172 lines
6.0 KiB
C
172 lines
6.0 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: ipike_payload_key_exchange.h,v $ $Revision: 1.3 $
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* $Source: /home/interpeak/CVSRoot/ipike/src/ipike_payload_key_exchange.h,v $
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* $Author: edahlber $ $Date: 2010-04-23 15:31:41 $
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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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#ifndef IPIKE_PAYLOAD_KEY_EXCHANGE_H
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#define IPIKE_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 (RFC 2408, chapter 3.7) */
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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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/*
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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_config.h"
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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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#define IPIKE_KE_HEADER_LENGTH sizeof(Ipike_ke_payload)
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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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! !
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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 Ipike_key_exchange_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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/* Data required to generate a session key follows. The interpretation of
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this data is specified by the DOI and the associated Key Exchange
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algorithm. This field may also contain pre-placed key indicators. */
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}
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Ipike_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_key_exchange_new
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*===========================================================================
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* Description: Creates a new key exchange payload.
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* Parameters: ke_data - pointer to the local DH public value.
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* ke_len - the length of the DH value.
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* Returns: A new key exchange payload or IP_NULL if out of memory.
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*
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*
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*/
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IP_GLOBAL Ipike_ke_payload*
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ipike_key_exchange_new(const Ip_u8* ke_data, Ip_u16 ke_len);
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/*
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*===========================================================================
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* ipike_key_exchange_create
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*===========================================================================
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* Description: Creates a new key exchange payload from the information created
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* in the exchange.
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* Parameters: g_x - The local public DH value.
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* ke - will point to a new key exchange payload if the
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* call 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_key_exchange_create(Ipike_value* g_x, Ipike_ke_payload** ke);
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/*
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*===========================================================================
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* ipike_key_exchange_check_payload
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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_key_exchange_check_payload(Ipike_ke_payload* ke);
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/*
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*===========================================================================
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* ipike_key_exchange_print_payload
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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_key_exchange_print_payload(Ipike_ke_payload* ke);
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/*
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*===========================================================================
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* ipike_key_exchange_extract
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*===========================================================================
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* Description: Extracts the key data from the payload.
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* Parameters: payload - a key exchange payload.
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* ke - will be updated with the key exchange 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_key_exchange_extract(Ipike_ke_payload* payload, Ipike_value* ke);
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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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