Harald Welte | 158a7ca | 2018-02-16 18:11:31 +0100 | [diff] [blame] | 1 | module L3_Common { |
| 2 | |
| 3 | import from Osmocom_Types all; |
| 4 | import from General_Types all; |
Harald Welte | 5a4fa04 | 2018-02-16 20:59:21 +0100 | [diff] [blame] | 5 | import from MobileL3_GMM_SM_Types all; |
Harald Welte | 158a7ca | 2018-02-16 18:11:31 +0100 | [diff] [blame] | 6 | |
| 7 | type record AuthVector { |
| 8 | OCT16 rand, |
| 9 | OCT4 sres, |
Neels Hofmeyr | 0ecb2e3 | 2018-04-30 15:13:55 +0200 | [diff] [blame] | 10 | OCT8 kc, |
| 11 | OCT16 ik, |
| 12 | OCT16 ck, |
| 13 | OCT16 autn, |
| 14 | OCT8 res |
Harald Welte | 158a7ca | 2018-02-16 18:11:31 +0100 | [diff] [blame] | 15 | } |
| 16 | |
| 17 | private function f_rnd_oct(integer len) return octetstring { |
| 18 | var integer i; |
| 19 | var octetstring res; |
| 20 | for (i := 0; i < len; i := i + 1) { |
| 21 | res[i] := int2oct(float2int(rnd()*256.0), 1); |
| 22 | } |
| 23 | return res; |
| 24 | } |
| 25 | |
| 26 | function f_gen_auth_vec_2g() return AuthVector { |
| 27 | var AuthVector vec; |
| 28 | vec.rand := f_rnd_oct(16); |
| 29 | vec.sres := f_rnd_oct(4); |
| 30 | vec.kc := f_rnd_oct(8); |
| 31 | return vec; |
| 32 | } |
| 33 | |
Neels Hofmeyr | 0ecb2e3 | 2018-04-30 15:13:55 +0200 | [diff] [blame] | 34 | function f_gen_auth_vec_3g() return AuthVector { |
| 35 | var AuthVector vec := f_gen_auth_vec_2g(); |
| 36 | vec.ik := f_rnd_oct(16); |
| 37 | vec.ck := f_rnd_oct(16); |
| 38 | vec.autn := f_rnd_oct(16); |
| 39 | vec.res := f_rnd_oct(8); |
| 40 | return vec; |
| 41 | } |
| 42 | |
Harald Welte | 14a0f94 | 2018-02-16 20:42:23 +0100 | [diff] [blame] | 43 | /* 3GPP TS 23.003 2.6 */ |
| 44 | type enumerated TlliType { |
| 45 | TLLI_LOCAL, |
| 46 | TLLI_FOREIGN, |
| 47 | TLLI_RANDOM, |
| 48 | TLLI_AUXILIARY, |
| 49 | TLLI_RESERVED, |
| 50 | TLLI_G_RNTI, |
| 51 | TLLI_RAND_G_RNTI |
| 52 | } |
| 53 | |
| 54 | /* 3GPP TS 23.003 2.6 */ |
| 55 | function f_gprs_tlli_type(OCT4 tlli) return TlliType { |
| 56 | var bitstring tllib := oct2bit(tlli); |
| 57 | if (substr(tllib, 0, 2) == '11'B) { |
| 58 | return TLLI_LOCAL; |
| 59 | } else if (substr(tllib, 0, 2) == '10'B) { |
| 60 | return TLLI_FOREIGN; |
| 61 | } else if (substr(tllib, 0, 5) == '01111'B) { |
| 62 | return TLLI_RANDOM; |
| 63 | } else if (substr(tllib, 0, 4) == '0110'B) { |
| 64 | return TLLI_RESERVED; |
| 65 | } else if (substr(tllib, 0, 3) == '010'B) { |
| 66 | return TLLI_RESERVED; |
| 67 | } else if (substr(tllib, 0, 4) == '0000'B) { |
| 68 | return TLLI_G_RNTI; |
| 69 | } else if (substr(tllib, 0, 4) == '0001'B) { |
| 70 | return TLLI_RAND_G_RNTI; |
| 71 | } else { |
| 72 | setverdict(fail, "Unknonw TLLI Type ", tllib); |
| 73 | self.stop; |
| 74 | } |
| 75 | } |
| 76 | |
| 77 | function f_gprs_tlli_random() return OCT4 { |
| 78 | var OCT4 tlli := f_rnd_octstring(4); |
| 79 | return tlli or4b 'c0000000'O; |
| 80 | } |
| 81 | |
Harald Welte | 5a4fa04 | 2018-02-16 20:59:21 +0100 | [diff] [blame] | 82 | function f_RAI(HEX0_3n mcc, HEX0_3n mnc, OCT2 lac, OCT1 rac) return RoutingAreaIdentificationV { |
| 83 | if (lengthof(mnc) == 2) { |
| 84 | mnc := mnc & 'F'H; |
| 85 | } |
| 86 | var RoutingAreaIdentificationV ret := { |
| 87 | mccDigit1 := mcc[0], |
| 88 | mccDigit2 := mcc[1], |
| 89 | mccDigit3 := mcc[2], |
| 90 | mncDigit3 := mnc[2], |
| 91 | mncDigit1 := mnc[0], |
| 92 | mncDigit2 := mnc[1], |
| 93 | lac := lac, |
| 94 | rac := rac |
| 95 | } |
| 96 | return ret; |
| 97 | } |
Harald Welte | 158a7ca | 2018-02-16 18:11:31 +0100 | [diff] [blame] | 98 | |
Neels Hofmeyr | 8df7d15 | 2018-03-14 19:03:28 +0100 | [diff] [blame] | 99 | function f_RAI_to_plmn_hexstr(RoutingAreaIdentificationV rai) return hexstring { |
| 100 | var hexstring plmn := |
| 101 | rai.mccDigit1 |
| 102 | & rai.mccDigit2 |
| 103 | & rai.mccDigit3 |
| 104 | & rai.mncDigit1 |
| 105 | & rai.mncDigit2 |
| 106 | & rai.mncDigit3; |
| 107 | return plmn; |
| 108 | } |
Harald Welte | 158a7ca | 2018-02-16 18:11:31 +0100 | [diff] [blame] | 109 | |
| 110 | } |