Lionel Gauthier
26495e6a0a
git-svn-id: http://svn.eurecom.fr/openair4G/trunk@5552 818b1a75-f10b-46b9-bf7c-635c3b92a50f
116 lines
3.5 KiB
C
116 lines
3.5 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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#include <stdint.h>
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#include <stdio.h>
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#include <gmp.h>
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#ifndef AUC_H_
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#define AUC_H_
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#define SQN_LENGTH_BITS (48)
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#define SQN_LENGTH_OCTEST (SQN_LENGTH_BITS/8)
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#define IK_LENGTH_BITS (128)
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#define IK_LENGTH_OCTETS (IK_LENGTH_BITS/8)
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#define RAND_LENGTH_OCTETS (16)
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#define RAND_LENGTH_BITS (RAND_LENGTH_OCTETS*8)
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#define XRES_LENGTH_OCTETS (8)
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#define AUTN_LENGTH_OCTETS (16)
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#define KASME_LENGTH_OCTETS (32)
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#define MAC_S_LENGTH (8)
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extern uint8_t opc[16];
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typedef mpz_t random_t;
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typedef mpz_t sqn_t;
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typedef uint8_t u8;
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typedef struct {
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uint8_t rand[16];
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uint8_t rand_new;
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uint8_t xres[8];
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uint8_t autn[16];
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uint8_t kasme[32];
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} auc_vector_t;
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void RijndaelKeySchedule(u8 key[16]);
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void RijndaelEncrypt(u8 in[16], u8 out[16]);
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/* Sequence number functions */
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struct sqn_ue_s;
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struct sqn_ue_s *sqn_exists(uint64_t imsi);
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void sqn_insert(struct sqn_ue_s *item);
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void sqn_init(struct sqn_ue_s *item);
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struct sqn_ue_s *sqn_new(uint64_t imsi);
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void sqn_list_init(void);
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void sqn_get(uint64_t imsi, uint8_t sqn[6]);
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/* Random number functions */
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struct random_state_s;
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void random_init(void);
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void generate_random(uint8_t *random, ssize_t length);
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void SetOPc(u8 op_c[16]);
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void f1 ( u8 k[16], u8 rand[16], u8 sqn[6], u8 amf[2],
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u8 mac_a[8] );
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void f1star( u8 k[16], u8 rand[16], u8 sqn[6], u8 amf[2],
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u8 mac_s[8] );
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void f2345 ( u8 k[16], u8 rand[16],
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u8 res[8], u8 ck[16], u8 ik[16], u8 ak[6] );
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void f5star( u8 k[16], u8 rand[16],
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u8 ak[6] );
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void generate_autn(u8 sqn[6], u8 ak[6], u8 amf[2], u8 mac_a[8], u8 autn[16]);
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int generate_vector(uint64_t imsi, uint8_t key[16], uint8_t plmn[3],
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uint8_t sqn[6], auc_vector_t *vector);
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inline
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void kdf(uint8_t *key, uint16_t key_len, uint8_t *s, uint16_t s_len, uint8_t *out,
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uint16_t out_len);
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inline
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void derive_kasme(uint8_t ck[16], uint8_t ik[16], uint8_t plmn[3], uint8_t sqn[6],
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uint8_t ak[6], uint8_t kasme[32]);
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uint8_t *sqn_ms_derive(uint8_t *key, uint8_t *auts, uint8_t *rand);
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static inline void print_buffer(const char *prefix, uint8_t *buffer, int length)
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{
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int i;
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fprintf(stdout, "%s", prefix);
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for (i = 0; i < length; i++) {
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fprintf(stdout, "%02x.", buffer[i]);
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}
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fprintf(stdout, "\n");
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}
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#endif /* AUC_H_ */
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