pkcs7_sign_generate.c File Reference

PKCS #7 signature generation. More...

#include "core/crypto.h"
#include "pkcs7/pkcs7_format.h"
#include "pkcs7/pkcs7_sign_generate.h"
#include "encoding/oid.h"
#include "debug.h"

Go to the source code of this file.

Macros
#define	TRACE_LEVEL   CRYPTO_TRACE_LEVEL

Functions
error_t	pkcs7GenerateSignedData (const PrngAlgo *prngAlgo, void *prngContext, const uint8_t *content, size_t contentLen, const X509CertInfo *signerCertInfo, const Pkcs7AuthenticatedAttributes *authenticatedAttributes, const Pkcs7UnauthenticatedAttributes *unauthenticatedAttributes, const X509SignAlgoId *signatureAlgo, const void *signerPrivateKey, uint8_t *output, size_t *written)
	Generate signed-data content. More...
error_t	pkcs7GenerateSignature (const PrngAlgo *prngAlgo, void *prngContext, const uint8_t *digest, const Pkcs7SignerInfo *signerInfo, const void *privateKey, uint8_t *output, size_t *written)
	Signature generation. More...
error_t	pkcs7GenerateRsaSignature (const uint8_t *digest, const Pkcs7SignerInfo *signerInfo, const RsaPrivateKey *privateKey, uint8_t *output, size_t *written)
	RSA signature generation. More...

Detailed Description

PKCS #7 signature generation.

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

2.5.2

Definition in file pkcs7_sign_generate.c.

Macro Definition Documentation

TRACE_LEVEL

#define TRACE_LEVEL   CRYPTO_TRACE_LEVEL

Definition at line 32 of file pkcs7_sign_generate.c.

Function Documentation

pkcs7GenerateRsaSignature()

error_t pkcs7GenerateRsaSignature	(	const uint8_t *	digest,
		const Pkcs7SignerInfo *	signerInfo,
		const RsaPrivateKey *	privateKey,
		uint8_t *	output,
		size_t *	written
	)

RSA signature generation.

Parameters

[in]	digest	Message digest
[in]	signerInfo	Pointer to the signer information
[in]	privateKey	Signer's private key
[out]	output	Resulting signature
[out]	written	Length of the resulting signature

Returns

Error code

Definition at line 215 of file pkcs7_sign_generate.c.

pkcs7GenerateSignature()

error_t pkcs7GenerateSignature	(	const PrngAlgo *	prngAlgo,
		void *	prngContext,
		const uint8_t *	digest,
		const Pkcs7SignerInfo *	signerInfo,
		const void *	privateKey,
		uint8_t *	output,
		size_t *	written
	)

Signature generation.

Parameters

[in]	prngAlgo	PRNG algorithm
[in]	prngContext	Pointer to the PRNG context
[in]	digest	Message digest
[in]	signerInfo	Pointer to the signer information
[in]	privateKey	Signer's private key
[out]	output	Resulting signature
[out]	written	Length of the resulting signature

Returns

Error code

Definition at line 167 of file pkcs7_sign_generate.c.

pkcs7GenerateSignedData()

error_t pkcs7GenerateSignedData	(	const PrngAlgo *	prngAlgo,
		void *	prngContext,
		const uint8_t *	content,
		size_t	contentLen,
		const X509CertInfo *	signerCertInfo,
		const Pkcs7AuthenticatedAttributes *	authenticatedAttributes,
		const Pkcs7UnauthenticatedAttributes *	unauthenticatedAttributes,
		const X509SignAlgoId *	signatureAlgo,
		const void *	signerPrivateKey,
		uint8_t *	output,
		size_t *	written
	)

Generate signed-data content.

Parameters

[in]	prngAlgo	PRNG algorithm
[in]	prngContext	Pointer to the PRNG context
[in]	content	Pointer to the message to be signed
[in]	contentLen	Length of the message, in bytes
[in]	signerCertInfo	Signer's certificate
[in]	authenticatedAttributes	Collection of attributes that are signed
[in]	unauthenticatedAttributes	Collection of attributes that are not signed
[in]	signatureAlgo	Signature algorithm
[in]	signerPrivateKey	Pointer to the signer's private key
[out]	output	Buffer where to format the ASN.1 structure
[out]	written	Length of the resulting ASN.1 structure

Returns

Error code

Definition at line 61 of file pkcs7_sign_generate.c.