Patents by Inventor Akito Niwa
Akito Niwa has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Patent number: 8688969Abstract: A cryptographic management apparatus includes a storage unit which stores cryptographic key information containing a cryptographic key and cryptographic process condition information containing the cryptographic key information, a cryptographic process information input unit which receives an input of the object information and cryptographic key search request information, a cryptographic key information acquisition unit which acquires the cryptographic key information from the storage unit based on the search request information, a cryptographic module evaluation description information acquisition unit which acquires evaluation description information of the cryptographic module corresponding to the cryptographic key information, a cryptographic process ID creation unit which attaches an identifier of the cryptographic process condition information to the object information based on the cryptographic key information and the cryptographic module corresponding to the evaluation description information, and anType: GrantFiled: September 25, 2008Date of Patent: April 1, 2014Assignees: Toshiba Solutions Corporation, Yokosuka Telecom Research Park, Inc.Inventors: Shingo Miyazaki, Takanori Nakamizo, Akito Niwa, Koji Okada, Kouya Tochikubo, Shigeyuki Fukushima, Chiaki Ishikawa, Noboru Koshizuka, Ken Sakamura
-
Patent number: 8478724Abstract: According to one embodiment, even when the information media controlling apparatus which requests replication registration of electronic data and the information media controlling apparatus which acquires a child management file generated by replication registration are separate apparatuses, the information management server apparatus registers a child management ID of electronic data and a post office box ID of the acquisition destination of a child management file, in the post office box management table based on replication registration request information received from one information media controlling apparatus, and has the other information media controlling apparatus which is the acquisition destination acquire the child management file based on the post office box management table.Type: GrantFiled: June 24, 2011Date of Patent: July 2, 2013Assignees: Kabushiki Kaisha Toshiba, Toshiba Solutions CorporationInventors: Shingo Miyazaki, Akito Niwa, Tomoaki Morijiri, Kazuya Hashimoto, Minako Ogawa
-
Patent number: 8406422Abstract: A cryptographic module management apparatus searches for cryptographic module meta-information based on the category information of a requested cryptographic module and, if associated cryptographic module category information is contained in this cryptographic module meta-information, searches for the cryptographic module meta-information of an associated cryptographic module, to generate composite type cryptographic module evaluation information based on this cryptographic module meta-information, select a cryptographic module based on this composite type cryptographic module evaluation information, and read this cryptographic module from a cryptographic module storage portion and output such composite type cryptographic module evaluation information.Type: GrantFiled: September 18, 2008Date of Patent: March 26, 2013Assignees: Toshiba Solutions Corporation, Yokosuka Telecom Research Park, Inc.Inventors: Shingo Miyazaki, Takanori Nakamizo, Akito Niwa, Koji Okada, Kouya Tochikubo, Shigeyuki Fukushima, Chiaki Ishikawa, Noboru Koshizuka, Ken Sakamura
-
Patent number: 8396218Abstract: In a cryptographic module distribution system, a cryptographic management server apparatus encrypts a cryptographic module using a key shared by a cryptographic apparatus, and transmits the encrypted cryptographic module to a client apparatus. The client apparatus transmits the encrypted cryptographic module to a cryptographic apparatus. The cryptographic apparatus decrypts the encrypted cryptographic module using the key shared by the cryptographic management server apparatus, and transmits the decrypted cryptographic module to the client apparatus. The client apparatus stores the received cryptographic module.Type: GrantFiled: September 18, 2008Date of Patent: March 12, 2013Assignees: Toshiba Solutions Corporation, Yokosuka Telecom Research Park, Inc.Inventors: Shingo Miyazaki, Takanori Nakamizo, Akito Niwa, Koji Okada, Kouya Tochikubo, Shigeyuki Fukushima, Chiaki Ishikawa, Noboru Koshizuka, Ken Sakamura
-
Patent number: 8370643Abstract: A cryptographic module selecting device includes a cryptographic module evaluation information storage device configured to store identification information of a cryptographic module and cryptographic module evaluation information describing a function and/or performance of the cryptographic module in relation to each other, a condition information acquiring device configured to acquire condition information for specifying the condition of the cryptographic module to be selected, an extracting device configured to extract cryptographic module evaluation information conforming to the acquired condition information, from the stored cryptographic module evaluation information of the cryptographic module, and an output device configured to read out the identification information of the cryptographic module corresponding to the cryptographic module evaluation information selected by the extracting device from the cryptographic module evaluation information storage device and output the read identification informatType: GrantFiled: September 25, 2008Date of Patent: February 5, 2013Assignees: Toshiba Solutions Corporation, Yokosuka Telecom Research Park, Inc.Inventors: Shingo Miyazaki, Takanori Nakamizo, Akito Niwa, Koji Okada, Kouya Tochikubo, Shigeyuki Fukushima, Chiaki Ishikawa, Noboru Koshizuka, Ken Sakamura
-
Publication number: 20110307446Abstract: According to one embodiment, even when the information media controlling apparatus which requests replication registration of electronic data and the information media controlling apparatus which acquires a child management file generated by replication registration are separate apparatuses, the information management server apparatus registers a child management ID of electronic data and a post office box ID of the acquisition destination of a child management file, in the post office box management table based on replication registration request information received from one information media controlling apparatus, and has the other information media controlling apparatus which is the acquisition destination acquire the child management file based on the post office box management table.Type: ApplicationFiled: June 24, 2011Publication date: December 15, 2011Inventors: Shingo MIYAZAKI, Akito Niwa, Tomoaki Morijiri, Kazuya Hashimoto, Minako Ogawa
-
Publication number: 20100281270Abstract: A cryptographic module selecting device includes a cryptographic module evaluation information storage device configured to store identification information of a cryptographic module and cryptographic module evaluation information describing a function and/or performance of the cryptographic module in relation to each other, a condition information acquiring device configured to acquire condition information for specifying the condition of the cryptographic module to be selected, an extracting device configured to extract cryptographic module evaluation information conforming to the acquired condition information, from the stored cryptographic module evaluation information of the cryptographic module, and an output device configured to read out the identification information of the cryptographic module corresponding to the cryptographic module evaluation information selected by the extracting device from the cryptographic module evaluation information storage device and output the read identification informatType: ApplicationFiled: September 25, 2008Publication date: November 4, 2010Inventors: Shingo Miyazaki, Takanori Nakamizo, Akito Niwa, Koji Okada, Kouya Tochikubo, Shigeyuki Fukushima, Chiaki Ishikawa, Noboru Koshizuka, Ken Sakamura
-
Publication number: 20090138700Abstract: A cryptographic management apparatus includes a storage unit which stores cryptographic key information containing a cryptographic key and cryptographic process condition information containing the cryptographic key information, a cryptographic process information input unit which receives an input of the object information and cryptographic key search request information, a cryptographic key information acquisition unit which acquires the cryptographic key information from the storage unit based on the search request information, a cryptographic module evaluation description information acquisition unit which acquires evaluation description information of the cryptographic module corresponding to the cryptographic key information, a cryptographic process ID creation unit which attaches an identifier of the cryptographic process condition information to the object information based on the cryptographic key information and the cryptographic module corresponding to the evaluation description information, and anType: ApplicationFiled: September 25, 2008Publication date: May 28, 2009Inventors: Shingo Miyazaki, Takanori Nakamizo, Akito Niwa, Koji Okada, Kouya Tochikubo, Shigeyuki Fukushima, Chiaki Ishikawa, Noboru Koshizuka, Ken Sakamura
-
Publication number: 20090138708Abstract: In a cryptographic module distribution system, a cryptographic management server apparatus encrypts a cryptographic module using a key shared by a cryptographic apparatus, and transmits the encrypted cryptographic module to a client apparatus. The client apparatus transmits the encrypted cryptographic module to a cryptographic apparatus. The cryptographic apparatus decrypts the encrypted cryptographic module using the key shared by the cryptographic management server apparatus, and transmits the decrypted cryptographic module to the client apparatus. The client apparatus stores the received cryptographic module.Type: ApplicationFiled: September 18, 2008Publication date: May 28, 2009Inventors: Shingo Miyazaki, Takanori Nakamizo, Akito Niwa, Koji Okada, Kouya Tochikubo, Shigeyuki Fukushima, Chiaki Ishikawa, Noboru Koshizuka, Ken Sakamura
-
Publication number: 20090129586Abstract: A cryptographic module management apparatus searches for cryptographic module meta-information based on the category information of a requested cryptographic module and, if associated cryptographic module category information is contained in this cryptographic module meta-information, searches for the cryptographic module meta-information of an associated cryptographic module, to generate composite type cryptographic module evaluation information based on this cryptographic module meta-information, select a cryptographic module based on this composite type cryptographic module evaluation information, and read this cryptographic module from a cryptographic module storage portion and output such composite type cryptographic module evaluation information.Type: ApplicationFiled: September 18, 2008Publication date: May 21, 2009Inventors: Shingo Miyazaki, Takanori Nakamizo, Akito Niwa, Koji Okada, Kouya Tochikubo, Shigeyuki Fukushima, Chiaki Ishikawa, Noboru Koshizuka, Ken Sakamura
-
Patent number: 6842523Abstract: In an encryption apparatus for encrypting a data body to contain an encrypted data body in transmission data and transmitting the transmission data to a receiver, the transmission data includes sender's key recovery data obtained by encrypting recovery information for recovering a key for decrypting the encrypted data body to allow a key recovery agent registered by a sender to decrypt the recovery information, and receiver's key recovery data obtained by encrypting the recovery information for recovering the key for decrypting the encrypted data body to allow a key recovery agent registered by a receiver to decrypt the recovery information.Type: GrantFiled: November 24, 1999Date of Patent: January 11, 2005Assignee: Kabushiki Kaisha ToshibaInventors: Akito Niwa, Shinichi Kawamura, Megumi Aoki, Toshiaki Saisho, Tatsuya Ishihara, Fumihiko Sano, Satomi Hori