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GNU GENERAL PUBLIC LICENSE
Version 3, 29 June 2007
Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
Preamble
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How to Apply These Terms to Your New Programs
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Also add information on how to contact you by electronic and paper mail.
If the program does terminal interaction, make it output a short
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The hypothetical commands `show w' and `show c' should show the appropriate
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<http://www.gnu.org/licenses/>.
The GNU General Public License does not permit incorporating your program
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may consider it more useful to permit linking proprietary applications with
the library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License. But first, please read
<http://www.gnu.org/philosophy/why-not-lgpl.html>.
openair3/NAS/UE/API/USIM/Makefile
+49
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@@ -0,0 +1,49 @@
################################################################################
# OpenAirInterface
# Copyright(c) 1999 - 2014 Eurecom
#
# OpenAirInterface is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
#
# OpenAirInterface is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with OpenAirInterface.The full GNU General Public License is
# included in this distribution in the file called "COPYING". If not,
# see <http://www.gnu.org/licenses/>.
#
# Contact Information
# OpenAirInterface Admin: openair_admin@eurecom.fr
# OpenAirInterface Tech : openair_tech@eurecom.fr
# OpenAirInterface Dev : openair4g-devel@lists.eurecom.fr
#
# Address : Eurecom, Compus SophiaTech 450, route des chappes, 06451 Biot, France.
#
################################################################################
ifndef PROJDIR
PROJDIR = $(PWD)/../../..
INCLUDES = -I. -I$(INCDIR) -I$(UTILDIR) -I$(IESDIR) -I$(EMMMSGDIR) -I$(ESMMSGDIR)
endif
include $(PROJDIR)/Makerules
include $(PROJDIR)/Makefile.inc
all: $(OBJS)
%.o: %.c Makefile
@echo Compiling $<
@$(CC) $(CFLAGS) -c $< -o $@
clean:
$(RM) $(OBJS) *.bak *~
depend:
makedepend -- ${CFLAGS} -- ${SRCS}
# DO NOT DELETE THIS LINE -- make depend depends on it.
openair3/NAS/UE/API/USIM/aka_functions.c
+485
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/*-------------------------------------------------------------------
* Example algorithms f1, f1*, f2, f3, f4, f5, f5*
*-------------------------------------------------------------------
*
* A sample implementation of the example 3GPP authentication and
* key agreement functions f1, f1*, f2, f3, f4, f5 and f5*. This is
* a byte-oriented implementation of the functions, and of the block
* cipher kernel function Rijndael.
*
* This has been coded for clarity, not necessarily for efficiency.
*
* The functions f2, f3, f4 and f5 share the same inputs and have
* been coded together as a single function. f1, f1* and f5* are
* all coded separately.
* From 3GPP 35.206-900
*-----------------------------------------------------------------*/
#include "aka_functions.h"
#include "nas_log.h"
/*--------- Operator Variant Algorithm Configuration Field --------*/
/*------- Insert your value of OP here -------*/
/* PFT OP used currently in HSS (OPENAIRHSS/auc/kdf.c) */
u8 OP[16] = {0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11,
0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11
};
/*------- Insert your value of OP here -------*/
/*-------------------------------------------------------------------
* Algorithm f1
*-------------------------------------------------------------------
*
* Computes network authentication code MAC-A from key K, random
* challenge RAND, sequence number SQN and authentication management
* field AMF.
*
*-----------------------------------------------------------------*/
void f1 ( u8 k_pP[16], u8 rand_pP[16], u8 sqn_pP[6], u8 amf_pP[2],
u8 mac_a_pP[8] )
{
u8 op_c[16];
u8 temp[16];
u8 in1[16];
u8 out1[16];
u8 rijndaelInput[16];
u8 i;
RijndaelKeySchedule( k_pP );
ComputeOPc( op_c );
for (i=0; i<16; i++)
rijndaelInput[i] = rand_pP[i] ^ op_c[i];
RijndaelEncrypt( rijndaelInput, temp );
for (i=0; i<6; i++) {
in1[i] = sqn_pP[i];
in1[i+8] = sqn_pP[i];
}
for (i=0; i<2; i++) {
in1[i+6] = amf_pP[i];
in1[i+14] = amf_pP[i];
}
/* XOR op_c and in1, rotate by r1=64, and XOR *
* on the constant c1 (which is all zeroes) */
for (i=0; i<16; i++)
rijndaelInput[(i+8) % 16] = in1[i] ^ op_c[i];
/* XOR on the value temp computed before */
for (i=0; i<16; i++)
rijndaelInput[i] ^= temp[i];
RijndaelEncrypt( rijndaelInput, out1 );
for (i=0; i<16; i++)
out1[i] ^= op_c[i];
for (i=0; i<8; i++)
mac_a_pP[i] = out1[i];
return;
} /* end of function f1 */
/*-------------------------------------------------------------------
* Algorithms f2-f5
*-------------------------------------------------------------------
*
* Takes key K and random challenge RAND, and returns response RES,
* confidentiality key CK, integrity key IK and anonymity key AK.
*
*-----------------------------------------------------------------*/
void f2345 ( u8 k_pP[16], u8 rand_pP[16],
u8 res_pP[8], u8 ck_pP[16], u8 ik_pP[16], u8 ak_pP[6] )
{
u8 op_c[16];
u8 temp[16];
u8 out[16];
u8 rijndaelInput[16];
u8 i;
LOG_TRACE(DEBUG,
"USIM-API - f2345 : in k[0..15]=%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X",
k_pP[0],k_pP[1],k_pP[2], k_pP[3], k_pP[4], k_pP[5], k_pP[6], k_pP[7],
k_pP[8],k_pP[9],k_pP[10],k_pP[11],k_pP[12],k_pP[13],k_pP[14],k_pP[15]);
LOG_TRACE(DEBUG,
"USIM-API - f2345 : in rand[0..15]=%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X",
rand_pP[0],rand_pP[1],rand_pP[2], rand_pP[3], rand_pP[4], rand_pP[5], rand_pP[6], rand_pP[7],
rand_pP[8],rand_pP[9],rand_pP[10],rand_pP[11],rand_pP[12],rand_pP[13],rand_pP[14],rand_pP[15]);
RijndaelKeySchedule( k_pP );
ComputeOPc( op_c );
for (i=0; i<16; i++)
rijndaelInput[i] = rand_pP[i] ^ op_c[i];
RijndaelEncrypt( rijndaelInput, temp );
/* To obtain output block OUT2: XOR OPc and TEMP, *
* rotate by r2=0, and XOR on the constant c2 (which *
* is all zeroes except that the last bit is 1). */
for (i=0; i<16; i++)
rijndaelInput[i] = temp[i] ^ op_c[i];
rijndaelInput[15] ^= 1;
RijndaelEncrypt( rijndaelInput, out );
for (i=0; i<16; i++)
out[i] ^= op_c[i];
for (i=0; i<8; i++)
res_pP[i] = out[i+8];
for (i=0; i<6; i++)
ak_pP[i] = out[i];
LOG_TRACE(DEBUG,
"USIM-API - f2345 : out f2 res[0..7]=%02X%02X%02X%02X%02X%02X%02X%02X",
res_pP[0],res_pP[1],res_pP[2], res_pP[3], res_pP[4], res_pP[5], res_pP[6], res_pP[7]);
LOG_TRACE(DEBUG,
"USIM-API - f2345 : out f5 ak[0..5]=%02X%02X%02X%02X%02X%02X",
ak_pP[0],ak_pP[1],ak_pP[2], ak_pP[3], ak_pP[4], ak_pP[5]);
/* To obtain output block OUT3: XOR OPc and TEMP, *
* rotate by r3=32, and XOR on the constant c3 (which *
* is all zeroes except that the next to last bit is 1). */
for (i=0; i<16; i++)
rijndaelInput[(i+12) % 16] = temp[i] ^ op_c[i];
rijndaelInput[15] ^= 2;
RijndaelEncrypt( rijndaelInput, out );
for (i=0; i<16; i++)
out[i] ^= op_c[i];
for (i=0; i<16; i++)
ck_pP[i] = out[i];
LOG_TRACE(DEBUG,
"USIM-API - f2345 : out f3 ck_pP[0..7]=%02X%02X%02X%02X%02X%02X%02X%02X",
ck_pP[0],ck_pP[1],ck_pP[2], ck_pP[3], ck_pP[4], ck_pP[5], ck_pP[6], ck_pP[7]);
/* To obtain output block OUT4: XOR OPc and TEMP, *
* rotate by r4=64, and XOR on the constant c4 (which *
* is all zeroes except that the 2nd from last bit is 1). */
for (i=0; i<16; i++)
rijndaelInput[(i+8) % 16] = temp[i] ^ op_c[i];
rijndaelInput[15] ^= 4;
RijndaelEncrypt( rijndaelInput, out );
for (i=0; i<16; i++)
out[i] ^= op_c[i];
for (i=0; i<16; i++)
ik_pP[i] = out[i];
LOG_TRACE(DEBUG,
"USIM-API - f2345 : out f4 ik_pP[0..15]=%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X",
ik_pP[0],ik_pP[1],ik_pP[2], ik_pP[3], ik_pP[4], ik_pP[5], ik_pP[6], ik_pP[7],
ik_pP[8],ik_pP[9],ik_pP[10],ik_pP[11],ik_pP[12],ik_pP[13],ik_pP[14],ik_pP[15]);
return;
} /* end of function f2345 */
/*-------------------------------------------------------------------
* Algorithm f1*
*-------------------------------------------------------------------
*
* Computes resynch authentication code MAC-S from key K, random
* challenge RAND, sequence number SQN and authentication management
* field AMF.
*
*-----------------------------------------------------------------*/
void f1star( u8 k_pP[16], u8 rand_pP[16], u8 sqn_pP[6], u8 amf_pP[2],
u8 mac_s_pP[8] )
{
u8 op_c[16];
u8 temp[16];
u8 in1[16];
u8 out1[16];
u8 rijndaelInput[16];
u8 i;
RijndaelKeySchedule( k_pP );
ComputeOPc( op_c );
for (i=0; i<16; i++)
rijndaelInput[i] = rand_pP[i] ^ op_c[i];
RijndaelEncrypt( rijndaelInput, temp );
for (i=0; i<6; i++) {
in1[i] = sqn_pP[i];
in1[i+8] = sqn_pP[i];
}
for (i=0; i<2; i++) {
in1[i+6] = amf_pP[i];
in1[i+14] = amf_pP[i];
}
/* XOR op_c and in1, rotate by r1=64, and XOR *
* on the constant c1 (which is all zeroes) */
for (i=0; i<16; i++)
rijndaelInput[(i+8) % 16] = in1[i] ^ op_c[i];
/* XOR on the value temp computed before */
for (i=0; i<16; i++)
rijndaelInput[i] ^= temp[i];
RijndaelEncrypt( rijndaelInput, out1 );
for (i=0; i<16; i++)
out1[i] ^= op_c[i];
for (i=0; i<8; i++)
mac_s_pP[i] = out1[i+8];
return;
} /* end of function f1star */
/*-------------------------------------------------------------------
* Algorithm f5*
*-------------------------------------------------------------------
*
* Takes key K and random challenge RAND, and returns resynch
* anonymity key AK.
*
*-----------------------------------------------------------------*/
void f5star( u8 k_pP[16], u8 rand_pP[16],
u8 ak_pP[6] )
{
u8 op_c[16];
u8 temp[16];
u8 out[16];
u8 rijndaelInput[16];
u8 i;
RijndaelKeySchedule( k_pP );
ComputeOPc( op_c );
for (i=0; i<16; i++)
rijndaelInput[i] = rand_pP[i] ^ op_c[i];
RijndaelEncrypt( rijndaelInput, temp );
/* To obtain output block OUT5: XOR OPc and TEMP, *
* rotate by r5=96, and XOR on the constant c5 (which *
* is all zeroes except that the 3rd from last bit is 1). */
for (i=0; i<16; i++)
rijndaelInput[(i+4) % 16] = temp[i] ^ op_c[i];
rijndaelInput[15] ^= 8;
RijndaelEncrypt( rijndaelInput, out );
for (i=0; i<16; i++)
out[i] ^= op_c[i];
for (i=0; i<6; i++)
ak_pP[i] = out[i];
return;
} /* end of function f5star */
/*-------------------------------------------------------------------
* Function to compute OPc from OP and K. Assumes key schedule has
already been performed.
*-----------------------------------------------------------------*/
void ComputeOPc( u8 op_c_pP[16] )
{
u8 i;
LOG_TRACE(DEBUG,
"USIM-API - ComputeOPc : OP[0..15]=%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X",
OP[0],OP[1],OP[2], OP[3], OP[4], OP[5], OP[6], OP[7],
OP[8],OP[9],OP[10],OP[11],OP[12],OP[13],OP[14],OP[15]);
RijndaelEncrypt( OP, op_c_pP );
for (i=0; i<16; i++)
op_c_pP[i] ^= OP[i];
return;
} /* end of function ComputeOPc */
/*-------------------- Rijndael round subkeys ---------------------*/
u8 roundKeys[11][4][4];
/*--------------------- Rijndael S box table ----------------------*/
u8 S[256] = {
99,124,119,123,242,107,111,197, 48, 1,103, 43,254,215,171,118,
202,130,201,125,250, 89, 71,240,173,212,162,175,156,164,114,192,
183,253,147, 38, 54, 63,247,204, 52,165,229,241,113,216, 49, 21,
4,199, 35,195, 24,150, 5,154, 7, 18,128,226,235, 39,178,117,
9,131, 44, 26, 27,110, 90,160, 82, 59,214,179, 41,227, 47,132,
83,209, 0,237, 32,252,177, 91,106,203,190, 57, 74, 76, 88,207,
208,239,170,251, 67, 77, 51,133, 69,249, 2,127, 80, 60,159,168,
81,163, 64,143,146,157, 56,245,188,182,218, 33, 16,255,243,210,
205, 12, 19,236, 95,151, 68, 23,196,167,126, 61,100, 93, 25,115,
96,129, 79,220, 34, 42,144,136, 70,238,184, 20,222, 94, 11,219,
224, 50, 58, 10, 73, 6, 36, 92,194,211,172, 98,145,149,228,121,
231,200, 55,109,141,213, 78,169,108, 86,244,234,101,122,174, 8,
186,120, 37, 46, 28,166,180,198,232,221,116, 31, 75,189,139,138,
112, 62,181,102, 72, 3,246, 14, 97, 53, 87,185,134,193, 29,158,
225,248,152, 17,105,217,142,148,155, 30,135,233,206, 85, 40,223,
140,161,137, 13,191,230, 66,104, 65,153, 45, 15,176, 84,187, 22,
};
/*------- This array does the multiplication by x in GF(2^8) ------*/
u8 Xtime[256] = {
0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30,
32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62,
64, 66, 68, 70, 72, 74, 76, 78, 80, 82, 84, 86, 88, 90, 92, 94,
96, 98,100,102,104,106,108,110,112,114,116,118,120,122,124,126,
128,130,132,134,136,138,140,142,144,146,148,150,152,154,156,158,
160,162,164,166,168,170,172,174,176,178,180,182,184,186,188,190,
192,194,196,198,200,202,204,206,208,210,212,214,216,218,220,222,
224,226,228,230,232,234,236,238,240,242,244,246,248,250,252,254,
27, 25, 31, 29, 19, 17, 23, 21, 11, 9, 15, 13, 3, 1, 7, 5,
59, 57, 63, 61, 51, 49, 55, 53, 43, 41, 47, 45, 35, 33, 39, 37,
91, 89, 95, 93, 83, 81, 87, 85, 75, 73, 79, 77, 67, 65, 71, 69,
123,121,127,125,115,113,119,117,107,105,111,109, 99, 97,103,101,
155,153,159,157,147,145,151,149,139,137,143,141,131,129,135,133,
187,185,191,189,179,177,183,181,171,169,175,173,163,161,167,165,
219,217,223,221,211,209,215,213,203,201,207,205,195,193,199,197,
251,249,255,253,243,241,247,245,235,233,239,237,227,225,231,229
};
/*-------------------------------------------------------------------
* Rijndael key schedule function. Takes 16-byte key and creates
* all Rijndael's internal subkeys ready for encryption.
*-----------------------------------------------------------------*/
void RijndaelKeySchedule( u8 key[16] )
{
u8 roundConst;
int i, j;
/* first round key equals key */
for (i=0; i<16; i++)
roundKeys[0][i & 0x03][i>>2] = key[i];
roundConst = 1;
/* now calculate round keys */
for (i=1; i<11; i++) {
roundKeys[i][0][0] = S[roundKeys[i-1][1][3]]
^ roundKeys[i-1][0][0] ^ roundConst;
roundKeys[i][1][0] = S[roundKeys[i-1][2][3]]
^ roundKeys[i-1][1][0];
roundKeys[i][2][0] = S[roundKeys[i-1][3][3]]
^ roundKeys[i-1][2][0];
roundKeys[i][3][0] = S[roundKeys[i-1][0][3]]
^ roundKeys[i-1][3][0];
for (j=0; j<4; j++) {
roundKeys[i][j][1] = roundKeys[i-1][j][1] ^ roundKeys[i][j][0];
roundKeys[i][j][2] = roundKeys[i-1][j][2] ^ roundKeys[i][j][1];
roundKeys[i][j][3] = roundKeys[i-1][j][3] ^ roundKeys[i][j][2];
}
/* update round constant */
roundConst = Xtime[roundConst];
}
return;
} /* end of function RijndaelKeySchedule */
/* Round key addition function */
void KeyAdd(u8 state[4][4], u8 roundKeys[11][4][4], int round)
{
int i, j;
for (i=0; i<4; i++)
for (j=0; j<4; j++)
state[i][j] ^= roundKeys[round][i][j];
return;
}
/* Byte substitution transformation */
int ByteSub(u8 state[4][4])
{
int i, j;
for (i=0; i<4; i++)
for (j=0; j<4; j++)
state[i][j] = S[state[i][j]];
return 0;
}
/* Row shift transformation */
void ShiftRow(u8 state[4][4])
{
u8 temp;
/* left rotate row 1 by 1 */
temp = state[1][0];
state[1][0] = state[1][1];
state[1][1] = state[1][2];
state[1][2] = state[1][3];
state[1][3] = temp;
/* left rotate row 2 by 2 */
temp = state[2][0];
state[2][0] = state[2][2];
state[2][2] = temp;
temp = state[2][1];
state[2][1] = state[2][3];
state[2][3] = temp;
/* left rotate row 3 by 3 */
temp = state[3][0];
state[3][0] = state[3][3];
state[3][3] = state[3][2];
state[3][2] = state[3][1];
state[3][1] = temp;
return;
}
/* MixColumn transformation*/
void MixColumn(u8 state[4][4])
{
u8 temp, tmp, tmp0;
int i;
/* do one column at a time */
for (i=0; i<4; i++) {
temp = state[0][i] ^ state[1][i] ^ state[2][i] ^ state[3][i];
tmp0 = state[0][i];
/* Xtime array does multiply by x in GF2^8 */
tmp = Xtime[state[0][i] ^ state[1][i]];
state[0][i] ^= temp ^ tmp;
tmp = Xtime[state[1][i] ^ state[2][i]];
state[1][i] ^= temp ^ tmp;
tmp = Xtime[state[2][i] ^ state[3][i]];
state[2][i] ^= temp ^ tmp;
tmp = Xtime[state[3][i] ^ tmp0];
state[3][i] ^= temp ^ tmp;
}
return;
}
/*-------------------------------------------------------------------
* Rijndael encryption function. Takes 16-byte input and creates
* 16-byte output (using round keys already derived from 16-byte
* key).
*-----------------------------------------------------------------*/
void RijndaelEncrypt( u8 input[16], u8 output[16] )
{
u8 state[4][4];
int i, r;
/* initialise state array from input byte string */
for (i=0; i<16; i++)
state[i & 0x3][i>>2] = input[i];
/* add first round_key */
KeyAdd(state, roundKeys, 0);
/* do lots of full rounds */
for (r=1; r<=9; r++) {
ByteSub(state);
ShiftRow(state);
MixColumn(state);
KeyAdd(state, roundKeys, r);
}
/* final round */
ByteSub(state);
ShiftRow(state);
KeyAdd(state, roundKeys, r);
/* produce output byte string from state array */
for (i=0; i<16; i++) {
output[i] = state[i & 0x3][i>>2];
}
return;
} /* end of function RijndaelEncrypt */
openair3/NAS/UE/API/USIM/aka_functions.h
+42
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@@ -0,0 +1,42 @@
/*******************************************************************************
OpenAirInterface
Copyright(c) 1999 - 2014 Eurecom
OpenAirInterface is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenAirInterface is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with OpenAirInterface.The full GNU General Public License is
included in this distribution in the file called "COPYING". If not,
see <http://www.gnu.org/licenses/>.
Contact Information
OpenAirInterface Admin: openair_admin@eurecom.fr
OpenAirInterface Tech : openair_tech@eurecom.fr
OpenAirInterface Dev : openair4g-devel@lists.eurecom.fr
Address : Eurecom, Compus SophiaTech 450, route des chappes, 06451 Biot, France.
*******************************************************************************/
typedef unsigned char u8;
/*--------------------------- prototypes --------------------------*/
void f1 ( u8 k[16], u8 rand[16], u8 sqn[6], u8 amf[2],
u8 mac_a[8] );
void f2345 ( u8 k[16], u8 rand[16],
u8 res[8], u8 ck[16], u8 ik[16], u8 ak[6] );
void f1star( u8 k[16], u8 rand[16], u8 sqn[6], u8 amf[2],
u8 mac_s[8] );
void f5star( u8 k[16], u8 rand[16],
u8 ak[6] );
void ComputeOPc( u8 op_c[16] );
void RijndaelKeySchedule( u8 key[16] );
void RijndaelEncrypt( u8 input[16], u8 output[16] );
openair3/NAS/UE/API/USIM/usim_api.c
+404
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@@ -0,0 +1,404 @@
/*******************************************************************************
OpenAirInterface
Copyright(c) 1999 - 2014 Eurecom
OpenAirInterface is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenAirInterface is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with OpenAirInterface.The full GNU General Public License is
included in this distribution in the file called "COPYING". If not,
see <http://www.gnu.org/licenses/>.
Contact Information
OpenAirInterface Admin: openair_admin@eurecom.fr
OpenAirInterface Tech : openair_tech@eurecom.fr
OpenAirInterface Dev : openair4g-devel@lists.eurecom.fr
Address : Eurecom, Compus SophiaTech 450, route des chappes, 06451 Biot, France.
*******************************************************************************/
/*****************************************************************************
Source usim_api.h
Version 0.1
Date 2012/10/09
Product NAS stack
Subsystem Application Programming Interface
Author Frederic Maurel
Description Implements the API used by the NAS layer to read/write
data to/from the USIM application
*****************************************************************************/
#include "usim_api.h"
#include "nas_log.h"
#include "memory.h"
#include "aka_functions.h"
#include <string.h> // memcpy, memset
#include <stdlib.h> // malloc, free
/****************************************************************************/
/**************** E X T E R N A L D E F I N I T I O N S ****************/
/****************************************************************************/
/****************************************************************************/
/******************* L O C A L D E F I N I T I O N S *******************/
/****************************************************************************/
/*
* The name of the file where are stored data of the USIM application
*/
#define USIM_API_NVRAM_FILENAME ".usim.nvram"
/*
* The name of the environment variable which defines the directory
* where the USIM application file is located
*/
#define USIM_API_NVRAM_DIRNAME "USIM_DIR"
/*
* Subscriber authentication security key
*/
#define USIM_API_K_SIZE 16
#define USIM_API_K_VALUE "8BAF473F2F8FD09487CCCBD7097C6862"
static uint8_t _usim_api_k[USIM_API_K_SIZE];
/*
* List of last used Sequence Numbers SQN
*/
static struct _usim_api_data_s {
/* Highest sequence number the USIM has ever accepted */
uint32_t sqn_ms;
/* List of the last used sequence numbers */
#define USIM_API_SQN_LIST_SIZE 32
uint8_t n_sqns;
uint32_t sqn[USIM_API_SQN_LIST_SIZE];
} _usim_api_data;
static uint8_t _usim_api_hex_char_to_hex_value (char c);
static void _usim_api_hex_string_to_hex_value (uint8_t *hex_value, const char *hex_string, int size);
static int _usim_api_check_sqn(uint32_t seq, uint8_t ind);
/****************************************************************************/
/****************** E X P O R T E D F U N C T I O N S ******************/
/****************************************************************************/
/****************************************************************************
** **
** Name: usim_api_read() **
** **
** Description: Reads data from the USIM application **
** **
** Inputs: None **
** Others: File where are stored USIM data **
** **
** Outputs: data: Pointer to the USIM application data **
** Return: RETURNerror, RETURNok **
** Others: None **
** **
***************************************************************************/
int usim_api_read(usim_data_t* data)
{
LOG_FUNC_IN;
/* Get USIM application pathname */
char* path = memory_get_path(USIM_API_NVRAM_DIRNAME,
USIM_API_NVRAM_FILENAME);
if (path == NULL) {
LOG_TRACE(ERROR, "USIM-API - Failed to get USIM pathname");
LOG_FUNC_RETURN (RETURNerror);
}
/* Read USIM application data */
if (memory_read(path, data, sizeof(usim_data_t)) != RETURNok) {
LOG_TRACE(ERROR, "USIM-API - %s file is either not valid "
"or not present", path);
free(path);
LOG_FUNC_RETURN (RETURNerror);
}
/* initialize the subscriber authentication security key */
_usim_api_hex_string_to_hex_value(_usim_api_k, USIM_API_K_VALUE, USIM_API_K_SIZE);
free(path);
LOG_FUNC_RETURN (RETURNok);
}
/****************************************************************************
** **
** Name: usim_api_write() **
** **
** Description: Writes data to the USIM application **
** **
** Inputs: data: Pointer to the USIM application data **
** Others: None **
** **
** Outputs: None **
** Return: RETURNerror, RETURNok **
** Others: None **
** **
***************************************************************************/
int usim_api_write(const usim_data_t* data)
{
LOG_FUNC_IN;
/* Get USIM application pathname */
char* path = memory_get_path(USIM_API_NVRAM_DIRNAME,
USIM_API_NVRAM_FILENAME);
if (path == NULL) {
LOG_TRACE(ERROR, "USIM-API - Failed to get USIM pathname");
LOG_FUNC_RETURN (RETURNerror);
}
/* Write USIM application data */
if (memory_write(path, data, sizeof(usim_data_t)) != RETURNok) {
LOG_TRACE(ERROR, "USIM-API - Unable to write USIM file %s", path);
free(path);
LOG_FUNC_RETURN (RETURNerror);
}
free(path);
LOG_FUNC_RETURN (RETURNok);
}
/****************************************************************************
** **
** Name: usim_api_authenticate() **
** **
** Description: Performs mutual authentication of the USIM to the network,**
** checking whether authentication token AUTN can be accep- **
** ted. If so, returns an authentication response RES and **
** the ciphering and integrity keys. **
** In case of synch failure, returns a re-synchronization **
** token AUTS. **
** **
** 3GPP TS 31.102, section 7.1.1.1 **
** **
** Authentication and key generating function algorithms are **
** specified in 3GPP TS 35.206. **
** **
** Inputs: rand_pP: Random challenge number **
** autn_pP: Authentication token **
** AUTN = (SQN xor AK) || AMF || MAC **
** 48 16 64 bits **
** Others: Security key **
** **
** Outputs: auts_pP: Re-synchronization token **
** res_pP: Authentication response **
** ck_pP: Ciphering key **
** ik_pP Integrity key **
** **
** Return: RETURNerror, RETURNok **
** Others: None **
** **
***************************************************************************/
int usim_api_authenticate(const OctetString* rand_pP, const OctetString* autn_pP,
OctetString* auts_pP, OctetString* res_pP,
OctetString* ck_pP, OctetString* ik_pP)
{
LOG_FUNC_IN;
int rc;
int i;
LOG_TRACE(DEBUG, "USIM-API - rand :%s",dump_octet_string(rand_pP));
LOG_TRACE(DEBUG, "USIM-API - autn :%s",dump_octet_string(autn_pP));
/* Compute the authentication response RES = f2K (RAND) */
/* Compute the cipher key CK = f3K (RAND) */
/* Compute the integrity key IK = f4K (RAND) */
/* Compute the anonymity key AK = f5K (RAND) */
#define USIM_API_AK_SIZE 6
u8 ak[USIM_API_AK_SIZE];
f2345(_usim_api_k, rand_pP->value,
res_pP->value, ck_pP->value, ik_pP->value, ak);
LOG_TRACE(DEBUG, "USIM-API - res(f2) :%s",dump_octet_string(res_pP));
LOG_TRACE(DEBUG, "USIM-API - ck(f3) :%s",dump_octet_string(ck_pP));
LOG_TRACE(DEBUG, "USIM-API - ik(f4) :%s",dump_octet_string(ik_pP));
LOG_TRACE(DEBUG, "USIM-API - ak(f5) : %02X%02X%02X%02X%02X%02X",
ak[0],ak[1],ak[2],ak[3],ak[4],ak[5]);
/* Retrieve the sequence number SQN = (SQN ⊕ AK) ⊕ AK */
#define USIM_API_SQN_SIZE USIM_API_AK_SIZE
u8 sqn[USIM_API_SQN_SIZE];
for (i = 0; i < USIM_API_SQN_SIZE; i++) {
sqn[i] = autn_pP->value[i] ^ ak[i];
}
LOG_TRACE(DEBUG, "USIM-API - Retrieved SQN %02X%02X%02X%02X%02X%02X",
sqn[0],sqn[1],sqn[2],sqn[3],sqn[4],sqn[5]);
/* Compute XMAC = f1K (SQN || RAND || AMF) */
#define USIM_API_XMAC_SIZE 8
u8 xmac[USIM_API_XMAC_SIZE];
f1(_usim_api_k, rand_pP->value, sqn, &autn_pP->value[USIM_API_SQN_SIZE], xmac);
LOG_TRACE(DEBUG,
"USIM-API - Computed XMAC %02X%02X%02X%02X%02X%02X%02X%02X",
xmac[0],xmac[1],xmac[2],xmac[3],
xmac[4],xmac[5],xmac[6],xmac[7]);
/* Compare the XMAC with the MAC included in AUTN */
#define USIM_API_AMF_SIZE 2
if ( memcmp(xmac, &autn_pP->value[USIM_API_SQN_SIZE + USIM_API_AMF_SIZE],
USIM_API_XMAC_SIZE) != 0 ) {
LOG_TRACE(INFO,
"USIM-API - Comparing the XMAC with the MAC included in AUTN Failed");
//LOG_FUNC_RETURN (RETURNerror);
} else {
LOG_TRACE(INFO,
"USIM-API - Comparing the XMAC with the MAC included in AUTN Succeeded");
}
/* Verify that the received sequence number SQN is in the correct range */
rc = _usim_api_check_sqn(*(uint32_t*)(sqn), sqn[USIM_API_SQN_SIZE - 1]);
if (rc != RETURNok) {
/* Synchronisation failure; compute the AUTS parameter */
/* Concealed value of the counter SQNms in the USIM:
* Conc(SQNMS) = SQNMS ⊕ f5*K(RAND) */
f5star(_usim_api_k, rand_pP->value, ak);
#define USIM_API_SQNMS_SIZE USIM_API_SQN_SIZE
u8 sqn_ms[USIM_API_SQNMS_SIZE];
memset(sqn_ms, 0, USIM_API_SQNMS_SIZE);
#define USIM_API_SQN_MS_SIZE 3
for (i = 0; i < USIM_API_SQN_MS_SIZE; i++) {
#warning "LG:BUG HERE TODO"
sqn_ms[USIM_API_SQNMS_SIZE - i] =
((uint8_t*)(_usim_api_data.sqn_ms))[USIM_API_SQN_MS_SIZE - i];
}
u8 sqnms[USIM_API_SQNMS_SIZE];
for (i = 0; i < USIM_API_SQNMS_SIZE; i++) {
sqnms[i] = sqn_ms[i] ^ ak[i];
}
LOG_TRACE(DEBUG, "USIM-API - SQNms %02X%02X%02X%02X%02X%02X",
sqnms[0],sqnms[1],sqnms[2],sqnms[3],sqnms[4],sqnms[5]);
/* Synchronisation message authentication code:
* MACS = f1*K(SQNMS || RAND || AMF) */
#define USIM_API_MACS_SIZE USIM_API_XMAC_SIZE
u8 macs[USIM_API_MACS_SIZE];
f1star(_usim_api_k, rand_pP->value, sqn_ms,
&rand_pP->value[USIM_API_SQN_SIZE], macs);
LOG_TRACE(DEBUG, "USIM-API - MACS %02X%02X%02X%02X%02X%02X%02X%02X",
macs[0],macs[1],macs[2],macs[3],
macs[4],macs[5],macs[6],macs[7]);
/* Synchronisation authentication token:
* AUTS = Conc(SQNMS) || MACS */
memcpy(&auts_pP->value[0], sqnms, USIM_API_SQNMS_SIZE);
memcpy(&auts_pP->value[USIM_API_SQNMS_SIZE], macs, USIM_API_MACS_SIZE);
}
LOG_FUNC_RETURN (RETURNok);
}
/****************************************************************************/
/********************* L O C A L F U N C T I O N S *********************/
/****************************************************************************/
/****************************************************************************
** **
** Name: _usim_api_hex_char_to_hex_value() **
** **
** Description: Converts an hexadecimal ASCII coded digit into its value. **
** **
** Inputs: c: A char holding the ASCII coded value **
** Others: None **
** **
** Outputs: None **
** Return: Converted value **
** Others: None **
** **
***************************************************************************/
static uint8_t _usim_api_hex_char_to_hex_value (char c)
{
if (c >= 'A') {
/* Remove case bit */
c &= ~('a' ^ 'A');
return (c - 'A' + 10);
} else {
return (c - '0');
}
}
/****************************************************************************
** **
** Name: _usim_api_hex_string_to_hex_value() **
** **
** Description: Converts an hexadecimal ASCII coded string into its value.**
** **
** Inputs: hex_value: A pointer to the location to store the **
** conversion result **
** size: The size of hex_value in bytes **
** Others: None **
** **
** Outputs: hex_value: Converted value **
** Return: None **
** Others: None **
** **
***************************************************************************/
static void _usim_api_hex_string_to_hex_value (uint8_t *hex_value, const char *hex_string, int size)
{
int i;
for (i=0; i < size; i++) {
hex_value[i] = (_usim_api_hex_char_to_hex_value(hex_string[2 * i]) << 4) | _usim_api_hex_char_to_hex_value(hex_string[2 * i + 1]);
}
}
/****************************************************************************
** **
** Name: _usim_api_check_sqn() **
** **
** Description: Verifies the freshness of sequence numbers to determine **
** whether the specified sequence number is in the correct **
** range and acceptabled by the USIM. **
** **
** 3GPP TS 33.102, Annex C.2 **
** **
** Inputs: seq: Sequence number value **
** ind: Index value **
** Others: None **
** **
** Outputs: None **
** Return: RETURNerror, RETURNok **
** Others: None **
** **
***************************************************************************/
static int _usim_api_check_sqn(uint32_t seq, uint8_t ind)
{
/* TODO */
return (RETURNok);
}
openair3/NAS/UE/API/USIM/usim_api.h
+355
View File
@@ -0,0 +1,355 @@
/*******************************************************************************
OpenAirInterface
Copyright(c) 1999 - 2014 Eurecom
OpenAirInterface is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenAirInterface is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with OpenAirInterface.The full GNU General Public License is
included in this distribution in the file called "COPYING". If not,
see <http://www.gnu.org/licenses/>.
Contact Information
OpenAirInterface Admin: openair_admin@eurecom.fr
OpenAirInterface Tech : openair_tech@eurecom.fr
OpenAirInterface Dev : openair4g-devel@lists.eurecom.fr
Address : Eurecom, Compus SophiaTech 450, route des chappes, 06451 Biot, France.
*******************************************************************************/
/*****************************************************************************
Source usim_api.h
Version 0.1
Date 2012/10/09
Product NAS stack
Subsystem Application Programming Interface
Author Frederic Maurel
Description Implements the API used by the NAS layer to read/write
data to/from the USIM application
*****************************************************************************/
#ifndef __USIM_API_H__
#define __USIM_API_H__
#include "commonDef.h"
#include "networkDef.h"
#include "OctetString.h"
/****************************************************************************/
/********************* G L O B A L C O N S T A N T S *******************/
/****************************************************************************/
/****************************************************************************/
/************************ G L O B A L T Y P E S ************************/
/****************************************************************************/
/*
* USIM TLV parameter structure
* ----------------------------
*/
#define USIM_TLV_T(SIZE) struct {uint8_t type; uint8_t length; Byte_t value[SIZE];}
/*
* Non Access Stratum Configuration
* --------------------------------
* TODO: To be encoded as BER-TLV
*/
typedef struct {
/* Determines the NAS signalling priority included in NAS
* messages */
#define USIM_NAS_SIGNALLING_PRIORITY_TAG 0x80U
USIM_TLV_T(1) NAS_SignallingPriority;
/* Indicates whether the "NMO I, Network Mode of Operation I"
* indication is applied by the UE */
#define USIM_NMO_I_BEHAVIOUR_TAG 0x81U
USIM_TLV_T(1) NMO_I_Behaviour;
/* Indicates whether attach with IMSI is performed when moving
* to a non-equivalent PLMN */
#define USIM_ATTACH_WITH_IMSI_TAG 0x82U
USIM_TLV_T(1) AttachWithImsi;
/* Minimum value in minutes for the timer T controlling the
* periodic search for higher prioritized PLMNs */
#define USIM_MINIMUM_PERIODIC_SEARCH_TIMER_TAG 0x83U
USIM_TLV_T(1) MinimumPeriodicSearchTimer;
/* Indicates whether the extended access barring is applicable
* for the UE */
#define USIM_EXTENDED_ACCESS_BARRING_TAG 0x84U
USIM_TLV_T(1) ExtendedAccessBarring;
/* Indicates whether the timer T3245 and the related
* functionality is used by the UE */
#define USIM_TIMER_T3245_BEHAVIOUR_TAG 0x85U
USIM_TLV_T(1) Timer_T3245_Behaviour;
} usim_nasconfig_t;
/*
* Ciphering and Integrity Keys
* ----------------------------
*/
typedef struct {
/* Key set identifier */
#define USIM_KSI_MIN 0b000
#define USIM_KSI_MAX 0b110
#define USIM_KSI_NOT_AVAILABLE 0b111
Byte_t ksi;
/* Cyphering key */
#define USIM_CK_SIZE 16
Byte_t ck[USIM_CK_SIZE];
/* Integrity key */
#define USIM_IK_SIZE 16
Byte_t ik[USIM_IK_SIZE];
} usim_keys_t;
/*
* EPS NAS Security Context
* ------------------------
* TODO: To be encoded as BER-TLV
*/
typedef struct {
/* Length of all subsequent data */
#define USIM_EPS_NAS_SECURITY_CONTEXT_TAG 0xA0U
uint8_t length;
/* Key set identifier KSI_ASME */
#define USIM_KSI_ASME_TAG 0x80U
USIM_TLV_T(1) KSIasme;
/* ASME key (K_ASME) */
#define USIM_K_ASME_TAG 0x81U
#define USIM_K_ASME_SIZE 32
USIM_TLV_T(USIM_K_ASME_SIZE) Kasme;
/* Uplink NAS count */
#define USIM_UL_NAS_COUNT_TAG 0x82U
#define USIM_UL_NAS_COUNT_SIZE 4
USIM_TLV_T(USIM_UL_NAS_COUNT_SIZE) ulNAScount;
/* Downlink NAS count */
#define USIM_DL_NAS_COUNT_TAG 0x83U
#define USIM_DL_NAS_COUNT_SIZE 4
USIM_TLV_T(USIM_DL_NAS_COUNT_SIZE) dlNAScount;
/* Identifiers of selected NAS integrity and encryption
* algorithms */
#define USIM_INT_ENC_ALGORITHMS_TAG 0x84U
#define USIM_INT_EIA0 0x00
#define USIM_INT_EIA1 0x01
#define USIM_INT_EIA2 0x02
#define USIM_INT_EIA3 0x03
#define USIM_INT_EIA4 0x04
#define USIM_INT_EIA5 0x05
#define USIM_INT_EIA6 0x06
#define USIM_INT_EIA7 0x07
#define USIM_ENC_EEA0 0x00
#define USIM_ENC_EEA1 0x10
#define USIM_ENC_EEA2 0x20
#define USIM_ENC_EEA3 0x30
#define USIM_ENC_EEA4 0x40
#define USIM_ENC_EEA5 0x50
#define USIM_ENC_EEA6 0x60
#define USIM_ENC_EEA7 0x70
USIM_TLV_T(1) algorithmID;
} usim_securityctx_t;
/*
* Subcriber's Number structure
* ----------------------------
*/
typedef struct {
Byte_t length; /* Length of BCD number/SSC contents */
msisdn_t number; /* Mobile subscriber dialing number */
Byte_t conf1_record_id; /* Configuration1 Record Identifier */
Byte_t ext1_record_id; /* Extension1 Record Identifier */
} usim_msisdn_t;
/*
* PLMN Network Name structure
* ---------------------------
*/
typedef struct {
/* PLMN Full Name */
#define USIM_PNN_FULLNAME_TAG 0x43U
#define USIM_PNN_FULLNAME_SIZE NET_FORMAT_LONG_SIZE
USIM_TLV_T(USIM_PNN_FULLNAME_SIZE) fullname;
/* PLMN Short Name */
#define USIM_PNN_SHORTNAME_TAG 0x45U
#define USIM_PNN_SHORTNAME_SIZE NET_FORMAT_SHORT_SIZE
USIM_TLV_T(USIM_PNN_SHORTNAME_SIZE) shortname;
} usim_pnn_t;
/*
* Operator PLMN List structure
* ----------------------------
*/
typedef struct {
/* Tracking Area Identity range */
plmn_t plmn;
tac_t start;
tac_t end;
/* PLMN Network Name Record Identifier */
uint8_t record_id;
} usim_opl_t;
/*
* PLMN with Access Technology structure
* -------------------------------------
*/
typedef struct {
plmn_t plmn;
#define USIM_ACT_GSM 0x8000
#define USIM_ACT_COMPACT 0x4000
#define USIM_ACT_CDMA_HRPD 0x2000
#define USIM_ACT_CDMA_1xRTT 0x1000
#define USIM_ACT_UTRAN 0x0080
#define USIM_ACT_EUTRAN 0x0040
uint16_t AcT;
} usim_plmn_act_t;
/*
* Location information structure
* ------------------------------
*/
typedef struct {
uint32_t tmsi; /* Temporary Mobile Subscriber Identity */
lai_t lai; /* Location Area Identity */
Byte_t reserved; /* Reserved for future use */
#define USIM_LOCI_UPDATED 0x00
#define USIM_LOCI_NOT_UPDATED 0x01
#define USIM_LOCI_PLMN_NOT_ALLOWED 0x02
#define USIM_LOCI_LA_NOT_ALLOWED 0x03
Byte_t status; /* Location update status */
} usim_loci_t;
/*
* Packet Switched location information structure
* ----------------------------------------------
*/
typedef struct {
uint32_t p_tmsi; /* Packet Temporary Mobile Subscriber Identity */
Byte_t signature[3]; /* P-TMSI signature value */
RAI_t rai; /* Routing Area Identity */
#define USIM_PSLOCI_UPDATED 0x00
#define USIM_PSLOCI_NOT_UPDATED 0x01
#define USIM_PSLOCI_PLMN_NOT_ALLOWED 0x02
#define USIM_PSLOCI_LA_NOT_ALLOWED 0x03
Byte_t status; /* Routing Area update status */
} usim_psloci_t;
/*
* EPS location information structure
* ----------------------------------
*/
typedef struct {
GUTI_t guti; /* Globally Unique Temporary UE Identity */
tai_t tai; /* Last visited registered Tracking Area Id */
#define USIM_EPSLOCI_UPDATED 0x00
#define USIM_EPSLOCI_NOT_UPDATED 0x01
#define USIM_EPSLOCI_ROAMING_NOT_ALLOWED 0x02
Byte_t status; /* EPS update status */
} usim_epsloci_t;
/*
* Administrative Data
* -------------------
* Defines information concerning the mode of operation according to the
* type of USIM, such as normal (to be used by PLMN subscribers for 3G
* operations), type approval (to allow specific use of the ME during
* type approval procedures of e.g. the radio equipment), cell testing
* (to allow testing of a cell before commercial use of this cell),
* manufacturer specific (to allow the ME manufacturer to perform specific
* proprietary auto-test in its ME during e.g. maintenance phases).
* It also provides an indication about how some ME features shall work
* during normal operation as well as information about the length of the
* MNC, which is part of the International Mobile Subscriber Identity (IMSI).
*/
typedef struct {
#define USIM_NORMAL_MODE 0x00U
#define USIM_TYPE_APPROVAL_MODE 0x80U
#define USIM_NORMAL_SPECIFIC_MODE 0x01U
#define USIM_TYPE_APPROVAL_SPECIFIC_MODE 0x81U
#define USIM_MAINTENANCE_MODE 0x02U
#define USIM_CELL_TEST_MODE 0x04U
Byte_t UE_Operation_Mode; /* Mode of operation for the UE */
uint16_t Additional_Info; /* Additional information depending on
* the UE operation mode */
Byte_t MNC_Length; /* Number of digits used for extracting
* the MNC from the IMSI */
} usim_ad_t;
/*
*---------------------------------------------------------------------------
* Structure of the data handled by the USIM application
*---------------------------------------------------------------------------
*/
typedef struct {
/*
* Mandatory USIM configuration parameters
* ---------------------------------------
*/
imsi_t imsi; /* International Mobile Subscriber Identity */
usim_keys_t keys; /* Ciphering and Integrity Keys */
Byte_t hpplmn; /* Higher Priority PLMN search period */
#define USIM_FPLMN_MAX 4
plmn_t fplmn[USIM_FPLMN_MAX]; /* List of Forbidden PLMNs */
usim_loci_t loci; /* Location Information */
usim_psloci_t psloci; /* PS Location Information */
usim_ad_t ad; /* Administrative Data */
/*
* Optional USIM configuration parameters
* --------------------------------------
*/
/* EPS NAS security context */
usim_securityctx_t securityctx;
/* Subcriber's Number */
usim_msisdn_t msisdn;
/* PLMN Network Name */
#define USIM_PNN_MAX 8
usim_pnn_t pnn[USIM_PNN_MAX];
/* Operator PLMN List */
#define USIM_OPL_MAX USIM_PNN_MAX
usim_opl_t opl[USIM_OPL_MAX];
/* List of Equivalent HPLMNs */
#define USIM_EHPLMN_MAX 2
plmn_t ehplmn[USIM_EHPLMN_MAX];
/* Home PLMN Selector with Access Technology */
usim_plmn_act_t hplmn;
/* User controlled PLMN Selector with Access Technology */
#define USIM_PLMN_MAX 8
usim_plmn_act_t plmn[USIM_PLMN_MAX];
/* Operator controlled PLMN Selector with Access Technology */
#define USIM_OPLMN_MAX 8
usim_plmn_act_t oplmn[USIM_OPLMN_MAX];
/* EPS Location Information */
usim_epsloci_t epsloci;
/* Non-Access Stratum configuration */
usim_nasconfig_t nasconfig;
} usim_data_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 ******************/
/****************************************************************************/
int usim_api_read(usim_data_t* data);
int usim_api_write(const usim_data_t* data);
int usim_api_authenticate(const OctetString* rand, const OctetString* autn,
OctetString* auts, OctetString* res,
OctetString* ck, OctetString* ik);
#endif /* __USIM_API_H__*/