US20060155991A1 - Authentication method, encryption method, decryption method, cryptographic system and recording medium - Google Patents

Authentication method, encryption method, decryption method, cryptographic system and recording medium Download PDF

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Publication number
US20060155991A1
US20060155991A1 US11/325,468 US32546806A US2006155991A1 US 20060155991 A1 US20060155991 A1 US 20060155991A1 US 32546806 A US32546806 A US 32546806A US 2006155991 A1 US2006155991 A1 US 2006155991A1
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US
United States
Prior art keywords
certificate
key
recording medium
encrypted
public key
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.)
Abandoned
Application number
US11/325,468
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English (en)
Inventor
Kun Kim
Jea Yoo
Kang Seo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Priority to US11/325,468 priority Critical patent/US20060155991A1/en
Assigned to LG ELECTRONICS CO. reassignment LG ELECTRONICS CO. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: KIM, KUN SUK, SEO, KANG SOO, YOO, JEA YONG
Publication of US20060155991A1 publication Critical patent/US20060155991A1/en
Abandoned legal-status Critical Current

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    • 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
    • H04L9/3247—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 digital signatures
    • H04L9/3249—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 digital signatures using RSA or related signature schemes, e.g. Rabin scheme
    • 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
    • G11B20/10—Digital recording or reproducing
    • 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
    • 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
    • G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0045—Recording
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/005—Reproducing
    • 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]
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • G11B2220/2541—Blu-ray discs; Blue laser DVR discs
    • 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
    • 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
    • H04L9/50—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using hash chains, e.g. blockchains or hash trees

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Storage Device Security (AREA)
  • Management Or Editing Of Information On Record Carriers (AREA)
US11/325,468 2005-01-07 2006-01-05 Authentication method, encryption method, decryption method, cryptographic system and recording medium Abandoned US20060155991A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US11/325,468 US20060155991A1 (en) 2005-01-07 2006-01-05 Authentication method, encryption method, decryption method, cryptographic system and recording medium

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US64177905P 2005-01-07 2005-01-07
KR1020050113647A KR20060081336A (ko) 2005-01-07 2005-11-25 기록매체에서의 디지털 인증방법
KR10-2005-0113648 2005-11-25
KR10-2005-0113647 2005-11-25
KR1020050113648A KR20060081337A (ko) 2005-01-07 2005-11-25 비밀키를 이용한 암호화 및 복호화 방법
US11/325,468 US20060155991A1 (en) 2005-01-07 2006-01-05 Authentication method, encryption method, decryption method, cryptographic system and recording medium

Publications (1)

Publication Number Publication Date
US20060155991A1 true US20060155991A1 (en) 2006-07-13

Family

ID=37172374

Family Applications (2)

Application Number Title Priority Date Filing Date
US11/325,457 Expired - Fee Related US7668439B2 (en) 2005-01-07 2006-01-05 Apparatus for reproducing data, method thereof and recording medium
US11/325,468 Abandoned US20060155991A1 (en) 2005-01-07 2006-01-05 Authentication method, encryption method, decryption method, cryptographic system and recording medium

Family Applications Before (1)

Application Number Title Priority Date Filing Date
US11/325,457 Expired - Fee Related US7668439B2 (en) 2005-01-07 2006-01-05 Apparatus for reproducing data, method thereof and recording medium

Country Status (4)

Country Link
US (2) US7668439B2 (ko)
JP (2) JP2008527833A (ko)
KR (3) KR20060081336A (ko)
CN (3) CN101103590A (ko)

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US20080098214A1 (en) * 2006-10-24 2008-04-24 Antonio Rodriguez Martinez Encryption/decryption method, method for safe data transfer across a network, computer program products and computer readable media
US20080301465A1 (en) * 2007-06-04 2008-12-04 Microsoft Corporation Protection of software transmitted over an unprotected interface
US20100095360A1 (en) * 2008-10-14 2010-04-15 International Business Machines Corporation Method and system for authentication
US8781442B1 (en) * 2006-09-08 2014-07-15 Hti Ip, Llc Personal assistance safety systems and methods
US20180012027A1 (en) * 2014-12-24 2018-01-11 International Business Machines Corporation Recording data and using the recorded data

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KR101138152B1 (ko) * 2009-10-23 2012-04-24 에스케이플래닛 주식회사 디지털 방송 수신기의 저장 제한 시스템 및 방법
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CN104283680A (zh) * 2013-07-05 2015-01-14 腾讯科技（深圳）有限公司 一种数据传输的方法、客户端、服务器及其系统
KR101790948B1 (ko) * 2015-10-26 2017-10-27 삼성에스디에스 주식회사 Drm 서비스 제공 장치 및 방법, drm 서비스를 이용한 콘텐츠 재생 장치 및 방법
CN106789092A (zh) * 2017-02-28 2017-05-31 河源弘稼农业科技有限公司 密钥传输方法、密钥传输装置、服务器和通信设备
JP7195796B2 (ja) * 2018-07-23 2022-12-26 キヤノン株式会社 情報処理装置、情報処理装置の制御方法、及び、プログラム
KR102216869B1 (ko) * 2019-05-28 2021-02-17 국민대학교산학협력단 종단간 암호화가 적용된 파일에 대한 복호화 장치 및 방법
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US20060153017A1 (en) * 2005-01-07 2006-07-13 Kim Kun S Method and apparatus for protecting shared data and method and apparatus for reproducing data from recording medium using local storage
US20060164930A1 (en) * 2005-01-07 2006-07-27 Seo Kang S Method and apparatus for reproducing data from recording medium using local storage
US20060155786A1 (en) * 2005-01-10 2006-07-13 Seo Kang S Recording medium, and method and apparatus for reproducing data from recording medium using local storage

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US20080098214A1 (en) * 2006-10-24 2008-04-24 Antonio Rodriguez Martinez Encryption/decryption method, method for safe data transfer across a network, computer program products and computer readable media
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CN101103590A (zh) 2008-01-09
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JP2008527599A (ja) 2008-07-24
US20060156010A1 (en) 2006-07-13
US7668439B2 (en) 2010-02-23
KR20060081339A (ko) 2006-07-12
CN101099212B (zh) 2010-12-08
JP2008527833A (ja) 2008-07-24
KR20060081336A (ko) 2006-07-12
KR20060081337A (ko) 2006-07-12

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