1 | #include "globals.h"
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2 | #include "reader-common.h"
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3 | #include "cscrypt/idea.h"
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4 | #include <termios.h>
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5 | #include <unistd.h>
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6 |
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7 | IDEA_KEY_SCHEDULE ksSession;
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8 | int is_pure_nagra=0;
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9 | int is_tiger=0;
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10 | int has_dt08=0;
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11 | int swapCW=0;
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12 | unsigned char rom[15];
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13 | unsigned char plainDT08RSA[64];
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14 | unsigned char IdeaCamKey[16];
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15 | unsigned char irdId[] = {0xff,0xff,0xff,0xff};
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16 | unsigned char sessi[16];
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17 | unsigned char signature[8];
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18 | unsigned char cam_state[3];
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19 |
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20 | // Card Status checks
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21 | #define HAS_CW() ((cam_state[2]&6)==6)
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22 | #define RENEW_SESSIONKEY() ((cam_state[0]&128)==128 || (cam_state[0]&64)==64 || (cam_state[0]&32)==32 || (cam_state[2]&8)==8)
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23 | #define SENDDATETIME() (cam_state[0]&8)
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24 | // Datatypes
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25 | #define DT01 0x01
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26 | #define IRDINFO 0x00
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27 | #define TIERS 0x05
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28 | #define DT06 0x06
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29 | #define CAMDATA 0x08
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30 |
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31 | #define MAX_REC 20
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32 | #define SYSTEM_NAGRA 0x1800
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33 | #define SYSTEM_MASK 0xFF00
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34 |
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35 |
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36 | static time_t tier_date(ulong date, char *buf, int l)
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37 | {
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38 | time_t ut=870393600L+date*(24*3600);
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39 | if (buf)
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40 | {
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41 | struct tm *t;
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42 | t=gmtime(&ut);
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43 | snprintf(buf, l, "%04d/%02d/%02d", t->tm_year+1900, t->tm_mon+1, t->tm_mday);
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44 | }
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45 | return(ut);
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46 | }
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47 |
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48 | static int do_cmd(struct s_reader * reader, unsigned char cmd, int ilen, unsigned char res, int rlen, unsigned char *data, unsigned char * cta_res, unsigned short * p_cta_lr)
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49 | {
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50 | /*
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51 | here we build the command related to the protocol T1 for ROM142 or T14 for ROM181
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52 | the only different that i know is the command length byte msg[4], this msg[4]+=1 by a ROM181 smartcard (_nighti_)
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53 | one example for the cmd$C0
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54 | T14 protocol: 01 A0 CA 00 00 03 C0 00 06 91
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55 | T1 protocol: 21 00 08 A0 CA 00 00 02 C0 00 06 87
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56 | */
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57 | int msglen=ilen+6;
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58 | unsigned char msg[msglen];
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59 | static char nagra_head[] = {0xA0, 0xCA, 0x00, 0x00};
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60 |
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61 | memset(msg, 0, msglen);
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62 | memcpy(msg,nagra_head,4);
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63 | msg[4] = ilen;
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64 | msg[5] = cmd;
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65 | int dlen=ilen-2;
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66 | msg[6] = dlen;
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67 | if(data && dlen>0) memcpy(msg+7,data,dlen);
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68 | msg[dlen+7] = rlen;
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69 | if (dlen<0)
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70 | {
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71 | cs_debug("[nagra-reader] invalid data length encountered");
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72 | return ERROR;
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73 | }
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74 | if (is_pure_nagra==1)
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75 | {
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76 | msg[4]+=1;
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77 | }
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78 | if(!reader_cmd2icc(reader, msg,msglen, cta_res, p_cta_lr))
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79 | {
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80 | cs_sleepms(5);
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81 | if(cta_res[0]!=res)
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82 | {
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83 | cs_debug("[nagra-reader] result not expected (%02x != %02x)",cta_res[0],res);
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84 | return ERROR;
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85 | }
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86 | if((*p_cta_lr-2)!=rlen)
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87 | {
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88 | cs_debug("[nagra-reader] result length expected (%d != %d)",(*p_cta_lr-2),rlen);
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89 | return ERROR;
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90 | }
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91 | return *p_cta_lr;
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92 | }
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93 | return ERROR;
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94 | }
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95 |
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96 | static void ReverseMem(unsigned char *vIn, int len)
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97 | {
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98 | unsigned char temp;
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99 | int i;
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100 | for(i=0; i < (len/2); i++)
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101 | {
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102 | temp = vIn[i];
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103 | vIn[i] = vIn[len-i-1];
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104 | vIn[len-i-1] = temp;
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105 | }
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106 | }
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107 |
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108 | static void Signature(unsigned char *sig, const unsigned char *vkey,const unsigned char *msg, int len)
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109 | {
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110 | IDEA_KEY_SCHEDULE ks;
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111 | unsigned char v[8];
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112 | unsigned char b200[16];
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113 | unsigned char b0f0[8];
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114 | memcpy(b200,vkey,sizeof(b200));
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115 | int i;
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116 | int j;
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117 | for(i=0; i<len; i+=8)
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118 | {
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119 | idea_set_encrypt_key(b200,&ks);
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120 | memset(v,0,sizeof(v));
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121 | idea_cbc_encrypt(msg+i,b0f0,8,&ks,v,IDEA_DECRYPT);
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122 | for(j=7; j>=0; j--) b0f0[j]^=msg[i+j];
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123 | memcpy(b200+0,b0f0,8);
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124 | memcpy(b200+8,b0f0,8);
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125 | }
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126 | memcpy(sig,b0f0,8);
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127 | return;
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128 | }
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129 |
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130 | static int CamStateRequest(struct s_reader * reader)
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131 | {
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132 | def_resp;
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133 | if(do_cmd(reader, 0xC0,0x02,0xB0,0x06,NULL,cta_res,&cta_lr))
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134 | {
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135 | memcpy(cam_state,cta_res+3,3);
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136 | cs_debug("[nagra-reader] Camstate: %s",cs_hexdump (1, cam_state, 3));
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137 | }
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138 | else
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139 | {
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140 | cs_debug("[nagra-reader] CamStateRequest failed");
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141 | return ERROR;
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142 | }
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143 | return OK;
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144 | }
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145 |
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146 | static void DateTimeCMD(struct s_reader * reader)
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147 | {
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148 | def_resp;
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149 | if (!do_cmd(reader, 0xC8,0x02,0xB8,0x06,NULL,cta_res,&cta_lr))
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150 | {
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151 | cs_debug("[nagra-reader] DateTimeCMD failed!");
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152 | }
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153 |
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154 | }
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155 |
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156 | static int NegotiateSessionKey_Tiger(struct s_reader * reader)
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157 | {
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158 | def_resp;
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159 | unsigned char vFixed[] = {0,1,2,3,0x11};
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160 | unsigned char parte_fija[120];
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161 | unsigned char parte_variable[88];
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162 | unsigned char d1_rsa_modulo[88];
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163 | unsigned char d2_data[88];
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164 | unsigned char sign1[8];
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165 | unsigned char sk[16];
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166 | unsigned char tmp[104];
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167 | unsigned char idea_sig[16];
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168 | unsigned char random[88];
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169 |
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170 | if(!do_cmd(reader, 0xd1,0x02,0x51,0xd2,NULL,cta_res,&cta_lr))
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171 | {
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172 | cs_debug("[nagra-reader] CMD$D1 failed");
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173 | return ERROR;
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174 | }
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175 |
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176 | BN_CTX *ctx = BN_CTX_new();
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177 | BIGNUM *bnN = BN_CTX_get(ctx);
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178 | BIGNUM *bnE = BN_CTX_get(ctx);
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179 | BIGNUM *bnCT = BN_CTX_get(ctx);
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180 | BIGNUM *bnPT = BN_CTX_get(ctx);
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181 | BN_bin2bn(reader->rsa_mod, 120, bnN);
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182 | BN_bin2bn(vFixed+4, 1, bnE);
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183 | BN_bin2bn(&cta_res[90], 120, bnCT);
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184 | BN_mod_exp(bnPT, bnCT, bnE, bnN, ctx);
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185 | memset(parte_fija, 0, 120);
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186 | BN_bn2bin(bnPT, parte_fija + (120-BN_num_bytes(bnPT)));
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187 | BN_CTX_end(ctx);
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188 | BN_CTX_free (ctx);
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189 |
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190 | cs_debug("[nagra-reader] ---------- SIG CHECK ---------------------");
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191 | memset(tmp,0, 104);
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192 | memcpy(tmp+4, parte_fija+11, 100);
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193 | memset(idea_sig, 0x37, 16);
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194 | Signature(sign1, idea_sig, tmp, 104);
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195 | cs_debug("[nagra-reader] sign1: %s", cs_hexdump (0, sign1, 8));
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196 | cs_debug("[nagra-reader] sign2: %s", cs_hexdump (0, parte_fija+111, 8));
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197 | if (!memcmp (parte_fija+111, sign1, 8)==0)
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198 | {
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199 | cs_debug("[nagra-reader] signature check nok");
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200 | cs_debug("[nagra-reader] ------------------------------------------");
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201 | return ERROR;
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202 | }
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203 | cs_debug("[nagra-reader] signature check ok");
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204 | cs_debug("[nagra-reader] ------------------------------------------");
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205 |
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206 | memcpy(reader->hexserial+2, parte_fija+15, 4);
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207 | memcpy(irdId, parte_fija+19, 4);
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208 | memcpy(d1_rsa_modulo,parte_fija+23,88);
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209 |
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210 | ReverseMem(cta_res+2, 88);
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211 | BN_CTX *ctx1 = BN_CTX_new();
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212 | BIGNUM *bnN1 = BN_CTX_get(ctx1);
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213 | BIGNUM *bnE1 = BN_CTX_get(ctx1);
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214 | BIGNUM *bnCT1 = BN_CTX_get(ctx1);
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215 | BIGNUM *bnPT1 = BN_CTX_get(ctx1);
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216 | BN_bin2bn(d1_rsa_modulo, 88, bnN1);
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217 | BN_bin2bn(vFixed+4, 1, bnE1);
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218 | BN_bin2bn(cta_res+2, 88, bnCT1);
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219 | BN_mod_exp(bnPT1, bnCT1, bnE1, bnN1, ctx1);
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220 | memset(parte_variable, 0, 88);
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221 | BN_bn2bin(bnPT1, parte_variable + (88-BN_num_bytes(bnPT1)));
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222 | BN_CTX_end(ctx1);
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223 | BN_CTX_free (ctx1);
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224 |
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225 | reader->prid[0][0]=0x00;
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226 | reader->prid[0][1]=0x00;
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227 | reader->prid[0][2]=parte_variable[73];
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228 | reader->prid[0][3]=parte_variable[74];
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229 | reader->caid[0] =(SYSTEM_NAGRA|parte_variable[76]);
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230 | memcpy(sk,&parte_variable[79],8);
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231 | memcpy(sk+8,&parte_variable[79],8);
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232 | cs_ri_log(reader, "type: NAGRA, caid: %04X, IRD ID: %s",reader->caid[0], cs_hexdump (1,irdId,4));
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233 | cs_ri_log(reader, "ProviderID: %s",cs_hexdump (1,reader->prid[0],4));
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234 |
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235 | memset(random, 0, 88);
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236 | memcpy(random, sk,16);
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237 | ReverseMem(random, 88);
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238 |
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239 |
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240 | BN_CTX *ctx3 = BN_CTX_new();
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241 | BIGNUM *bnN3 = BN_CTX_get(ctx3);
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242 | BIGNUM *bnE3 = BN_CTX_get(ctx3);
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243 | BIGNUM *bnCT3 = BN_CTX_get(ctx3);
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244 | BIGNUM *bnPT3 = BN_CTX_get(ctx3);
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245 | BN_bin2bn(d1_rsa_modulo, 88, bnN3);
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246 | BN_bin2bn(vFixed+4, 1, bnE3);
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247 | BN_bin2bn(random, 88, bnCT3);
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248 | BN_mod_exp(bnPT3, bnCT3, bnE3, bnN3, ctx3);
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249 | memset(d2_data, 0, 88);
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250 | BN_bn2bin(bnPT3, d2_data + (88-BN_num_bytes(bnPT3)));
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251 | BN_CTX_end(ctx3);
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252 | BN_CTX_free (ctx3);
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253 | ReverseMem(d2_data, 88);
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254 |
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255 | if(!do_cmd(reader, 0xd2,0x5a,0x52,0x03, d2_data,cta_res,&cta_lr))
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256 | {
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257 | cs_debug("[nagra-reader] CMD$D2 failed");
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258 | return ERROR;
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259 | }
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260 | if (cta_res[2] == 0x00)
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261 | {
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262 | memcpy(sessi,sk,16);
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263 | IDEA_KEY_SCHEDULE ks;
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264 | idea_set_encrypt_key(sessi,&ks);
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265 | idea_set_decrypt_key(&ks,&ksSession);
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266 | cs_debug("[nagra-reader] session key negotiated");
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267 | return OK;
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268 | }
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269 | cs_ri_log(reader, "Negotiate sessionkey was not successfull! Please check tivusat rsa key");
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270 | return ERROR;
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271 |
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272 | }
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273 |
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274 | static int NegotiateSessionKey(struct s_reader * reader)
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275 | {
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276 | def_resp;
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277 | unsigned char cmd2b[] = {0x21, 0x40, 0x48, 0xA0, 0xCA, 0x00, 0x00, 0x43, 0x2B, 0x40, 0x1C, 0x54, 0xd1, 0x26, 0xe7, 0xe2, 0x40, 0x20, 0xd1, 0x66, 0xf4, 0x18, 0x97, 0x9d, 0x5f, 0x16, 0x8f, 0x7f, 0x7a, 0x55, 0x15, 0x82, 0x31, 0x14, 0x06, 0x57, 0x1a, 0x3f, 0xf0, 0x75, 0x62, 0x41, 0xc2, 0x84, 0xda, 0x4c, 0x2e, 0x84, 0xe9, 0x29, 0x13, 0x81, 0xee, 0xd6, 0xa9, 0xf5, 0xe9, 0xdb, 0xaf, 0x22, 0x51, 0x3d, 0x44, 0xb3, 0x20, 0x83, 0xde, 0xcb, 0x5f, 0x35, 0x2b, 0xb0, 0xce, 0x70, 0x02, 0x00};
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278 | unsigned char negot[64];
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279 | unsigned char tmp[64];
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280 | unsigned char idea1[16];
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281 | unsigned char idea2[16];
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282 | unsigned char sign1[8];
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283 | unsigned char sign2[8];
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284 |
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285 | if (is_tiger)
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286 | {
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287 | if (!NegotiateSessionKey_Tiger(reader))
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288 | {
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289 | cs_debug("[nagra-reader] NegotiateSessionKey_Tiger failed");
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290 | return ERROR;
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291 | }
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292 | return OK;
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293 | }
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294 | if (!has_dt08) // if we have no valid dt08 calc then we use rsa from config and hexserial for calc of sessionkey
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295 | {
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296 | memcpy(plainDT08RSA, reader->rsa_mod, 64);
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297 | memcpy(signature,reader->nagra_boxkey, 8);
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298 | }
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299 | if(!do_cmd(reader, 0x2a,0x02,0xaa,0x42,NULL,cta_res,&cta_lr))
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300 | {
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301 | cs_debug("[nagra-reader] CMD$2A failed");
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302 | return ERROR;
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303 | }
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304 |
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305 | // RSA decrypt of cmd$2a data, result is stored in "negot"
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306 | ReverseMem(cta_res+2, 64);
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307 | unsigned char vFixed[] = {0,1,2,3};
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308 | BN_CTX *ctx = BN_CTX_new();
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309 | BIGNUM *bnN = BN_CTX_get(ctx);
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310 | BIGNUM *bnE = BN_CTX_get(ctx);
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311 | BIGNUM *bnCT = BN_CTX_get(ctx);
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312 | BIGNUM *bnPT = BN_CTX_get(ctx);
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313 | BN_bin2bn(plainDT08RSA, 64, bnN);
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314 | BN_bin2bn(vFixed+3, 1, bnE);
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315 | BN_bin2bn(cta_res+2, 64, bnCT);
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316 | BN_mod_exp(bnPT, bnCT, bnE, bnN, ctx);
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317 | memset(negot, 0, 64);
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318 | BN_bn2bin(bnPT, negot + (64-BN_num_bytes(bnPT)));
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319 |
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320 | memcpy(tmp, negot, 64);
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321 | ReverseMem(tmp, 64);
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322 |
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323 | // build sessionkey
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324 | // first halve is IDEA Hashed in chuncs of 8 bytes using the Signature1 from dt08 calc, CamID-Inv.CamID(16 bytes key) the results are the First 8 bytes of the Session key
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325 | memcpy(idea1, signature, 8);
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326 | memcpy(idea1+8, reader->hexserial+2, 4);
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327 | idea1[12] = ~reader->hexserial[2]; idea1[13] = ~reader->hexserial[3]; idea1[14] = ~reader->hexserial[4]; idea1[15] = ~reader->hexserial[5];
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328 |
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329 | Signature(sign1, idea1, tmp, 32);
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330 | memcpy(idea2,sign1,8); memcpy(idea2+8,sign1,8);
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331 | Signature(sign2, idea2, tmp, 32);
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332 | memcpy(sessi,sign1,8); memcpy(sessi+8,sign2,8);
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333 |
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334 | // prepare cmd$2b data
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335 | BN_bin2bn(negot, 64, bnCT);
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336 | BN_mod_exp(bnPT, bnCT, bnE, bnN, ctx);
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337 | memset(cmd2b+10, 0, 64);
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338 | BN_bn2bin(bnPT, cmd2b+10 + (64-BN_num_bytes(bnPT)));
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339 | BN_CTX_end(ctx);
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340 | BN_CTX_free (ctx);
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341 | ReverseMem(cmd2b+10, 64);
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342 |
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343 | IDEA_KEY_SCHEDULE ks;
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344 | idea_set_encrypt_key(sessi,&ks);
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345 | idea_set_decrypt_key(&ks,&ksSession);
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346 |
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347 | if(!do_cmd(reader, 0x2b,0x42,0xab,0x02, cmd2b+10,cta_res,&cta_lr))
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348 | {
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349 | cs_debug("[nagra-reader] CMD$2B failed");
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350 | return ERROR;
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351 | }
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352 |
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353 | cs_debug("[nagra-reader] session key negotiated");
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354 |
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355 | DateTimeCMD(reader);
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356 |
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357 | if (!CamStateRequest(reader))
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358 | {
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359 | cs_debug("[nagra-reader] CamStateRequest failed");
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360 | return ERROR;
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361 | }
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362 | if RENEW_SESSIONKEY()
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363 | {
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364 | cs_ri_log(reader, "Negotiate sessionkey was not successfull! Please check rsa key and boxkey");
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365 | return ERROR;
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366 | }
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367 |
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368 | return OK;
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369 | }
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370 |
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371 | static void decryptDT08(struct s_reader * reader, unsigned char * cta_res)
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372 | {
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373 | unsigned char vFixed[] = {0,1,2,3};
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374 | unsigned char v[72];
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375 | unsigned char buf[72];
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376 | unsigned char sign2[8];
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377 | unsigned char static_dt08[73];
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378 | unsigned char camid[4];
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379 | int i, n;
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380 | BN_CTX *ctx;
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381 | BIGNUM *bn_mod, *bn_exp, *bn_data, *bn_res;
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382 |
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383 | memcpy(static_dt08, &cta_res[12], 73);
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384 | // decrypt RSA Part of dt08
|
---|
385 | bn_mod = BN_new ();
|
---|
386 | bn_exp = BN_new ();
|
---|
387 | bn_data = BN_new ();
|
---|
388 | bn_res = BN_new ();
|
---|
389 | ctx= BN_CTX_new();
|
---|
390 | if (ctx == NULL) cs_debug("[nagra-reader] RSA Error in dt08 decrypt");
|
---|
391 | ReverseMem(static_dt08+1, 64);
|
---|
392 | BN_bin2bn (reader->rsa_mod, 64, bn_mod); // rsa modulus
|
---|
393 | BN_bin2bn (vFixed+3, 1, bn_exp); // exponent
|
---|
394 | BN_bin2bn (static_dt08+1, 64, bn_data);
|
---|
395 | BN_mod_exp (bn_res, bn_data, bn_exp, bn_mod, ctx);
|
---|
396 | memset (static_dt08+1, 0, 64);
|
---|
397 | n = BN_bn2bin (bn_res, static_dt08+1);
|
---|
398 | BN_CTX_free (ctx);
|
---|
399 | ReverseMem(static_dt08+1, n);
|
---|
400 |
|
---|
401 | // RSA data can never be bigger than the modulo
|
---|
402 | static_dt08[64] |= static_dt08[0] & 0x80;
|
---|
403 |
|
---|
404 | // IdeaCamKey
|
---|
405 | memcpy (&IdeaCamKey[0], reader->nagra_boxkey, 8);
|
---|
406 | memcpy (&IdeaCamKey[8], irdId, 4);
|
---|
407 | for (i = 0; i < 4; i++)
|
---|
408 | IdeaCamKey[12 + i] = ~irdId[i];
|
---|
409 |
|
---|
410 | // now IDEA decrypt
|
---|
411 | IDEA_KEY_SCHEDULE ks;
|
---|
412 | idea_set_encrypt_key(IdeaCamKey,&ks);
|
---|
413 | idea_set_decrypt_key(&ks,&ksSession);
|
---|
414 | memcpy (&buf[0], static_dt08+1, 64);
|
---|
415 | memcpy (&buf[64], static_dt08+65, 8);
|
---|
416 | memset(v,0,sizeof(v));
|
---|
417 | memset(static_dt08,0,sizeof(static_dt08));
|
---|
418 | idea_cbc_encrypt(buf,static_dt08,72,&ksSession,v,IDEA_DECRYPT);
|
---|
419 |
|
---|
420 | if (swapCW==1)
|
---|
421 | {
|
---|
422 | memset(camid,0xff,4);
|
---|
423 | }
|
---|
424 | else
|
---|
425 | {
|
---|
426 | memcpy(camid, reader->hexserial+2,4);
|
---|
427 | }
|
---|
428 | cs_debug("[nagra-reader] using camid %s for dt08 calc",cs_hexdump (1,camid,4));
|
---|
429 |
|
---|
430 | // Calculate signature
|
---|
431 | memcpy (signature, static_dt08, 8);
|
---|
432 | memset (static_dt08 + 0, 0, 4);
|
---|
433 | memcpy (static_dt08 + 4, camid, 4);
|
---|
434 | Signature(sign2,IdeaCamKey,static_dt08,72);
|
---|
435 |
|
---|
436 | if (memcmp (signature, sign2, 8)==0)
|
---|
437 | {
|
---|
438 | has_dt08=1;
|
---|
439 | memcpy (plainDT08RSA, static_dt08+8, 64);
|
---|
440 | cs_debug("[nagra-reader] DT08 signature check ok");
|
---|
441 | }
|
---|
442 | else
|
---|
443 | {
|
---|
444 | has_dt08=0;
|
---|
445 | cs_debug("[nagra-reader] DT08 signature check nok");
|
---|
446 | }
|
---|
447 | }
|
---|
448 |
|
---|
449 | static void addProvider(struct s_reader * reader, unsigned char * cta_res)
|
---|
450 | {
|
---|
451 | int i;
|
---|
452 | int toadd=1;
|
---|
453 | for (i=0; i<reader->nprov; i++)
|
---|
454 | {
|
---|
455 | if ((cta_res[7]==reader->prid[i][2]) && (cta_res[8]==reader->prid[i][3]))
|
---|
456 | {
|
---|
457 | toadd = 0;
|
---|
458 | }
|
---|
459 | }
|
---|
460 | if (toadd)
|
---|
461 | {
|
---|
462 | reader->prid[reader->nprov][0]=0;
|
---|
463 | reader->prid[reader->nprov][1]=0;
|
---|
464 | reader->prid[reader->nprov][2]=cta_res[7];
|
---|
465 | reader->prid[reader->nprov][3]=cta_res[8];
|
---|
466 | memcpy(reader->sa[reader->nprov], reader->sa[0], 4);
|
---|
467 | reader->nprov+=1;
|
---|
468 | }
|
---|
469 | }
|
---|
470 |
|
---|
471 | static int ParseDataType(struct s_reader * reader, unsigned char dt, unsigned char * cta_res, unsigned short cta_lr)
|
---|
472 | {
|
---|
473 | char ds[16], de[16];
|
---|
474 | ushort chid;
|
---|
475 | switch(dt)
|
---|
476 | {
|
---|
477 | case IRDINFO:
|
---|
478 | {
|
---|
479 | reader->prid[0][0]=0;
|
---|
480 | reader->prid[0][1]=0;
|
---|
481 | reader->prid[0][2]=cta_res[7];
|
---|
482 | reader->prid[0][3]=cta_res[8];
|
---|
483 | if ( ((cta_res[7] == 0x34) && (cta_res[8] == 0x11)) || ((cta_res[7] == 0x04) && (cta_res[8] == 0x01))) //provider 3411, 0401 needs cw swap
|
---|
484 | {
|
---|
485 | cs_debug("[nagra-reader] detect provider with swap cw!");
|
---|
486 | swapCW=1;
|
---|
487 | }
|
---|
488 |
|
---|
489 | reader->prid[1][0]=0x00;
|
---|
490 | reader->prid[1][1]=0x00;
|
---|
491 | reader->prid[1][2]=0x00;
|
---|
492 | reader->prid[1][3]=0x00;
|
---|
493 | memcpy(reader->sa[1], reader->sa[0], 4);
|
---|
494 | reader->nprov+=1;
|
---|
495 |
|
---|
496 | reader->caid[0] =(SYSTEM_NAGRA|cta_res[11]);
|
---|
497 | memcpy(irdId,cta_res+14,4);
|
---|
498 | cs_debug("[nagra-reader] type: NAGRA, caid: %04X, IRD ID: %s",reader->caid[0], cs_hexdump (1,irdId,4));
|
---|
499 | cs_debug("[nagra-reader] ProviderID: %s",cs_hexdump (1,reader->prid[0],4));
|
---|
500 | return OK;
|
---|
501 | }
|
---|
502 | case TIERS:
|
---|
503 | if ((cta_lr>33) && (chid=b2i(2, cta_res+11)))
|
---|
504 | {
|
---|
505 | int id=(cta_res[7]*256)|cta_res[8];
|
---|
506 | tier_date(b2i(2, cta_res+20)-0x7f7, ds, 15);
|
---|
507 | tier_date(b2i(2, cta_res+13)-0x7f7, de, 15);
|
---|
508 | cs_ri_log(reader, "|%04X|%04X |%s |%s |", id,chid, ds, de);
|
---|
509 | addProvider(reader, cta_res);
|
---|
510 | }
|
---|
511 | case 0x08:
|
---|
512 | case 0x88: if (cta_res[11] == 0x49) decryptDT08(reader, cta_res);
|
---|
513 | default:
|
---|
514 | return OK;
|
---|
515 | }
|
---|
516 | return ERROR;
|
---|
517 | }
|
---|
518 |
|
---|
519 | static int GetDataType(struct s_reader * reader, unsigned char dt, int len, int shots)
|
---|
520 | {
|
---|
521 | def_resp;
|
---|
522 | int i;
|
---|
523 | for(i=0; i<shots; i++)
|
---|
524 | {
|
---|
525 | if(!do_cmd(reader, 0x22,0x03,0xA2,len,&dt,cta_res,&cta_lr))
|
---|
526 | {
|
---|
527 | cs_debug("[nagra-reader] failed to get datatype %02X",dt);
|
---|
528 | return ERROR;
|
---|
529 | }
|
---|
530 | if((cta_res[2]==0) && (dt != 0x08 || dt != 0x88)) return OK;
|
---|
531 | if(!ParseDataType(reader, dt&0x0F, cta_res, cta_lr)) return ERROR;
|
---|
532 | if ((dt != 0x08 || dt != 0x88) && (cta_res[11] == 0x49)) return OK; //got dt08 data
|
---|
533 | dt|=0x80; // get next item
|
---|
534 | }
|
---|
535 | return OK;
|
---|
536 | }
|
---|
537 |
|
---|
538 | int nagra2_card_init(struct s_reader * reader, ATR newatr)
|
---|
539 | {
|
---|
540 | get_atr;
|
---|
541 | def_resp;
|
---|
542 | memset(rom, 0, 15);
|
---|
543 | reader->nprov = 1;
|
---|
544 | memset(reader->hexserial, 0, 8);
|
---|
545 | reader->caid[0]=SYSTEM_NAGRA;
|
---|
546 |
|
---|
547 | if (memcmp(atr+11, "DNASP", 5)==0)
|
---|
548 | {
|
---|
549 | cs_ri_log(reader, "detect native NAGRA card T1 protocol");
|
---|
550 | memcpy(rom,atr+11,15);
|
---|
551 | }
|
---|
552 | else if (memcmp(atr+11, "TIGER", 5)==0 || (memcmp(atr+11, "NCMED", 5)==0))
|
---|
553 | {
|
---|
554 | cs_ri_log(reader, "detect NAGRA tiger card");
|
---|
555 | memcpy(rom,atr+11,15);
|
---|
556 | is_tiger=1;
|
---|
557 | }
|
---|
558 | else if ((!memcmp(atr+4, "IRDETO", 6)) && ((atr[14]==0x03) && (atr[15]==0x84) && (atr[16]==0x55)))
|
---|
559 | {
|
---|
560 | cs_ri_log(reader, "detect Irdeto tunneled NAGRA card");
|
---|
561 | if(!reader->has_rsa)
|
---|
562 | {
|
---|
563 | cs_ri_log(reader, "switching back to Irdeto mode");
|
---|
564 | return ERROR;
|
---|
565 | }
|
---|
566 | cs_ri_log(reader, "using NAGRA mode");
|
---|
567 | is_pure_nagra=1;
|
---|
568 | if(!do_cmd(reader, 0x10,0x02,0x90,0x11,0,cta_res,&cta_lr))
|
---|
569 | {
|
---|
570 | cs_debug("[nagra-reader] get rom version failed");
|
---|
571 | return ERROR;
|
---|
572 | }
|
---|
573 | memcpy(rom,cta_res+2,15);
|
---|
574 | }
|
---|
575 | else return ERROR;
|
---|
576 |
|
---|
577 | if (!is_tiger)
|
---|
578 | {
|
---|
579 | CamStateRequest(reader);
|
---|
580 | if(!do_cmd(reader, 0x12,0x02,0x92,0x06,0,cta_res,&cta_lr))
|
---|
581 | {
|
---|
582 | cs_debug("[nagra-reader] get Serial failed");
|
---|
583 | return ERROR;
|
---|
584 | }
|
---|
585 | memcpy(reader->hexserial+2, cta_res+2, 4);
|
---|
586 | cs_debug("[nagra-reader] SER: %s", cs_hexdump (1, reader->hexserial+2, 4));
|
---|
587 | memcpy(reader->sa[0], cta_res+2, 2);
|
---|
588 |
|
---|
589 | if(!GetDataType(reader, DT01,0x0E,MAX_REC)) return ERROR;
|
---|
590 | cs_debug("[nagra-reader] DT01 DONE");
|
---|
591 | CamStateRequest(reader);
|
---|
592 | if(!GetDataType(reader, IRDINFO,0x39,MAX_REC)) return ERROR;
|
---|
593 | cs_debug("[nagra-reader] IRDINFO DONE");
|
---|
594 | CamStateRequest(reader);
|
---|
595 | if(!GetDataType(reader, CAMDATA,0x55,10)) return ERROR;
|
---|
596 | cs_debug("[nagra-reader] CAMDATA Done");
|
---|
597 | if(!GetDataType(reader, 0x04,0x44,MAX_REC)) return ERROR;
|
---|
598 | cs_debug("[nagra-reader] DT04 DONE");
|
---|
599 | CamStateRequest(reader);
|
---|
600 |
|
---|
601 | if (!memcmp(rom+5, "181", 3)==0) //dt05 is not supported by rom181
|
---|
602 | {
|
---|
603 | cs_ri_log(reader, "-----------------------------------------");
|
---|
604 | cs_ri_log(reader, "|id |tier |valid from |valid to |");
|
---|
605 | cs_ri_log(reader, "+----+--------+------------+------------+");
|
---|
606 | if(!GetDataType(reader, TIERS,0x57,MAX_REC)) return ERROR;
|
---|
607 | cs_ri_log(reader, "-----------------------------------------");
|
---|
608 | CamStateRequest(reader);
|
---|
609 | }
|
---|
610 |
|
---|
611 | if(!GetDataType(reader, DT06,0x16,MAX_REC)) return ERROR;
|
---|
612 | cs_debug("[nagra-reader] DT06 DONE");
|
---|
613 | CamStateRequest(reader);
|
---|
614 | }
|
---|
615 | if (!NegotiateSessionKey(reader))
|
---|
616 | {
|
---|
617 | cs_debug("[nagra-reader] NegotiateSessionKey failed");
|
---|
618 | return ERROR;
|
---|
619 | }
|
---|
620 | if ((reader->cardmhz != 368) && (is_pure_nagra==0))
|
---|
621 | cs_log("WARNING: For NAGRA2 cards you will have to set 'cardmhz = 368' in oscam.server");
|
---|
622 |
|
---|
623 | return OK;
|
---|
624 | }
|
---|
625 |
|
---|
626 | int nagra2_card_info(struct s_reader * reader)
|
---|
627 | {
|
---|
628 | int i;
|
---|
629 | cs_ri_log(reader, "ROM: %c %c %c %c %c %c %c %c", rom[0], rom[1], rom[2],rom[3], rom[4], rom[5], rom[6], rom[7]);
|
---|
630 | cs_ri_log(reader, "REV: %c %c %c %c %c %c", rom[9], rom[10], rom[11], rom[12], rom[13], rom[14]);
|
---|
631 | cs_ri_log(reader, "SER: %s", cs_hexdump (1, reader->hexserial+2, 4));
|
---|
632 | cs_ri_log(reader, "CAID: %04X",reader->caid[0]);
|
---|
633 | cs_ri_log(reader, "Prv.ID: %s(sysid)",cs_hexdump (1,reader->prid[0],4));
|
---|
634 | for (i=1; i<reader->nprov; i++)
|
---|
635 | {
|
---|
636 | cs_ri_log(reader, "Prv.ID: %s",cs_hexdump (1,reader->prid[i],4));
|
---|
637 | }
|
---|
638 | cs_log("[nagra-reader] ready for requests");
|
---|
639 | return OK;
|
---|
640 | }
|
---|
641 |
|
---|
642 | void nagra2_post_process(struct s_reader * reader)
|
---|
643 | {
|
---|
644 | if (!is_tiger)
|
---|
645 | {
|
---|
646 | CamStateRequest(reader);
|
---|
647 | if RENEW_SESSIONKEY() NegotiateSessionKey(reader);
|
---|
648 | if SENDDATETIME() DateTimeCMD(reader);
|
---|
649 | }
|
---|
650 | }
|
---|
651 |
|
---|
652 | int nagra2_do_ecm(struct s_reader * reader, ECM_REQUEST *er)
|
---|
653 | {
|
---|
654 | def_resp;
|
---|
655 | if (!is_tiger)
|
---|
656 | {
|
---|
657 | int retry=0;
|
---|
658 | if(!do_cmd(reader, er->ecm[3],er->ecm[4]+2,0x87,0x02, er->ecm+3+2,cta_res,&cta_lr))
|
---|
659 | {
|
---|
660 | cs_debug("[nagra-reader] nagra2_do_ecm failed, retry");
|
---|
661 | cs_sleepms(10);
|
---|
662 | if(!do_cmd(reader, er->ecm[3],er->ecm[4]+2,0x87,0x02, er->ecm+3+2,cta_res,&cta_lr))
|
---|
663 | {
|
---|
664 | cs_debug("[nagra-reader] nagra2_do_ecm failed, retry failed!");
|
---|
665 | return ERROR;
|
---|
666 | }
|
---|
667 |
|
---|
668 | }
|
---|
669 | cs_sleepms(10);
|
---|
670 | while(!CamStateRequest(reader) && retry < 3)
|
---|
671 | {
|
---|
672 | cs_debug("[nagra-reader] CamStateRequest failed, try: %d", retry);
|
---|
673 | retry++;
|
---|
674 | cs_sleepms(10);
|
---|
675 | }
|
---|
676 | if (HAS_CW() && (do_cmd(reader, 0x1C,0x02,0x9C,0x36,NULL,cta_res,&cta_lr)))
|
---|
677 | {
|
---|
678 | unsigned char v[8];
|
---|
679 | memset(v,0,sizeof(v));
|
---|
680 | idea_cbc_encrypt(&cta_res[30],er->cw,8,&ksSession,v,IDEA_DECRYPT);
|
---|
681 | memset(v,0,sizeof(v));
|
---|
682 | idea_cbc_encrypt(&cta_res[4],er->cw+8,8,&ksSession,v,IDEA_DECRYPT);
|
---|
683 | if (swapCW==1)
|
---|
684 | {
|
---|
685 | cs_debug("[nagra-reader] swap cws");
|
---|
686 | unsigned char tt[8];
|
---|
687 | memcpy(&tt[0],&er->cw[0],8);
|
---|
688 | memcpy(&er->cw[0],&er->cw[8],8);
|
---|
689 | memcpy(&er->cw[8],&tt[0],8);
|
---|
690 | }
|
---|
691 | return OK;
|
---|
692 | }
|
---|
693 | }
|
---|
694 | else
|
---|
695 | {
|
---|
696 | //check ECM prov id
|
---|
697 | if (memcmp(&reader->prid[0][2], er->ecm+5, 2))
|
---|
698 | return ERROR;
|
---|
699 |
|
---|
700 | // ecm_data: 80 30 89 D3 87 54 11 10 DA A6 0F 4B 92 05 34 00 ...
|
---|
701 | //serial_data: A0 CA 00 00 8C D3 8A 00 00 00 00 00 10 DA A6 0F .
|
---|
702 | unsigned char ecm_trim[150];
|
---|
703 | memset(ecm_trim, 0, 150);
|
---|
704 | memcpy(&ecm_trim[5], er->ecm+3+2+2, er->ecm[4]+2);
|
---|
705 | if(do_cmd(reader, er->ecm[3],er->ecm[4]+5,0x53,0x16, ecm_trim,cta_res,&cta_lr))
|
---|
706 | {
|
---|
707 | if(cta_res[2] == 0x01)
|
---|
708 | {
|
---|
709 |
|
---|
710 | unsigned char v[8];
|
---|
711 | memset(v,0,sizeof(v));
|
---|
712 | idea_cbc_encrypt(&cta_res[14],er->cw,8,&ksSession,v,IDEA_DECRYPT);
|
---|
713 | memset(v,0,sizeof(v));
|
---|
714 | idea_cbc_encrypt(&cta_res[6],er->cw+8,8,&ksSession,v,IDEA_DECRYPT);
|
---|
715 | return OK;
|
---|
716 | }
|
---|
717 | cs_debug("[nagra-reader] can't decode ecm");
|
---|
718 | return ERROR;
|
---|
719 | }
|
---|
720 | }
|
---|
721 | return ERROR;
|
---|
722 | }
|
---|
723 |
|
---|
724 | int nagra2_get_emm_type(EMM_PACKET *ep, struct s_reader * rdr) //returns TRUE if shared emm matches SA, unique emm matches serial, or global or unknown
|
---|
725 | {
|
---|
726 | switch (ep->emm[0]) {
|
---|
727 | case 0x83:
|
---|
728 | memset(ep->hexserial,0,8);
|
---|
729 | ep->hexserial[0] = ep->emm[5];
|
---|
730 | ep->hexserial[1] = ep->emm[4];
|
---|
731 | ep->hexserial[2] = ep->emm[3];
|
---|
732 | if (ep->emm[7] == 0x10) {
|
---|
733 | ep->type = SHARED;
|
---|
734 | return (!memcmp (rdr->hexserial+2, ep->hexserial, 3));
|
---|
735 | }
|
---|
736 | else {
|
---|
737 | ep->hexserial[3] = ep->emm[6];
|
---|
738 | ep->type = UNIQUE;
|
---|
739 | return (!memcmp (rdr->hexserial+2, ep->hexserial, 4));
|
---|
740 | }
|
---|
741 | case 0x82:
|
---|
742 | ep->type = GLOBAL;
|
---|
743 | return TRUE;
|
---|
744 | default:
|
---|
745 | ep->type = UNKNOWN;
|
---|
746 | return TRUE;
|
---|
747 | }
|
---|
748 | }
|
---|
749 |
|
---|
750 | uchar *nagra2_get_emm_filter(struct s_reader * rdr, int type)
|
---|
751 | {
|
---|
752 | static uint8_t filter[32];
|
---|
753 | memset(filter, 0x00, 32);
|
---|
754 |
|
---|
755 | switch (type) {
|
---|
756 | case GLOBAL:
|
---|
757 | filter[0] = 0x82;
|
---|
758 | filter[0+16] = 0xFF;
|
---|
759 | break;
|
---|
760 | case SHARED:
|
---|
761 | case UNIQUE:
|
---|
762 | filter[0] = 0x83;
|
---|
763 | filter[0+16] = 0xFF;
|
---|
764 | //filter[1] = rdr->hexserial[4] & 0xFF;
|
---|
765 | //filter[1+16] = 0xFF;
|
---|
766 | filter[2] = rdr->hexserial[3] & 0xFF;
|
---|
767 | filter[2+16] = 0xFF;
|
---|
768 | filter[3] = rdr->hexserial[2] & 0xFF;
|
---|
769 | filter[3+16] = 0xFF;
|
---|
770 | break;
|
---|
771 | }
|
---|
772 |
|
---|
773 | return filter;
|
---|
774 | }
|
---|
775 | int nagra2_do_emm(struct s_reader * reader, EMM_PACKET *ep)
|
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776 | {
|
---|
777 | def_resp;
|
---|
778 | if (!is_tiger)
|
---|
779 | {
|
---|
780 | if(!do_cmd(reader, ep->emm[8],ep->emm[9]+2,0x84,0x02,ep->emm+8+2,cta_res,&cta_lr))
|
---|
781 | {
|
---|
782 | cs_debug("[nagra-reader] nagra2_do_emm failed");
|
---|
783 | return ERROR;
|
---|
784 | }
|
---|
785 | // for slow t14 nagra cards, we must do additional timeout
|
---|
786 | if (is_pure_nagra==1)
|
---|
787 | {
|
---|
788 | cs_sleepms(300);
|
---|
789 | }
|
---|
790 | cs_sleepms(250);
|
---|
791 | nagra2_post_process(reader);
|
---|
792 | }
|
---|
793 | else
|
---|
794 | {
|
---|
795 | //check EMM prov id
|
---|
796 | if (memcmp(&reader->prid[0][2], ep->emm+10, 2))
|
---|
797 | return ERROR;
|
---|
798 |
|
---|
799 | // emm_data: 82 70 8E 00 00 00 00 00 D3 87 8D 11 C0 F4 B1 27 2C 3D 25 94 ...
|
---|
800 | //serial_data: A0 CA 00 00 8C D3 8A 01 00 00 00 00 C0 F4 B1 27 2C 3D 25 94 ...
|
---|
801 | unsigned char emm_trim[150];
|
---|
802 | memset(emm_trim, 0, 150);
|
---|
803 | memcpy(&emm_trim[5], ep->emm+3+5+2+2, ep->emm[9]+2);
|
---|
804 | if(!do_cmd(reader, ep->emm[8],ep->emm[9]+5,0x53,0x16, emm_trim,cta_res,&cta_lr))
|
---|
805 | {
|
---|
806 | cs_debug("[nagra-reader] nagra2_do_emm failed");
|
---|
807 | return ERROR;
|
---|
808 | }
|
---|
809 | cs_sleepms(300);
|
---|
810 | }
|
---|
811 | return OK;
|
---|
812 | }
|
---|