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openairinterface5g/openair3/NAS/COMMON/securityDef.h
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/*
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The OpenAirInterface Software Alliance licenses this file to You under
* the OAI Public License, Version 1.1 (the "License"); you may not use this file
* except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.openairinterface.org/?page_id=698
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*-------------------------------------------------------------------------------
* For more information about the OpenAirInterface (OAI) Software Alliance:
* contact@openairinterface.org
*/
/*****************************************************************************
Source securityDef.h
Version 0.1
Date 2013/05/02
Product NAS stack
Subsystem include
Author Frederic Maurel
Description Contains global security definitions
*****************************************************************************/
#ifndef __SECURITYDEF_H__
#define __SECURITYDEF_H__
/****************************************************************************/
/********************* G L O B A L C O N S T A N T S *******************/
/****************************************************************************/
/*
* Index of the first byte of each fields of the AUTN parameter
*/
#define AUTH_SQN_INDEX 0
#define AUTH_AMF_INDEX (AUTH_SQN_INDEX + AUTH_SQN_SIZE)
#define AUTH_MAC_INDEX (AUTH_AMF_INDEX + AUTH_AMF_SIZE)
/*
* Size of the authentication challenge parameters in bytes
*/
#define AUTH_SQN_SIZE 6 /* Sequence number: 48 bits */
#define AUTH_AK_SIZE 6 /* Anonymity key: 48 bits */
#define AUTH_AMF_SIZE 2 /* Authentication Management Field: 16 bits */
#define AUTH_MAC_SIZE 8 /* Message Authentication Code: 64 bits */
#define AUTH_AUTN_SIZE 16 /* Authentication token: 128 bits
AUTN = (SQN ⊕ AK) || AMF || MAC */
#define AUTH_MACS_SIZE 8 /* Re-synchronization MAC: 64 bits */
#define AUTH_AUTS_SIZE 16 /* Re-synchronization AUT: 128 bits */
#define AUTH_RAND_SIZE 16 /* Random challenge: 128 bits */
#define AUTH_CK_SIZE 16 /* Ciphering key: 128 bits */
#define AUTH_IK_SIZE 16 /* Integrity key: 128 bits */
#define AUTH_RES_SIZE 16 /* Authentication response: 128 bits */
#define AUTH_SNID_SIZE 3 /* Serving network's identity: 24 bits */
#define AUTH_KASME_SIZE 32 /* KASME security key: 256 bits */
#define AUTH_KNAS_INT_SIZE 16 /* NAS integrity key */
#define AUTH_KNAS_ENC_SIZE 16 /* NAS cyphering key */
#define AUTH_KENB_SIZE AUTH_KASME_SIZE /* eNodeB security key */
/* "Separation bit" of AMF field */
#define AUTH_AMF_SEPARATION_BIT(a) ((a) & 0x80)
/****************************************************************************/
/************************ G L O B A L T Y P E S ************************/
/****************************************************************************/
/*
* EPS authentication vector
*/
typedef struct {
/* ASME security key */
uint8_t kasme[AUTH_KASME_SIZE];
/* Random challenge parameter */
uint8_t rand[AUTH_RAND_SIZE];
/* Authentication token parameter */
uint8_t autn[AUTH_AUTN_SIZE];
/* Expected Authentication response parameter */
#define AUTH_XRES_SIZE AUTH_RES_SIZE
uint8_t xres_size;
uint8_t xres[AUTH_XRES_SIZE];
} auth_vector_t;
/****************************************************************************/
/******************** G L O B A L V A R I A B L E S ********************/
/****************************************************************************/
/****************************************************************************/
/****************** E X P O R T E D F U N C T I O N S ******************/
/****************************************************************************/
#endif /* __SECURITYDEF_H__*/