tls_sign_verify.c File Reference

RSA/DSA/ECDSA/EdDSA signature verification. More...

#include "tls.h"
#include "tls_sign_verify.h"
#include "tls_sign_misc.h"
#include "tls_transcript_hash.h"
#include "tls_misc.h"
#include "pkc/rsa.h"
#include "pkc/dsa.h"
#include "ecc/ecdsa.h"
#include "ecc/eddsa.h"
#include "debug.h"

Go to the source code of this file.

Macros
#define	TRACE_LEVEL   TLS_TRACE_LEVEL

Functions
error_t	tlsVerifySignature (TlsContext *context, const uint8_t *p, size_t length)
	Digital signature verification (TLS 1.0 and TLS 1.1) More...
error_t	tls12VerifySignature (TlsContext *context, const uint8_t *p, size_t length)
	Digital signature verification (TLS 1.2) More...
error_t	tlsVerifyRsaSignature (const RsaPublicKey *key, const uint8_t *digest, const uint8_t *signature, size_t signatureLen)
	Verify RSA signature (TLS 1.0 and TLS 1.1) More...
error_t	tlsVerifyRsaEm (const uint8_t *digest, const uint8_t *em, size_t emLen)
	Verify RSA encoded message. More...
error_t	tlsVerifyDsaSignature (TlsContext *context, const uint8_t *digest, size_t digestLen, const uint8_t *signature, size_t signatureLen)
	Verify DSA signature. More...
error_t	tlsVerifyEcdsaSignature (TlsContext *context, const uint8_t *digest, size_t digestLen, const uint8_t *signature, size_t signatureLen)
	Verify ECDSA signature. More...
error_t	tlsVerifyEd25519Signature (TlsContext *context, const EddsaMessageChunk *messageChunks, const uint8_t *signature, size_t signatureLen)
	Verify Ed25519 signature. More...
error_t	tlsVerifyEd448Signature (TlsContext *context, const EddsaMessageChunk *messageChunks, const uint8_t *signature, size_t signatureLen)
	Verify Ed448 signature. More...

Detailed Description

RSA/DSA/ECDSA/EdDSA signature verification.

License

SPDX-License-Identifier: GPL-2.0-or-later

Copyright (C) 2010-2024 Oryx Embedded SARL. All rights reserved.

This file is part of CycloneSSL 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

2.4.0

Definition in file tls_sign_verify.c.

Macro Definition Documentation

TRACE_LEVEL

#define TRACE_LEVEL   TLS_TRACE_LEVEL

Definition at line 32 of file tls_sign_verify.c.

Function Documentation

tls12VerifySignature()

error_t tls12VerifySignature	(	TlsContext *	context,
		const uint8_t *	p,
		size_t	length
	)

Digital signature verification (TLS 1.2)

Parameters

[in]	context	Pointer to the TLS context
[in]	p	Pointer to the digitally-signed element to be verified
[in]	length	Length of the digitally-signed element

Returns

Error code

Definition at line 163 of file tls_sign_verify.c.

tlsVerifyDsaSignature()

error_t tlsVerifyDsaSignature	(	TlsContext *	context,
		const uint8_t *	digest,
		size_t	digestLen,
		const uint8_t *	signature,
		size_t	signatureLen
	)

Verify DSA signature.

Parameters

[in]	context	Pointer to the TLS context
[in]	digest	Digest of the message whose signature is to be verified
[in]	digestLen	Length in octets of the digest
[in]	signature	Signature to be verified
[in]	signatureLen	Length of the signature to be verified

Returns

Error code

Definition at line 501 of file tls_sign_verify.c.

tlsVerifyEcdsaSignature()

error_t tlsVerifyEcdsaSignature	(	TlsContext *	context,
		const uint8_t *	digest,
		size_t	digestLen,
		const uint8_t *	signature,
		size_t	signatureLen
	)

Verify ECDSA signature.

Parameters

[in]	context	Pointer to the TLS context
[in]	digest	Digest of the message whose signature is to be verified
[in]	digestLen	Length in octets of the digest
[in]	signature	Signature to be verified
[in]	signatureLen	Length of the signature to be verified

Returns

Error code

Definition at line 549 of file tls_sign_verify.c.

tlsVerifyEd25519Signature()

error_t tlsVerifyEd25519Signature	(	TlsContext *	context,
		const EddsaMessageChunk *	messageChunks,
		const uint8_t *	signature,
		size_t	signatureLen
	)

Verify Ed25519 signature.

Parameters

[in]	context	Pointer to the TLS context
[in]	messageChunks	Collection of chunks representing the message whose signature is to be verified
[in]	signature	Signature to be verified
[in]	signatureLen	Length of the signature to be verified

Returns

Error code

Definition at line 617 of file tls_sign_verify.c.

tlsVerifyEd448Signature()

error_t tlsVerifyEd448Signature	(	TlsContext *	context,
		const EddsaMessageChunk *	messageChunks,
		const uint8_t *	signature,
		size_t	signatureLen
	)

Verify Ed448 signature.

Parameters

[in]	context	Pointer to the TLS context
[in]	messageChunks	Collection of chunks representing the message whose signature is to be verified
[in]	signature	Signature to be verified
[in]	signatureLen	Length of the signature to be verified

Returns

Error code

Definition at line 665 of file tls_sign_verify.c.

tlsVerifyRsaEm()

error_t tlsVerifyRsaEm	(	const uint8_t *	digest,
		const uint8_t *	em,
		size_t	emLen
	)

Verify RSA encoded message.

Parameters

[in]	digest	Digest value
[in]	em	Encoded message
[in]	emLen	Length of the encoded message

Returns

Error code

Definition at line 442 of file tls_sign_verify.c.

tlsVerifyRsaSignature()

error_t tlsVerifyRsaSignature	(	const RsaPublicKey *	key,
		const uint8_t *	digest,
		const uint8_t *	signature,
		size_t	signatureLen
	)

Verify RSA signature (TLS 1.0 and TLS 1.1)

Parameters

[in]	key	Signer's RSA public key
[in]	digest	Digest of the message whose signature is to be verified
[in]	signature	Signature to be verified
[in]	signatureLen	Length of the signature to be verified

Returns

Error code

Definition at line 348 of file tls_sign_verify.c.

tlsVerifySignature()

error_t tlsVerifySignature	(	TlsContext *	context,
		const uint8_t *	p,
		size_t	length
	)

Digital signature verification (TLS 1.0 and TLS 1.1)

Parameters

[in]	context	Pointer to the TLS context
[in]	p	Pointer to the digitally-signed element to be verified
[in]	length	Length of the digitally-signed element

Returns

Error code

Definition at line 58 of file tls_sign_verify.c.