KR20030022484A - 멀티미디어 데이터의 암호화 방법 - Google Patents
멀티미디어 데이터의 암호화 방법 Download PDFInfo
- Publication number
- KR20030022484A KR20030022484A KR1020010055592A KR20010055592A KR20030022484A KR 20030022484 A KR20030022484 A KR 20030022484A KR 1020010055592 A KR1020010055592 A KR 1020010055592A KR 20010055592 A KR20010055592 A KR 20010055592A KR 20030022484 A KR20030022484 A KR 20030022484A
- Authority
- KR
- South Korea
- Prior art keywords
- storage unit
- fingerprint
- data
- value
- multimedia data
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/913—Television signal processing therefor for scrambling ; for copy protection
-
- 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
- H04L9/3236—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 using cryptographic hash functions
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Collating Specific Patterns (AREA)
- Storage Device Security (AREA)
Abstract
Description
Claims (4)
- 멀티미디어 데이터를 다수의 저장 단위로 나누고, 상기 나뉘어진 저장 단위에 각각 대응되는 핑거 프린트를 계산, 저장하여 암호화하는 방법에 있어서,상기 각 저장 단위의 핑거 프린트 값을 계산할 때, 상기 저장 단위와 임의의 수식으로 연계된 또 다른 핑거 프린터 값과, 상기 저장 단위와 임의의 수식으로 연계된 또 다른 저장 단위 및 상기 저장 단위 중 적어도 어느 하나를 입력으로 하여 상기 저장 단위의 핑거 프린트 값을 계산하는 것을 특징으로 하는 멀티미디어 데이터의 암호화 방법.
- 제 1항에 있어서, 상기 임의의 수식으로 연계된 또 다른 핑거 프린트 값은, 상기 저장 단위의 이전 저장 단위의 핑거 프린트 값 및 상기 저장 단위의 이후 저장 단위의 핑거 프린트 값 중 적어도 어느 하나인 것을 특징으로 하는 멀티미디어 데이터의 암호화 방법.
- 제 1항에 있어서, 상기 다수의 저장 단위의 핑거 프린트 값을 계산할 때,상기 임의의 수식으로 연계된 핑거 프린트 값 및 상기 각 저장 단위를 입력으로 하여 정방향 핑거 프린트 값을 계산하고, 그 역으로 상기 임의의 수식으로 연계된 핑거 프린트 값과 상기 계산된 정방향 핑거 프린트 값 및 상기 각 저장 단위를 입력으로 하여 역방향 핑거 프린트 값을 계산하는 것을 특징으로 하는 멀티미디어 데이터의 암호화 방법.
- 제 3항에 있어서, 상기 정방향 핑거 프린트 값을 계산하기 위한 임의의 수식으로 연계된 핑거 프린트 값은, 상기 각 저장 단위의 이전 저장 단위의 핑거 프린트 값이며,상기 역방향 핑거 프린트 값을 계산하기 위한 임의의 수식으로 연계된 핑거 프린트 값은, 상기 각 저장 단위의 이후 저장 단위의 핑거 프린트 값인 것을 특징으로 하는 멀티미디어 데이터의 암호화 방법.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0055592A KR100440783B1 (ko) | 2001-09-10 | 2001-09-10 | 멀티미디어 데이터의 암호화 방법 |
CNB021472866A CN1203439C (zh) | 2001-09-10 | 2002-09-10 | 多媒体数据加密方法 |
US10/241,288 US20030051150A1 (en) | 2001-09-10 | 2002-09-10 | Method for encrypting multimedia data |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0055592A KR100440783B1 (ko) | 2001-09-10 | 2001-09-10 | 멀티미디어 데이터의 암호화 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030022484A true KR20030022484A (ko) | 2003-03-17 |
KR100440783B1 KR100440783B1 (ko) | 2004-07-21 |
Family
ID=19714126
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2001-0055592A KR100440783B1 (ko) | 2001-09-10 | 2001-09-10 | 멀티미디어 데이터의 암호화 방법 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20030051150A1 (ko) |
KR (1) | KR100440783B1 (ko) |
CN (1) | CN1203439C (ko) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7373520B1 (en) * | 2003-06-18 | 2008-05-13 | Symantec Operating Corporation | Method for computing data signatures |
EP2009638A1 (en) * | 2007-06-28 | 2008-12-31 | THOMSON Licensing | Video copy prevention if the difference betweeen the fingerprints before and after its modification is above a threshold |
CN102855423A (zh) * | 2011-06-29 | 2013-01-02 | 盛乐信息技术(上海)有限公司 | 一种文字作品的追踪方法和装置 |
US9461973B2 (en) | 2014-03-19 | 2016-10-04 | Bluefin Payment Systems, LLC | Systems and methods for decryption as a service |
US11256798B2 (en) | 2014-03-19 | 2022-02-22 | Bluefin Payment Systems Llc | Systems and methods for decryption as a service |
DK3120593T3 (en) * | 2014-03-19 | 2019-04-01 | Bluefin Payment Sys Llc | SYSTEMS AND PROCEDURE FOR MANUFACTURING FINGERPRINTING FOR CRYPTIC DEVICES |
GB2540562B (en) * | 2015-07-21 | 2019-09-04 | Advanced Risc Mach Ltd | Method of and apparatus for generating a signature representative of the content of an array of data |
EP3631718A4 (en) | 2017-06-02 | 2020-12-16 | Bluefin Payment Systems, LLC | SYSTEMS AND METHODS FOR MANAGING A PAYMENT TERMINAL USING A WEB BROWSER |
US11711350B2 (en) | 2017-06-02 | 2023-07-25 | Bluefin Payment Systems Llc | Systems and processes for vaultless tokenization and encryption |
WO2020232162A1 (en) | 2019-05-13 | 2020-11-19 | Bluefin Payment Systems Llc | Systems and processes for vaultless tokenization and encryption |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2683022B2 (ja) * | 1988-04-13 | 1997-11-26 | 株式会社日立製作所 | データ秘匿方式 |
US6028936A (en) * | 1996-01-16 | 2000-02-22 | Disney Enterprises, Inc. | Method and apparatus for authenticating recorded media |
US6021201A (en) * | 1997-01-07 | 2000-02-01 | Intel Corporation | Method and apparatus for integrated ciphering and hashing |
US5995625A (en) * | 1997-03-24 | 1999-11-30 | Certco, Llc | Electronic cryptographic packing |
IL140141A (en) * | 1999-12-14 | 2007-07-24 | Ibm | Transcoding in data communications |
DE60127747T2 (de) * | 2000-03-20 | 2008-01-24 | International Business Machines Corp. | Verfahren und System zur reversiblen Markierung eines Textdokuments mit einem Muster der zusätzlichen Leerzeichen für Beglaubigung |
AU2001287164B2 (en) * | 2000-08-04 | 2008-06-26 | First Data Corporation | Method and system for using electronic communications for an electronic contact |
US20030079222A1 (en) * | 2000-10-06 | 2003-04-24 | Boykin Patrick Oscar | System and method for distributing perceptually encrypted encoded files of music and movies |
US6963976B1 (en) * | 2000-11-03 | 2005-11-08 | International Business Machines Corporation | Symmetric key authenticated encryption schemes |
US7184546B2 (en) * | 2001-02-13 | 2007-02-27 | Arkion S.L. | Method based on an algorithm capable of being graphically implemented to be used for the generation of filtering of data sequences and crytographic applications |
US20030026422A1 (en) * | 2001-06-19 | 2003-02-06 | Usa Video Interactive Corporation | Method and apparatus for digitally fingerprinting videos |
US20030005306A1 (en) * | 2001-06-29 | 2003-01-02 | Hunt Preston J. | Message digest based data synchronization |
US20030016825A1 (en) * | 2001-07-10 | 2003-01-23 | Eastman Kodak Company | System and method for secure watermarking of a digital image sequence |
-
2001
- 2001-09-10 KR KR10-2001-0055592A patent/KR100440783B1/ko active IP Right Grant
-
2002
- 2002-09-10 US US10/241,288 patent/US20030051150A1/en not_active Abandoned
- 2002-09-10 CN CNB021472866A patent/CN1203439C/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
KR100440783B1 (ko) | 2004-07-21 |
US20030051150A1 (en) | 2003-03-13 |
CN1203439C (zh) | 2005-05-25 |
CN1409263A (zh) | 2003-04-09 |
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