JP5539024B2 - データ暗号化装置およびその制御方法 - Google Patents

データ暗号化装置およびその制御方法 Download PDF

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Publication number
JP5539024B2
JP5539024B2 JP2010121772A JP2010121772A JP5539024B2 JP 5539024 B2 JP5539024 B2 JP 5539024B2 JP 2010121772 A JP2010121772 A JP 2010121772A JP 2010121772 A JP2010121772 A JP 2010121772A JP 5539024 B2 JP5539024 B2 JP 5539024B2
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JP
Japan
Prior art keywords
data
encryption
input
information
conversion
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Expired - Fee Related
Application number
JP2010121772A
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English (en)
Japanese (ja)
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JP2011248124A (ja
JP2011248124A5 (enExample
Inventor
信博 田頭
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Canon Inc
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Canon Inc
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Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2010121772A priority Critical patent/JP5539024B2/ja
Priority to US13/098,629 priority patent/US8689014B2/en
Publication of JP2011248124A publication Critical patent/JP2011248124A/ja
Publication of JP2011248124A5 publication Critical patent/JP2011248124A5/ja
Application granted granted Critical
Publication of JP5539024B2 publication Critical patent/JP5539024B2/ja
Expired - Fee Related legal-status Critical Current
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
    • H04L9/0869—Generation of secret information including derivation or calculation of cryptographic keys or passwords involving random numbers or seeds
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60—Protecting data
    • G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
    • G06F21/6209—Protecting access to data via a platform, e.g. using keys or access control rules to a single file or object, e.g. in a secure envelope, encrypted and accessed using a key, or with access control rules appended to the object itself
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60—Protecting data
    • G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
    • G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
    • H04L9/0866—Generation of secret information including derivation or calculation of cryptographic keys or passwords involving user or device identifiers, e.g. serial number, physical or biometrical information, DNA, hand-signature or measurable physical characteristics
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/2143—Clearing memory, e.g. to prevent the data from being stolen
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/12—Details relating to cryptographic hardware or logic circuitry

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Theoretical Computer Science (AREA)
  • Bioethics (AREA)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • General Health & Medical Sciences (AREA)
  • Computer Hardware Design (AREA)
  • Software Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Databases & Information Systems (AREA)
  • Storage Device Security (AREA)
JP2010121772A 2010-05-27 2010-05-27 データ暗号化装置およびその制御方法 Expired - Fee Related JP5539024B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2010121772A JP5539024B2 (ja) 2010-05-27 2010-05-27 データ暗号化装置およびその制御方法
US13/098,629 US8689014B2 (en) 2010-05-27 2011-05-02 Data encryption device and control method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2010121772A JP5539024B2 (ja) 2010-05-27 2010-05-27 データ暗号化装置およびその制御方法

Publications (3)

Publication Number Publication Date
JP2011248124A JP2011248124A (ja) 2011-12-08
JP2011248124A5 JP2011248124A5 (enExample) 2013-07-11
JP5539024B2 true JP5539024B2 (ja) 2014-07-02

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Family Applications (1)

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JP2010121772A Expired - Fee Related JP5539024B2 (ja) 2010-05-27 2010-05-27 データ暗号化装置およびその制御方法

Country Status (2)

Country Link
US (1) US8689014B2 (enExample)
JP (1) JP5539024B2 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017068481A1 (en) * 2015-10-20 2017-04-27 Jayaram Sanjay System for managing data

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60230737A (ja) * 1984-05-01 1985-11-16 Nec Corp 暗号方式
JPS63205745A (ja) * 1987-02-21 1988-08-25 Fujitsu Ltd 文書作成処理装置における暗号化処理方式
JP3121981B2 (ja) * 1994-03-10 2001-01-09 京セラミタ株式会社 暗号通信のための端末装置
DE19924986B4 (de) * 1998-05-29 2006-03-23 Hitachi, Ltd. Verschlüsselungs-Konversionsvorrichtung, Entschlüsselungs-Konversionsvorrichtung, kryptografisches Kommunikationssystem und elektronische Gebühren-Sammelvorrichtung
SG124292A1 (en) * 2000-03-09 2006-08-30 Mitsubishi Electric Corp Block cipher apparatus using auxiliary transformation
JP4470312B2 (ja) * 2000-10-10 2010-06-02 ソニー株式会社 サーバ装置、再生装置、データ配信方法、データ再生方法、記憶媒体
US7068788B2 (en) * 2001-01-04 2006-06-27 Maxim Integrated Products, Inc. Data encryption for suppression of data-related in-band harmonics in digital to analog converters
US20020136400A1 (en) * 2001-01-08 2002-09-26 Arif Askerov R-conversion encryption method and system
US20030009681A1 (en) * 2001-07-09 2003-01-09 Shunji Harada Digital work protection system, recording medium apparatus, transmission apparatus, and playback apparatus
JP4581334B2 (ja) * 2003-04-08 2010-11-17 ソニー株式会社 データ伝送装置及びデータ受信装置
US7929688B2 (en) * 2003-04-24 2011-04-19 Panasonic Corporation Parameter generation apparatus, encryption system, decryption system, encryption apparatus, decryption apparatus, encryption method, decryption method, and program thereof
JP4611305B2 (ja) * 2003-10-03 2011-01-12 パナソニック株式会社 情報伝達システム、暗号装置及び復号装置
US7484090B2 (en) * 2003-10-10 2009-01-27 Panasonic Corporation Encryption apparatus, decryption apparatus, secret key generation apparatus, and copyright protection system
KR100538245B1 (ko) * 2004-01-02 2005-12-21 삼성전자주식회사 네트워크 프린터에서 인증 프로토콜을 이용한 데이터 보안인쇄 방법 및 시스템
KR20070006761A (ko) * 2004-02-03 2007-01-11 마츠시타 덴끼 산교 가부시키가이샤 기록재생장치 및 콘텐츠 보호시스템
KR20060130760A (ko) * 2004-03-23 2006-12-19 마츠시타 덴끼 산교 가부시키가이샤 콘텐츠 이동장치, 콘텐츠 이동방법, 컴퓨터 프로그램,기록매체 및 콘텐츠 이동시스템
WO2005103907A1 (ja) * 2004-04-21 2005-11-03 Matsushita Electric Industrial Co., Ltd. 記録装置、記録媒体及びコンテンツ保護システム
KR100636173B1 (ko) * 2004-09-13 2006-10-19 삼성전자주식회사 임시 저장을 이용한 멀티-스트리밍 방법 및 장치
JP4721692B2 (ja) * 2004-11-30 2011-07-13 パナソニック株式会社 コンテンツ管理装置及びコンテンツ管理方法
JP4596538B2 (ja) * 2005-09-05 2010-12-08 京セラミタ株式会社 情報処理装置、記録媒体、およびプログラム
JP2007189659A (ja) * 2005-12-15 2007-07-26 Toshiba Corp 暗号化装置、暗号化方法及び暗号化プログラム
JP2007193654A (ja) * 2006-01-20 2007-08-02 Nec Personal Products Co Ltd コンテンツ記録装置、コンテンツ処理方法、およびプログラム
JP4832959B2 (ja) * 2006-05-25 2011-12-07 富士通株式会社 音声通信端末装置、音声通信制御方法および音声通信端末プログラム
JP2008005408A (ja) * 2006-06-26 2008-01-10 Canon Inc 記録データ処理装置
US20080080706A1 (en) * 2006-09-29 2008-04-03 Fujitsu Limited Code conversion apparatus, code conversion method, and computer product
JP5060119B2 (ja) * 2006-12-19 2012-10-31 株式会社富士通ビー・エス・シー 暗号処理プログラム、暗号処理方法および暗号処理装置
JP2009026038A (ja) * 2007-07-19 2009-02-05 Ricoh Co Ltd 情報処理装置、プログラムおよび記録媒体

Also Published As

Publication number Publication date
US8689014B2 (en) 2014-04-01
JP2011248124A (ja) 2011-12-08
US20110293087A1 (en) 2011-12-01

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