1、 G Y /Z 175 2001 Specification of conditional access system for digital television broadcasting 2001-09-18 1 1 2 1 3 1 4 3 5 5 6 6 6.1 6 6.2 7 6.3 / .7 6.4 / .7 7 7 7.1 7 7.2 7 7.3 8 7.4 8 7.5 8 7.6 8 7.7 8 7.8 8 7.9 9 7.10 9 7.11 9 A 10 A1 .10 A2 CA 10 A3 .10 B 12 B1 .12 B2 .12 B3 .13 C 15 C1 .15 C
2、2 .15 C3 .15 C4 .15 C5 .15 D 17 GY/Z 175 2001 D1 CARD_ID . 17 D2 CARD_NO . 17 E 18 E1 18 E2 18 E3 19 E4 . . 20 E5 23 E6 25 E7 40 E8 43 E9 SCS 45 E10 CW 45 F 48 F1 48 F2 49 F3 49 F4 TSI. 53 F5 53 F6 65 F7 PC 103 F8 . 121 G 131 G1 . 131 G2 . 131 G3 . 135 G4 . 136 G5 . 138 G6 . 139 G7 . 139 G8 . 153 G9
3、 . 158 G10 . 160 G11 . 162 G12 CA_PMT . 162 G13 . 170 H 173 H1 . 173 H2 MPEG-2 174 H3 174 H4 CA .175 I CA / SI/PSI 177 I1 SI/PSI .177 I2 TS CA 177 I3 CA .178 I4 183 DVB 9 A B C D E F G H I CA / SI/PSI A B C D E F H I G GY/Z 1752001 1 1 CA / SI/PSI 2 GB/T 17975.1-2000 1 GB/T 17975.9-2000 9 GB/T 16649
4、.1-1996 GB/T 16649.2-1996 GB/T 19949.3-1996 GB/T 14219-1993 GY/Z 174-2001 PC 2 1995 2 PCMCIA PC 3 1995 2 PCMCIA PC 4 Metaformat ,1995 2 PCMCIA 3 3.1 transport stream GB/T 17975.1 3.2 multicrypt 3.3 multiplex 3.4 multiplexer MUX Specification of conditional access system for digital television broadc
5、asting G Y /Z 175 2001 2001-09-18 GY/Z 175-2001 2 3.5 common interface 3.6 broadcaster service provider 3.7 / encryption/decryption system EMM ECM ECM 3.8 / scramble/descramble system 3.9 crypto period CP 3.10 forbidden 3.11 client 3.12 control word CW 3.13 control word generator CWG 3.14 module CA
6、EPG 3.15 entitlement management message EMM 3.16 entitlement management message generator EMMG 3.17 entitlement control message ECM 3.18 entitlement control message generator ECMG GY/Z 175-2001 3 3.19 channel TCP TCP 3.20 simulcrypt 3.21 simulcrypt synchroniser SCS 3.22 service 3.23 service informat
7、ion SI 3.24 application 3.25 Smart Card IC Integrated Circuit Card IC 3.26 host IP IP IRD VCR PC 3.27 host head-end 3.28 proprietary CA 3.29 trans-control 3.30 resource 4 AF Adaptation Field APDU Application Protocol Data Unit GY/Z 175-2001 4 ASN Abstract Syntax Notation Bslbf bit string, left bit f
8、irst CA Conditional Access CAM Conditional Access Module CAS Conditional Access System CAT Conditional Access Table CI Common Interface CP Crypto Period CPU Centre Process Unit CRC Cyclic Redundancy Check CW Control Word CWG Control Word Generator ECM Entitlement Control Message ECMG Entitlement Con
9、trol Message Generator EIS Event Info Scheduler EIT Event Information Table EMM Entitlement Management Message EMMG Entitlement Management Message Generator EPG Electronic Program Guide ID Identifier IP Internet Protocol IPPV Impulse Pay Per View IRD Integrated Receiver Decoder ISO International Org
10、anization for Standardization LSB Least Significated Bit MJD Modified Julian Date MMI Man Machine Interface MPEG Moving Pictures Expert Group MSB Most Significant Bit MUX Multiplexer NDA Non Disclosure Agreement NIT Network Information Table OSD On Screen Display OSI Open Systems Interconnect PAT Pr
11、ogram Association Table PCMCIA Personal Computer Memory Card International Association PDG Private Data Generator PES Packet Elementary Stream PID Packet Identifier GY/Z 175-2001 5 PMT Program Map Table PPC Pay Per Channel PPV Pay Per View PSI Program Specific Information rpchof Remainder Polynomial
12、 Coefficients, Highest Order First SAS Subscriber Authorization System SC Smart Card SCR Scrambler SCS Simulcrypt Synchroniser SDT Service Description Table SI Service Information SIG Service Information Generator SMS Subscriber Management System SPDU Session Protocol Data Unit ST Stuffing Table STB
13、 Set Top Box tcimsbf twos complement integer msb (sign) bit first 2 TCP Transport Control Protocol TDT Time and Date Table TLV Type, Length, Value TPDU Transport Protocol Data Unit TS Transport Stream UDP User Datagram Protocol uimsbf unsigned integer most significant bit first UTC Universal Time Coordinated 5 CA GY/Z 175-2001 6 6 / / 1 1 6.1 6.1.1 6.1.2 6.1.3 ECM ECM EMM CA SI EMM GY/Z 175-2001 7 6.2 CA SI SI/PSI CA ECM SMS 6.3 / 6.4 / EMM ECM ECM 7 7.1 1 1 2 2 0x0000-0xFFFF 0x0000-0xFFFF 7.2 7.2
