Patent application number | Description | Published |
20090060196 | TRANSMITTING APPARATUS, RECEIVING APPARATUS, AND CONTENT TRANSMITTING METHOD - A transmitting apparatus includes a transaction transmitting unit configured to transmit to a receiving apparatus a content to be moved to the receiving apparatus, by using a first transaction established with the receiving apparatus, a counter unit configured to count a progress quantity representing a degree of progress of the transmission of the content from a given point of time with respect to the transmission of the content corresponding to the first transaction to obtain a count value, and a transaction switching unit configured to switch the first transaction used for the transmission of the content to a second transaction, if the count value of the counter unit reaches a predetermined value and the transmission of the content is not completed. | 03-05-2009 |
20110209226 | AV COMMUNICATION CONTROL CIRCUIT FOR REALIZING COPYRIGHT PROTECTION WITH RESPECT TO RADIO LAN - An AV communication control circuit suitable for a radio LAN-LSI in a radio AV transmission/reception device is formed by a copyright protection processing unit configured to carry out a copyright protection processing with respect to AV data entered from an AV stream signal line, a selection unit configured to select either one of AV data entered from an AV stream signal line through the copyright protection processing unit and AV data entered from a general purpose bus, and a transmission control unit configured to carry out control for transmitting AV data selected by the selection unit to a network. | 08-25-2011 |
20110320824 | INFORMATION PROCESSING APPARATUS AND INFORMATION PROCESSING METHOD - An information processing method has a request determining part determining a request type for streaming contents from a communicating apparatus, a copy number managing part managing the number of copies permissible for the communicating apparatus when permission of one or more of copies of streaming contents is requested, a stream number managing part managing the number of streams now in communication when the request determining part determines that the communicating apparatus has requested transfer of streaming contents without asking permission of one or more of copies, and to make stop transfer of streaming contents if the number of streams now in communication exceeds a predetermined threshold value, a key-selection processing part selecting a first key corresponding to transfer of streaming contents permissible for one or more of copies or a second key corresponding to transfer of streaming contents for copies with generation management restriction or not permissible for copies, an encryption processing part generating encrypted streaming contents using the first or the second key, and a packet processing part generating a packet that includes the encrypted streaming contents and key information selected by the key-selection processing part and to include information on the number of copies to the packet when the first key is selected. | 12-29-2011 |
20120079551 | INFORMATION OUTPUT APPARATUS, INFORMATION PROCESSING SYSTEM AND INFORMATION PROCESSING METHOD - An information output apparatus has a first interface to receive an equipment operational signal from a short-range wireless communication apparatus, a second interface to receive broadcast wave data based on the equipment operational signal, a third interface to transmit the equipment operational signal to an information generating apparatus, a fourth interface to receive video data transmitted from the information generating apparatus, a fifth interface to receive a control command transmitted from the information generating apparatus in response to the equipment operational signal transmitted from the third interface part, an information superimposing part to transmit the equipment operational signal from the third interface part to the information generating apparatus and then to superimpose video data updated by the information generating apparatus and received from the fourth interface part with the broadcast wave data to display the superimposed data on a display part. | 03-29-2012 |
20120084558 | INFORMATION PROCESSING APPARATUS AND INFORMATION PROCESSING METHOD - An information processing apparatus has an authentication and key exchange processing unit, a packet selector, a content key generator, a content decryption unit to decrypt, based on the content key, the encrypted content which is included in the content packet and received following the CCI packet, a CCI set identifier management unit to manage a CCI identifier corresponding to recognizable copy control information, a CCI selector, a CCI analyzer to analyze copy control information corresponding to the CCI identifier selected by the CCI selector, a content processing unit to perform, based on an analysis result of the CCI analyzer, the receiving process on the content data corresponding to the content packet received following the CCI packet, a first communication connection unit to perform the authentication and key exchange process, and a second communication connection unit to transmit the content packet and the CCI packet. | 04-05-2012 |
20120224695 | COMMUNICATING DEVICE AND COMMUNICATING METHOD - The debugging unit writes a public key of the key issuing server and an initializing program given from outside, to the storage unit. The instruction executing unit reads and executes the initializing program stored in the storage unit. The debug disabling unit disables the debugging unit. The public-key encrypting unit encrypts the random number by the public key in the storage unit, the random number generated by the random number generating unit after the debugging unit is disabled. The transmitting unit transmits the encrypted random number to the key issuing server. The receiving unit receives an individual key encrypted by the random number from the key issuing server. The individual-key writing unit decrypts the encrypted individual key by the random number to obtain the individual key and write the individual key to the storage unit. | 09-06-2012 |
20130024679 | INFORMATION RECORDING APPARATUS - An information recording apparatus has a drive unit to record digital information including digital contents; and a host unit to control reading and writing of the digital information for the drive unit. The host unit has a network processing unit to communicate with a server, a shadow determination unit to determine whether a shadow boot program to be executed prior to a boot program is executable, a shadow reading unit to read the shadow program from the drive unit when the shadow determination unit determines to be executable, a shadow execution unit to execute the shadow program, a server authentication unit to perform authentication with the server in accordance with a processing of the shadow program, and a password transmitter to transmit to the drive unit a password used for unlock of the drive unit when the authentication with the server is successful. | 01-24-2013 |
20130275759 | TRANSMITTER, RECEIVER, AND TRANSMITTING METHOD - According to one embodiment, a transmitting method transmits a start request for an authentication and key exchange from at least one of receivers to the transmitter, performs an authentication and key exchange for at least one of a first key common to the receivers and a second key peculiar to the at least one of the receivers, and encrypts the content by using a key shared by the transmitter and the at least one of the receivers to transmit the encrypted content to the at least one of the receivers. | 10-17-2013 |
20140026198 | INFORMATION PROCESSING APPARATUS AND CONTROL METHOD - According to one embodiment, a control module detects each of a plurality of events. A management module transmits a determination result indicative of one of permission and prohibition of execution of a specific process to the control module when a second event of requesting execution of the specific process is detected before detection of a first event of requesting a connection to a specific external communication device. When the second event is detected after the detection of the first event, the management module transmits the other of permission and prohibition of the execution of the specific process to the control module. | 01-23-2014 |
20140026228 | INFORMATION PROCESSING APPARATUS AND CONTROL METHOD - According to one embodiment, an information processing apparatus includes a management module and a control module. The control module detects an event of requesting install of an application program, and transmits, prior to execution of the install, install event information including an application name of the application program to the management module. The management module notifies the install event information to a determination program, and transmits to the control module a determination result indicative of permission or prohibition of the install, the determination result being received from the determination program. | 01-23-2014 |
20140122902 | INFORMATION PROCESSING APPARATUS - According to one embodiment, a first processor of an information processing apparatus switches between a secure mode and a non-secure mode and reports its mode. When the first processor is in the secure mode, a second processor accesses to a protected area of a storage module. A boot program for the first processor and a program which activates the first processor in the non-secure mode are verified. Furthermore, a program which activates the first processor in the secure mode is encrypted, and its decryption key is stored in the protected area of the storage module. | 05-01-2014 |
20140123320 | PROCESSOR, PROCESSOR CONTROL METHOD, AND INFORMATION PROCESSING DEVICE - According to one embodiment, a processor accesses a storage module upon a request from a processor module, which selectively switches between a secure mode and a non-secure mode and performs predetermined data processing in each mode. In this case, the access to a protected area of the storage module is permitted only when the processor module is in the secure mode based on a report indicative of an own mode, which is output from the processor module. | 05-01-2014 |
20140298026 | INFORMATION PROCESSING DEVICE AND COMPUTER PROGRAM PRODUCT - According to an embodiment, a device includes a processor unit, a control unit, a setting unit, a writing unit, and an executing unit. The processor unit is configured to switch between secure and non-secure modes, read/write data from/to a memory unit, and write an OS execution image of a secure OS unit to the memory unit. The setting unit is configured to set a shared memory area allowing reading and writing in both modes and an execution module memory area allowing reading and writing in the secure mode but not allowing reading or writing in the non-secure mode with respect to the control unit. The writing unit is configured to write an execution module to be executed in the secure OS unit to the shared memory area. The executing unit is configured to execute the execution module that has been written to the execution module memory area. | 10-02-2014 |
20140298375 | INFORMATION OUTPUT DEVICE, INFORMATION MANIPULATION DEVICE, AND COMPUTER PROGRAM PRODUCT - According to an embodiment, a tuner unit, a managing unit, a private code verifying unit, an application origin verifying unit, and a device operation command processing unit. The tuner unit is configured to perform a decoding process of a broadcast program and program related information from broadcasting waves. The managing unit is configured to store a private code on a device-by-device basis. The private code verifying unit is configured to verify whether the private code obtained from an information manipulation device matches with the stored private code. The application origin verifying unit is configured to determine whether first origin information that has been received matches with second origin information of the application being executed. The device operation command processing unit is configured to allow execution of the device operation command when the first origin information and the second origin information match and when the private codes match. | 10-02-2014 |
20140372651 | INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND COMPUTER PROGRAM PRODUCT - According to an embodiment, an information processing apparatus includes a banked register determiner and a saving register determiner. The banked register determiner is configured to hold register information indicating which of a banked register and a non-banked register a register which is used by the operating system is, receive an acquisition instruction for the non-banked or banked register and the information about the mode of the operating system, and return a list of the non-banked or banked registers. The saving register determiner is configured to acquire the mode in which the operating system is capable of operating, determine that saving of the banked register for the mode is necessary when another operating system is capable of operating in the mode, acquire a list of the banked registers, and acquire a list of the non-banked registers from the banked register determiner. | 12-18-2014 |
20150082053 | INFORMATION PROCESSING APPARATUS AND PROGRAM EXECUTION METHOD - According to one embodiment, an information processing apparatus includes a processor, a main memory, and a memory controller. The memory controller executes an access restriction for each memory region. A first program decodes a protected program which was encrypted in a secure mode. The first program places the protected program which was decoded in a memory region. A second program executes the protected program in a secure mode. The processor places a code region and a protected data region in the protected program which was decoded in a memory region having an access restriction by using the first program. When an access to the protected data region is confirmed, the processor confirms by using the second program that the access is caused by a command from the code region placed by the first program, and then, executes the command. | 03-19-2015 |