source: trunk/reader-nagra.c@ 1771

Last change on this file since 1771 was 1771, checked in by merek, 10 years ago

Merge from UMP: Fixed nagra2 emm bug, thanks to neoen

File size: 21.2 KB
Line 
1#include "globals.h"
2#include "reader-common.h"
3#include "cscrypt/idea.h"
4#include <termios.h>
5#include <unistd.h>
6
7IDEA_KEY_SCHEDULE ksSession;
8extern uchar cta_res[];
9extern ushort cta_lr;
10int is_pure_nagra=0;
11int is_tiger=0;
12int has_dt08=0;
13int swapCW=0;
14unsigned char rom[15];
15unsigned char plainDT08RSA[64];
16unsigned char IdeaCamKey[16];
17unsigned char irdId[] = {0xff,0xff,0xff,0xff};
18unsigned char sessi[16];
19unsigned char signature[8];
20unsigned char cam_state[3];
21
22// Card Status checks
23#define HAS_CW() ((cam_state[2]&6)==6)
24#define RENEW_SESSIONKEY() ((cam_state[0]&128)==128 || (cam_state[0]&64)==64 || (cam_state[0]&32)==32 || (cam_state[2]&8)==8)
25#define SENDDATETIME() (cam_state[0]&8)
26// Datatypes
27#define DT01 0x01
28#define IRDINFO 0x00
29#define TIERS 0x05
30#define DT06 0x06
31#define CAMDATA 0x08
32
33#define MAX_REC 20
34#define SYSTEM_NAGRA 0x1800
35#define SYSTEM_MASK 0xFF00
36
37
38static time_t tier_date(ulong date, char *buf, int l)
39{
40 time_t ut=870393600L+date*(24*3600);
41 if (buf)
42 {
43 struct tm *t;
44 t=gmtime(&ut);
45 snprintf(buf, l, "%04d/%02d/%02d", t->tm_year+1900, t->tm_mon+1, t->tm_mday);
46 }
47 return(ut);
48}
49
50static int do_cmd(unsigned char cmd, int ilen, unsigned char res, int rlen, unsigned char *data)
51{
52 /*
53 here we build the command related to the protocol T1 for ROM142 or T14 for ROM181
54 the only different that i know is the command length byte msg[4], this msg[4]+=1 by a ROM181 smartcard (_nighti_)
55 one example for the cmd$C0
56 T14 protocol: 01 A0 CA 00 00 03 C0 00 06 91
57 T1 protocol: 21 00 08 A0 CA 00 00 02 C0 00 06 87
58 */
59 int msglen=ilen+6;
60 unsigned char msg[msglen];
61 static char nagra_head[] = {0xA0, 0xCA, 0x00, 0x00};
62
63 memset(msg, 0, msglen);
64 memcpy(msg,nagra_head,4);
65 msg[4] = ilen;
66 msg[5] = cmd;
67 int dlen=ilen-2;
68 msg[6] = dlen;
69 if(data && dlen>0) memcpy(msg+7,data,dlen);
70 msg[dlen+7] = rlen;
71 if (dlen<0)
72 {
73 cs_debug("[nagra-reader] invalid data length encountered");
74 return ERROR;
75 }
76 if (is_pure_nagra==1)
77 {
78 msg[4]+=1;
79 }
80 if(!reader_cmd2icc(msg,msglen))
81 {
82 cs_sleepms(5);
83 if(cta_res[0]!=res)
84 {
85 cs_debug("[nagra-reader] result not expected (%02x != %02x)",cta_res[0],res);
86 return ERROR;
87 }
88 if((cta_lr-2)!=rlen)
89 {
90 cs_debug("[nagra-reader] result length expected (%d != %d)",(cta_lr-2),rlen);
91 return ERROR;
92 }
93 return cta_lr;
94 }
95 return ERROR;
96}
97
98static void ReverseMem(unsigned char *vIn, int len)
99{
100 unsigned char temp;
101 int i;
102 for(i=0; i < (len/2); i++)
103 {
104 temp = vIn[i];
105 vIn[i] = vIn[len-i-1];
106 vIn[len-i-1] = temp;
107 }
108}
109
110static void Signature(unsigned char *sig, const unsigned char *vkey,const unsigned char *msg, int len)
111{
112 IDEA_KEY_SCHEDULE ks;
113 unsigned char v[8];
114 unsigned char b200[16];
115 unsigned char b0f0[8];
116 memcpy(b200,vkey,sizeof(b200));
117 int i;
118 int j;
119 for(i=0; i<len; i+=8)
120 {
121 idea_set_encrypt_key(b200,&ks);
122 memset(v,0,sizeof(v));
123 idea_cbc_encrypt(msg+i,b0f0,8,&ks,v,IDEA_DECRYPT);
124 for(j=7; j>=0; j--) b0f0[j]^=msg[i+j];
125 memcpy(b200+0,b0f0,8);
126 memcpy(b200+8,b0f0,8);
127 }
128 memcpy(sig,b0f0,8);
129 return;
130}
131
132static int CamStateRequest(void)
133{
134 if(do_cmd(0xC0,0x02,0xB0,0x06,NULL))
135 {
136 memcpy(cam_state,cta_res+3,3);
137 cs_debug("[nagra-reader] Camstate: %s",cs_hexdump (1, cam_state, 3));
138 }
139 else
140 {
141 cs_debug("[nagra-reader] CamStateRequest failed");
142 return ERROR;
143 }
144 return OK;
145}
146
147static void DateTimeCMD(void)
148{
149 if (!do_cmd(0xC8,0x02,0xB8,0x06,NULL))
150 {
151 cs_debug("[nagra-reader] DateTimeCMD failed!");
152 }
153
154}
155
156static int NegotiateSessionKey_Tiger(void)
157{
158
159 unsigned char vFixed[] = {0,1,2,3,0x11};
160 unsigned char parte_fija[120];
161 unsigned char parte_variable[88];
162 unsigned char d1_rsa_modulo[88];
163 unsigned char d2_data[88];
164 unsigned char sign1[8];
165 unsigned char sk[16];
166 unsigned char tmp[104];
167 unsigned char idea_sig[16];
168 unsigned char random[88];
169
170 if(!do_cmd(0xd1,0x02,0x51,0xd2,NULL))
171 {
172 cs_debug("[nagra-reader] CMD$D1 failed");
173 return ERROR;
174 }
175
176 BN_CTX *ctx = BN_CTX_new();
177 BIGNUM *bnN = BN_CTX_get(ctx);
178 BIGNUM *bnE = BN_CTX_get(ctx);
179 BIGNUM *bnCT = BN_CTX_get(ctx);
180 BIGNUM *bnPT = BN_CTX_get(ctx);
181 BN_bin2bn(reader[ridx].rsa_mod, 120, bnN);
182 BN_bin2bn(vFixed+4, 1, bnE);
183 BN_bin2bn(&cta_res[90], 120, bnCT);
184 BN_mod_exp(bnPT, bnCT, bnE, bnN, ctx);
185 memset(parte_fija, 0, 120);
186 BN_bn2bin(bnPT, parte_fija + (120-BN_num_bytes(bnPT)));
187 BN_CTX_end(ctx);
188 BN_CTX_free (ctx);
189
190 cs_debug("[nagra-reader] ---------- SIG CHECK ---------------------");
191 memset(tmp,0, 104);
192 memcpy(tmp+4, parte_fija+11, 100);
193 memset(idea_sig, 0x37, 16);
194 Signature(sign1, idea_sig, tmp, 104);
195 cs_debug("[nagra-reader] sign1: %s", cs_hexdump (0, sign1, 8));
196 cs_debug("[nagra-reader] sign2: %s", cs_hexdump (0, parte_fija+111, 8));
197 if (!memcmp (parte_fija+111, sign1, 8)==0)
198 {
199 cs_debug("[nagra-reader] signature check nok");
200 cs_debug("[nagra-reader] ------------------------------------------");
201 return ERROR;
202 }
203 cs_debug("[nagra-reader] signature check ok");
204 cs_debug("[nagra-reader] ------------------------------------------");
205
206 memcpy(reader[ridx].hexserial+2, parte_fija+15, 4);
207 memcpy(irdId, parte_fija+19, 4);
208 memcpy(d1_rsa_modulo,parte_fija+23,88);
209
210 ReverseMem(cta_res+2, 88);
211 BN_CTX *ctx1 = BN_CTX_new();
212 BIGNUM *bnN1 = BN_CTX_get(ctx1);
213 BIGNUM *bnE1 = BN_CTX_get(ctx1);
214 BIGNUM *bnCT1 = BN_CTX_get(ctx1);
215 BIGNUM *bnPT1 = BN_CTX_get(ctx1);
216 BN_bin2bn(d1_rsa_modulo, 88, bnN1);
217 BN_bin2bn(vFixed+4, 1, bnE1);
218 BN_bin2bn(cta_res+2, 88, bnCT1);
219 BN_mod_exp(bnPT1, bnCT1, bnE1, bnN1, ctx1);
220 memset(parte_variable, 0, 88);
221 BN_bn2bin(bnPT1, parte_variable + (88-BN_num_bytes(bnPT1)));
222 BN_CTX_end(ctx1);
223 BN_CTX_free (ctx1);
224
225 reader[ridx].prid[0][0]=0x00;
226 reader[ridx].prid[0][1]=0x00;
227 reader[ridx].prid[0][2]=parte_variable[73];
228 reader[ridx].prid[0][3]=parte_variable[74];
229 reader[ridx].caid[0] =(SYSTEM_NAGRA|parte_variable[76]);
230 memcpy(sk,&parte_variable[79],8);
231 memcpy(sk+8,&parte_variable[79],8);
232 cs_ri_log("type: NAGRA, caid: %04X, IRD ID: %s",reader[ridx].caid[0], cs_hexdump (1,irdId,4));
233 cs_ri_log("ProviderID: %s",cs_hexdump (1,reader[ridx].prid[0],4));
234
235 memset(random, 0, 88);
236 memcpy(random, sk,16);
237 ReverseMem(random, 88);
238
239
240 BN_CTX *ctx3 = BN_CTX_new();
241 BIGNUM *bnN3 = BN_CTX_get(ctx3);
242 BIGNUM *bnE3 = BN_CTX_get(ctx3);
243 BIGNUM *bnCT3 = BN_CTX_get(ctx3);
244 BIGNUM *bnPT3 = BN_CTX_get(ctx3);
245 BN_bin2bn(d1_rsa_modulo, 88, bnN3);
246 BN_bin2bn(vFixed+4, 1, bnE3);
247 BN_bin2bn(random, 88, bnCT3);
248 BN_mod_exp(bnPT3, bnCT3, bnE3, bnN3, ctx3);
249 memset(d2_data, 0, 88);
250 BN_bn2bin(bnPT3, d2_data + (88-BN_num_bytes(bnPT3)));
251 BN_CTX_end(ctx3);
252 BN_CTX_free (ctx3);
253 ReverseMem(d2_data, 88);
254
255 if(!do_cmd(0xd2,0x5a,0x52,0x03, d2_data))
256 {
257 cs_debug("[nagra-reader] CMD$D2 failed");
258 return ERROR;
259 }
260 if (cta_res[2] == 0x00)
261 {
262 memcpy(sessi,sk,16);
263 IDEA_KEY_SCHEDULE ks;
264 idea_set_encrypt_key(sessi,&ks);
265 idea_set_decrypt_key(&ks,&ksSession);
266 cs_debug("[nagra-reader] session key negotiated");
267 return OK;
268 }
269 cs_ri_log("Negotiate sessionkey was not successfull! Please check tivusat rsa key");
270 return ERROR;
271
272}
273
274static int NegotiateSessionKey(void)
275{
276 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};
277 unsigned char negot[64];
278 unsigned char tmp[64];
279 unsigned char idea1[16];
280 unsigned char idea2[16];
281 unsigned char sign1[8];
282 unsigned char sign2[8];
283
284 if (is_tiger)
285 {
286 if (!NegotiateSessionKey_Tiger())
287 {
288 cs_debug("[nagra-reader] NegotiateSessionKey_Tiger failed");
289 return ERROR;
290 }
291 return OK;
292 }
293 if (!has_dt08) // if we have no valid dt08 calc then we use rsa from config and hexserial for calc of sessionkey
294 {
295 memcpy(plainDT08RSA, reader[ridx].rsa_mod, 64);
296 memcpy(signature,reader[ridx].nagra_boxkey, 8);
297 }
298 if(!do_cmd(0x2a,0x02,0xaa,0x42,NULL))
299 {
300 cs_debug("[nagra-reader] CMD$2A failed");
301 return ERROR;
302 }
303
304 // RSA decrypt of cmd$2a data, result is stored in "negot"
305 ReverseMem(cta_res+2, 64);
306 unsigned char vFixed[] = {0,1,2,3};
307 BN_CTX *ctx = BN_CTX_new();
308 BIGNUM *bnN = BN_CTX_get(ctx);
309 BIGNUM *bnE = BN_CTX_get(ctx);
310 BIGNUM *bnCT = BN_CTX_get(ctx);
311 BIGNUM *bnPT = BN_CTX_get(ctx);
312 BN_bin2bn(plainDT08RSA, 64, bnN);
313 BN_bin2bn(vFixed+3, 1, bnE);
314 BN_bin2bn(cta_res+2, 64, bnCT);
315 BN_mod_exp(bnPT, bnCT, bnE, bnN, ctx);
316 memset(negot, 0, 64);
317 BN_bn2bin(bnPT, negot + (64-BN_num_bytes(bnPT)));
318
319 memcpy(tmp, negot, 64);
320 ReverseMem(tmp, 64);
321
322 // build sessionkey
323 // 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
324 memcpy(idea1, signature, 8);
325 memcpy(idea1+8, reader[ridx].hexserial+2, 4);
326 idea1[12] = ~reader[ridx].hexserial[2]; idea1[13] = ~reader[ridx].hexserial[3]; idea1[14] = ~reader[ridx].hexserial[4]; idea1[15] = ~reader[ridx].hexserial[5];
327
328 Signature(sign1, idea1, tmp, 32);
329 memcpy(idea2,sign1,8); memcpy(idea2+8,sign1,8);
330 Signature(sign2, idea2, tmp, 32);
331 memcpy(sessi,sign1,8); memcpy(sessi+8,sign2,8);
332
333 // prepare cmd$2b data
334 BN_bin2bn(negot, 64, bnCT);
335 BN_mod_exp(bnPT, bnCT, bnE, bnN, ctx);
336 memset(cmd2b+10, 0, 64);
337 BN_bn2bin(bnPT, cmd2b+10 + (64-BN_num_bytes(bnPT)));
338 BN_CTX_end(ctx);
339 BN_CTX_free (ctx);
340 ReverseMem(cmd2b+10, 64);
341
342 IDEA_KEY_SCHEDULE ks;
343 idea_set_encrypt_key(sessi,&ks);
344 idea_set_decrypt_key(&ks,&ksSession);
345
346 if(!do_cmd(0x2b,0x42,0xab,0x02, cmd2b+10))
347 {
348 cs_debug("[nagra-reader] CMD$2B failed");
349 return ERROR;
350 }
351
352 cs_debug("[nagra-reader] session key negotiated");
353
354 DateTimeCMD();
355
356 if (!CamStateRequest())
357 {
358 cs_debug("[nagra-reader] CamStateRequest failed");
359 return ERROR;
360 }
361 if RENEW_SESSIONKEY()
362 {
363 cs_ri_log("Negotiate sessionkey was not successfull! Please check rsa key and boxkey");
364 return ERROR;
365 }
366
367 return OK;
368}
369
370static void decryptDT08(void)
371{
372
373 unsigned char vFixed[] = {0,1,2,3};
374 unsigned char v[72];
375 unsigned char buf[72];
376 unsigned char sign2[8];
377 unsigned char static_dt08[73];
378 unsigned char camid[4];
379 int i, n;
380 BN_CTX *ctx;
381 BIGNUM *bn_mod, *bn_exp, *bn_data, *bn_res;
382
383 memcpy(static_dt08, &cta_res[12], 73);
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[ridx].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[ridx].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[ridx].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
449static void addProvider()
450{
451 int i;
452 int toadd=1;
453 for (i=0; i<reader[ridx].nprov; i++)
454 {
455 if ((cta_res[7]==reader[ridx].prid[i][2]) && (cta_res[8]==reader[ridx].prid[i][3]))
456 {
457 toadd = 0;
458 }
459 }
460 if (toadd)
461 {
462 reader[ridx].prid[reader[ridx].nprov][0]=0;
463 reader[ridx].prid[reader[ridx].nprov][1]=0;
464 reader[ridx].prid[reader[ridx].nprov][2]=cta_res[7];
465 reader[ridx].prid[reader[ridx].nprov][3]=cta_res[8];
466 memcpy(reader[ridx].sa[reader[ridx].nprov], reader[ridx].sa[0], 4);
467 reader[ridx].nprov+=1;
468 }
469}
470
471static int ParseDataType(unsigned char dt)
472{
473 char ds[16], de[16];
474 ushort chid;
475 switch(dt)
476 {
477 case IRDINFO:
478 {
479 reader[ridx].prid[0][0]=0;
480 reader[ridx].prid[0][1]=0;
481 reader[ridx].prid[0][2]=cta_res[7];
482 reader[ridx].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[ridx].prid[1][0]=0x00;
490 reader[ridx].prid[1][1]=0x00;
491 reader[ridx].prid[1][2]=0x00;
492 reader[ridx].prid[1][3]=0x00;
493 memcpy(reader[ridx].sa[1], reader[ridx].sa[0], 4);
494 reader[ridx].nprov+=1;
495
496 reader[ridx].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[ridx].caid[0], cs_hexdump (1,irdId,4));
499 cs_debug("[nagra-reader] ProviderID: %s",cs_hexdump (1,reader[ridx].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("|%04X|%04X |%s |%s |", id,chid, ds, de);
509 addProvider();
510 }
511 case 0x08:
512 case 0x88: if (cta_res[11] == 0x49) decryptDT08();
513 default:
514 return OK;
515 }
516 return ERROR;
517}
518
519static int GetDataType(unsigned char dt, int len, int shots)
520{
521 int i;
522 for(i=0; i<shots; i++)
523 {
524 if(!do_cmd(0x22,0x03,0xA2,len,&dt))
525 {
526 cs_debug("[nagra-reader] failed to get datatype %02X",dt);
527 return ERROR;
528 }
529 if((cta_res[2]==0) && (dt != 0x08 || dt != 0x88)) return OK;
530 if(!ParseDataType(dt&0x0F)) return ERROR;
531 if ((dt != 0x08 || dt != 0x88) && (cta_res[11] == 0x49)) return OK; //got dt08 data
532 dt|=0x80; // get next item
533 }
534 return OK;
535}
536
537int nagra2_card_init(ATR newatr)
538{
539 get_atr;
540 memset(rom, 0, 15);
541 reader[ridx].nprov = 1;
542 memset(reader[ridx].hexserial, 0, 8);
543 reader[ridx].caid[0]=SYSTEM_NAGRA;
544
545 if (memcmp(atr+11, "DNASP", 5)==0)
546 {
547 cs_ri_log("detect native NAGRA card T1 protocol");
548 memcpy(rom,atr+11,15);
549 }
550 else if (memcmp(atr+11, "TIGER", 5)==0 || (memcmp(atr+11, "NCMED", 5)==0))
551 {
552 cs_ri_log("detect NAGRA tiger card");
553 memcpy(rom,atr+11,15);
554 is_tiger=1;
555 }
556 else if ((!memcmp(atr+4, "IRDETO", 6)) && ((atr[14]==0x03) && (atr[15]==0x84) && (atr[16]==0x55)))
557 {
558 cs_ri_log("detect Irdeto tunneled NAGRA card");
559 if(!reader[ridx].has_rsa)
560 {
561 cs_ri_log("switching back to Irdeto mode");
562 return ERROR;
563 }
564 cs_ri_log("using NAGRA mode");
565 is_pure_nagra=1;
566 if(!do_cmd(0x10,0x02,0x90,0x11,0))
567 {
568 cs_debug("[nagra-reader] get rom version failed");
569 return ERROR;
570 }
571 memcpy(rom,cta_res+2,15);
572 }
573 else return ERROR;
574
575 if (!is_tiger)
576 {
577 CamStateRequest();
578 if(!do_cmd(0x12,0x02,0x92,0x06,0))
579 {
580 cs_debug("[nagra-reader] get Serial failed");
581 return ERROR;
582 }
583 memcpy(reader[ridx].hexserial+2, cta_res+2, 4);
584 cs_debug("[nagra-reader] SER: %s", cs_hexdump (1, reader[ridx].hexserial+2, 4));
585 memcpy(reader[ridx].sa[0], cta_res+2, 2);
586
587 if(!GetDataType(DT01,0x0E,MAX_REC)) return ERROR;
588 cs_debug("[nagra-reader] DT01 DONE");
589 CamStateRequest();
590 if(!GetDataType(IRDINFO,0x39,MAX_REC)) return ERROR;
591 cs_debug("[nagra-reader] IRDINFO DONE");
592 CamStateRequest();
593 if(!GetDataType(CAMDATA,0x55,10)) return ERROR;
594 cs_debug("[nagra-reader] CAMDATA Done");
595 if(!GetDataType(0x04,0x44,MAX_REC)) return ERROR;
596 cs_debug("[nagra-reader] DT04 DONE");
597 CamStateRequest();
598
599 if (!memcmp(rom+5, "181", 3)==0) //dt05 is not supported by rom181
600 {
601 cs_ri_log("-----------------------------------------");
602 cs_ri_log("|id |tier |valid from |valid to |");
603 cs_ri_log("+----+--------+------------+------------+");
604 if(!GetDataType(TIERS,0x57,MAX_REC)) return ERROR;
605 cs_ri_log("-----------------------------------------");
606 CamStateRequest();
607 }
608
609 if(!GetDataType(DT06,0x16,MAX_REC)) return ERROR;
610 cs_debug("[nagra-reader] DT06 DONE");
611 CamStateRequest();
612 }
613 if (!NegotiateSessionKey())
614 {
615 cs_debug("[nagra-reader] NegotiateSessionKey failed");
616 return ERROR;
617 }
618 if ((reader[ridx].cardmhz != 368) && (is_pure_nagra==0))
619 cs_log("WARNING: For NAGRA2 cards you will have to set 'cardmhz = 368' in oscam.server");
620
621 return OK;
622}
623
624int nagra2_card_info(void)
625{
626 int i;
627 cs_ri_log("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]);
628 cs_ri_log("REV: %c %c %c %c %c %c", rom[9], rom[10], rom[11], rom[12], rom[13], rom[14]);
629 cs_ri_log("SER: %s", cs_hexdump (1, reader[ridx].hexserial+2, 4));
630 cs_ri_log("CAID: %04X",reader[ridx].caid[0]);
631 cs_ri_log("Prv.ID: %s(sysid)",cs_hexdump (1,reader[ridx].prid[0],4));
632 for (i=1; i<reader[ridx].nprov; i++)
633 {
634 cs_ri_log("Prv.ID: %s",cs_hexdump (1,reader[ridx].prid[i],4));
635 }
636 cs_log("[nagra-reader] ready for requests");
637 return OK;
638}
639
640void nagra2_post_process(void)
641{
642 if (!is_tiger)
643 {
644 CamStateRequest();
645 if RENEW_SESSIONKEY() NegotiateSessionKey();
646 if SENDDATETIME() DateTimeCMD();
647 }
648}
649
650int nagra2_do_ecm(ECM_REQUEST *er)
651{
652 if (!is_tiger)
653 {
654 int retry=0;
655 if(!do_cmd(er->ecm[3],er->ecm[4]+2,0x87,0x02, er->ecm+3+2))
656 {
657 cs_debug("[nagra-reader] nagra2_do_ecm failed, retry");
658 cs_sleepms(10);
659 if(!do_cmd(er->ecm[3],er->ecm[4]+2,0x87,0x02, er->ecm+3+2))
660 {
661 cs_debug("[nagra-reader] nagra2_do_ecm failed, retry failed!");
662 return ERROR;
663 }
664
665 }
666 cs_sleepms(10);
667 while(!CamStateRequest() && retry < 3)
668 {
669 cs_debug("[nagra-reader] CamStateRequest failed, try: %d", retry);
670 retry++;
671 cs_sleepms(10);
672 }
673 if (HAS_CW() && (do_cmd(0x1C,0x02,0x9C,0x36,NULL)))
674 {
675 unsigned char v[8];
676 memset(v,0,sizeof(v));
677 idea_cbc_encrypt(&cta_res[30],er->cw,8,&ksSession,v,IDEA_DECRYPT);
678 memset(v,0,sizeof(v));
679 idea_cbc_encrypt(&cta_res[4],er->cw+8,8,&ksSession,v,IDEA_DECRYPT);
680 if (swapCW==1)
681 {
682 cs_debug("[nagra-reader] swap cws");
683 unsigned char tt[8];
684 memcpy(&tt[0],&er->cw[0],8);
685 memcpy(&er->cw[0],&er->cw[8],8);
686 memcpy(&er->cw[8],&tt[0],8);
687 }
688 return OK;
689 }
690 }
691 else
692 {
693 //check ECM prov id
694 if (memcmp(&reader[ridx].prid[0][2], er->ecm+5, 2))
695 return ERROR;
696
697 // ecm_data: 80 30 89 D3 87 54 11 10 DA A6 0F 4B 92 05 34 00 ...
698 //serial_data: A0 CA 00 00 8C D3 8A 00 00 00 00 00 10 DA A6 0F .
699 unsigned char ecm_trim[150];
700 memset(ecm_trim, 0, 150);
701 memcpy(&ecm_trim[5], er->ecm+3+2+2, er->ecm[4]+2);
702 if(do_cmd(er->ecm[3],er->ecm[4]+5,0x53,0x16, ecm_trim))
703 {
704 if(cta_res[2] == 0x01)
705 {
706
707 unsigned char v[8];
708 memset(v,0,sizeof(v));
709 idea_cbc_encrypt(&cta_res[14],er->cw,8,&ksSession,v,IDEA_DECRYPT);
710 memset(v,0,sizeof(v));
711 idea_cbc_encrypt(&cta_res[6],er->cw+8,8,&ksSession,v,IDEA_DECRYPT);
712 return OK;
713 }
714 cs_debug("[nagra-reader] can't decode ecm");
715 return ERROR;
716 }
717 }
718 return ERROR;
719}
720
721int nagra2_get_emm_type(EMM_PACKET *ep) //returns TRUE if shared emm matches SA, unique emm matches serial, or global or unknown
722{
723 switch (ep->emm[0]) {
724 case 0x83:
725 memset(ep->hexserial,0,8);
726 ep->hexserial[0] = ep->emm[5];
727 ep->hexserial[1] = ep->emm[4];
728 ep->hexserial[2] = ep->emm[3];
729 ep->hexserial[3] = ep->emm[6];
730 if (ep->emm[7] == 0x10)
731 ep->type = SHARED;
732 else
733 ep->type = UNIQUE;
734 return (!memcmp (reader[ridx].hexserial, ep->hexserial, 4));
735 case 0x82:
736 ep->type = GLOBAL;
737 return TRUE;
738 default:
739 ep->type = UNKNOWN;
740 return TRUE;
741 }
742}
743
744int nagra2_do_emm(EMM_PACKET *ep)
745{
746 if (!is_tiger)
747 {
748 if(!do_cmd(ep->emm[8],ep->emm[9]+2,0x84,0x02,ep->emm+8+2))
749 {
750 cs_debug("[nagra-reader] nagra2_do_emm failed");
751 return ERROR;
752 }
753 // for slow t14 nagra cards, we must do additional timeout
754 if (is_pure_nagra==1)
755 {
756 cs_sleepms(300);
757 }
758 cs_sleepms(250);
759 nagra2_post_process();
760 }
761 else
762 {
763 //check EMM prov id
764 if (memcmp(&reader[ridx].prid[0][2], ep->emm+10, 2))
765 return ERROR;
766
767 // emm_data: 82 70 8E 00 00 00 00 00 D3 87 8D 11 C0 F4 B1 27 2C 3D 25 94 ...
768 //serial_data: A0 CA 00 00 8C D3 8A 01 00 00 00 00 C0 F4 B1 27 2C 3D 25 94 ...
769 unsigned char emm_trim[150];
770 memset(emm_trim, 0, 150);
771 memcpy(&emm_trim[5], ep->emm+3+5+2+2, ep->emm[9]+2);
772 if(!do_cmd(ep->emm[8],ep->emm[9]+5,0x53,0x16, emm_trim))
773 {
774 cs_debug("[nagra-reader] nagra2_do_emm failed");
775 return ERROR;
776 }
777 cs_sleepms(300);
778 }
779 return OK;
780}
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