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Merge pull request #83 from perexg/fixes-cryptoworks

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cwc: Add EMM support for the Cryptoworks system
This commit is contained in:
Andreas Öman 2012-04-10 10:28:53 -07:00
commit 6c1c0aa9b0
2 changed files with 79 additions and 1 deletions
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68
src/cwc.c
View file

@ -61,6 +61,7 @@ typedef enum {
CARD_VIACCESS,
CARD_NAGRA,
CARD_NDS,
CARD_CRYPTOWORKS,
CARD_UNKNOWN
} card_type_t;
@ -243,6 +244,7 @@ typedef struct cwc {
int shared_len;
uint8_t * shared_emm;
} cwc_viaccess_emm;
#define cwc_cryptoworks_emm cwc_viaccess_emm
/* Card type */
card_type_t cwc_card_type;
@ -280,6 +282,7 @@ void cwc_emm_seca(cwc_t *cwc, uint8_t *data, int len);
void cwc_emm_viaccess(cwc_t *cwc, uint8_t *data, int len);
void cwc_emm_nagra(cwc_t *cwc, uint8_t *data, int len);
void cwc_emm_nds(cwc_t *cwc, uint8_t *data, int len);
void cwc_emm_cryptoworks(cwc_t *cwc, uint8_t *data, int len);
/**
@ -696,6 +699,11 @@ cwc_detect_card_type(cwc_t *cwc)
tvhlog(LOG_INFO, "cwc", "%s: nds card",
cwc->cwc_hostname);
break;
case 0x0d:
cwc->cwc_card_type = CARD_CRYPTOWORKS;
tvhlog(LOG_INFO, "cwc", "%s: cryptoworks card",
cwc->cwc_hostname);
break;
default:
cwc->cwc_card_type = CARD_UNKNOWN;
break;
@ -1210,6 +1218,9 @@ cwc_emm(uint8_t *data, int len)
case CARD_NDS:
cwc_emm_nds(cwc, data, len);
break;
case CARD_CRYPTOWORKS:
cwc_emm_cryptoworks(cwc, data, len);
break;
case CARD_UNKNOWN:
break;
}
@ -1654,6 +1665,63 @@ cwc_emm_nds(cwc_t *cwc, uint8_t *data, int len)
cwc_send_msg(cwc, data, len, 0, 1);
}
void
cwc_emm_cryptoworks(cwc_t *cwc, uint8_t *data, int len)
{
int match = 0;
switch (data[0]) {
case 0x82: /* unique */
match = len >= 10 && memcmp(data + 5, cwc->cwc_ua + 3, 5) == 0;
break;
case 0x84: /* emm-sh */
if (len >= 9 && memcmp(data + 5, cwc->cwc_ua + 3, 4) == 0) {
if (cwc->cwc_cryptoworks_emm.shared_emm) {
free(cwc->cwc_cryptoworks_emm.shared_emm);
cwc->cwc_cryptoworks_emm.shared_len = 0;
cwc->cwc_cryptoworks_emm.shared_emm = (uint8_t *)malloc(len);
}
cwc->cwc_cryptoworks_emm.shared_emm = malloc(len);
if (cwc->cwc_cryptoworks_emm.shared_emm) {
cwc->cwc_cryptoworks_emm.shared_len = len;
memcpy(cwc->cwc_cryptoworks_emm.shared_emm, data, len);
}
}
break;
case 0x86: /* emm-sb */
if (cwc->cwc_cryptoworks_emm.shared_emm) {
/* python: EMM_SH[0:12] + EMM_SB[5:-1] + EMM_SH[12:-1] */
uint32_t elen = len - 5 + cwc->cwc_cryptoworks_emm.shared_len - 12;
uint8_t *tmp = malloc(elen);
uint8_t *composed = tmp ? malloc(elen + 12) : NULL;
if (composed) {
memcpy(tmp, data + 5, len - 5);
memcpy(tmp + len - 5, cwc->cwc_cryptoworks_emm.shared_emm + 12,
cwc->cwc_cryptoworks_emm.shared_len - 12);
memcpy(composed, cwc->cwc_cryptoworks_emm.shared_emm, 12);
sort_nanos(composed + 12, tmp, elen);
composed[1] = ((elen + 9) >> 8) | 0x70;
composed[2] = (elen + 9) & 0xff;
cwc_send_msg(cwc, composed, elen + 12, 0, 1);
free(composed);
free(tmp);
}
cwc->cwc_cryptoworks_emm.shared_emm = NULL;
cwc->cwc_cryptoworks_emm.shared_len = 0;
}
break;
case 0x88: /* global */
case 0x89: /* global */
match = 1;
break;
default:
break;
}
if (match)
cwc_send_msg(cwc, data, len, 0, 1);
}
/**
*
*/

12
src/psi.c
View file

@ -836,13 +836,23 @@ static struct strtab caidnametab[] = {
{ "Irdeto", 0x0600 },
{ "Irdeto", 0x0602 },
{ "Irdeto", 0x0604 },
{ "Irdeto", 0x0624 },
{ "Irdeto", 0x0666 },
{ "Jerroldgi", 0x0700 },
{ "Matra", 0x0800 },
{ "NDS", 0x0900 },
{ "Nokia", 0x0A00 },
{ "Conax", 0x0B00 },
{ "NTL", 0x0C00 },
{ "CryptoWorks", 0x0D00 },
{ "CryptoWorks", 0x0D00 },
{ "CryptoWorks", 0x0D01 },
{ "CryptoWorks", 0x0D02 },
{ "CryptoWorks", 0x0D03 },
{ "CryptoWorks", 0x0D05 },
{ "CryptoWorks", 0x0D0F },
{ "CryptoWorks", 0x0D70 },
{ "CryptoWorks ICE", 0x0D96 },
{ "CryptoWorks ICE", 0x0D97 },
{ "PowerVu", 0x0E00 },
{ "Sony", 0x0F00 },
{ "Tandberg", 0x1000 },