HUP0401720A2 - Kódoló, dekódoló, és titkos kulcsot képző eszközé és eljárás, valamint eszközkészlet szerzői jog védelmére és távközlési eszköz titkosított összeköttetés létesítésére - Google Patents
Kódoló, dekódoló, és titkos kulcsot képző eszközé és eljárás, valamint eszközkészlet szerzői jog védelmére és távközlési eszköz titkosított összeköttetés létesítéséreInfo
- Publication number
- HUP0401720A2 HUP0401720A2 HU0401720A HUP0401720A HUP0401720A2 HU P0401720 A2 HUP0401720 A2 HU P0401720A2 HU 0401720 A HU0401720 A HU 0401720A HU P0401720 A HUP0401720 A HU P0401720A HU P0401720 A2 HUP0401720 A2 HU P0401720A2
- Authority
- HU
- Hungary
- Prior art keywords
- secret key
- memory unit
- digital work
- crl
- stored
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/22—Arrangements for preventing the taking of data from a data transmission channel without authorisation
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
-
- 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
- H04L9/0891—Revocation or update of secret information, e.g. encryption key update or rekeying
-
- 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
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3263—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving certificates, e.g. public key certificate [PKC] or attribute certificate [AC]; Public key infrastructure [PKI] arrangements
- H04L9/3268—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving certificates, e.g. public key certificate [PKC] or attribute certificate [AC]; Public key infrastructure [PKI] arrangements using certificate validation, registration, distribution or revocation, e.g. certificate revocation list [CRL]
-
- 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
- H04L2209/603—Digital right managament [DRM]
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Storage Device Security (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
A találmány tárgya kódoló eszköz digitális mű kódolásához, valamint akódolt digitális mű adathordozó közegre vagy közvetítő közegrebocsátásához. A találmányra jellemző, hogy a digitális mű tárolásáraalkalmas digitális mű memóriaegységet, a digitális mű kódolásáraalkalmas első titkos kulcsot tároló első titkos kulcs memóriaegységet,a kódolt digitális mű dekódoló eszközéhez rendelt második titkoskulcsot tároló második titkos kulcs memóriaegységet, érvénytelenítettnyilvános kulcs tanúsítványokat felsoroló, visszavonási lista(Certificate Revocation List, a továbbiakban CRL) elnevezésűtájékoztató jegyzék tárolására alkalmas CRL-memóriaegységet, a CRL-memóriaegységben tárolt CRL-en alapuló CRL-részadatoknak megfelelőhozzárendelt érték kiszámítására alkalmas hozzárendelt érték számítóegységet, a második titkos kulcs memóriaegységben tárolt másodiktitkos kulcsot a hozzárendelt érték számító egység útján kiszámítotthozzárendelt érték segítségével módosító átalakító egységet, azátalakító egység útján módosított második titkos kulcs segítségével azelső titkos kulcs memóriaegységben tárolt első titkos kulcs kódolásáraalkalmas első kódoló egységet, az első titkos kulcs memóriaegységbentárolt első titkos kulcs segítségével a digitális mű memóriaegységbentárolt digitális mű kódolására alkalmas második kódoló egységet,valamint a CRL-memóriaegységben tárolt CRL-t, az első kódoló egységsegítségével kódolt első titkos kulcsot, továbbá a második kódolóegység segítségével kódolt digitális művet az adathordozó közegre vagya közvetítő közegre bocsátó kimeneti egységet tartalmaz. Ó
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001298414 | 2001-09-27 | ||
JP2001374856 | 2001-12-07 | ||
PCT/JP2002/009245 WO2003030447A2 (en) | 2001-09-27 | 2002-09-11 | An encryption device, a decrypting device, a secret key generation device,a copyright protection system and a cipher communication device |
Publications (1)
Publication Number | Publication Date |
---|---|
HUP0401720A2 true HUP0401720A2 (hu) | 2005-07-28 |
Family
ID=26623168
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HU0401720A HUP0401720A2 (hu) | 2001-09-27 | 2002-09-11 | Kódoló, dekódoló, és titkos kulcsot képző eszközé és eljárás, valamint eszközkészlet szerzői jog védelmére és távközlési eszköz titkosított összeköttetés létesítésére |
Country Status (9)
Country | Link |
---|---|
US (2) | US7542568B2 (hu) |
EP (1) | EP1430641A2 (hu) |
JP (1) | JP2009044773A (hu) |
KR (1) | KR20040039443A (hu) |
CN (1) | CN100452699C (hu) |
AU (1) | AU2002334409A1 (hu) |
HU (1) | HUP0401720A2 (hu) |
MX (1) | MXPA04002721A (hu) |
WO (1) | WO2003030447A2 (hu) |
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-
2002
- 2002-09-11 US US10/490,346 patent/US7542568B2/en not_active Expired - Fee Related
- 2002-09-11 MX MXPA04002721A patent/MXPA04002721A/es unknown
- 2002-09-11 AU AU2002334409A patent/AU2002334409A1/en not_active Abandoned
- 2002-09-11 EP EP02800230A patent/EP1430641A2/en not_active Withdrawn
- 2002-09-11 CN CNB028235851A patent/CN100452699C/zh not_active Expired - Fee Related
- 2002-09-11 HU HU0401720A patent/HUP0401720A2/hu unknown
- 2002-09-11 WO PCT/JP2002/009245 patent/WO2003030447A2/en not_active Application Discontinuation
- 2002-09-11 KR KR10-2004-7004596A patent/KR20040039443A/ko not_active Application Discontinuation
-
2008
- 2008-11-21 JP JP2008298842A patent/JP2009044773A/ja not_active Withdrawn
-
2009
- 2009-04-28 US US12/431,148 patent/US20090208007A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
CN1596522A (zh) | 2005-03-16 |
US7542568B2 (en) | 2009-06-02 |
KR20040039443A (ko) | 2004-05-10 |
US20090208007A1 (en) | 2009-08-20 |
AU2002334409A1 (en) | 2003-04-14 |
JP2009044773A (ja) | 2009-02-26 |
CN100452699C (zh) | 2009-01-14 |
WO2003030447A3 (en) | 2003-12-31 |
EP1430641A2 (en) | 2004-06-23 |
US20050021941A1 (en) | 2005-01-27 |
WO2003030447A2 (en) | 2003-04-10 |
MXPA04002721A (es) | 2004-07-05 |
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