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capmt: do not cache keys for the descrambler layer

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This commit is contained in:
Jaroslav Kysela 2014-07-28 12:23:40 +02:00
parent 9b4165296b
commit 3400ee8603
1 changed files with 3 additions and 2 deletions
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5
src/descrambler/capmt.c
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@ -1043,6 +1043,7 @@ capmt_analyze_cmd(capmt_t *capmt, int adapter, sbuf_t *sb, int offset)
} else if (cmd == CA_SET_DESCR) {
static uint8_t empty[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
int32_t index = sbuf_peek_s32(sb, offset + 4);
int32_t parity = sbuf_peek_s32(sb, offset + 8);
uint8_t *cw = sbuf_peek (sb, offset + 12);
@ -1056,10 +1057,10 @@ capmt_analyze_cmd(capmt_t *capmt, int adapter, sbuf_t *sb, int offset)
cai = &capmt->capmt_adapters[adapter].ca_info[index];
if (parity == 0) {
memcpy(cai->even, cw, 8); // even key
capmt_process_key(capmt, adapter, cai->seq, cai->even, cai->odd, 1);
capmt_process_key(capmt, adapter, cai->seq, cai->even, empty, 1);
} else if (parity == 1) {
memcpy(cai->odd, cw, 8); // odd key
capmt_process_key(capmt, adapter, cai->seq, cai->even, cai->odd, 1);
capmt_process_key(capmt, adapter, cai->seq, empty, cai->odd, 1);
} else
tvhlog(LOG_ERR, "capmt", "Invalid parity %d in CA_SET_DESCR for adapter%d", parity, adapter);