公开(公告)号：US06684210B1

公开(公告)日：2004-01-27

申请号：US09647791

申请日：2000-11-29

申请人： Hideaki Takechi ,  Hiroyuki Iitsuka ,  Masazumi Yamada ,  Natsume Matsuzaki

发明人： Hideaki Takechi ,  Hiroyuki Iitsuka ,  Masazumi Yamada ,  Natsume Matsuzaki

IPC分类号： G06F1730

CPC分类号： G06F21/6218 ,  G06F21/10 ,  G06F2221/0706 ,  G06F2221/2117 ,  G06F2221/2129 ,  G06F2221/2135 ,  G06F2221/2141 ,  Y10S707/99939

摘要： In the conventional file management system, there is a problem that even a file assigned permission information can be processed without considering any permission information. Therefore, the system includes a first accumulation device 2 for accumulating files to which permission information is added, and a new file management apparatus 7 for performing an input/output process on files with a request for a process from the application A 10 accessing the file management system taken into account according to the permission information added to the file. The new file management apparatus 7 compares the permission information added to the file in the first accumulation device 2 with the request contents of the process for the file from the application A 10, determines whether or not the process can be performed on the file, inputs the file from the first accumulation device 2 based on the result, and outputs it to the application A 10.

摘要翻译： 在传统的文件管理系统中，存在即使在不考虑任何许可信息的情况下也可以处理分配了许可信息的文件的问题。 因此，系统包括用于累加添加了许可信息的文件的第一存储装置2和用于对来自应用程序A 10访问文件的处理请求执行对文件的输入/输出处理的新文件管理装置7 根据添加到该文件的权限信息考虑管理系统。 新的文件管理装置7将添加到第一累积装置2中的文件的许可信息与来自应用程序A 10的文件的处理的请求内容进行比较，确定是否可以对文件执行处理，输入 基于结果从第一累积装置2获取文件，并将其输出到应用程序A 10。

公开(公告)号：US06463151B1

公开(公告)日：2002-10-08

申请号：US09182568

申请日：1998-10-29

申请人： Hiroyuki Iitsuka ,  Masazumi Yamada ,  Hideaki Takechi ,  Natsume Matsuzaki

发明人： Hiroyuki Iitsuka ,  Masazumi Yamada ,  Hideaki Takechi ,  Natsume Matsuzaki

IPC分类号： H04L900

CPC分类号： H04L63/0428 ,  H04L12/40058 ,  H04L12/40071 ,  H04L12/40104

摘要： The data transmission system can substantially prohibit illegal copy of real data since the encryption key applied to transmitted data is changed depending on copy management information, thereby the real data being decrypted and recorded with a key different from the original key when the copy management information is tampered. Thus, the transmitted data can be further securely protected than in the prior art.

摘要翻译： 由于应用于发送数据的加密密钥根据复制管理信息而改变，因此数据传输系统可以基本上禁止非法复制实际数据，从而当拷贝管理信息为 被篡改 因此，与现有技术相比，可以进一步安全地保护所发送的数据。

公开(公告)号：US07146498B1

公开(公告)日：2006-12-05

申请号：US09673422

申请日：2000-02-21

申请人： Hideaki Takechi ,  Masazumi Yamada ,  Hiroyuki Iitsuka ,  Takuya Nishimura ,  Yoshiki Kuno ,  Shoichi Gotoh

发明人： Hideaki Takechi ,  Masazumi Yamada ,  Hiroyuki Iitsuka ,  Takuya Nishimura ,  Yoshiki Kuno ,  Shoichi Gotoh

IPC分类号： H04L9/00 ,  H04K1/00

CPC分类号： H04N5/913 ,  G06F21/10 ,  H04N2005/91364

摘要： The problem to be solved is that once copyright claimed AV data is passed to application software, the application software can freely process the AV data for recording, etc., defeating the purpose of copyright protection. The invention provides a computer which comprises a system section 12 and an application software section 13, and which takes in copyright claimed, encrypted data via a digital interface 1 for processing therein, wherein the system section 12 judges that the application software section 13 is legitimate application software for the protection of copyright, and if the application software is a legitimate one, the system section 12 passes a key for the encrypted data to the application software section 13.

摘要翻译： 要解决的问题是，一旦版权声称AV数据传递给应用软件，应用软件就可以自由地处理AV数据进行记录等，从而达到版权保护的目的。 本发明提供了一种计算机，其包括系统部分12和应用软件部分13，并且经由数字接口1接收版权所要求的加密数据，用于在其中处理，其中系统部分12判断应用软件部分13是合法的 用于保护版权的应用软件，如果应用软件是合法软件，则系统部分12将加密数据的密钥传递给应用软件部分13。

公开(公告)号：US07747016B2

公开(公告)日：2010-06-29

申请号：US10653763

申请日：2003-09-03

申请人： Takuya Nishimura ,  Hiroyuki Iitsuka ,  Masazumi Yamada ,  Shoichi Gotoh ,  Hideaki Takechi

发明人： Takuya Nishimura ,  Hiroyuki Iitsuka ,  Masazumi Yamada ,  Shoichi Gotoh ,  Hideaki Takechi

IPC分类号： H04L9/16 ,  H04L9/14 ,  H04L9/12 ,  H04L9/08

CPC分类号： H04H20/69 ,  H04L9/0822 ,  H04L9/0891 ,  H04L2209/60

摘要： A data transmitting and receiving method for improving transmission and reception efficiency can be obtained by improving the security through update of a control key and reduction of the frequency of the authentication and key exchange process. An STB 1 transmits encrypted digital data Kw (D) obtained by encrypting digital data D using a work key Kw, and an encrypted work key Kc (Kw) obtained by encrypting the Kw using a control key Kc. The Kc is periodically or non-periodically updated, and an identifier L identifying the Kc is assigned to each Kc. A VTR device 2 decrypts the received Kc (Kw) using the Kc obtained by performing the authentication and key exchange process with the STB 1, decrypts the Kw (D) received using the Kw to obtain the D. It is determined whether or not the Kc has been updated while the reception process is suspended by referring to the transmitted L when the reception process is suspended and then resumed. If it is determined that the Kc has been updated, then the authentication and key exchange process is performed again to obtain the updated Kc.

摘要翻译： 通过更新控制密钥和降低认证和密钥交换过程的频率来提高安全性，可以获得提高发送和接收效率的数据发送和接收方法。 机顶盒1通过使用工作密钥Kw加密数字数据D获得的加密数字数据Kw（D）和通过使用控制密钥Kc加密Kw获得的加密工作密钥Kc（Kw）。 定期或不定期地更新Kc，并且向每个Kc分配标识Kc的标识符L。 VTR设备2使用通过执行与STB 1的认证和密钥交换处理获得的Kc来解密接收的Kc（Kw），解密使用Kw接收到的Kw（D）以获得D。确定是否 当停止接收处理并且然后恢复时，通过参考发送的L来暂停接收处理的Kc。 如果确定Kc已被更新，则再次执行认证和密钥交换处理以获得更新的Kc。

公开(公告)号：US07239709B1

公开(公告)日：2007-07-03

申请号：US09381996

申请日：1999-01-25

申请人： Masazumi Yamada ,  Hiroyuki Iitsuka ,  Shoichi Goto ,  Hideaki Takechi

发明人： Masazumi Yamada ,  Hiroyuki Iitsuka ,  Shoichi Goto ,  Hideaki Takechi

IPC分类号： H04L9/00 ,  H04K1/00 ,  G06Q99/00 ,  H04L9/38

CPC分类号： G11B20/0021 ,  G11B20/00086 ,  G11B20/00166 ,  G11B20/00181 ,  G11B20/00224 ,  G11B20/0071 ,  H04N5/775 ,  H04N5/913 ,  H04N2005/91364

摘要： A data recording/reproducing method wherein encrypted digital data obtained by subjecting digital data to first encrypting by using a contents key and encrypted contents key obtained by subjecting the contents key to second encrypting are recorded on a recording medium, the encrypted digital data and the encrypted contents key, having been recorded, are reproduced, and the encrypted digital data is decrypted by using the contents key obtained by decrypting the encrypted contents key, thereby to obtain the digital data.

摘要翻译： 一种数据记录/再现方法，其中通过使用内容密钥对数字数据进行第一加密和通过对内容密钥进行第二加密而获得的加密内容密钥获得的加密数字数据被记录在记录介质上，加密的数字数据和加密的 已经记录的内容密钥被再现，并且通过使用通过解密加密的内容密钥获得的内容密钥对加密的数字数据进行解密，从而获得数字数据。

公开(公告)号：US07106861B1

公开(公告)日：2006-09-12

申请号：US09403071

申请日：1999-02-08

申请人： Takuya Nishimura ,  Hiroyuki Iitsuka ,  Masazumi Yamada ,  Shoichi Gotoh ,  Hideaki Takechi ,  Naoshi Usuki

发明人： Takuya Nishimura ,  Hiroyuki Iitsuka ,  Masazumi Yamada ,  Shoichi Gotoh ,  Hideaki Takechi ,  Naoshi Usuki

IPC分类号： H04N7/167

CPC分类号： H04H60/23 ,  H04H60/13 ,  H04N5/913 ,  H04N21/40 ,  H04N2005/91364

摘要： A digital AV data transmitting unit includes a data significance deciding section for deciding the significance degree of digital AV data, and a transmitting-side plurality-of-authentication-rules storing section storing a plurality of types of authentication rules. Also included are a transmitting-side authentication selecting section for selecting one type of authentication rule from the transmitting-side plurality-of-authentication-rules storing means in accordance with a decision result by the data significance deciding section when receiving an authentication request, and a transmitting-side authenticating section for performing authentication in accordance with the selected authentication rule.

摘要翻译： 数字AV数据发送单元包括用于判定数字AV数据的重要程度的数据有效性判定部分和存储多种认证规则的发送侧多个认证规则存储部分。 还包括发送方认证选择部分，用于在接收到认证请求时根据数据有效性判定部分的判定结果从发送侧多个认证规则存储装置中选择一种认证规则，以及 发送侧认证部分，用于根据所选择的认证规则进行认证。

公开(公告)号：US06834111B1

公开(公告)日：2004-12-21

申请号：US09445052

申请日：1999-12-01

申请人： Takuya Nishimura ,  Hiroyuki Iitsuka ,  Masazumi Yamada ,  Shoichi Gotoh ,  Hideaki Takechi

发明人： Takuya Nishimura ,  Hiroyuki Iitsuka ,  Masazumi Yamada ,  Shoichi Gotoh ,  Hideaki Takechi

IPC分类号： H04L900

CPC分类号： H04H20/69 ,  H04L9/0822 ,  H04L9/0891 ,  H04L2209/60

摘要： A data transmitting and receiving method for improving transmission and reception efficiency can be obtained by improving the security through update of a control key and reduction of the frequency of the authentication and key exchange process. An STB 1 transmits encrypted digital data Kw (D) obtained by encrypting digital data D using a work key Kw, and an encrypted work key Kc (Kw) obtained by encrypting the Kw using a control key Kc. The Kc is periodically or non-periodically updated, and an identifier L identifying the Kc is assigned to each Kc. A VTR device 2 decrypts the received Kc (Kw) using the Kc obtained by performing the authentication and key exchange process with the STB 1, decrypts the Kw (D) received using the Kw to obtain the D. It is determined whether or not the Kc has been updated while the reception process is suspended by referring to the transmitted L when the reception process is suspended and then resumed. If it is determined that the Kc has been updated, then the authentication and key exchange process is performed again to obtain the updated Kc.

摘要翻译： 通过更新控制密钥和降低认证和密钥交换过程的频率来提高安全性，可以获得提高发送和接收效率的数据发送和接收方法。 机顶盒1通过使用工作密钥Kw加密数字数据D获得的加密数字数据Kw（D）和通过使用控制密钥Kc加密Kw获得的加密工作密钥Kc（Kw）。 定期或不定期地更新Kc，并且向每个Kc分配标识Kc的标识符L. VTR设备2使用通过执行与STB 1的认证和密钥交换处理获得的Kc来解密接收的Kc（Kw），解密使用Kw接收到的Kw（D）以获得D。确定是否 当停止接收处理并且然后恢复时，通过参考发送的L来暂停接收处理的Kc。 如果确定Kc已被更新，则再次执行认证和密钥交换处理以获得更新的Kc。

公开(公告)号：US06584552B1

公开(公告)日：2003-06-24

申请号：US09582800

申请日：2000-06-30

申请人： Yoshiki Kuno ,  Takuya Nishimura ,  Hideaki Takechi ,  Masazumi Yamada ,  Hiroyuki Iitsuka ,  Shoichi Goto

发明人： Yoshiki Kuno ,  Takuya Nishimura ,  Hideaki Takechi ,  Masazumi Yamada ,  Hiroyuki Iitsuka ,  Shoichi Goto

IPC分类号： G06F1214

CPC分类号： G11B20/0021 ,  G06F21/10 ,  G11B20/00086 ,  G11B20/00768 ,  G11B20/00775 ,  G11B2020/10537 ,  H04N5/765 ,  H04N5/775 ,  H04N5/781 ,  H04N5/78263 ,  H04N5/85 ,  H04N5/913 ,  H04N9/8042 ,  H04N2005/91328 ,  H04N2005/91364

摘要： A recording and reproducing apparatus is characterized in that said apparatus has: inputting means for receiving a packet data which is based on IEEE 1394, and in which signal information for indicating copy right information of an AV data (hereinafter, referred to as EMI) is provided in a header of a packet according to IEEE 1394; and recording and reproducing means for recording and reproducing an AV data and the EMI which are held in the packet data received by said inputting means. Four kinds of EMI are used, and, when an AV data indicating allowance “copy one generation” among them is to be recorded, said recording and reproducing means performs recording while rewriting the EMI to EMI indicating “no more copy.”

摘要翻译： 一种记录和再现装置的特征在于所述装置具有：用于接收基于IEEE 1394的分组数据的输入装置，其中用于指示AV数据的复制权信息（以下称为EMI）的信号信息是 提供在根据IEEE 1394的分组的报头中; 以及用于记录和再现由所述输入装置接收的分组数据中保存的AV数据和EMI的记录和再现装置。 使用四种EMI，并且当要记录指示允许“复制一代”的AV数据时，所述记录和再现装置在将EMI重写为指示“不再复制”的EMI的同时执行记录。

公开(公告)号：US07512962B2

公开(公告)日：2009-03-31

申请号：US11129088

申请日：2005-05-13

申请人： Shoichi Gotoh ,  Yoshiki Kuno ,  Hiroyuki Iitsuka ,  Masazumi Yamada ,  Ryogo Yanagisawa ,  Hirotoshi Uehara ,  Toshiaki Tsuji

发明人： Shoichi Gotoh ,  Yoshiki Kuno ,  Hiroyuki Iitsuka ,  Masazumi Yamada ,  Ryogo Yanagisawa ,  Hirotoshi Uehara ,  Toshiaki Tsuji

IPC分类号： G06F3/00 ,  G06F13/00 ,  H04N5/445

CPC分类号： H04N21/4305 ,  H04L12/40117 ,  H04N5/04 ,  H04N5/4401 ,  H04N5/45 ,  H04N21/4316 ,  H04N21/434 ,  H04N21/4344 ,  H04N21/43632

摘要： A multichannel display data generating apparatus for generating data for displaying AV data on a multiscreen has a plurality of screens for displaying AV data of a plurality of channels, said apparatus comprising: input means for inputting AV data of a plurality of channels being transferred using a transport packet of a transport stream; a smaller number of PCR extracting means for extracting in a time-sharing mode the PCR of a plurality of channels displayed on said plurality of screens than the number of said plurality of screens; the same number of PLL means for establishing PLL synchronization by using said extracted PCR as the number of said plurality of screens; the same number of STC (system time clock) counter means for counting the times of the channels displayed on said plurality of screens by using the oscillation frequency of said PLL means as the number of said plurality of screens; AV decoding means for AV-decoding the AV data of the channels displayed on said multiscreen in AV synchronization with said STC counter means; and output means for outputting said AV-decoded AV data; and wherein said output AV data is displayed on said multiscreen.

摘要翻译： 一种用于生成用于在多画面上显示AV数据的数据的多声道显示数据产生装置具有用于显示多个声道的AV数据的多个画面，所述装置包括：输入装置，用于输入正在传送的多个频道的AV数据， 传输流的传输分组; 较少数量的PCR提取装置，用于以分时模式提取在所述多个屏幕上显示的多个频道的PCR，而不是所述多个屏幕的数量; 通过使用所述提取的PCR作为所述多个屏幕的数量来建立PLL同步的相同数量的PLL装置; 相同数量的STC（系统时钟）计数器装置，用于通过使用所述PLL装置的振荡频率作为所述多个屏幕的数量来对显示在所述多个屏幕上的频道的时间进行计数; AV解码装置，用于与所述STC计数器装置AV同步地AV解码在所述多画面上显示的频道的AV数据; 以及输出装置，用于输出所述AV解码的AV数据; 并且其中所述输出AV数据显示在所述多画面上。

公开(公告)号：US07287282B2

公开(公告)日：2007-10-23

申请号：US10169488

申请日：2001-09-17

申请人： Masazumi Yamada ,  Hiroyuki Iitsuka ,  Naoshi Usuki

发明人： Masazumi Yamada ,  Hiroyuki Iitsuka ,  Naoshi Usuki

IPC分类号： G06F17/30

CPC分类号： H04L63/061 ,  G06F21/445 ,  G06F21/85 ,  G06F2221/2103 ,  G06F2221/2129 ,  H04L12/462 ,  H04L12/4625 ,  H04L63/068 ,  H04L63/0869

摘要： In the case that a bridge unit is connected to a network such as an IEEE 1394 bus, copyright holders want to limit the number of apparatuses that can receive a signal.The invention provides at least one reception unit, or more, that is utilized for receiving data requiring copyright protection, connected to a network and by providing a transmission unit for transmitting data requiring copyright protection to a reception unit by utilizing a network, wherein the transmission unit has an authentication means on the transmission side for carrying out authentication for a reception unit and an authentication number counting means for counting the authentication number that is the number of the authentications carried out by the authentication means on the transmission side while the reception unit has an authentication means on the reception side for carrying out authentication for the authentication means on the transmission side and wherein the above authentication number is limited.

摘要翻译： 在桥单元连接到诸如IEEE 1394总线的网络的情况下，版权所有者希望限制可以接收信号的设备的数量。 本发明提供了至少一个接收单元，其用于接收需要版权保护的数据，连接到网络，并且提供一个发送单元，用于通过利用网络向接收单元发送需要版权保护的数据，其中传输 单元具有用于对接收单元进行认证的发送侧的认证装置和用于对接收单元具有的发送侧的认证装置执行的认证次数的认证号进行计数的认证号码计数装置 接收侧的认证装置用于对发送侧的认证装置进行认证，并且其中上述认证号码受到限制。