mardock2009/oscam-2.26.01-11942-802-with-Advanced-fake-dcw-detection
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3181f94e28
oscam-2.26.01-11942-802-wit.../reader-dre-cas.c
mardock2009 3181f94e28 cacheex-fix
2026-02-17 09:41:05 +00:00

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#include "globals.h"
#ifdef READER_DRECAS
#include "cscrypt/des.h"
#include "reader-common.h"
#include "reader-dre-common.h"
#include "csctapi/icc_async.h"
struct dre_data
{
uint8_t provider;
};
struct stm_keys
{
uint8_t stmcmd34[64][0x30];
} stm_keys_t;
uint8_t stm_curkey[2] = {0,0};
extern char cs_confdir[128];
#define MSP_CMD_BYTE 0x59
#define STM_CMD_BYTE 0x74
#define MOD_CMD_BYTE 0xDB
#define READ 0
#define WRITE 1
static void stm_key_operaion(struct s_reader *reader, int operation)
{
FILE *file = NULL;
char stmkeyfile[256];
int i;
if(reader->stmkeys == NULL)
{
snprintf(stmkeyfile,256,"%sstmkeys.bin",cs_confdir);
}
else
{
if(strchr(reader->stmkeys, '/') == NULL)
{
snprintf(stmkeyfile,256,"%s%s",cs_confdir, reader->stmkeys);
}
else
{
snprintf(stmkeyfile,256,"%s",reader->stmkeys);
}
}
if((file = fopen(stmkeyfile, operation == READ ? "rb" : "wb")) == NULL)
{
cs_log("Error: can't' open stm key file (%s)", stmkeyfile);
return;
}
if(operation == WRITE)
{
i = fwrite(&stm_keys_t, sizeof(stm_keys_t), 1, file);
}
else
{
i = fread(&stm_keys_t, sizeof(stm_keys_t), 1, file);
}
fclose(file);
if(!i) cs_log("Error read/write stm key file (%s)", stmkeyfile);
}
static uint8_t xor(const uint8_t *cmd, int32_t cmdlen)
{
int32_t i;
uint8_t checksum = 0x00;
for(i = 0; i < cmdlen; i++)
{ checksum ^= cmd[i]; }
return checksum;
}
static int8_t isValidDCW(uint8_t *dw)
{
if (((dw[0] + dw[1] + dw[2]) & 0xFF) != dw[3])
{
return 0;
}
if (((dw[4] + dw[5] + dw[6]) & 0xFF) != dw[7])
{
return 0;
}
if (((dw[8] + dw[9] + dw[10]) & 0xFF) != dw[11])
{
return 0;
}
if (((dw[12] + dw[13] + dw[14]) & 0xFF) != dw[15])
{
return 0;
}
return 1;
}
static int32_t drecas_send_cmd(struct s_reader *reader, uint8_t *cmd, int32_t cmdlen, uint8_t *cta_res, uint16_t *p_cta_lr, uint8_t dest)
{
// any command starts with this,
// last byte is nr of bytes of the command that will be sent
uint8_t startcmd[3] = { 0xDB, 0x00, 0x00 };
uint8_t command[260];
uint8_t checksum;
char tmp[256];
startcmd[1] = cmdlen + 2; // command + length + len + checksum bytes
startcmd[2] = dest;
memcpy(command, startcmd, 3);
memcpy(command + 3, cmd, cmdlen);
cmdlen += 3;
checksum = xor(command+2, cmdlen-2);
command[cmdlen++] = checksum;
rdr_log_dbg(reader, D_READER, "write to module: %s", cs_hexdump(0, command, cmdlen, tmp, sizeof(tmp)));
ICC_Async_Transmit(reader, (uint32_t) cmdlen, 0, command, 0, 200);
ICC_Async_Receive(reader, 2, cta_res, 50, 3000000);
ICC_Async_Receive(reader, cta_res[1], cta_res+2, 50, 3000000);
*p_cta_lr = cta_res[1] + 2;
rdr_log_dbg(reader, D_READER, "answer from module: %s", cs_hexdump(0, cta_res, *p_cta_lr, tmp, sizeof(tmp)));
checksum = xor(cta_res + 2, *p_cta_lr - 3);
if(cta_res[*p_cta_lr - 1] != checksum)
{
rdr_log(reader, "checksum does not match, expected %02x received %02x:%s", checksum,
cta_res[*p_cta_lr - 1], cs_hexdump(0, cta_res, *p_cta_lr, tmp, sizeof(tmp)));
return ERROR; // error
}
return OK;
}
static int32_t drecas_MSP_command(struct s_reader *reader, const uint8_t *cmd, int32_t cmdlen, uint8_t *cta_res, uint16_t *p_cta_lr)
{
// attention: inputcommand will be changed!!!
// answer will be in cta_res, length cta_lr ; returning 1 = no error, return ERROR = err
uint8_t startcmd[] = { 0x80, 0xFF, 0x10, 0x01, 0x05 }; // any command starts with this,
uint8_t command[256];
uint8_t checksum;
char tmp[256];
startcmd[4] = cmdlen + 3; // command + length + len + checksum bytes
memcpy(command, startcmd, 5);
command[5] = MSP_CMD_BYTE; // type
command[6] = cmdlen + 1; // len = command + 1 checksum byte
memcpy(command + 7, cmd, cmdlen);
checksum = ~xor(cmd, cmdlen);
cmdlen += 7;
command[cmdlen++] = checksum;
if(drecas_send_cmd(reader, command, cmdlen, cta_res, p_cta_lr, 1) != OK) return ERROR;
if(cta_res[4] != MSP_CMD_BYTE) return ERROR;
if((cta_res[5] == 0x03) && (cta_res[6] == 0xe2))
{
switch(cta_res[7])
{
case 0xe1:
rdr_log(reader, "checksum error: %s.", cs_hexdump(0, cta_res, *p_cta_lr, tmp, sizeof(tmp)));
break;
case 0xe2:
rdr_log(reader, "wrong cmd len: %s.", cs_hexdump(0, cta_res, *p_cta_lr, tmp, sizeof(tmp)));
break;
case 0xe3:
rdr_log(reader, "illegal command: %s.", cs_hexdump(0, cta_res, *p_cta_lr, tmp, sizeof(tmp)));
break;
case 0xe4:
rdr_log(reader, "wrong adress type: %s.", cs_hexdump(0, cta_res, *p_cta_lr, tmp, sizeof(tmp)));
break;
case 0xe5:
rdr_log(reader, "wrong CMD param: %s.", cs_hexdump(0, cta_res, *p_cta_lr, tmp, sizeof(tmp)));
break;
case 0xe6:
rdr_log(reader, "wrong UA: %s.", cs_hexdump(0, cta_res, *p_cta_lr, tmp, sizeof(tmp)));
break;
case 0xe7:
rdr_log(reader, "wrong group: %s.", cs_hexdump(0, cta_res, *p_cta_lr, tmp, sizeof(tmp)));
break;
case 0xe8:
rdr_log(reader, "wrong key num: %s.", cs_hexdump(0, cta_res, *p_cta_lr, tmp, sizeof(tmp)));
break;
case 0xeb:
rdr_log(reader, "No key or subscribe : %s.", cs_hexdump(0, cta_res, *p_cta_lr, tmp, sizeof(tmp)));
break;
case 0xec:
rdr_log(reader, "wrong signature: %s.", cs_hexdump(0, cta_res, *p_cta_lr, tmp, sizeof(tmp)));
break;
case 0xed:
rdr_log(reader, "wrong provider: %s.", cs_hexdump(0, cta_res, *p_cta_lr, tmp, sizeof(tmp)));
break;
case 0xef:
rdr_log(reader, "wrong GEO code: %s.", cs_hexdump(0, cta_res, *p_cta_lr, tmp, sizeof(tmp)));
break;
default:
rdr_log_dbg(reader, D_READER, "unknown error: %s.", cs_hexdump(0, cta_res, *p_cta_lr, tmp, sizeof(tmp)));
break;
}
return ERROR; // error
}
int32_t length_excl_leader = *p_cta_lr;
checksum = ~xor(cta_res + 6, length_excl_leader - 8);
if(cta_res[length_excl_leader - 2] != checksum)
{
rdr_log(reader, "checksum does not match, expected %02x received %02x:%s", checksum,
cta_res[length_excl_leader - 2], cs_hexdump(0, cta_res, *p_cta_lr, tmp, sizeof(tmp)));
return ERROR; // error
}
return OK;
}
#define drecas_MSP_script_nb(cmd, len) \
drecas_MSP_command(reader, cmd, len, cta_res, &cta_lr); \
#define drecas_MSP_script(cmd, len) \
{ \
drecas_MSP_script_nb(cmd, len) \
}
#define drecas_MSP_cmd_nb(cmd) \
drecas_MSP_command(reader, cmd, sizeof(cmd), cta_res, &cta_lr); \
#define drecas_MSP_cmd(cmd) \
{ \
drecas_MSP_cmd_nb(cmd) \
}
static int32_t drecas_STM_command(struct s_reader *reader, const uint8_t *cmd, int32_t cmdlen, uint8_t *cta_res, uint16_t *p_cta_lr)
{
// attention: inputcommand will be changed!!!!
//answer will be in cta_res, length cta_lr ; returning 1 = no error, return ERROR = err
uint8_t command[256];
uint8_t checksum;
char tmp[256];
command[0] = 0xC2;
command[1] = STM_CMD_BYTE; // type
command[2] = cmdlen + 1; // len = command + 1 checksum byte
memcpy(command + 3, cmd, cmdlen);
checksum = ~xor(cmd, cmdlen);
cmdlen += 3;
command[cmdlen++] = checksum;
if(drecas_send_cmd(reader, command, cmdlen, cta_res, p_cta_lr, 0) != OK) return ERROR;
if(cta_res[4] != STM_CMD_BYTE) return ERROR;
if((cta_res[5] == 0x03) && (cta_res[6] == 0xe2))
{
switch(cta_res[7])
{
case 0xe1:
rdr_log(reader, "checksum error: %s.", cs_hexdump(0, cta_res, *p_cta_lr, tmp, sizeof(tmp)));
break;
case 0xe2:
rdr_log(reader, "wrong cmd len: %s.", cs_hexdump(0, cta_res, *p_cta_lr, tmp, sizeof(tmp)));
break;
case 0xe3:
rdr_log(reader, "illegal command: %s.", cs_hexdump(0, cta_res, *p_cta_lr, tmp, sizeof(tmp)));
break;
case 0xe4:
rdr_log(reader, "wrong adress type: %s.", cs_hexdump(0, cta_res, *p_cta_lr, tmp, sizeof(tmp)));
break;
case 0xe5:
rdr_log(reader, "wrong CMD param: %s.", cs_hexdump(0, cta_res, *p_cta_lr, tmp, sizeof(tmp)));
break;
case 0xe6:
rdr_log(reader, "wrong UA: %s.", cs_hexdump(0, cta_res, *p_cta_lr, tmp, sizeof(tmp)));
break;
case 0xe7:
rdr_log(reader, "wrong group: %s.", cs_hexdump(0, cta_res, *p_cta_lr, tmp, sizeof(tmp)));
break;
case 0xe8:
rdr_log(reader, "wrong key num: %s.", cs_hexdump(0, cta_res, *p_cta_lr, tmp, sizeof(tmp)));
break;
case 0xeb:
rdr_log(reader, "No key or subscribe : %s.", cs_hexdump(0, cta_res, *p_cta_lr, tmp, sizeof(tmp)));
break;
case 0xec:
rdr_log(reader, "wrong signature: %s.", cs_hexdump(0, cta_res, *p_cta_lr, tmp, sizeof(tmp)));
break;
case 0xed:
rdr_log(reader, "wrong provider: %s.", cs_hexdump(0, cta_res, *p_cta_lr, tmp, sizeof(tmp)));
break;
case 0xef:
rdr_log(reader, "wrong GEO code: %s.", cs_hexdump(0, cta_res, *p_cta_lr, tmp, sizeof(tmp)));
break;
default:
rdr_log_dbg(reader, D_READER, "unknown error: %s.", cs_hexdump(0, cta_res, *p_cta_lr, tmp, sizeof(tmp)));
break;
}
return ERROR; // error
}
int32_t length_excl_leader = *p_cta_lr;
checksum = ~xor(cta_res + 6, length_excl_leader - 8);
if(cta_res[length_excl_leader - 2] != checksum)
{
rdr_log(reader, "checksum does not match, expected %02x received %02x:%s", checksum,
cta_res[length_excl_leader - 2], cs_hexdump(0, cta_res, *p_cta_lr, tmp, sizeof(tmp)));
return ERROR; // error
}
return OK;
}
#define drecas_STM_script_nb(cmd, len) \
drecas_STM_command(reader, cmd, len, cta_res, &cta_lr); \
#define drecas_STM_script(cmd, len) \
{ \
drecas_STM_script_nb(cmd, len) \
}
#define drecas_STM_cmd_nb(cmd) \
drecas_STM_command(reader, cmd, sizeof(cmd), cta_res, &cta_lr); \
#define drecas_STM_cmd(cmd) \
{ \
drecas_STM_cmd_nb(cmd) \
}
static int32_t drecas_set_provider_info(struct s_reader *reader)
{
def_resp;
int32_t i;
uint8_t subscr[] = { 0x59, 0x14 }; // subscriptions
uint8_t dates[] = { 0x5b, 0x00, 0x14 }; // validity dates
struct dre_data *csystem_data = reader->csystem_data;
subscr[1] = csystem_data->provider;
cs_clear_entitlement(reader);
if(({drecas_MSP_cmd_nb(subscr)})) // ask subscription packages, returns error on 0x11 card
{
uint8_t pbm[32];
char tmp_dbg[65];
memcpy(pbm, cta_res + 7, 32);
rdr_log_dbg(reader, D_READER, "pbm: %s", cs_hexdump(0, pbm, 32, tmp_dbg, sizeof(tmp_dbg)));
for(i = 0; i < 32; i++)
{
if(pbm[i] != 0xff)
{
dates[1] = i;
dates[2] = csystem_data->provider;
drecas_MSP_cmd(dates); // ask for validity dates
time_t start;
time_t end;
start = (cta_res[7] << 24) | (cta_res[8] << 16) | (cta_res[9] << 8) | cta_res[10];
end = (cta_res[11] << 24) | (cta_res[12] << 16) | (cta_res[13] << 8) | cta_res[14];
struct tm temp;
localtime_r(&start, &temp);
int32_t startyear = temp.tm_year + 1900;
int32_t startmonth = temp.tm_mon + 1;
int32_t startday = temp.tm_mday;
localtime_r(&end, &temp);
int32_t endyear = temp.tm_year + 1900;
int32_t endmonth = temp.tm_mon + 1;
int32_t endday = temp.tm_mday;
rdr_log(reader, "active package %i valid from %04i/%02i/%02i to %04i/%02i/%02i",
i, startyear, startmonth, startday, endyear, endmonth, endday);
cs_add_entitlement(reader, reader->caid, b2ll(4, reader->prid[0]), 0, i, start, end, 5, 1);
}
}
}
return OK;
}
static int32_t drecas_card_init(struct s_reader *reader, ATR *newatr)
{
get_atr;
def_resp;
uint8_t ua[] = { 0x43, 0x15 }; // get serial number (UA)
uint8_t providers[] = { 0x49, 0x15 }; // get providers
int32_t i;
char *card;
char tmp[9];
uint8_t module_atr[] = { 0xDB, 0x0B, 0x08, 0xA3, 0x3B, 0x15, 0x11, 0x12, 0x01, 0x01, 0x11, 0x07, 0x90 };
if(memcmp(atr, module_atr, sizeof(module_atr)) != 0)
{ return ERROR; }
if(!cs_malloc(&reader->csystem_data, sizeof(struct dre_data)))
{ return ERROR; }
struct dre_data *csystem_data = reader->csystem_data;
csystem_data->provider = atr[10];
uint8_t checksum = xor(atr + 5, 6);
if(checksum != atr[11])
{ rdr_log(reader, "warning: expected ATR checksum %02x, smartcard reports %02x", checksum, atr[7]); }
switch(atr[10])
{
case 0x11:
card = "Tricolor Centr DRE2";
reader->caid = 0x4ae1;
break; // 59 type card = MSP (74 type = ATMEL)
case 0x14:
card = "Tricolor Syberia DRE2";
reader->caid = 0x4ae1;
break; // 59 type card
default:
return ERROR;
}
memset(reader->prid, 0x00, 8);
reader->prid[0][3] = csystem_data->provider;
uint8_t cmd54[] = { 0x54, 0x14 }; // geocode
cmd54[1] = csystem_data->provider;
uint8_t geocode = 0;
if(({drecas_MSP_cmd_nb(cmd54)})) // error would not be fatal, like on 0x11 cards
{ geocode = cta_res[7]; }
providers[1] = csystem_data->provider;
if(!({drecas_MSP_cmd_nb(providers)}))
{ return ERROR; } // fatal error
if((cta_res[2] != 0x09) || (cta_res[3] != 0xC0))
{ return ERROR; }
uint8_t provname[128];
for(i = 0; ((i < cta_res[6] - 6) && (i < 128)); i++)
{
provname[i] = cta_res[10 + i];
if(provname[i] == 0x00)
{ break; }
}
int32_t major_version = cta_res[7];
int32_t minor_version = cta_res[8];
ua[1] = csystem_data->provider;
drecas_MSP_cmd(ua); // error would not be fatal
// discard first and last byte, last byte is always checksum, first is answer code
int32_t hexlength = cta_res[5] - 2;
if(reader->force_ua)
{
rdr_log(reader, "WARNING!!!! used UA from force_ua %08X", reader->force_ua);
memcpy(cta_res + 7, &reader->force_ua, 8);
}
reader->hexserial[0] = 0;
reader->hexserial[1] = 0;
memcpy(reader->hexserial + 2, cta_res + 7, hexlength);
int32_t low_dre_id, dre_chksum;
uint8_t buf[32];
low_dre_id = ((cta_res[8] << 16) | (cta_res[9] << 8) | cta_res[10]) - 48608;
dre_chksum = 0;
snprintf((char *)buf, sizeof(buf), "%i%i%08i", csystem_data->provider - 16, major_version + 1, low_dre_id);
for(i = 0; i < 32; i++)
{
if(buf[i] == 0x00)
{ break; }
dre_chksum += buf[i] - 48;
}
rdr_log(reader, "type: DRE Crypt, caid: %04X, serial: {%s}, dre id: %i%i%i%08i, geocode %i, card: %s v%i.%i",
reader->caid, cs_hexdump(0, reader->hexserial + 2, 4, tmp, sizeof(tmp)), dre_chksum, csystem_data->provider - 16,
major_version + 1, low_dre_id, geocode, card, major_version, minor_version);
rdr_log(reader, "Provider name:%s.", provname);
memset(reader->sa, 0, sizeof(reader->sa));
// copy first byte of unique address also in shared address, because we don't know what it is...
memcpy(reader->sa[0], reader->hexserial + 2, 1);
rdr_log_sensitive(reader, "SA = %02X%02X%02X%02X, UA = {%s}", reader->sa[0][0], reader->sa[0][1], reader->sa[0][2],
reader->sa[0][3], cs_hexdump(0, reader->hexserial + 2, 4, tmp, sizeof(tmp)));
reader->nprov = 1;
// exec user script, wicardd format
if(reader->userscript != NULL)
{
uint8_t *usercmd = NULL;
int cmd_len;
int n;
char *tempbuf = malloc(2048);
if (!tempbuf)
{
return ERROR;
}
trim2(reader->userscript);
FILE *pFile = fopen(reader->userscript, "rt");
if(pFile != NULL)
{
do
{
tempbuf[0] = '\0';
if(usercmd != NULL) NULLFREE(usercmd);
if(fgets(tempbuf, 2048, pFile) == NULL) continue;
if(cs_strlen(tempbuf) < 10) continue;
trim2(tempbuf);
if((tempbuf[0] != '5' && tempbuf[1] != '9') && (tempbuf[0] != '7' && tempbuf[1] != '4')) continue;
strtoupper(tempbuf);
cmd_len = cs_strlen(tempbuf) / 2 - 3;
usercmd = malloc(cmd_len);
if (!usercmd)
{
free(tempbuf);
return ERROR;
}
for(i = 0, n = 4; i < cmd_len; i++, n += 2)
{
usercmd[i] = ((tempbuf[n] - (tempbuf[n] > 0x39 ? 0x37 : 0x30)) << 4) + ((tempbuf[n + 1] - (tempbuf[n + 1] > 0x39 ? 0x37 : 0x30)) & 0xF);
}
if(tempbuf[0] != '7' && tempbuf[1] != '4')
{
rdr_log(reader, "Script %s", ({drecas_MSP_script_nb(usercmd, cmd_len)}) ? "done" : "error");
}
else
{
rdr_log(reader, "Script %s", ({drecas_STM_script_nb(usercmd, cmd_len)}) ? "done" : "error");
}
}
while(!feof(pFile));
}
else
{
rdr_log(reader, "Can't open script file (%s)", reader->userscript);
}
if(usercmd != NULL) free(usercmd);
if(tempbuf != NULL) free(tempbuf);
}
if(csystem_data->provider == 0x11)
{
memset(reader->prid[1], 0x00, 8);
reader->prid[1][3] = 0xFE;
reader->nprov = 2;
}
if(!drecas_set_provider_info(reader))
{ return ERROR; } // fatal error
stm_key_operaion(reader, READ);
rdr_log(reader, "ready for requests");
return OK;
}
static void DREover(struct s_reader *reader, const uint8_t *ECMdata, uint8_t *DW)
{
uint32_t key_schedule[32];
if(reader->des_key_length < 128)
{
rdr_log(reader, "error: deskey is missing or too short");
return;
}
if(ECMdata[2] >= (43 + 4) && ECMdata[40] == 0x3A && ECMdata[41] == 0x4B)
{
des_set_key(&reader->des_key[(ECMdata[42] & 0x0F) * 8], key_schedule);
des(DW, key_schedule, 0); // even DW post-process
des(DW + 8, key_schedule, 0); // odd DW post-process
};
};
static int32_t drecas_do_ecm(struct s_reader *reader, const ECM_REQUEST *er, struct s_ecm_answer *ea)
{
def_resp;
uint16_t overcryptId;
uint8_t tmp[16];
char tmp_dbg[256];
struct dre_data *csystem_data = reader->csystem_data;
if(reader->caid == 0x4ae1)
{
if(csystem_data->provider == 0x11 || csystem_data->provider == 0x14)
{
uint8_t ecmcmd51[] = { 0x51, 0x02, 0x56, 0x05, 0x00, 0x4A, 0xE3, // fixed header?
0x9C, 0xDA, // first three nibbles count up, fourth nibble counts down; all ECMs sent twice
0xC1, 0x71, 0x21, 0x06, 0xF0, 0x14, 0xA7, 0x0E, // next key?
0x89, 0xDA, 0xC9, 0xD7, 0xFD, 0xB9, 0x06, 0xFD, // current key?
0xD5, 0x1E, 0x2A, 0xA3, 0xB5, 0xA0, 0x82, 0x11, // key or signature?
0x14 }; // provider
memcpy(ecmcmd51 + 1, er->ecm + 5, 0x21);
rdr_log_dbg(reader, D_READER, "unused ECM info front:%s", cs_hexdump(0, er->ecm, 5, tmp_dbg, sizeof(tmp_dbg)));
rdr_log_dbg(reader, D_READER, "unused ECM info back:%s", cs_hexdump(0, er->ecm + 37, 4, tmp_dbg, sizeof(tmp_dbg)));
rdr_log_dbg(reader, D_READER, "ECM: %s",cs_hexdump(0, er->ecm, er->ecm[2] + 3, tmp_dbg, sizeof(tmp_dbg)));
ecmcmd51[33] = csystem_data->provider; // no part of sig
if(({drecas_MSP_cmd_nb(ecmcmd51)})) // ecm request
{
if((cta_res[2] != 0x09) || (cta_res[3] != 0xC0))
{ return ERROR; } // exit if response is not 90 00
if(er->ecm[3] == 0x01)
{
uint8_t ecmcmd33[18] = { 0x33, 0x1F,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
int i;
for(i = 0; i < 16; i++)
{
ecmcmd33[i + 2] = cta_res[7 + (i ^ 3)];
}
if(er->ecm[5] != stm_curkey[0] || er->ecm[6] != stm_curkey[1])
{
uint8_t blank[0x30];
memset(blank, 0, 0x30);
if(memcmp(blank, stm_keys_t.stmcmd34[er->ecm[5] + (er->ecm[6] == 0x3B ? 0 : 32)], 0x30) == 0)
{
rdr_log_dbg(reader, D_READER, "STM key not found");
return ERROR;
}
if(!({drecas_STM_cmd_nb(stm_keys_t.stmcmd34[er->ecm[5] + (er->ecm[6] == 0x3B ? 0 : 32)])}))
{
rdr_log_dbg(reader, D_READER, "Error STM set key: %s",cs_hexdump(0, cta_res, cta_lr, tmp_dbg, sizeof(tmp_dbg)));
return ERROR;
}
if((cta_res[cta_lr - 4] != 0x02) || (cta_res[cta_lr - 3] != 0xA2))
{
rdr_log_dbg(reader, D_READER, "Error STM set key: %s",cs_hexdump(0, cta_res, cta_lr, tmp_dbg, sizeof(tmp_dbg)));
return ERROR;
}
}
stm_curkey[0] = er->ecm[5];
stm_curkey[1] = er->ecm[6];
if(!({drecas_STM_cmd_nb(ecmcmd33)}))
{ return ERROR; }
if(cta_res[1] != 0x17 || cta_res[6] != 0xD2)
{ return ERROR; }
memcpy(tmp, &cta_res[7], 16);
for(i = 0; i < 16; i++)
{
cta_res[i + 7] = tmp[i ^ 3];
}
}
if(er->ecm[2] >= 46 && er->ecm[43] == 1 && csystem_data->provider == 0x11)
{
memcpy(&tmp[0], &cta_res[15], 8);
memcpy(&tmp[8], &cta_res[7], 8);
overcryptId = b2i(2, &er->ecm[44]);
rdr_log_dbg(reader, D_READER, "ICG ID: %04X", overcryptId);
Drecrypt2OverCW(overcryptId,tmp);
if(isValidDCW(tmp))
{
memcpy(ea->cw, tmp, 16);
return OK;
}
return ERROR;
}
DREover(reader, er->ecm, cta_res + 7);
if(isValidDCW(cta_res + 7))
{
memcpy(ea->cw, cta_res + 15, 8);
memcpy(ea->cw + 8, cta_res + 7, 8);
return OK;
}
}
}
}
return ERROR;
}
static int32_t drecas_do_emm(struct s_reader *reader, EMM_PACKET *ep)
{
def_resp;
struct dre_data *csystem_data = reader->csystem_data;
if(reader->caid == 0x4ae1)
{
if(reader->caid != b2i(2, ep->caid)) return ERROR;
if(ep->type == UNIQUE && ep->emm[39] == 0x3d)
{
/* For new package activation. */
uint8_t emmcmd58[26];
emmcmd58[0] = 0x58;
memcpy(&emmcmd58[1], &ep->emm[40], 24);
emmcmd58[25] = csystem_data->provider;
if(({drecas_MSP_cmd_nb(emmcmd58)}))
if((cta_res[2] != 0x09) || (cta_res[3] != 0xC0))
{ return ERROR; }
}
else if(ep->emm[0] == 0x86 && ep->emm[4] == 0x02 /*&& csystem_data->provider != 0x11*/)
{
uint8_t emmcmd52[0x3a];
emmcmd52[0] = 0x52;
int32_t i;
for(i = 0; i < 2; i++)
{
memcpy(emmcmd52 + 1, ep->emm + 5 + 32 + i * 56, 56);
// check for shared address
if(ep->emm[3] != reader->sa[0][0])
{ return OK; } // ignore, wrong address
emmcmd52[0x39] = csystem_data->provider;
if(({drecas_MSP_cmd_nb(emmcmd52)}))
if((cta_res[2] != 0x09) || (cta_res[3] != 0xC0))
{ return ERROR; } // exit if response is not 90 00
}
}
else if(ep->emm[0] == 0x86 && ep->emm[4] == 0x4D && csystem_data->provider == 0x11)
{
uint8_t emmcmd52[0x3a];
emmcmd52[0] = 0x52;
emmcmd52[1] = 0x01;
emmcmd52[2] = ep->emm[5];
emmcmd52[3] = 0x01;
emmcmd52[4] = ep->emm[3];
emmcmd52[5] = 0;
emmcmd52[6] = 0;
emmcmd52[7] = 0;
emmcmd52[9] = 0x01;
emmcmd52[10] = 0x01;
emmcmd52[11] = 0;
memcpy(emmcmd52 + 13, ep->emm + 0x5C, 4);
int32_t i;
for(i = 0; i < 2; i++)
{
emmcmd52[8] = ep->emm[0x61 + i * 0x29];
if(i == 0) emmcmd52[12] = ep->emm[0x60] == 0x56 ? 0x56 : 0x3B;
else emmcmd52[12] = ep->emm[0x60] == 0x56 ? 0x3B : 0x56;
memcpy(emmcmd52 + 0x11, ep->emm + 0x62 + i * 0x29, 40);
// check for shared address
if(ep->emm[3] != reader->sa[0][0])
{ return OK; } // ignore, wrong address
emmcmd52[0x39] = csystem_data->provider;
if(({drecas_MSP_cmd_nb(emmcmd52)}))
if((cta_res[2] != 0x09) || (cta_res[3] != 0xC0))
{ return ERROR; } // exit if response is not 90 00
}
uint8_t emmcmd34[0x30] = {
0x34, 0x00, 0x01, 0x20, 0x00, 0x00, 0x00, 0x10,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
emmcmd34[1] = ep->emm[0x05];
emmcmd34[2] = ep->emm[0x5A];
emmcmd34[3] = ep->emm[0x03];
uint8_t need_save = 0;
for(i = 0; i < 2; i++)
{
memcpy(&emmcmd34[7], &ep->emm[(i * 0x29) + 8] , 41);
if(memcmp(emmcmd34, stm_keys_t.stmcmd34[ep->emm[0x05] + (ep->emm[7] == 0x3B ? i * 32 : (i == 0 ? 32 : 0))], 0x30) != 0)
{
memcpy(stm_keys_t.stmcmd34[ep->emm[0x05] + (ep->emm[7] == 0x3B ? i * 32 : (i == 0 ? 32 : 0))], emmcmd34, 0x30);
need_save = 1;
}
}
if(need_save == 1) stm_key_operaion(reader, WRITE);
}
else if(ep->type == GLOBAL && ep->emm[0] == 0x91)
{
Drecrypt2OverEMM(ep->emm);
return OK;
}
else return OK;
}
return ERROR;
}
static int32_t drecas_card_info(struct s_reader *UNUSED(rdr))
{
return OK;
}
const struct s_cardsystem reader_drecas =
{
.desc = "drecas",
.caids = (uint16_t[]){ 0x4AE1, 0 },
.do_emm = drecas_do_emm,
.do_ecm = drecas_do_ecm,
.card_info = drecas_card_info,
.card_init = drecas_card_init,
.get_emm_type = dre_common_get_emm_type,
.get_emm_filter = dre_common_get_emm_filter,
};
#endif
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