JP4194481B2 - 秘密情報保管処理方法及び秘密情報保管装置、並びに秘密情報復元処理方法及び秘密情報復元装置 - Google Patents

秘密情報保管処理方法及び秘密情報保管装置、並びに秘密情報復元処理方法及び秘密情報復元装置 Download PDF

Info

Publication number
JP4194481B2
JP4194481B2 JP2003405849A JP2003405849A JP4194481B2 JP 4194481 B2 JP4194481 B2 JP 4194481B2 JP 2003405849 A JP2003405849 A JP 2003405849A JP 2003405849 A JP2003405849 A JP 2003405849A JP 4194481 B2 JP4194481 B2 JP 4194481B2
Authority
JP
Japan
Prior art keywords
information
secret information
secret
recording
shared
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP2003405849A
Other languages
English (en)
Japanese (ja)
Other versions
JP2005167794A (ja
JP2005167794A5 (OSRAM
Inventor
啓一 廣田
雅和 遠藤
亮 北原
雅司 山室
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NTT Inc
NTT Inc USA
Original Assignee
Nippon Telegraph and Telephone Corp
NTT Inc USA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Telegraph and Telephone Corp, NTT Inc USA filed Critical Nippon Telegraph and Telephone Corp
Priority to JP2003405849A priority Critical patent/JP4194481B2/ja
Publication of JP2005167794A publication Critical patent/JP2005167794A/ja
Publication of JP2005167794A5 publication Critical patent/JP2005167794A5/ja
Application granted granted Critical
Publication of JP4194481B2 publication Critical patent/JP4194481B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Storage Device Security (AREA)
JP2003405849A 2003-12-04 2003-12-04 秘密情報保管処理方法及び秘密情報保管装置、並びに秘密情報復元処理方法及び秘密情報復元装置 Expired - Fee Related JP4194481B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2003405849A JP4194481B2 (ja) 2003-12-04 2003-12-04 秘密情報保管処理方法及び秘密情報保管装置、並びに秘密情報復元処理方法及び秘密情報復元装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003405849A JP4194481B2 (ja) 2003-12-04 2003-12-04 秘密情報保管処理方法及び秘密情報保管装置、並びに秘密情報復元処理方法及び秘密情報復元装置

Publications (3)

Publication Number Publication Date
JP2005167794A JP2005167794A (ja) 2005-06-23
JP2005167794A5 JP2005167794A5 (OSRAM) 2006-05-25
JP4194481B2 true JP4194481B2 (ja) 2008-12-10

Family

ID=34728403

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003405849A Expired - Fee Related JP4194481B2 (ja) 2003-12-04 2003-12-04 秘密情報保管処理方法及び秘密情報保管装置、並びに秘密情報復元処理方法及び秘密情報復元装置

Country Status (1)

Country Link
JP (1) JP4194481B2 (OSRAM)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4587452B2 (ja) * 2004-09-10 2010-11-24 日本電信電話株式会社 複数鍵暗号化装置、複数鍵復号装置、複数鍵暗号化システム及びプログラム。
JP5136412B2 (ja) 2006-06-30 2013-02-06 日本電気株式会社 分散情報生成装置及び復元装置
JP5210376B2 (ja) * 2007-05-07 2013-06-12 ヒタチデータ・システムズ・コーポレイション 固定コンテンツ分散型データ記憶システムにおけるデータ機密保持方法
KR101483171B1 (ko) 2013-07-01 2015-01-16 주식회사 잉카인터넷 메모리 데이터 보호 시스템 및 방법
EP3364328A1 (en) * 2015-10-16 2018-08-22 Tohoku Techno Arch Co., Ltd. Information processing system, information processing device, information processing method, and program
JP6372813B1 (ja) * 2017-12-20 2018-08-15 株式会社イスプリ データ管理システム

Also Published As

Publication number Publication date
JP2005167794A (ja) 2005-06-23

Similar Documents

Publication Publication Date Title
US8892881B2 (en) Split key secure access system
JP4539952B2 (ja) 情報分散保管システム、その装置、プログラム及び記録媒体
US20120255030A1 (en) Secret sharing apparatus, sharing apparatus and secret sharing method
EP3970399B1 (en) A computer-implemented method of performing feistel-network-based block-cipher encryption of plaintext
CN105871549B (zh) 一种数字信号加密处理方法
CN102013980A (zh) 需要采用穷举法解密的随机加密方法
JP2011041326A (ja) データ分割方法、データ分割装置およびコンピュータプログラム
JP2004523183A (ja) データ、情報および機能変換のカモフラージュのための方法および装置
JP2005141436A5 (OSRAM)
JP4676695B2 (ja) データ分割方法、データ分割装置およびコンピュータプログラム
Preethi et al. A high secure medical image storing and sharing in cloud environment using hex code cryptography method—secure genius
JP4194481B2 (ja) 秘密情報保管処理方法及び秘密情報保管装置、並びに秘密情報復元処理方法及び秘密情報復元装置
Saracevic et al. Implementation of encryption and data hiding in E-health application
JP4623623B2 (ja) 復元制御型秘密情報分散装置
JP2005167794A5 (OSRAM)
JP2005130404A5 (OSRAM)
JP6373237B2 (ja) 秘密分散装置，データ復元装置，秘密分散方法，データ復元方法およびそれらの制御プログラム
JP7027060B2 (ja) 秘密分散システム及びその方法
JP2010186075A (ja) 整数の暗号化及び復号化方法
JP2005346005A (ja) データ秘匿装置、データ秘匿方法、及びデータ秘匿プログラム
JP4789536B2 (ja) データ分割装置、データ分割方法およびコンピュータプログラム
JP2003345243A (ja) 畳み込み暗号化方法、畳み込み暗号化装置および畳み込み暗号化プログラム
JP4587452B2 (ja) 複数鍵暗号化装置、複数鍵復号装置、複数鍵暗号化システム及びプログラム。
US11664976B2 (en) Method and devices for creating redundancy and encryption using Mojette Transform
Welekar et al. A novel approach for file encryption

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20060330

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20060330

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20080604

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20080618

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20080807

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20080917

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20080922

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20111003

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20121003

Year of fee payment: 4

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20131003

Year of fee payment: 5

S531 Written request for registration of change of domicile

Free format text: JAPANESE INTERMEDIATE CODE: R313531

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

LAPS Cancellation because of no payment of annual fees