CN101286338A - 电子设备及其数据加密方法与数据解密方法 - Google Patents
电子设备及其数据加密方法与数据解密方法 Download PDFInfo
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- CN101286338A CN101286338A CNA2007102004524A CN200710200452A CN101286338A CN 101286338 A CN101286338 A CN 101286338A CN A2007102004524 A CNA2007102004524 A CN A2007102004524A CN 200710200452 A CN200710200452 A CN 200710200452A CN 101286338 A CN101286338 A CN 101286338A
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- 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
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- 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
- G11B20/00188—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised devices recording or reproducing contents to/from a record carrier
- G11B20/00195—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised devices recording or reproducing contents to/from a record carrier using a device identifier associated with the player or recorder, e.g. serial numbers of playback apparatuses or MAC addresses
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- 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
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- 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
- G11B20/00217—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 the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source
- G11B20/00246—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 the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source wherein the key is obtained from a local device, e.g. device key initially stored by the player or by the recorder
-
- 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
- G11B20/00217—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 the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source
- G11B20/00253—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 the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source wherein the key is stored on the record carrier
- G11B20/0026—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 the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source wherein the key is stored on the record carrier the key being stored as a barcode
-
- 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
- G11B2220/2508—Magnetic discs
- G11B2220/2512—Floppy disks
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- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Storage Device Security (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Abstract
Description
Claims (20)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2007102004524A CN101286338B (zh) | 2007-04-12 | 2007-04-12 | 电子设备及其数据加密方法与数据解密方法 |
US12/052,743 US20080320318A1 (en) | 2007-04-12 | 2008-03-21 | Method and apparatus for data encryption and decryption |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2007102004524A CN101286338B (zh) | 2007-04-12 | 2007-04-12 | 电子设备及其数据加密方法与数据解密方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101286338A true CN101286338A (zh) | 2008-10-15 |
CN101286338B CN101286338B (zh) | 2010-06-02 |
Family
ID=40058490
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2007102004524A Active CN101286338B (zh) | 2007-04-12 | 2007-04-12 | 电子设备及其数据加密方法与数据解密方法 |
Country Status (2)
Country | Link |
---|---|
US (1) | US20080320318A1 (zh) |
CN (1) | CN101286338B (zh) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102663314A (zh) * | 2012-03-23 | 2012-09-12 | 邱漫 | 一种便携终端防盗及保护信息安全的方法及装置 |
CN102843234A (zh) * | 2011-06-20 | 2012-12-26 | 瑞萨电子株式会社 | 半导体装置以及将数据写入到半导体装置的方法 |
CN102110201B (zh) * | 2009-12-28 | 2013-01-30 | 北京中讯锐尔科技有限公司 | 光盘刻录监控与审计系统 |
CN104134048A (zh) * | 2014-07-31 | 2014-11-05 | 宇龙计算机通信科技(深圳)有限公司 | 存储卡的加密方法和加密装置 |
CN104810036A (zh) * | 2015-04-30 | 2015-07-29 | 王爱华 | 一种用于光盘数据信息加密解密的u盘及实现方法 |
CN110929274A (zh) * | 2019-11-11 | 2020-03-27 | 深圳供电局有限公司 | 一种采用Blowfish对文件进行加解密的方法、系统及装置 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5839659B2 (ja) * | 2011-06-20 | 2016-01-06 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
US20130191640A1 (en) * | 2012-01-23 | 2013-07-25 | Jeffrey Mitchell Bloomer | Information system and method incorporating a portable digital media device |
JP6030925B2 (ja) * | 2012-11-12 | 2016-11-24 | ルネサスエレクトロニクス株式会社 | 半導体装置及び情報処理システム |
TWI498737B (zh) * | 2013-03-29 | 2015-09-01 | Mstar Semiconductor Inc | 用於主機板控制模組之除錯權限判斷方法及相關主機板控制模組 |
JP6182371B2 (ja) * | 2013-06-28 | 2017-08-16 | ルネサスエレクトロニクス株式会社 | 半導体集積回路を含むシステム |
JP2016046719A (ja) * | 2014-08-25 | 2016-04-04 | 株式会社東芝 | データ生成装置、通信装置、移動体、データ生成方法およびプログラム |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5454039A (en) * | 1993-12-06 | 1995-09-26 | International Business Machines Corporation | Software-efficient pseudorandom function and the use thereof for encryption |
US7278016B1 (en) * | 1999-10-26 | 2007-10-02 | International Business Machines Corporation | Encryption/decryption of stored data using non-accessible, unique encryption key |
US7057993B2 (en) * | 2001-01-29 | 2006-06-06 | Eastman Kodak Company | Copy protection using multiple security levels on a programmable CD-ROM |
JP2002329367A (ja) * | 2001-04-27 | 2002-11-15 | Sony Corp | データ記録方法および装置、データ再生方法および装置、並びにデータ記録媒体 |
JP2003037589A (ja) * | 2001-07-26 | 2003-02-07 | Sony Corp | データ記録装置および方法、並びにデータ再生装置および方法 |
JP2003110543A (ja) * | 2001-09-27 | 2003-04-11 | Toshiba Corp | 暗号キー設定システム、無線通信装置および暗号キー設定方法 |
TWI244645B (en) * | 2002-01-28 | 2005-12-01 | Sony Corp | Information recording apparatus and method, information reproduction apparatus and method, information recording medium, program storage medium |
-
2007
- 2007-04-12 CN CN2007102004524A patent/CN101286338B/zh active Active
-
2008
- 2008-03-21 US US12/052,743 patent/US20080320318A1/en not_active Abandoned
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102110201B (zh) * | 2009-12-28 | 2013-01-30 | 北京中讯锐尔科技有限公司 | 光盘刻录监控与审计系统 |
CN102843234A (zh) * | 2011-06-20 | 2012-12-26 | 瑞萨电子株式会社 | 半导体装置以及将数据写入到半导体装置的方法 |
CN102843234B (zh) * | 2011-06-20 | 2018-04-03 | 瑞萨电子株式会社 | 半导体装置以及将数据写入到半导体装置的方法 |
CN102663314A (zh) * | 2012-03-23 | 2012-09-12 | 邱漫 | 一种便携终端防盗及保护信息安全的方法及装置 |
CN104134048A (zh) * | 2014-07-31 | 2014-11-05 | 宇龙计算机通信科技(深圳)有限公司 | 存储卡的加密方法和加密装置 |
CN104810036A (zh) * | 2015-04-30 | 2015-07-29 | 王爱华 | 一种用于光盘数据信息加密解密的u盘及实现方法 |
CN110929274A (zh) * | 2019-11-11 | 2020-03-27 | 深圳供电局有限公司 | 一种采用Blowfish对文件进行加解密的方法、系统及装置 |
CN110929274B (zh) * | 2019-11-11 | 2023-05-30 | 深圳供电局有限公司 | 一种采用Blowfish对文件进行加解密的方法、系统及装置 |
Also Published As
Publication number | Publication date |
---|---|
US20080320318A1 (en) | 2008-12-25 |
CN101286338B (zh) | 2010-06-02 |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
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Effective date of registration: 20160411 Address after: 510000 Guangdong city of Guangzhou province Luogang District Ke Feng Lu building G1 No. 31 A323 Patentee after: Guangzhou onchi Intellectual Property Consulting Co. Ltd. Address before: 518109 Guangdong city of Shenzhen province Baoan District Longhua Town Industrial Zone tabulaeformis tenth East Ring Road No. 2 two Patentee before: Hongfujin Precise Industry (Shenzhen) Co., Ltd. Patentee before: Hon Hai Precision Industry Co., Ltd. |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20160504 Address after: No. 555 Kang Hangzhou Science Park of Zhejiang province Binjiang District Qianmo road 310053 Patentee after: Hangzhou Hikvision Digital Technology Co., Ltd. Address before: 510000 Guangdong city of Guangzhou province Luogang District Ke Feng Lu building G1 No. 31 A323 Patentee before: Guangzhou onchi Intellectual Property Consulting Co. Ltd. |