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1. 发明授权

EP1243999B1 Method and system for recovering and validating cryptographically signed digital data 有权
标题翻译：方法和系统使用加密签名的数字数据的恢复和验证
公开(公告)号：EP1243999B1
公开(公告)日：2013-03-20
申请号：EP01109952.0
申请日：2001-04-24
申请人： Hitachi, Ltd.
发明人： Miyazaki, Kunihiko , Yoshiura, Hiroshi , Susaki, Seiichi , Sasaki, Ryoichi , Takaragi, Kazuo , Toyoshima, Hisashi , Matsuki, Takeshi
IPC分类号： G06F21/64
CPC分类号： G06F21/645 , G06F21/64 , G06F2221/2101 , G06Q20/3825 , H04L9/3252 , H04L63/0428 , H04L63/12 , H04L2209/38 , H04L2209/56 , H04L2209/60

2. 发明公开

EP2211346A2 Method for reproducing data, apparatus for reproducing data, method for coding data, method for recording data, apparatus for recording data, apparatus for recording and reproducing data, method for authentication and semiconductor chip 审中-公开
标题翻译：用于数据再现/记录，用于数据记录装置的编码数据/再现设备的方法，认证方法及半导体芯片的方法和设备
公开(公告)号：EP2211346A2
公开(公告)日：2010-07-28
申请号：EP10004790.1
申请日：1999-04-13
申请人： Hitachi Ltd.
发明人： Kawamae, Osamu , Takeuchi, Toshifumi , Kumura, Hiroyuki , Arai, Takao , Yoshiura, Hiroshi
IPC分类号： G11B20/00 , H04N5/76 , H04N5/913
CPC分类号： H04N21/4367 , G11B20/00086 , G11B20/00188 , G11B20/00195 , G11B20/0021 , G11B20/00224 , G11B20/00304 , G11B20/00449 , G11B20/00739 , G11B20/00753 , G11B20/00768 , G11B20/00884 , H04K1/00 , H04L9/32 , H04L2209/603 , H04N5/765 , H04N5/77 , H04N5/775 , H04N5/781 , H04N5/85 , H04N5/913 , H04N9/8042 , H04N21/4405 , H04N2005/91328 , H04N2005/91335 , H04N2005/91364
摘要： In order to reproduce data scrambled in respective manners to recordable recording medium, it is necessary to take the step of discriminating if the reproduction signal comes from any recording medium before descrambling the data. Further, before doing the control, it is necessary to discriminate if the data is copy-permitted or copy-prohibited. To accomplish this process, a data recording and reproducing apparatus includes a first reproducing unit 1, a second reproducing unit 7 for receiving the data processed by the first reproducing unit and executing the next reproducing process about the data, a first authenticating unit 4 for authenticating the first reproducing unit 1, a second authenticating unit 8 positioned in correspondence with the first authenticating unit and for authenticating the second reproducing unit. The data recording and reproducing apparatus provides different authenticating unit (5, 6, 9, 10) from the first and the second authenticating units so that those authenticating units may execute the corresponding authentications before descrambling the data.

3. 发明授权

EP1032205B1 Additional information embedding and detecting method and apparatus 有权
标题翻译：为附加信息集成和检测方法和装置，
公开(公告)号：EP1032205B1
公开(公告)日：2007-12-19
申请号：EP00301352.1
申请日：2000-02-21
申请人： Sony Corporation , Hitachi, Ltd. , Pioneer Corporation
发明人： Kohashi, Takashi c/o Intellectual Property Department , Ogino, Akira c/o Intellectual Property Department , Kimura, Hiroyuki , Yoshiura, Hiroshi , Moriyama, Yoshiaki , Sugaya, Kazumi
IPC分类号： H04N5/92 , G09C5/00 , H04N5/913
CPC分类号： G06T1/0071 , G06T1/005 , G06T2201/0052 , G06T2201/0065 , H04N5/913 , H04N2005/91335

4. 发明公开

EP1498799A3 Electronic document authenticity assurance method and electronic document disclosure system 审中-公开
标题翻译：一种用于验证电子文档保险及系统的电子文档泄露的方法
公开(公告)号：EP1498799A3
公开(公告)日：2006-07-26
申请号：EP04004584.1
申请日：2004-02-27
申请人： Hitachi, Ltd.
发明人： Miyazaki, Kunihiko, Hitachi Ltd. Intell. Prop. Grp , Iwamura, Mitsuru , Matsumoto, Tsutomu , Sasaki, Ryoichi , Yoshiura, Hiroshi , Aoshima, Hirokazu, Hitachi Ltd. Intell. Prop. Grp , Noyama, Hideo, Hitachi Ltd. Intell. Prop. Grp , Susaki, Seiichi, Hitachi Ltd. Intell. Prop. Grp , Matsuki, Takeshi, Hitachi Ltd. Intell. Prop. Grp
IPC分类号： G06F1/00
CPC分类号： G06F21/64
摘要： An electronic document authenticity assurance technique and an information disclosure system both of which can compatibly realize the assurance of the authenticity of disclosure documents and the deletion of information inappropriate for disclosure. An electronic document is divided into constituent elements and an electronic signature is affixed to an arbitrary subset of a set including all the constituent elements. Otherwise, an electronic signature is affixed to data obtained by binding each of the constituent elements to information specifying the relationship between a respective one of the constituent elements and the structure of the electronic document. Otherwise, the hash values of the respective constituent elements are calculated and an electronic signature is affixed to data obtained by binding the calculated hash values together. Otherwise, random numbers generated for the respective constituent elements are bound together, then the hash values of the respective random-numbered constituent elements are calculated, and then an electronic signature is affixed to data obtained by binding the calculated hash values together.

5. 发明公开

EP1253502A2 Trusted computer system 审中-公开
标题翻译： Gesichertes Rechnersystem
公开(公告)号：EP1253502A2
公开(公告)日：2002-10-30
申请号：EP02003596.0
申请日：2002-02-15
申请人： Hitachi, Ltd.
发明人： Miyazaki, Kunihiko , Ito, Shinji , Yoshiura, Hiroshi , Takaragi, Kazuo , Arai, Masato , Arai, Toshiaki , Matsuki, Takeshi , Toyoshima, Hisashi
IPC分类号： G06F1/00
CPC分类号： G06F21/6218 , G06F2211/009 , G06F2221/2113
摘要： Techniques of improving the safety of an information processing system (1001) at low cost are provided, the information processing system having an OS provided with an access control function based upon discretionary access control for preventing illegal accesses to files. A method and apparatus for providing the information processing system with functions and areas (1007) usable only by a specific user different from a system administrator. The areas are provided with an access control function in order to prevent the access control function from being tampered.
摘要翻译：提供了以低成本提高信息处理系统（1001）的安全性的技术，该信息处理系统具有基于用于防止非法访问文件的任意访问控制的具有访问控制功能的OS。一种用于向信息处理系统提供功能和区域（1007）的方法和装置，所述功能和区域（1007）仅可由不同于系统管理员的特定用户使用。这些区域具有访问控制功能，以防止访问控制功能被篡改。

6. 发明公开

EP0980179A1 Method of appending information to image and method of extracting information from image 审中-公开
标题翻译：用于从图像中提取的信息用于在图像中分配给信息的方法，和方法
公开(公告)号：EP0980179A1
公开(公告)日：2000-02-16
申请号：EP99115779.3
申请日：1999-08-10
申请人： Hitachi, Ltd.
发明人： Yoshiura, Hiroshi , Susaki, Seiichi , Nagai, Yasuhiko , Shinoda, Takashi
IPC分类号： H04N1/32
CPC分类号： G06T1/0021 , H04N1/32203 , H04N1/32229 , H04N1/32251 , H04N1/32309 , H04N2201/3233 , H04N2201/327 , H04N2201/3281
摘要： An information insertion unit 114 alters the image size of a graphic mark 123 so that the number of pixels in each longitudinal lateral direction is equal to ( 32 x n + a ), wherein a represents a decimal number represented by a bit sequence of 5 bits of insertion information 122 to be embedded, and n represents a numerical value so that ( 32 x n + a ) is nearest to the original image size of the graphic mark 123 (in this case, 128). Further, each pixel value of the graphic mark 123 is altered so that the average value/contrast of the pixel values of the overall graphic mark 123 is equal to ( 32 x n + a ), wherein a represents a decimal number represented by a bit sequence of 5 bits to be embedded, and n represents a numerical value so that ( 32 x n + a ) is nearest to the average value/contrast of the original pixel values of the overall graphic mark 123.
摘要翻译：一种信息插入单元114的年龄的图形标记123所以没有在每个纵向横方向的像素数的图像尺寸等于（32 + XN一个）worin一个darstellt通过的五个比特的比特序列表示的十进制数插入信息122被嵌入，且n darstellt数值也是如此（32 XN + a）是最靠近图形标记123的原始图像的大小（在此情况下，128）。此外，图形标记123的每一个像素值被改变，以便做了总体图形标记123的像素值的平均值/对比度是等于（32 + XN一个）worin一个darstellt由比特序列表示的十进制数 5位要被嵌入，且n darstellt数值也是如此（32 XN + a）是最接近于平均值的总体图形标记123 的原始像素值的/对比度

7. 发明公开

EP0315212A3 Inference method and system 失效
标题翻译：感知方法和系统
公开(公告)号：EP0315212A3
公开(公告)日：1992-11-25
申请号：EP88118455.0
申请日：1988-11-04
申请人： HITACHI, LTD.
发明人： Yoshiura, Hiroshi , Chusho, Takeshi , Masui, Shoichi , Ohata, Hideo
IPC分类号： G06F9/44
CPC分类号： G06N5/046
摘要： In an inference machine having a knowledge set portion which stores therein a set of knowledge items such as rules, and an inference portion which interprets the rules for execution; priority level information items which set precedence degrees among the rules within the rule set are stored in a plurality of series with respect to standpoints of users, one series which meets the standpoint of a particular user is selected from among the plurality of stored series of priority level information items, and the rule of the highest precedence degree is selected on the basis of the selected series of priority level information items, with the result that the rule conforming to the standpoint of the particular user is selected and executed. On the other hand, a plurality of optimum solutions for the respective standpoints can also be found in such a way that the different series of priority level information items are successively selected, whereupon the inference portion finds the solutions for the respective selected series of priority level information items.

8. 发明授权

EP0901276B1 Data transmission method for embedded data, data transmitting and reproducing apparatures and information recording medium therefor 有权
标题翻译：嵌入数据的数据传输方法，用于发送和再现的数据记录介质，该
公开(公告)号：EP0901276B1
公开(公告)日：2008-11-05
申请号：EP98306973.3
申请日：1998-09-01
申请人： Hitachi, Ltd.
发明人： Kawamae, Osamu , Takeuchi, Toshifumi , Yoshiura, Hiroshi , Arai, Takao
IPC分类号： H04N1/32 , H04N7/66 , G06T1/00 , H03M13/00
CPC分类号： H04N1/32149 , G06T1/0071 , H03M13/13 , H03M13/6306 , H04L1/0045 , H04L1/08 , H04N1/32288 , H04N19/467 , H04N2201/3284

9. 发明公开

EP1443510A3 Method and apparatus for reproducing/recording data, method for coding data, apparatus for recording and reproducing data, method for authentication and semiconductor chip 有权
标题翻译：用于数据再现/记录，用于数据记录装置的编码数据/再现设备的方法，认证方法及半导体芯片的方法和设备
公开(公告)号：EP1443510A3
公开(公告)日：2006-12-06
申请号：EP04008723.1
申请日：1999-04-13
申请人： Hitachi Ltd.
发明人： Kawamae, Osamu , Takeuchi, Toshifumi c/o Hitachi, Ltd. , Kimura, Hiroyuki , Arai, Takao , Yoshiura, Hiroshi
IPC分类号： G11B20/00 , G11B20/12 , G11B27/10 , H04N5/913 , G06F21/00
CPC分类号： H04N21/4367 , G11B20/00086 , G11B20/00188 , G11B20/00195 , G11B20/0021 , G11B20/00224 , G11B20/00304 , G11B20/00449 , G11B20/00739 , G11B20/00753 , G11B20/00768 , G11B20/00884 , H04K1/00 , H04L9/32 , H04L2209/603 , H04N5/765 , H04N5/77 , H04N5/775 , H04N5/781 , H04N5/85 , H04N5/913 , H04N9/8042 , H04N21/4405 , H04N2005/91328 , H04N2005/91335 , H04N2005/91364
摘要： In order to reproduce data scrambled in respective manners to recordable recording medium, it is necessary to take the step of discriminating if the reproduction signal comes from any recording medium before descrambling the data. Further, before doing the control, it is necessary to discriminate if the data is copy-permitted or copy-prohibited. To accomplish this process, a data recording and reproducing apparatus includes a first reproducing unit 1, a second reproducing unit 7 for receiving the data processed by the first reproducing unit and executing the next reproducing process about the data, a first authenticating unit 4 for authenticating the first reproducing unit 1, a second authenticating unit 8 positioned in correspondence with the first authenticating unit and for authenticating the second reproducing unit. The data recording and reproducing apparatus provides different authenticating unit (5, 6, 9, 10) from the first and the second authenticating units so that those authenticating units may execute the corresponding authentications before descrambling the data.

10. 发明授权

EP0951019B1 Method for authentication and data processing apparatus 有权
标题翻译：一种用于认证和数据处理装置的方法
公开(公告)号：EP0951019B1
公开(公告)日：2005-10-05
申请号：EP99302866.1
申请日：1999-04-13
申请人： Hitachi, Ltd.
发明人： Kawamae, Osamu , Takeuchi, Toshifumi , Kimura, Hiroyuki , Arai, Takao , Yoshiura, Hiroshi
IPC分类号： G11B20/00 , G11B20/12 , G11B27/10
CPC分类号： H04N21/4367 , G11B20/00086 , G11B20/00188 , G11B20/00195 , G11B20/0021 , G11B20/00224 , G11B20/00304 , G11B20/00449 , G11B20/00739 , G11B20/00753 , G11B20/00768 , G11B20/00884 , H04K1/00 , H04L9/32 , H04L2209/603 , H04N5/765 , H04N5/77 , H04N5/775 , H04N5/781 , H04N5/85 , H04N5/913 , H04N9/8042 , H04N21/4405 , H04N2005/91328 , H04N2005/91335 , H04N2005/91364

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