CN100514252C - 产生加密数据、解密加密数据及产生再签章数据的装置、方法 - Google Patents

产生加密数据、解密加密数据及产生再签章数据的装置、方法 Download PDF

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Publication number
CN100514252C
CN100514252C CNB03814753XA CN03814753A CN100514252C CN 100514252 C CN100514252 C CN 100514252C CN B03814753X A CNB03814753X A CN B03814753XA CN 03814753 A CN03814753 A CN 03814753A CN 100514252 C CN100514252 C CN 100514252C
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CN
China
Prior art keywords
information
identification
operator
encrypted
data
Prior art date
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Expired - Lifetime
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CNB03814753XA
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English (en)
Chinese (zh)
Other versions
CN1774684A (zh
Inventor
卡尔汉茨·布兰登布尔格
克里斯蒂安·诺包尔
拉菲·库勒沙
法兰克·希芬哈尔
沃夫冈·史宾勒
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Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
Original Assignee
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
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Publication of CN1774684A publication Critical patent/CN1774684A/zh
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Publication of CN100514252C publication Critical patent/CN100514252C/zh
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F15/00—Digital computers in general; Data processing equipment in general
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
    • G06F21/16—Program or content traceability, e.g. by watermarking
    • 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
    • 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
    • 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
    • H04L2209/606—Traitor tracing

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Computer Security & Cryptography (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Technology Law (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computing Systems (AREA)
  • Storage Device Security (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Reverberation, Karaoke And Other Acoustics (AREA)
CNB03814753XA 2002-05-10 2003-05-06 产生加密数据、解密加密数据及产生再签章数据的装置、方法 Expired - Lifetime CN100514252C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10220925A DE10220925B4 (de) 2002-05-10 2002-05-10 Vorrichtung und Verfahren zum Erzeugen von verschlüsselten Daten, zum Entschlüsseln von verschlüsselten Daten und zum Erzeugen von umsignierten Daten
DE10220925.1 2002-05-10

Publications (2)

Publication Number Publication Date
CN1774684A CN1774684A (zh) 2006-05-17
CN100514252C true CN100514252C (zh) 2009-07-15

Family

ID=29285275

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB03814753XA Expired - Lifetime CN100514252C (zh) 2002-05-10 2003-05-06 产生加密数据、解密加密数据及产生再签章数据的装置、方法

Country Status (6)

Country Link
EP (1) EP1509828A2 (ko)
KR (1) KR100848369B1 (ko)
CN (1) CN100514252C (ko)
AU (1) AU2003227723A1 (ko)
DE (1) DE10220925B4 (ko)
WO (1) WO2003096336A2 (ko)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080063206A1 (en) * 2006-09-07 2008-03-13 Karp James M Method for altering the access characteristics of encrypted data
US20150304329A1 (en) * 2012-10-23 2015-10-22 Nokia Technologies Oy Method and apparatus for managing access rights
KR102124575B1 (ko) * 2013-05-02 2020-06-18 삼성전자주식회사 사용자 프라이버시 보호를 위한 전자 장치 및 그 제어 방법
CN111178010B (zh) * 2019-12-20 2024-02-09 国久大数据有限公司 显示数字签名的方法及系统、数据编辑方法及终端
TWI791963B (zh) 2020-03-19 2023-02-11 瑞昱半導體股份有限公司 資料解密系統及資料解密方法
CN112401477A (zh) * 2020-09-01 2021-02-26 深圳中时利和科技有限公司 一种基于计算机的电子信息智能化管理装置及使用方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5465299A (en) * 1992-12-03 1995-11-07 Hitachi, Ltd. Electronic document processing system and method of forming digital signature
US6611607B1 (en) * 1993-11-18 2003-08-26 Digimarc Corporation Integrating digital watermarks in multimedia content
US5799083A (en) * 1996-08-26 1998-08-25 Brothers; Harlan Jay Event verification system
EP1287501A1 (en) * 2000-04-17 2003-03-05 Robert Kaplan Method and apparatus for transferring or receiving data via the internet securely
WO2003030541A2 (en) * 2001-10-03 2003-04-10 The Trustees Of Columbia University In The City Of New York Method and apparatus for watermarking and authenticating data
US7617542B2 (en) * 2001-12-21 2009-11-10 Nokia Corporation Location-based content protection

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
Digital rights management and watermarking of multimediacontent for m-commerce applications. Frank Hartung,Friedhelm Ramme,Ericsson Research.Communications Magazine, IEEE,Vol.38 No.11. 2000
Digital rights management and watermarking of multimediacontent for m-commerce applications. Frank Hartung,Friedhelm Ramme,Ericsson Research.Communications Magazine, IEEE,Vol.38 No.11. 2000 *
Secret and public key image watermarking schemes forimageauthentication and ownership verification. Ping Wah Wong, Senior Member, IEEE, and Nasir Memon,Member, IEEE.Image Processing,IEEE Transactions on,Vol.10 No.10. 2000

Also Published As

Publication number Publication date
EP1509828A2 (de) 2005-03-02
KR100848369B1 (ko) 2008-07-24
WO2003096336A2 (de) 2003-11-20
CN1774684A (zh) 2006-05-17
DE10220925A1 (de) 2003-11-27
AU2003227723A8 (en) 2003-11-11
AU2003227723A1 (en) 2003-11-11
DE10220925B4 (de) 2005-03-31
KR20050010795A (ko) 2005-01-28
WO2003096336A3 (de) 2004-05-27

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Granted publication date: 20090715

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