CN101286338B - 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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- CN101286338B CN101286338B CN2007102004524A CN200710200452A CN101286338B CN 101286338 B CN101286338 B CN 101286338B CN 2007102004524 A CN2007102004524 A CN 2007102004524A CN 200710200452 A CN200710200452 A CN 200710200452A CN 101286338 B CN101286338 B CN 101286338B
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- 238000000034 method Methods 0.000 title claims abstract description 50
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- 238000012937 correction Methods 0.000 description 1
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- 239000003550 marker Substances 0.000 description 1
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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
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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
- G11B20/00253—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
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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
- G11B2220/2508—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
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- 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 CN101286338A (zh) | 2008-10-15 |
CN101286338B true 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 (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
Families Citing this family (11)
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 |
JP5770026B2 (ja) * | 2011-06-20 | 2015-08-26 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
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 |
CN102663314B (zh) * | 2012-03-23 | 2015-06-17 | 邱漫 | 一种便携终端防盗及保护信息安全的方法及装置 |
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 |
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 |
CN104134048B (zh) * | 2014-07-31 | 2018-08-24 | 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 |
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 |
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 |
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 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1294457A (zh) * | 1999-10-26 | 2001-05-09 | 国际商业机器公司 | 用不可访问的唯一密钥对储存的数据进行加密/解密 |
CN1453785A (zh) * | 2002-01-28 | 2003-11-05 | 索尼公司 | 信息记录/重放设备和方法、记录/存储介质和程序 |
CN1463433A (zh) * | 2001-04-27 | 2003-12-24 | 索尼株式会社 | 记录介质的记录方法和记录装置以及记录介质的再现方法和再现装置 |
CN1465062A (zh) * | 2001-07-26 | 2003-12-31 | 索尼株式会社 | 数据记录设备和方法以及数据再现设备和方法 |
Family Cites Families (3)
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 |
US7057993B2 (en) * | 2001-01-29 | 2006-06-06 | Eastman Kodak Company | Copy protection using multiple security levels on a programmable CD-ROM |
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 |
-
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
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1294457A (zh) * | 1999-10-26 | 2001-05-09 | 国际商业机器公司 | 用不可访问的唯一密钥对储存的数据进行加密/解密 |
CN1463433A (zh) * | 2001-04-27 | 2003-12-24 | 索尼株式会社 | 记录介质的记录方法和记录装置以及记录介质的再现方法和再现装置 |
CN1465062A (zh) * | 2001-07-26 | 2003-12-31 | 索尼株式会社 | 数据记录设备和方法以及数据再现设备和方法 |
CN1453785A (zh) * | 2002-01-28 | 2003-11-05 | 索尼公司 | 信息记录/重放设备和方法、记录/存储介质和程序 |
Non-Patent Citations (1)
Title |
---|
JP特开2002-260326A 2002.09.13 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
Also Published As
Publication number | Publication date |
---|---|
US20080320318A1 (en) | 2008-12-25 |
CN101286338A (zh) | 2008-10-15 |
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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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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. |