Formatting and parsing of extensions (TLS 1.3 client) More...

#include "tls.h"
#include "tls_misc.h"
#include "tls13_client_extensions.h"
#include "tls13_ticket.h"
#include "debug.h"

Macros
#define	TRACE_LEVEL TLS_TRACE_LEVEL

Functions
error_t	tls13FormatCookieExtension (TlsContext context, uint8_t p, size_t *written)
	Format Cookie extension. More...

error_t	tls13FormatClientKeyShareExtension (TlsContext context, uint8_t p, size_t *written)
	Format KeyShare extension (ClientHello message) More...

error_t	tls13FormatPskKeModesExtension (TlsContext context, uint8_t p, size_t *written)
	Format PskKeyExchangeModes extension. More...

error_t	tls13FormatClientPreSharedKeyExtension (TlsContext context, uint8_t p, size_t written, Tls13PskIdentityList identityList, Tls13PskBinderList *binderList)
	Format PreSharedKey extension. More...

error_t	tls13FormatClientEarlyDataExtension (TlsContext context, uint8_t p, size_t *written)
	Format EarlyData extension. More...

error_t	tls13ParseServerSupportedVersionsExtension (TlsContext context, const TlsExtension selectedVersion)
	Parse SupportedVersions extension. More...

error_t	tls13ParseCookieExtension (TlsContext context, const Tls13Cookie cookie)
	Parse Cookie extension. More...

error_t	tls13ParseSelectedGroupExtension (TlsContext context, const TlsExtension selectedGroup)
	Parse KeyShare extension (HelloRetryRequest message) More...

error_t	tls13ParseServerKeyShareExtension (TlsContext context, const Tls13KeyShareEntry serverShare)
	Parse KeyShare extension (ServerHello message) More...

error_t	tls13ParseServerPreSharedKeyExtension (TlsContext context, const TlsExtension selectedIdentity)
	Parse PreSharedKey extension. More...

error_t	tls13ParseServerEarlyDataExtension (TlsContext context, TlsMessageType msgType, const TlsExtension earlyDataIndication)
	Parse EarlyData extension. More...

Detailed Description

Formatting and parsing of extensions (TLS 1.3 client)

License

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

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: 2.4.4

Definition in file tls13_client_extensions.c.

Macro Definition Documentation

◆ TRACE_LEVEL

#define TRACE_LEVEL TLS_TRACE_LEVEL

Definition at line 32 of file tls13_client_extensions.c.

Function Documentation

◆ tls13FormatClientEarlyDataExtension()

error_t tls13FormatClientEarlyDataExtension	(	TlsContext *	context,
		uint8_t *	p,
		size_t *	written
	)

Format EarlyData extension.

Parameters

[in]	context	Pointer to the TLS context
[in]	p	Output stream where to write the EarlyData extension
[out]	written	Total number of bytes that have been written

Returns: Error code

Definition at line 476 of file tls13_client_extensions.c.

◆ tls13FormatClientKeyShareExtension()

error_t tls13FormatClientKeyShareExtension	(	TlsContext *	context,
		uint8_t *	p,
		size_t *	written
	)

Format KeyShare extension (ClientHello message)

Parameters

[in]	context	Pointer to the TLS context
[in]	p	Output stream where to write the KeyShare extension
[out]	written	Total number of bytes that have been written

Returns: Error code

Definition at line 108 of file tls13_client_extensions.c.

◆ tls13FormatClientPreSharedKeyExtension()

error_t tls13FormatClientPreSharedKeyExtension	(	TlsContext *	context,
		uint8_t *	p,
		size_t *	written,
		Tls13PskIdentityList **	identityList,
		Tls13PskBinderList **	binderList
	)

Format PreSharedKey extension.

Parameters

[in]	context	Pointer to the TLS context
[in]	p	Output stream where to write the PreSharedKey extension
[out]	written	Total number of bytes that have been written
[out]	identityList	Pointer to the list of the identities that the client is willing to negotiate with the server
[out]	binderList	Pointer to the list of HMAC values, one for each PSK offered in the PreSharedKey extension

Returns: Error code

Definition at line 312 of file tls13_client_extensions.c.

◆ tls13FormatCookieExtension()

error_t tls13FormatCookieExtension	(	TlsContext *	context,
		uint8_t *	p,
		size_t *	written
	)

Format Cookie extension.

Parameters

[in]	context	Pointer to the TLS context
[in]	p	Output stream where to write the Cookie extension
[out]	written	Total number of bytes that have been written

Returns: Error code

Definition at line 54 of file tls13_client_extensions.c.

◆ tls13FormatPskKeModesExtension()

error_t tls13FormatPskKeModesExtension	(	TlsContext *	context,
		uint8_t *	p,
		size_t *	written
	)

Format PskKeyExchangeModes extension.

Parameters

[in]	context	Pointer to the TLS context
[in]	p	Output stream where to write the PskKeyExchangeModes extension
[out]	written	Total number of bytes that have been written

Returns: Error code

Definition at line 250 of file tls13_client_extensions.c.

◆ tls13ParseCookieExtension()

error_t tls13ParseCookieExtension	(	TlsContext *	context,
		const Tls13Cookie *	cookie
	)

Parse Cookie extension.

Parameters

[in]	context	Pointer to the TLS context
[in]	cookie	Pointer to the Cookie extension

Returns: Error code

Definition at line 552 of file tls13_client_extensions.c.

◆ tls13ParseSelectedGroupExtension()

error_t tls13ParseSelectedGroupExtension	(	TlsContext *	context,
		const TlsExtension *	selectedGroup
	)

Parse KeyShare extension (HelloRetryRequest message)

Parameters

[in]	context	Pointer to the TLS context
[in]	selectedGroup	Pointer to the KeyShare extension

Returns: Error code

Definition at line 604 of file tls13_client_extensions.c.

◆ tls13ParseServerEarlyDataExtension()

error_t tls13ParseServerEarlyDataExtension	(	TlsContext *	context,
		TlsMessageType	msgType,
		const TlsExtension *	earlyDataIndication
	)

Parse EarlyData extension.

Parameters

[in]	msgType	Handshake message type
[in]	context	Pointer to the TLS context
[in]	earlyDataIndication	Pointer to the EarlyData extension

Returns: Error code

Definition at line 863 of file tls13_client_extensions.c.

◆ tls13ParseServerKeyShareExtension()

error_t tls13ParseServerKeyShareExtension	(	TlsContext *	context,
		const Tls13KeyShareEntry *	serverShare
	)

Parse KeyShare extension (ServerHello message)

Parameters

[in]	context	Pointer to the TLS context
[in]	serverShare	Pointer to the KeyShare extension

Returns: Error code

Definition at line 654 of file tls13_client_extensions.c.

◆ tls13ParseServerPreSharedKeyExtension()

error_t tls13ParseServerPreSharedKeyExtension	(	TlsContext *	context,
		const TlsExtension *	selectedIdentity
	)

Parse PreSharedKey extension.

Parameters

[in]	context	Pointer to the TLS context
[in]	selectedIdentity	Pointer to the PreSharedKey extension

Returns: Error code

Definition at line 758 of file tls13_client_extensions.c.

◆ tls13ParseServerSupportedVersionsExtension()

error_t tls13ParseServerSupportedVersionsExtension	(	TlsContext *	context,
		const TlsExtension *	selectedVersion
	)

Parse SupportedVersions extension.

Parameters

[in]	context	Pointer to the TLS context
[in]	selectedVersion	Pointer to the SupportedVersions extension

Returns: Error code

Definition at line 516 of file tls13_client_extensions.c.

Macros

Functions

Detailed Description

License

Macro Definition Documentation

◆ TRACE_LEVEL

Function Documentation

◆ tls13FormatClientEarlyDataExtension()

◆ tls13FormatClientKeyShareExtension()

◆ tls13FormatClientPreSharedKeyExtension()

◆ tls13FormatCookieExtension()

◆ tls13FormatPskKeModesExtension()

◆ tls13ParseCookieExtension()

◆ tls13ParseSelectedGroupExtension()

◆ tls13ParseServerEarlyDataExtension()

◆ tls13ParseServerKeyShareExtension()

◆ tls13ParseServerPreSharedKeyExtension()

◆ tls13ParseServerSupportedVersionsExtension()