JP4460251B2 - 構造化文書署名装置、構造化文書適応化装置及び構造化文書検証装置。 - Google Patents
構造化文書署名装置、構造化文書適応化装置及び構造化文書検証装置。 Download PDFInfo
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- JP4460251B2 JP4460251B2 JP2003329175A JP2003329175A JP4460251B2 JP 4460251 B2 JP4460251 B2 JP 4460251B2 JP 2003329175 A JP2003329175 A JP 2003329175A JP 2003329175 A JP2003329175 A JP 2003329175A JP 4460251 B2 JP4460251 B2 JP 4460251B2
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- G06F21/64—Protecting data integrity, e.g. using checksums, certificates or signatures
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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
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3236—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions
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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
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures
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- 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
- H04L2209/60—Digital content management, e.g. content distribution
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- 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
- H04L2209/68—Special signature format, e.g. XML format
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- Document Processing Apparatus (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
- Storage Device Security (AREA)
Description
以下、図面を参照して、本発明の第1の実施形態に係る構造化文書検証システムについて説明する。図1は、本発明の第1の実施形態に係る構造化文書検証システム1の全体構成を示す図である。
ステップ3002において、ハッシュ木再構成部302が、データ正当性検証部303を介して受信した構造化文書に基づいて、当該構造化文書を構成する各要素及び当該各要素の値からなるハッシュ木を再構成する。
本発明の第1の実施形態に係る構造化文書署名装置100によれば、各要素に対して適応化ポリシーを指定することができ、各要素や各要素の値に対しての適応化を制約することができる。
図20を参照して、本発明の第2の実施形態について説明する。以下、本実施形態に係る構造化文書検証システムについて、上述の第1の実施形態に係る構造化文書検証システムとの相違点を主として説明する。
本実施形態に係る構文化文書署名装置100によれば、構文化文書署名装置100から出力される構造化文書から、埋め込まれているハッシュ木の構成要素が削除されることにより、通信量を削減することが可能である。
図21乃至図27を参照して、本発明の第3の実施形態について説明する。以下、本実施形態に係る構造化文書検証システムについて、上述の第1の実施形態に係る構造化文書検証システムとの相違点を主として説明する。
本実施形態に係る構造化文書署名装置100及び構造化文書適応化装置200によれば、構造化文書の適応化として、要素の値の追加を行い、値の追加を行った要素に対して、適応化ポリシーに反した適応化が行われていないことを検証することが可能である。
図28乃至図30を参照して、本発明の第4の実施形態について説明する。以下、本実施形態に係る構造化文書検証システムについて、上述の第3の実施形態に係る構造化文書検証システムとの相違点を主として説明する。
100…構造化文書署名装置
101、201、301…構造化文書入力部
102…適応化ポリシー挿入部
103…ハッシュ木構成部
104…電子署名付与部
105、205…構造化文書出力部
200…構造化文書適応化部
202…適応化決定部
203…適応化ポリシー検査部
204…適応化部
300…構造化文書検証装置
302…ハッシュ木再構成部
303…データ正当性検証部
304…適応化ポリシー検証部
305…サービス利用部
Claims (9)
- 構造化文書を構成する要素に、前記要素の値又は前記要素の子要素に対して適応可能なアクションを示す適応化ポリシーを関連付ける適応化ポリシー関連付け部と、
前記要素に前記適応化ポリシーが関連付けられた前記構造化文書に基づいて、前記構造化文書を構成する各要素の属性値としてそれぞれ前記各要素の値のハッシュ値及び前記各要素の子要素のハッシュ値を挿入し、前記属性値を含む前記各要素のハッシュ値を構成要素とするハッシュ木を構成するハッシュ木構成部と、
前記ハッシュ木の根及び前記適応化ポリシーに対して電子署名を付与する電子署名付与部と、
前記構造化文書及び前記電子署名を出力する出力部とを具備することを特徴とする構造化文書署名装置。 - 前記出力部は、前記構造化文書及び前記電子署名と共に、前記適応化ポリシーを出力することを特徴とする請求項1に記載の構造化文書署名装置。
- 前記適応化ポリシー関連付け部は、前記適応化ポリシーの所在を示す情報を用いて、前記要素に前記適応化ポリシーを関連付けることを特徴とする請求項1に記載の構造化文書署名装置。
- 前記適応化ポリシー関連付け部は、前記適応化ポリシーを編集する手段を具備することを特徴とする請求項1に記載の構造化文書署名装置。
- 前記ハッシュ木構成部は、前記ハッシュ木の根を算出した後、前記各要素に属性値として挿入されている前記各要素の値のハッシュ値又は前記各要素の子要素のハッシュ値を削除することを特徴とする請求項1に記載の構造化文書署名装置。
- 値の追加を許可する要素に対して、前記要素に関連付けられている前記適応化ポリシーに反する値の追加が前記要素に対して行われていないことを検証するための検証手段を設ける検証手段設定部を具備することを特徴とする請求項1に記載の構造化文書署名装置。
- 構造化文書が、前記構造化文書で指定されている適応化ポリシーに従って適応化されているか否かについて検証する適応化検証部と、
前記構造化文書を構成する各要素の属性値としてそれぞれ前記各要素の値のハッシュ値及び前記各要素の子要素のハッシュ値を挿入し、前記属性値を含む前記各要素のハッシュ値を構成要素とするハッシュ木を構成するハッシュ木構成部と、
再構成した前記ハッシュ木の根と前記適応化ポリシーとに基づいて、前記構造化文書に付与されている電子署名の正当性について検証する電子署名検証部とを具備することを特徴とする構造化文書検証装置。 - 前記ハッシュ木再構成部は、前記要素の値又は前記要素の子要素が削除されている場合、それぞれ前記要素に属性値として挿入されている前記値のハッシュ値又は前記子要素のハッシュ値を前記ハッシュ木の構成要素とすることを特徴とする請求項7に記載の構造化文書検証装置。
- 前記ハッシュ木再構成部は、値の追加が許可されている要素に対して、前記適応化ポリシーに従って適応化が行われているか否かについて検証することを特徴とする請求項7に記載の構造化文書検証装置。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003329175A JP4460251B2 (ja) | 2003-09-19 | 2003-09-19 | 構造化文書署名装置、構造化文書適応化装置及び構造化文書検証装置。 |
EP04022174A EP1517214B1 (en) | 2003-09-19 | 2004-09-17 | Structured document signature device, structured document adaptation device and structured document verification device |
DE602004016395T DE602004016395D1 (de) | 2003-09-19 | 2004-09-17 | Unterschriftsvorrichtung, Anpassungsvorrichtung und Verifikationsvorrichtung für ein strukturiertes Dokument |
CNB2004100739965A CN1272683C (zh) | 2003-09-19 | 2004-09-17 | 结构化文档签名装置、自适应装置和检验装置 |
EP06018853A EP1724658B1 (en) | 2003-09-19 | 2004-09-17 | Structured document signature device, structured document adaptation device and structured document verification device |
DE602004005117T DE602004005117T2 (de) | 2003-09-19 | 2004-09-17 | Unterschriftsvorrichtung, Anpassungsvorrichtung und Verifikationsvorrichtung für ein strukturiertes Dokument. |
US10/942,866 US7639818B2 (en) | 2003-09-19 | 2004-09-17 | Structured document signature device, structured document adaptation device and structured document verification device |
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JP2003329175A JP4460251B2 (ja) | 2003-09-19 | 2003-09-19 | 構造化文書署名装置、構造化文書適応化装置及び構造化文書検証装置。 |
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JP2010003216A Division JP5069759B2 (ja) | 2010-01-08 | 2010-01-08 | 構造化文書適応化装置 |
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JP2005094712A JP2005094712A (ja) | 2005-04-07 |
JP4460251B2 true JP4460251B2 (ja) | 2010-05-12 |
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JP2003329175A Expired - Fee Related JP4460251B2 (ja) | 2003-09-19 | 2003-09-19 | 構造化文書署名装置、構造化文書適応化装置及び構造化文書検証装置。 |
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US (1) | US7639818B2 (ja) |
EP (2) | EP1517214B1 (ja) |
JP (1) | JP4460251B2 (ja) |
CN (1) | CN1272683C (ja) |
DE (2) | DE602004005117T2 (ja) |
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KR100558765B1 (ko) * | 2002-11-14 | 2006-03-10 | 한국과학기술원 | 적응형 경로 인덱스를 이용한 xml 질의 수행 방법 |
US7370212B2 (en) * | 2003-02-25 | 2008-05-06 | Microsoft Corporation | Issuing a publisher use license off-line in a digital rights management (DRM) system |
US7515717B2 (en) * | 2003-07-31 | 2009-04-07 | International Business Machines Corporation | Security containers for document components |
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2003
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2004
- 2004-09-17 DE DE602004005117T patent/DE602004005117T2/de not_active Expired - Lifetime
- 2004-09-17 EP EP04022174A patent/EP1517214B1/en not_active Ceased
- 2004-09-17 US US10/942,866 patent/US7639818B2/en active Active
- 2004-09-17 CN CNB2004100739965A patent/CN1272683C/zh not_active Expired - Fee Related
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Also Published As
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CN1604005A (zh) | 2005-04-06 |
EP1724658B1 (en) | 2008-09-03 |
JP2005094712A (ja) | 2005-04-07 |
DE602004016395D1 (de) | 2008-10-16 |
DE602004005117D1 (de) | 2007-04-19 |
EP1724658A1 (en) | 2006-11-22 |
CN1272683C (zh) | 2006-08-30 |
EP1517214A1 (en) | 2005-03-23 |
US20050063545A1 (en) | 2005-03-24 |
DE602004005117T2 (de) | 2007-11-15 |
EP1517214B1 (en) | 2007-03-07 |
US7639818B2 (en) | 2009-12-29 |
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