pkcs7_sign_verify.c File Reference

PKCS #7 signature verification. More...

#include "core/crypto.h"
#include "pkcs7/pkcs7_parse.h"
#include "pkcs7/pkcs7_sign_verify.h"
#include "hash/hash_algorithms.h"
#include "pkix/x509_key_parse.h"
#include "encoding/asn1.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	pkcs7VerifySignedData (const Pkcs7SignedData *signedData, const Pkcs7SignerInfo *signerInfo, const X509CertInfo *signerCertInfo)
	Verify signature over signed-data content. More...
error_t	pkcs7VerifySignature (const uint8_t *digest, const Pkcs7SignerInfo *signerInfo, const X509SubjectPublicKeyInfo *publicKeyInfo, const X509OctetString *signature)
	Signature verification. More...
error_t	pkcs7VerifyRsaSignature (const uint8_t *digest, const Pkcs7SignerInfo *signerInfo, const X509SubjectPublicKeyInfo *publicKeyInfo, const X509OctetString *signature)
	RSA signature verification. More...
error_t	pkcs7FindSigner (const Pkcs7SignerInfos *signerInfos, const X509CertInfo *signerCertInfo, Pkcs7SignerInfo *signerInfo)
	Search a list of per-signer informations for a given signer. More...

Detailed Description

PKCS #7 signature verification.

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_verify.c.

Macro Definition Documentation

TRACE_LEVEL

#define TRACE_LEVEL   CRYPTO_TRACE_LEVEL

Definition at line 32 of file pkcs7_sign_verify.c.

Function Documentation

pkcs7FindSigner()

error_t pkcs7FindSigner	(	const Pkcs7SignerInfos *	signerInfos,
		const X509CertInfo *	signerCertInfo,
		Pkcs7SignerInfo *	signerInfo
	)

Search a list of per-signer informations for a given signer.

Parameters

[in]	signerInfos	Pointer to the collection of per-signer information
[in]	signerCertInfo	Signer's certificate
[out]	signerInfo	Pointer to the matching SignerInfo structure, if any

Returns

Error code

Definition at line 268 of file pkcs7_sign_verify.c.

pkcs7VerifyRsaSignature()

error_t pkcs7VerifyRsaSignature	(	const uint8_t *	digest,
		const Pkcs7SignerInfo *	signerInfo,
		const X509SubjectPublicKeyInfo *	publicKeyInfo,
		const X509OctetString *	signature
	)

RSA signature verification.

Parameters

[in]	digest	Message digest
[in]	signerInfo	Pointer to the signer information
[in]	publicKeyInfo	Signer's public key
[in]	signature	Signature to be verified

Returns

Error code

Definition at line 193 of file pkcs7_sign_verify.c.

pkcs7VerifySignature()

error_t pkcs7VerifySignature	(	const uint8_t *	digest,
		const Pkcs7SignerInfo *	signerInfo,
		const X509SubjectPublicKeyInfo *	publicKeyInfo,
		const X509OctetString *	signature
	)

Signature verification.

Parameters

[in]	digest	Message digest
[in]	signerInfo	Pointer to the signer information
[in]	publicKeyInfo	Signer's public key
[in]	signature	Signature to be verified

Returns

Error code

Definition at line 145 of file pkcs7_sign_verify.c.

pkcs7VerifySignedData()

error_t pkcs7VerifySignedData	(	const Pkcs7SignedData *	signedData,
		const Pkcs7SignerInfo *	signerInfo,
		const X509CertInfo *	signerCertInfo
	)

Verify signature over signed-data content.

Parameters

[in]	signedData	Pointer to the signed-data content
[in]	signerInfo	Pointer to the signer information
[in]	signerCertInfo	Signer's certificate

Returns

Error code

Definition at line 56 of file pkcs7_sign_verify.c.