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

#include "tls.h"
#include "tls_misc.h"
#include "tls13_server_extensions.h"
#include "tls13_server_misc.h"
#include "tls13_ticket.h"
#include "debug.h"

Macros
#define	TRACE_LEVEL TLS_TRACE_LEVEL

Functions
error_t	tls13FormatServerSupportedVersionsExtension (TlsContext context, uint8_t p, size_t *written)
	Format SupportedVersions extension. More...

error_t	tls13FormatSelectedGroupExtension (TlsContext context, uint8_t p, size_t *written)
	Format KeyShare extension (HelloRetryRequest message) More...

error_t	tls13FormatServerKeyShareExtension (TlsContext context, uint8_t p, size_t *written)
	Format KeyShare extension (ServerHello message) More...

error_t	tls13FormatServerPreSharedKeyExtension (TlsContext context, uint8_t p, size_t *written)
	Format PreSharedKey extension. More...

error_t	tls13FormatServerEarlyDataExtension (TlsContext context, TlsMessageType msgType, uint8_t p, size_t *written)
	Format EarlyData extension. More...

error_t	tls13ParseClientKeyShareExtension (TlsContext context, const Tls13KeyShareList keyShareList, const TlsSupportedGroupList *groupList)
	Parse KeyShare extension. More...

error_t	tls13ParsePskKeModesExtension (TlsContext context, const Tls13PskKeModeList pskKeModeList)
	Parse PskKeyExchangeModes extension. More...

error_t	tls13ParseClientPreSharedKeyExtension (TlsContext context, const TlsClientHello clientHello, size_t clientHelloLen, const Tls13PskIdentityList identityList, const Tls13PskBinderList binderList)
	Parse PreSharedKey extension. More...

error_t	tls13ParseClientEarlyDataExtension (TlsContext context, const TlsExtension earlyDataIndication)
	Parse EarlyData extension. More...

Detailed Description

Formatting and parsing of extensions (TLS 1.3 server)

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_server_extensions.c.

Macro Definition Documentation

◆ TRACE_LEVEL

#define TRACE_LEVEL TLS_TRACE_LEVEL

Definition at line 32 of file tls13_server_extensions.c.

Function Documentation

◆ tls13FormatSelectedGroupExtension()

error_t tls13FormatSelectedGroupExtension	(	TlsContext *	context,
		uint8_t *	p,
		size_t *	written
	)

Format KeyShare extension (HelloRetryRequest 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_server_extensions.c.

◆ tls13FormatServerEarlyDataExtension()

error_t tls13FormatServerEarlyDataExtension	(	TlsContext *	context,
		TlsMessageType	msgType,
		uint8_t *	p,
		size_t *	written
	)

Format EarlyData extension.

Parameters

[in]	context	Pointer to the TLS context
[in]	msgType	Handshake message type
[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 343 of file tls13_server_extensions.c.

◆ tls13FormatServerKeyShareExtension()

error_t tls13FormatServerKeyShareExtension	(	TlsContext *	context,
		uint8_t *	p,
		size_t *	written
	)

Format KeyShare extension (ServerHello 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 156 of file tls13_server_extensions.c.

◆ tls13FormatServerPreSharedKeyExtension()

error_t tls13FormatServerPreSharedKeyExtension	(	TlsContext *	context,
		uint8_t *	p,
		size_t *	written
	)

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

Returns: Error code

Definition at line 293 of file tls13_server_extensions.c.

◆ tls13FormatServerSupportedVersionsExtension()

error_t tls13FormatServerSupportedVersionsExtension	(	TlsContext *	context,
		uint8_t *	p,
		size_t *	written
	)

Format SupportedVersions extension.

Parameters

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

Returns: Error code

Definition at line 55 of file tls13_server_extensions.c.

◆ tls13ParseClientEarlyDataExtension()

error_t tls13ParseClientEarlyDataExtension	(	TlsContext *	context,
		const TlsExtension *	earlyDataIndication
	)

Parse EarlyData extension.

Parameters

[in]	context	Pointer to the TLS context
[in]	earlyDataIndication	Pointer to the EarlyData extension

Returns: Error code

Definition at line 878 of file tls13_server_extensions.c.

◆ tls13ParseClientKeyShareExtension()

error_t tls13ParseClientKeyShareExtension	(	TlsContext *	context,
		const Tls13KeyShareList *	keyShareList,
		const TlsSupportedGroupList *	groupList
	)

Parse KeyShare extension.

Parameters

[in]	context	Pointer to the TLS context
[in]	keyShareList	Pointer to the KeyShare extension
[in]	groupList	Pointer to the SupportedGroups extension

Returns: Error code

Definition at line 414 of file tls13_server_extensions.c.

◆ tls13ParseClientPreSharedKeyExtension()

error_t tls13ParseClientPreSharedKeyExtension	(	TlsContext *	context,
		const TlsClientHello *	clientHello,
		size_t	clientHelloLen,
		const Tls13PskIdentityList *	identityList,
		const Tls13PskBinderList *	binderList
	)

Parse PreSharedKey extension.

Parameters

[in]	context	Pointer to the TLS context
[in]	clientHello	Pointer to the ClientHello message
[in]	clientHelloLen	Length of the ClientHello message
[in]	identityList	List of the identities that the client is willing to negotiate with the server
[in]	binderList	List of HMAC values, one for each PSK offered in the PreSharedKey extension

Returns: Error code

Definition at line 698 of file tls13_server_extensions.c.

◆ tls13ParsePskKeModesExtension()

error_t tls13ParsePskKeModesExtension	(	TlsContext *	context,
		const Tls13PskKeModeList *	pskKeModeList
	)

Parse PskKeyExchangeModes extension.

Parameters

[in]	context	Pointer to the TLS context
[in]	pskKeModeList	Pointer to the PskKeyExchangeModes extension

Returns: Error code

Definition at line 596 of file tls13_server_extensions.c.

Macros

Functions

Detailed Description

License

Macro Definition Documentation

◆ TRACE_LEVEL

Function Documentation

◆ tls13FormatSelectedGroupExtension()

◆ tls13FormatServerEarlyDataExtension()

◆ tls13FormatServerKeyShareExtension()

◆ tls13FormatServerPreSharedKeyExtension()

◆ tls13FormatServerSupportedVersionsExtension()

◆ tls13ParseClientEarlyDataExtension()

◆ tls13ParseClientKeyShareExtension()

◆ tls13ParseClientPreSharedKeyExtension()

◆ tls13ParsePskKeModesExtension()