185 lines
6.5 KiB
C
185 lines
6.5 KiB
C
/*
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******************************************************************************
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* HEADER FILE
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*
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* Document no: @(#) $Name: VXWORKS_ITER40_2019102207 $ $RCSfile: ipike2_payload_key_exchange.h,v $ $Revision: 1.4.16.1 $
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* $Source: /home/interpeak/CVSRoot/ipike/src/ipike2_payload_key_exchange.h,v $
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* $Author: edahlber $ $Date: 2012-02-03 08:46:46 $
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* $State: Exp $ $Locker: $
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*
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* INTERPEAK_COPYRIGHT_STRING
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* Design and implementation by Kenneth Jonsson <kenneth@interpeak.se>
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******************************************************************************
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*/
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#if !defined(IPIKE2_PAYLOAD_KEY_EXCHANGE_H) && defined(IPIKE_USE_VERSION2)
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#define IPIKE2_PAYLOAD_KEY_EXCHANGE_H
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/*
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****************************************************************************
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* 1 DESCRIPTION
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****************************************************************************
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*/
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/* Key Exchange payload (IKE version 2) */
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/*
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****************************************************************************
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* 2 CONFIGURATION
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****************************************************************************
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*/
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#include "ipike_config.h"
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/*
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****************************************************************************
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* 3 INCLUDE FILES
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****************************************************************************
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*/
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#include "ipike_payload.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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****************************************************************************
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* 4 DEFINES
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****************************************************************************
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*/
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/*
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****************************************************************************
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* 5 TYPES
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****************************************************************************
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*/
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/*
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Key Exchange Payload Format
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1 2 3
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0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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! Next Payload ! RESERVED ! Payload Length !
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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! DH Group # ! RESERVED ! !
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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! !
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~ Key Exchange Data ~
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! !
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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*/
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typedef struct Ipike2_ke_payload_struct
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{
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/* The generic ISAKMP payload header, the length includes the length
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of all transforms associated with the proposal */
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Ipike_payload_header header;
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/* DH Group */
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Ip_u16 dh_group;
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/* Reserved */
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Ip_u16 reserved;
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/* Key exchange data follows */
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}
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Ipike2_ke_payload;
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/*
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****************************************************************************
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* 6 FUNCTIONS
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****************************************************************************
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*/
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/*
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*===========================================================================
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* ipike_payload_key_exchange_create
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*===========================================================================
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* Description: Creates a new key exchange payload from the information
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* created in the exchange.
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* Parameters: group - the diffie-hellman group used to generate the key
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* key - the public part of the diffie-hellman key.
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* payload - Will point to a new key exchange payload if the call
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* was successful.
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* Returns: IPIKE_SUCCESS
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* IPIKE_OUT_OF_MEMORY
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*
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*/
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IP_GLOBAL Ipike_error
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ipike_payload_key_exchange_create(
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Ip_u16 group,
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Ipike_value* key,
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Ipike2_ke_payload** payload);
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/*
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*===========================================================================
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* ipike_payload_key_exchange_check
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*===========================================================================
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* Description: Verifies that the key exchange payload is sane.
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* Parameters: ke - a pointer to a key exchange payload.
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* Returns: IPIKE_SUCCESS
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*
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*
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*/
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IP_GLOBAL Ipike_error
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ipike_payload_key_exchange_check(Ipike2_ke_payload* ke);
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/*
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*===========================================================================
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* ipike_payload_key_exchange_print
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*===========================================================================
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* Description: Prints the content of the key exchange payload to the
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* system log.
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* Parameters: ke - a pointer to a key exchange payload.
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* Returns:
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*
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*
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*/
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IP_GLOBAL void
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ipike_payload_key_exchange_print(Ipike2_ke_payload* ke);
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/*
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*===========================================================================
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* ipike_payload_key_exchange_extract
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*===========================================================================
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* Description: Extracts the key exchange data from the payload.
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* Parameters: payload - a key exchange payload.
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* group - will be updated with the diffie-hellman group if the
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* call was successful.
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* key - will be updated with the public key data if the call
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* was successful.
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* Returns: IPIKE_SUCCESS
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* IPIKE_OUT_OF_MEMORY
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*
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*/
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IP_GLOBAL Ipike_error
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ipike_payload_key_exchange_extract(
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Ipike2_ke_payload* payload,
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Ip_u16* group,
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Ipike_value* key);
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/*
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*===========================================================================
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* ipike_payload_key_exchange_generate
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*===========================================================================
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* Description: Generate key exchange data.
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* Parameters: group - the diffie-hellman group that should be used.
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* dh - pointer to the generated key
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* pub - the public part of the generated key.
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* Returns: IPIKE_SUCCESS
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* IPIKE_OUT_OF_MEMORY
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*
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*/
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IP_GLOBAL Ipike_error
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ipike_payload_key_exchange_generate(Ip_u16 group, DH** dh, Ipike_value* pub);
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#ifdef __cplusplus
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}
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#endif
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#endif
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/*
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****************************************************************************
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* END OF FILE
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****************************************************************************
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*/
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