PT2643943T - Métodos e sistemas de acesso condicionado a um conteúdo numérico, terminal e dispositivo subscrito associado - Google Patents
Métodos e sistemas de acesso condicionado a um conteúdo numérico, terminal e dispositivo subscrito associadoInfo
- Publication number
- PT2643943T PT2643943T PT118024876T PT11802487T PT2643943T PT 2643943 T PT2643943 T PT 2643943T PT 118024876 T PT118024876 T PT 118024876T PT 11802487 T PT11802487 T PT 11802487T PT 2643943 T PT2643943 T PT 2643943T
- Authority
- PT
- Portugal
- Prior art keywords
- digital content
- subscriber device
- conditional access
- associated terminal
- terminal
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
- H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
- H04L9/083—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) involving central third party, e.g. key distribution center [KDC] or trusted third party [TTP]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/30—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
- H04L9/3066—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy involving algebraic varieties, e.g. elliptic or hyper-elliptic curves
- H04L9/3073—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy involving algebraic varieties, e.g. elliptic or hyper-elliptic curves involving pairings, e.g. identity based encryption [IBE], bilinear mappings or bilinear pairings, e.g. Weil or Tate pairing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
- H04L2209/60—Digital content management, e.g. content distribution
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1059609A FR2967851B1 (fr) | 2010-11-22 | 2010-11-22 | Procede et systeme d'acces conditionnel a un contenu numerique, terminal et dispositif d'abonne associes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PT2643943T true PT2643943T (pt) | 2021-11-17 |
Family
ID=44075686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PT118024876T PT2643943T (pt) | 2010-11-22 | 2011-11-21 | Métodos e sistemas de acesso condicionado a um conteúdo numérico, terminal e dispositivo subscrito associado |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US9749129B2 (pt) |
| EP (1) | EP2643943B1 (pt) |
| JP (1) | JP5602955B2 (pt) |
| CN (1) | CN103339896B (pt) |
| BR (1) | BR112013015281B1 (pt) |
| ES (1) | ES2897685T3 (pt) |
| FR (1) | FR2967851B1 (pt) |
| MX (1) | MX2013005741A (pt) |
| PT (1) | PT2643943T (pt) |
| WO (1) | WO2012069747A1 (pt) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2958103B1 (fr) * | 2010-03-23 | 2012-08-17 | Cryptoexperts Sas | Procede pour identifier un dispositif mis en oeuvre par un terminal pirate et dispositif associe |
| JP6488221B2 (ja) | 2015-03-30 | 2019-03-20 | パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ | 再生方法及び再生装置 |
| US11251954B2 (en) | 2017-05-10 | 2022-02-15 | B. G. Negev Technologies And Applications Ltd., At Ben-Gurion University | Method and system for performing broadcast encryption with revocation capability |
| WO2018207187A1 (en) * | 2017-05-10 | 2018-11-15 | B. G. Negev Technologies And Applications Ltd., At Ben-Gurion University | Method and system for performing broadcast encryption with revocation capability |
| US11323255B2 (en) * | 2019-08-01 | 2022-05-03 | X-Logos, LLC | Methods and systems for encryption and homomorphic encryption systems using Geometric Algebra and Hensel codes |
| US11764943B2 (en) | 2020-08-10 | 2023-09-19 | Algemetric, Inc. | Methods and systems for somewhat homomorphic encryption and key updates based on geometric algebra for distributed ledger/blockchain technology |
| US11683151B2 (en) | 2020-09-17 | 2023-06-20 | Algemetric, Inc. | Methods and systems for distributed computation within a fully homomorphic encryption scheme using p-adic numbers |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6697489B1 (en) * | 1999-03-30 | 2004-02-24 | Sony Corporation | Method and apparatus for securing control words |
| US7565546B2 (en) * | 1999-03-30 | 2009-07-21 | Sony Corporation | System, method and apparatus for secure digital content transmission |
| US7602914B2 (en) * | 2004-08-18 | 2009-10-13 | Scientific-Atlanta, Inc. | Utilization of encrypted hard drive content by one DVR set-top box when recorded by another |
| EP2022207B1 (fr) * | 2006-05-31 | 2018-10-10 | Orange | Procédé cryptographique à chiffrement et révocation intégrés, système, dispositif et programmes pour la mise en oeuvre du procédé |
| US8385545B2 (en) * | 2007-07-27 | 2013-02-26 | Howard G. Pinder | Secure content key distribution using multiple distinct methods |
| EP2068490A1 (en) * | 2007-12-05 | 2009-06-10 | Nagravision S.A. | Method to generate a private key in a Boneh-Franklin scheme |
| JP5365072B2 (ja) * | 2007-12-11 | 2013-12-11 | ソニー株式会社 | 鍵生成装置、暗号化装置、受信装置、鍵生成方法、暗号化方法、鍵処理方法およびプログラム |
| JP2009171016A (ja) * | 2008-01-11 | 2009-07-30 | Nippon Hoso Kyokai <Nhk> | 暗号化情報生成装置及びそのプログラム、配信用コンテンツ生成装置及びそのプログラム、並びに、コンテンツ復号装置及びそのプログラム |
| US8396222B2 (en) * | 2008-03-10 | 2013-03-12 | Nds Limited | Key distribution system |
| EP2207340A1 (en) * | 2009-01-12 | 2010-07-14 | Thomson Licensing | Method and device for reception of control words, and device for transmission thereof |
| KR101246241B1 (ko) * | 2009-04-24 | 2013-03-22 | 니뽄 덴신 덴와 가부시키가이샤 | 암호화 장치, 복호장치, 암호화 방법, 복호방법, 세큐러티 방법, 프로그램 및 기록매체 |
| FR2969439B1 (fr) * | 2010-12-17 | 2018-06-22 | Cryptoexperts Sas | Procede et systeme d'acces conditionnel a un contenu numerique, terminal et dispositif d'abonne associes |
-
2010
- 2010-11-22 FR FR1059609A patent/FR2967851B1/fr not_active Expired - Fee Related
-
2011
- 2011-11-21 US US13/988,993 patent/US9749129B2/en active Active
- 2011-11-21 WO PCT/FR2011/052712 patent/WO2012069747A1/fr active Application Filing
- 2011-11-21 BR BR112013015281-8A patent/BR112013015281B1/pt not_active IP Right Cessation
- 2011-11-21 ES ES11802487T patent/ES2897685T3/es active Active
- 2011-11-21 CN CN201180065678.2A patent/CN103339896B/zh not_active Expired - Fee Related
- 2011-11-21 MX MX2013005741A patent/MX2013005741A/es unknown
- 2011-11-21 JP JP2013540423A patent/JP5602955B2/ja active Active
- 2011-11-21 PT PT118024876T patent/PT2643943T/pt unknown
- 2011-11-21 EP EP11802487.6A patent/EP2643943B1/fr active Active
Also Published As
| Publication number | Publication date |
|---|---|
| BR112013015281B1 (pt) | 2022-03-29 |
| ES2897685T3 (es) | 2022-03-02 |
| MX2013005741A (es) | 2013-12-06 |
| JP5602955B2 (ja) | 2014-10-08 |
| US9749129B2 (en) | 2017-08-29 |
| EP2643943B1 (fr) | 2021-08-18 |
| EP2643943A1 (fr) | 2013-10-02 |
| JP2014502102A (ja) | 2014-01-23 |
| CN103339896A (zh) | 2013-10-02 |
| FR2967851B1 (fr) | 2018-05-18 |
| BR112013015281A2 (pt) | 2018-06-26 |
| WO2012069747A1 (fr) | 2012-05-31 |
| CN103339896B (zh) | 2017-06-23 |
| US20130308776A1 (en) | 2013-11-21 |
| FR2967851A1 (fr) | 2012-05-25 |
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