mcxn947_crypto_pkc.c File Reference

NXP MCX N947 public-key hardware accelerator (PKA) More...

#include <mcuxClToolchain.h>
#include <mcuxClEls.h>
#include <mcuxClEcc.h>
#include <mcuxClRsa.h>
#include <internal/mcuxClRsa_Internal_Functions.h>
#include "core/crypto.h"
#include "hardware/mcxn947/mcxn947_crypto.h"
#include "hardware/mcxn947/mcxn947_crypto_pkc.h"
#include "pkc/rsa.h"
#include "ecc/ec.h"
#include "ecc/ec_misc.h"
#include "ecc/ecdsa.h"
#include "ecc/x25519.h"
#include "ecc/x448.h"
#include "ecc/ed25519.h"
#include "debug.h"

Go to the source code of this file.

Macros

#define TRACE_LEVEL   CRYPTO_TRACE_LEVEL
 

Functions

error_t mpiExpModRegular (Mpi *r, const Mpi *a, const Mpi *e, const Mpi *p)
 Modular exponentiation (regular calculation) More...
 
error_t rsaep (const RsaPublicKey *key, const Mpi *m, Mpi *c)
 RSA encryption primitive. More...
 
error_t rsadp (const RsaPrivateKey *key, const Mpi *c, Mpi *m)
 RSA decryption primitive. More...
 
error_t ecMulFast (const EcCurve *curve, EcPoint3 *r, const uint32_t *d, const EcPoint3 *s)
 Scalar multiplication (fast calculation) More...
 
error_t ecMulRegular (const EcCurve *curve, EcPoint3 *r, const uint32_t *d, const EcPoint3 *s)
 Scalar multiplication (regular calculation) More...
 
error_t ecTwinMul (const EcCurve *curve, EcPoint3 *r, const uint32_t *d0, const EcPoint3 *s, const uint32_t *d1, const EcPoint3 *t)
 Twin multiplication. More...
 
error_t ecdsaGenerateSignature (const PrngAlgo *prngAlgo, void *prngContext, const EcPrivateKey *privateKey, const uint8_t *digest, size_t digestLen, EcdsaSignature *signature)
 ECDSA signature generation. More...
 
error_t ecdsaVerifySignature (const EcPublicKey *publicKey, const uint8_t *digest, size_t digestLen, const EcdsaSignature *signature)
 ECDSA signature verification. More...
 
error_t x25519 (uint8_t *r, const uint8_t *k, const uint8_t *u)
 X25519 function (scalar multiplication on Curve25519) More...
 
error_t x448 (uint8_t *r, const uint8_t *k, const uint8_t *u)
 X448 function (scalar multiplication on Curve448) More...
 
error_t ed25519GenerateSignature (const uint8_t *privateKey, const uint8_t *publicKey, const void *message, size_t messageLen, const void *context, uint8_t contextLen, uint8_t flag, uint8_t *signature)
 EdDSA signature generation. More...
 
error_t ed25519VerifySignature (const uint8_t *publicKey, const void *message, size_t messageLen, const void *context, uint8_t contextLen, uint8_t flag, const uint8_t *signature)
 EdDSA signature verification. More...
 

Variables

ALIGNED ElsRsaArgs elsRsaArgs
 
ALIGNED ElsEccArgs elsEccArgs
 
ALIGNED ElsEcdsaArgs elsEcdsaArgs
 
ALIGNED ElsMontDhArgs elsMontDhArgs
 
ALIGNED ElsEddsaArgs elsEddsaArgs
 

Detailed Description

NXP MCX N947 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 mcxn947_crypto_pkc.c.

Macro Definition Documentation

◆ TRACE_LEVEL

#define TRACE_LEVEL   CRYPTO_TRACE_LEVEL

Definition at line 32 of file mcxn947_crypto_pkc.c.

Function Documentation

◆ ecdsaGenerateSignature()

error_t ecdsaGenerateSignature ( const PrngAlgo prngAlgo,
void *  prngContext,
const EcPrivateKey privateKey,
const uint8_t *  digest,
size_t  digestLen,
EcdsaSignature signature 
)

ECDSA signature generation.

Parameters
[in]prngAlgoPRNG algorithm
[in]prngContextPointer to the PRNG context
[in]privateKeySigner's EC private key
[in]digestDigest of the message to be signed
[in]digestLenLength in octets of the digest
[out]signature(R, S) integer pair
Returns
Error code

Definition at line 724 of file mcxn947_crypto_pkc.c.

◆ ecdsaVerifySignature()

error_t ecdsaVerifySignature ( const EcPublicKey publicKey,
const uint8_t *  digest,
size_t  digestLen,
const EcdsaSignature signature 
)

ECDSA signature verification.

Parameters
[in]publicKeySigner's EC public key
[in]digestDigest of the message whose signature is to be verified
[in]digestLenLength in octets of the digest
[in]signature(R, S) integer pair
Returns
Error code

Definition at line 852 of file mcxn947_crypto_pkc.c.

◆ ecMulFast()

error_t ecMulFast ( const EcCurve curve,
EcPoint3 r,
const uint32_t *  d,
const EcPoint3 s 
)

Scalar multiplication (fast calculation)

Parameters
[in]curveElliptic curve parameters
[out]rResulting point R = d.S
[in]dAn integer d such as 0 <= d < p
[in]sEC point
Returns
Error code

Definition at line 522 of file mcxn947_crypto_pkc.c.

◆ ecMulRegular()

error_t ecMulRegular ( const EcCurve curve,
EcPoint3 r,
const uint32_t *  d,
const EcPoint3 s 
)

Scalar multiplication (regular calculation)

Parameters
[in]curveElliptic curve parameters
[out]rResulting point R = d.S
[in]dAn integer d such as 0 <= d < q
[in]sEC point
Returns
Error code

Definition at line 539 of file mcxn947_crypto_pkc.c.

◆ ecTwinMul()

error_t ecTwinMul ( const EcCurve curve,
EcPoint3 r,
const uint32_t *  d0,
const EcPoint3 s,
const uint32_t *  d1,
const EcPoint3 t 
)

Twin multiplication.

Parameters
[in]curveElliptic curve parameters
[out]rResulting point R = d0.S + d1.T
[in]d0An integer d such as 0 <= d0 < p
[in]sEC point
[in]d1An integer d such as 0 <= d1 < p
[in]tEC point
Returns
Error code

Definition at line 665 of file mcxn947_crypto_pkc.c.

◆ ed25519GenerateSignature()

error_t ed25519GenerateSignature ( const uint8_t *  privateKey,
const uint8_t *  publicKey,
const void *  message,
size_t  messageLen,
const void *  context,
uint8_t  contextLen,
uint8_t  flag,
uint8_t *  signature 
)

EdDSA signature generation.

Parameters
[in]privateKeySigner's EdDSA private key (32 bytes)
[in]publicKeySigner's EdDSA public key (32 bytes)
[in]messagePointer to the message to be signed
[in]messageLenLength of the message, in bytes
[in]contextConstant string specified by the protocol using it
[in]contextLenLength of the context, in bytes
[in]flagPrehash flag for Ed25519ph scheme
[out]signatureEdDSA signature (64 bytes)
Returns
Error code

Definition at line 1214 of file mcxn947_crypto_pkc.c.

◆ ed25519VerifySignature()

error_t ed25519VerifySignature ( const uint8_t *  publicKey,
const void *  message,
size_t  messageLen,
const void *  context,
uint8_t  contextLen,
uint8_t  flag,
const uint8_t *  signature 
)

EdDSA signature verification.

Parameters
[in]publicKeySigner's EdDSA public key (32 bytes)
[in]messageMessage whose signature is to be verified
[in]messageLenLength of the message, in bytes
[in]contextConstant string specified by the protocol using it
[in]contextLenLength of the context, in bytes
[in]flagPrehash flag for Ed25519ph scheme
[in]signatureEdDSA signature (64 bytes)
Returns
Error code

Definition at line 1389 of file mcxn947_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 169 of file mcxn947_crypto_pkc.c.

◆ rsadp()

error_t rsadp ( const RsaPrivateKey key,
const Mpi c,
Mpi m 
)

RSA decryption primitive.

The RSA decryption primitive recovers the message representative from the ciphertext representative under the control of a private key

Parameters
[in]keyRSA private key
[in]cCiphertext representative
[out]mMessage representative
Returns
Error code

Definition at line 369 of file mcxn947_crypto_pkc.c.

◆ rsaep()

error_t rsaep ( const RsaPublicKey key,
const Mpi m,
Mpi c 
)

RSA encryption primitive.

The RSA encryption primitive produces a ciphertext representative from a message representative under the control of a public key

Parameters
[in]keyRSA public key
[in]mMessage representative
[out]cCiphertext representative
Returns
Error code

Definition at line 268 of file mcxn947_crypto_pkc.c.

◆ x25519()

error_t x25519 ( uint8_t *  r,
const uint8_t *  k,
const uint8_t *  u 
)

X25519 function (scalar multiplication on Curve25519)

Parameters
[out]rOutput u-coordinate
[in]kInput scalar
[in]uInput u-coordinate
Returns
Error code

Definition at line 1025 of file mcxn947_crypto_pkc.c.

◆ x448()

error_t x448 ( uint8_t *  r,
const uint8_t *  k,
const uint8_t *  u 
)

X448 function (scalar multiplication on Curve448)

Parameters
[out]rOutput u-coordinate
[in]kInput scalar
[in]uInput u-coordinate
Returns
Error code

Definition at line 1117 of file mcxn947_crypto_pkc.c.

Variable Documentation

◆ elsEccArgs

ALIGNED ElsEccArgs elsEccArgs

Definition at line 57 of file mcxn947_crypto_pkc.c.

◆ elsEcdsaArgs

ALIGNED ElsEcdsaArgs elsEcdsaArgs

Definition at line 58 of file mcxn947_crypto_pkc.c.

◆ elsEddsaArgs

ALIGNED ElsEddsaArgs elsEddsaArgs

Definition at line 60 of file mcxn947_crypto_pkc.c.

◆ elsMontDhArgs

ALIGNED ElsMontDhArgs elsMontDhArgs

Definition at line 59 of file mcxn947_crypto_pkc.c.

◆ elsRsaArgs

ALIGNED ElsRsaArgs elsRsaArgs

Definition at line 56 of file mcxn947_crypto_pkc.c.