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