eddsa.c File Reference

EdDSA (Edwards-Curve Digital Signature Algorithm) More...

#include "core/crypto.h"
#include "ecc/eddsa.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	eddsaInitPublicKey (EddsaPublicKey *key)
	Initialize an EdDSA public key. More...
void	eddsaFreePublicKey (EddsaPublicKey *key)
	Release an EdDSA public key. More...
void	eddsaInitPrivateKey (EddsaPrivateKey *key)
	Initialize an EdDSA private key. More...
void	eddsaFreePrivateKey (EddsaPrivateKey *key)
	Release an EdDSA private key. More...
error_t	eddsaGenerateKeyPair (const PrngAlgo *prngAlgo, void *prngContext, const EcCurveInfo *curveInfo, EddsaPrivateKey *privateKey, EddsaPublicKey *publicKey)
	EdDSA key pair generation. More...
error_t	eddsaGeneratePrivateKey (const PrngAlgo *prngAlgo, void *prngContext, const EcCurveInfo *curveInfo, EddsaPrivateKey *privateKey)
	EdDSA private key generation. More...
error_t	eddsaGeneratePublicKey (const EcCurveInfo *curveInfo, const EddsaPrivateKey *privateKey, EddsaPublicKey *publicKey)
	Derive the public key from an EdDSA private key. More...

Detailed Description

EdDSA (Edwards-Curve Digital Signature Algorithm)

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

2.4.4

Definition in file eddsa.c.

Macro Definition Documentation

TRACE_LEVEL

#define TRACE_LEVEL   CRYPTO_TRACE_LEVEL

Definition at line 32 of file eddsa.c.

Function Documentation

eddsaFreePrivateKey()

void eddsaFreePrivateKey

(

EddsaPrivateKey *

key

)

Release an EdDSA private key.

Parameters

[in]

key

Pointer to the EdDSA public key to free

Definition at line 89 of file eddsa.c.

eddsaFreePublicKey()

void eddsaFreePublicKey

(

EddsaPublicKey *

key

)

Release an EdDSA public key.

Parameters

[in]

key

Pointer to the EdDSA public key to free

Definition at line 61 of file eddsa.c.

eddsaGenerateKeyPair()

error_t eddsaGenerateKeyPair	(	const PrngAlgo *	prngAlgo,
		void *	prngContext,
		const EcCurveInfo *	curveInfo,
		EddsaPrivateKey *	privateKey,
		EddsaPublicKey *	publicKey
	)

EdDSA key pair generation.

Parameters

[in]	prngAlgo	PRNG algorithm
[in]	prngContext	Pointer to the PRNG context
[in]	curveInfo	Elliptic curve parameters
[out]	privateKey	EdDSA private key
[out]	publicKey	EdDSA public key

Returns

Error code

Definition at line 107 of file eddsa.c.

eddsaGeneratePrivateKey()

error_t eddsaGeneratePrivateKey	(	const PrngAlgo *	prngAlgo,
		void *	prngContext,
		const EcCurveInfo *	curveInfo,
		EddsaPrivateKey *	privateKey
	)

EdDSA private key generation.

Parameters

[in]	prngAlgo	PRNG algorithm
[in]	prngContext	Pointer to the PRNG context
[in]	curveInfo	Elliptic curve parameters
[out]	privateKey	EdDSA private key

Returns

Error code

Definition at line 138 of file eddsa.c.

eddsaGeneratePublicKey()

error_t eddsaGeneratePublicKey	(	const EcCurveInfo *	curveInfo,
		const EddsaPrivateKey *	privateKey,
		EddsaPublicKey *	publicKey
	)

Derive the public key from an EdDSA private key.

Parameters

[in]	curveInfo	Elliptic curve parameters
[in]	privateKey	EdDSA private key
[out]	publicKey	EdDSA public key

Returns

Error code

Definition at line 200 of file eddsa.c.

eddsaInitPrivateKey()

void eddsaInitPrivateKey

(

EddsaPrivateKey *

key

)

Initialize an EdDSA private key.

Parameters

[in]

key

Pointer to the EdDSA private key to initialize

Definition at line 73 of file eddsa.c.

eddsaInitPublicKey()

void eddsaInitPublicKey

(

EddsaPublicKey *

key

)

Initialize an EdDSA public key.

Parameters

[in]

key

Pointer to the EdDSA public key to initialize

Definition at line 49 of file eddsa.c.