CA2405899C - Systeme de chiffrement partiel utilisant la mise en correspondance - Google Patents
Systeme de chiffrement partiel utilisant la mise en correspondance Download PDFInfo
- Publication number
- CA2405899C CA2405899C CA2405899A CA2405899A CA2405899C CA 2405899 C CA2405899 C CA 2405899C CA 2405899 A CA2405899 A CA 2405899A CA 2405899 A CA2405899 A CA 2405899A CA 2405899 C CA2405899 C CA 2405899C
- Authority
- CA
- Canada
- Prior art keywords
- packets
- encrypted
- encryption
- content
- packet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
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- 238000001824 photoionisation detection Methods 0.000 description 66
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- 101100477392 Caenorhabditis elegans set-17 gene Proteins 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/2347—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption
- H04N21/23476—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption by partially encrypting, e.g. encrypting the ending portion of a movie
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Priority Applications (16)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003561245A JP4557548B2 (ja) | 2002-01-02 | 2002-12-13 | 部分暗号化及びパケット識別子のマッピング |
| CN2009101454053A CN101572795B (zh) | 2002-01-02 | 2002-12-13 | 部分加密和pid映射 |
| CN2010102029576A CN101883243B (zh) | 2002-01-02 | 2002-12-13 | 部分加密和pid映射 |
| EP02806457A EP1461952B1 (fr) | 2002-01-02 | 2002-12-13 | Cryptage partiel et mise en correspondance d'identificateurs de paquets |
| AU2002357213A AU2002357213A1 (en) | 2002-01-02 | 2002-12-13 | Partial encryption and pid mapping |
| KR1020047010505A KR100952800B1 (ko) | 2002-01-02 | 2002-12-13 | 부분적 암호화 및 ｐｉｄ 맵핑 |
| CNB02828450XA CN100559867C (zh) | 2002-01-02 | 2002-12-13 | 部分加密和pid映射的方法 |
| MXPA04006444A MXPA04006444A (es) | 2002-01-02 | 2002-12-13 | Encriptacion parcial y mapeo de pid. |
| EP11163226.1A EP2343890B1 (fr) | 2002-01-02 | 2002-12-13 | Cryptage partiel et mise en correspondance d'identificateurs de paquets |
| KR1020097003358A KR100952820B1 (ko) | 2002-01-02 | 2002-12-13 | 부분적 암호화 및 ｐｉｄ 맵핑 |
| EP11163231.1A EP2343891B1 (fr) | 2002-01-02 | 2002-12-13 | Cryptage partiel et mise en correspondance d'identificateurs de paquets |
| PCT/US2002/039958 WO2003061288A1 (fr) | 2002-01-02 | 2002-12-13 | Cryptage partiel et mise en correspondance d'identificateurs de paquets |
| JP2009273566A JP5161863B2 (ja) | 2002-01-02 | 2009-12-01 | 部分暗号化及びパケット識別子のマッピング |
| HK10103543.4A HK1137604A1 (en) | 2002-01-02 | 2010-04-12 | Partial encryption and pid mapping |
| HK11104391.4A HK1151152A1 (en) | 2002-01-02 | 2011-05-03 | Partial encryption and pid mapping |
| US13/219,192 US8411857B2 (en) | 2002-01-02 | 2011-08-26 | Partial multiple encryption |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US34371001P | 2001-10-26 | 2001-10-26 | |
| US60/343,710 | 2001-10-26 | ||
| US10/037,499 US7151831B2 (en) | 2001-06-06 | 2002-01-02 | Partial encryption and PID mapping |
| US10/037,499 | 2002-01-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2405899A1 CA2405899A1 (fr) | 2003-04-26 |
| CA2405899C true CA2405899C (fr) | 2011-07-26 |
Family
ID=26714190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2405899A Expired - Lifetime CA2405899C (fr) | 2001-10-26 | 2002-10-01 | Systeme de chiffrement partiel utilisant la mise en correspondance |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2405899C (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7490236B2 (en) | 2004-01-14 | 2009-02-10 | Cisco Technology, Inc. | Conditional access overlay partial encryption using MPEG transport continuity counter |
-
2002
- 2002-10-01 CA CA2405899A patent/CA2405899C/fr not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CA2405899A1 (fr) | 2003-04-26 |
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| EP1461950A1 (fr) | Decodage et dechiffrement d'information partiellement chiffree | |
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| CA2405899C (fr) | Systeme de chiffrement partiel utilisant la mise en correspondance | |
| CA2406329C (fr) | Systeme de decodage et de dechiffrement d'informations partiellement chiffrees | |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKEX | Expiry |
Effective date: 20221003 |