EcCurve *curve, uint32_t *r, const uint32_t *a, const uint32_t *b)
 Modular subtraction. More...
 
void ecFieldMulMod (const EcCurve *curve, uint32_t *r, const uint32_t *a, const uint32_t *b)
 Modular multiplication. More...
 
void ecFieldSqrMod (const EcCurve *curve, uint32_t *r, const uint32_t *a)
 Modular squaring. More...
 
void ecScalarMulMod (const EcCurve *curve, uint32_t *r, const uint32_t *a, const uint32_t *b)
 Modular multiplication. More...
 
void ecScalarSqrMod (const EcCurve *curve, uint32_t *r, const uint32_t *a)
 Modular squaring. More...
 
void curve25519Mul2 (uint32_t *r, const uint32_t *a, const uint32_t *b)
 Modular multiplication. More...
 
void curve448Mul2 (uint32_t *r, const uint32_t *a, const uint32_t *b)
 Modular multiplication. More...
 

Detailed Description

MAX32690 public-key hardware accelerator.

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
2.5.0

Definition in file max32690_crypto_pkc.c.

Macro Definition Documentation

◆ TRACE_LEVEL

#define TRACE_LEVEL   CRYPTO_TRACE_LEVEL

Definition at line 32 of file max32690_crypto_pkc.c.

Function Documentation

◆ curve25519Mul2()

void curve25519Mul2 ( 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 779 of file max32690_crypto_pkc.c.

◆ curve448Mul2()

void curve448Mul2 ( 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 872 of file max32690_crypto_pkc.c.

◆ ecFieldAddMod2()

void ecFieldAddMod2 ( const EcCurve curve,
uint32_t *  r,
const uint32_t *  a,
const uint32_t *  b 
)

Modular addition.

Parameters
[in]curveElliptic curve 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 384 of file max32690_crypto_pkc.c.

◆ ecFieldMulMod()

void ecFieldMulMod ( const EcCurve curve,
uint32_t *  r,
const uint32_t *  a,
const uint32_t *  b 
)

Modular multiplication.

Parameters
[in]curveElliptic curve 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 508 of file max32690_crypto_pkc.c.

◆ ecFieldSqrMod()

void ecFieldSqrMod ( const EcCurve curve,
uint32_t *  r,
const uint32_t *  a 
)

Modular squaring.

Parameters
[in]curveElliptic curve parameters
[out]rResulting integer R = A^2 mod p
[in]aAn integer such as 0 <= A < p

Definition at line 584 of file max32690_crypto_pkc.c.

◆ ecFieldSubMod2()

void ecFieldSubMod2 ( const EcCurve curve,
uint32_t *  r,
const uint32_t *  a,
const uint32_t *  b 
)

Modular subtraction.

Parameters
[in]curveElliptic curve 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 446 of file max32690_crypto_pkc.c.

◆ ecScalarMulMod()

void ecScalarMulMod ( const EcCurve curve,
uint32_t *  r,
const uint32_t *  a,
const uint32_t *  b 
)

Modular multiplication.

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

Definition at line 658 of file max32690_crypto_pkc.c.

◆ ecScalarSqrMod()

void ecScalarSqrMod ( const EcCurve curve,
uint32_t *  r,
const uint32_t *  a 
)

Modular squaring.

Parameters
[in]curveElliptic curve parameters
[out]rResulting integer R = A^2 mod q
[in]aAn integer such as 0 <= A < q

Definition at line 719 of file max32690_crypto_pkc.c.

◆ maaExportMpi()

error_t maaExportMpi ( uint_t  offset,
Mpi dest,
uint_t  length 
)

Export multiple-precision integer.

Parameters
[in]offsetMAA memory offset
[out]destPointer to the multiple-precision integer
[in]lengthLength of the operand, in bits
Returns
Error code

Definition at line 179 of file max32690_crypto_pkc.c.

◆ maaExportScalar()

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

Export scalar.

Parameters
[in]offsetMAA memory offset
[out]destPointer to the scalar
[in]lengthLength of the operand, in bits

Definition at line 152 of file max32690_crypto_pkc.c.

◆ maaImportMpi()

void maaImportMpi ( uint_t  offset,
const Mpi src,
uint_t  length 
)

Import multiple-precision integer.

Parameters
[in]offsetMAA memory offset
[in]srcPointer to the multiple-precision integer
[in]lengthLength of the operand, in bits

Definition at line 120 of file max32690_crypto_pkc.c.

◆ maaImportScalar()

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

Import scalar.

Parameters
[in]offsetMAA memory offset
[in]srcPointer to the scalar
[in]lengthLength of the operand, in bits

Definition at line 88 of file max32690_crypto_pkc.c.

◆ maaSetValue()

void maaSetValue ( uint_t  offset,
uint32_t  value,
uint_t  length 
)

Set operand value.

Parameters
[in]offsetMAA memory offset
[in]valueValue of the operand
[in]lengthLength of the operand, in bits

Definition at line 59 of file max32690_crypto_pkc.c.

◆ mpiExpModFast()

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

Modular exponentiation (fast calculation)

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 229 of file max32690_crypto_pkc.c.

◆ mpiExpModRegular()

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

Modular exponentiation (regular calculation)

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 306 of file max32690_crypto_pkc.c.