112 lines
4.5 KiB
C
112 lines
4.5 KiB
C
/*******************************************************************************
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OpenAirInterface
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Copyright(c) 1999 - 2014 Eurecom
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OpenAirInterface is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenAirInterface is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with OpenAirInterface.The full GNU General Public License is
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included in this distribution in the file called "COPYING". If not,
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see <http://www.gnu.org/licenses/>.
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Contact Information
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OpenAirInterface Admin: openair_admin@eurecom.fr
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OpenAirInterface Tech : openair_tech@eurecom.fr
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OpenAirInterface Dev : openair4g-devel@eurecom.fr
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Address : Eurecom, Compus SophiaTech 450, route des chappes, 06451 Biot, France.
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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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