JP4991035B2 - 遠隔解読サービスを備えたセキュアメッセージシステム - Google Patents
遠隔解読サービスを備えたセキュアメッセージシステム Download PDFInfo
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- H—ELECTRICITY
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- H04L63/00—Network architectures or network communication protocols for network security
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- 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
- H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
- H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
- H04L9/083—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) involving central third party, e.g. key distribution center [KDC] or trusted third party [TTP]
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- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/30—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
- H04L9/3066—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy involving algebraic varieties, e.g. elliptic or hyper-elliptic curves
- H04L9/3073—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy involving algebraic varieties, e.g. elliptic or hyper-elliptic curves involving pairings, e.g. identity based encryption [IBE], bilinear mappings or bilinear pairings, e.g. Weil or Tate pairing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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Description
本発明は暗号システムに関し、さらに具体的には、自分あてのメッセージを解読できない受信者のために、暗号化されたメッセージを解読する遠隔解読サービスを持つシステムに関する。
本発明は、メッセージを暗号化及び暗号解読するためのシステム及びこのようなシステムを使うための方法に関する。遠隔のサービス施設を使ってメッセージを暗号化及び解読することができる。
GIF1=http://proxy.corp.com/msgID=17/part=1/xmoejoap
GIF2=http://proxy.corp.com/msgID=17/part=2/ui9f0aeu
GIF3=http://proxy.corp.com/msgID=17/part=3/jf9ejfia
のように見えるようにしてもよいであろう。
Claims (18)
- 送信者の計算装置が、通信ネットワークを介して受信者の計算装置に、一フォームの暗号メッセージコンテンツを有するメッセージを送信するシステムにおいて、該受信者の計算装置にメッセージコンテンツへのアクセスを提供する方法であって、
該送信者の計算装置において、該暗号メッセージコンテンツをマークアップ言語フォーム内の非表示フォームエレメントにセットすることと、
該受信者の計算装置において、該マークアップ言語フォームの該暗号メッセージコンテンツを有する該メッセージを受信することと、
該受信者の計算装置において、該マークアップ言語フォームを使い、該通信ネットワークを介して遠隔の解読サービスに、該暗号メッセージコンテンツをアップロードすることと、
該解読サービスにおいて、該暗号メッセージコンテンツを解読し、該通信ネットワークを介して該受信者の計算装置に、該解読されたメッセージコンテンツへのアクセスを提供することと
を包含する、方法。 - 前記マークアップ言語フォームは、htmlフォームを含む、請求項1に記載の方法。
- 前記送信者の計算装置において、前記受信者の計算装置のアイデンティティベースの暗号化(IBE)による公開鍵を使って前記メッセージコンテンツを暗号化することをさらに包含する、請求項1に記載の方法。
- 前記受信者の計算装置において、前記マークアップ言語フォームを使い、前記通信ネットワークを介して前記遠隔の解読サービスに、受信者資格認定情報を提示することをさらに包含する、請求項1に記載の方法。
- 前記通信ネットワークを介して前記暗号メッセージコンテンツを前記遠隔の解読サービスにアップロードすることが、http POSTまたはGETオペレーションを使って、該暗号メッセージコンテンツを前記マークアップ言語フォームが特定する場所に送信することを包含する、請求項1に記載の方法。
- 前記マークアップ言語フォームがhtmlフォームであり、
前記方法は、前記受信者の計算装置において、該マークアップ言語フォームを開き、該マークアップ言語フォームが開かれたときにおいて、前記マークアップ言語フォーム内に、該受信者の計算装置がユーザ名およびパスワード情報を入力するために使えるフォームエレメントを表示することをさらに包含する、請求項1に記載の方法。 - 前記解読サービスを使って前記受信者の計算装置を認証することをさらに包含する、請求項1に記載の方法。
- 前記通信ネットワークを介して秘密鍵サービスから秘密鍵が提供され、前記方法は、
前記解読サービスにおいて、前記受信者の計算装置に対する秘密鍵を該秘密鍵サービスに要請することと、
該解読サービスにおいて、該通信ネットワークを介して、該秘密鍵サービスから該秘密鍵を入手することと
をさらに包含する、請求項1に記載の方法。 - 前記通信ネットワークを介して秘密鍵サービスから秘密鍵が提供され、前記方法は、
前記解読サービスを使って前記受信者の計算装置を認証することと、
該解読サービスにおいて、該受信者の計算装置が認証された後、該受信者の計算装置に対する秘密鍵を該秘密鍵サービスに要請することと、
該解読サービスにおいて、該通信ネットワークを介して、該秘密鍵サービスから該秘密鍵を入手することと、
該解読サービスにおいて、該秘密鍵を使って前記暗号メッセージコンテンツを解読することと
をさらに包含する、請求項1に記載の方法。 - 前記送信者の計算装置において、前記暗号メッセージコンテンツをメッセージアタッチメントにセットすることをさらに包含する、請求項1に記載の方法。
- 前記メッセージはメッセージ本体を持ち、前記方法は、前記送信者の計算装置において前記暗号メッセージコンテンツをアタッチメントと該メッセージ本体とにセットすることをさらに包含し、該メッセージ本体にセットされた該暗号メッセージコンテンツは、該アタッチメントの中の該暗号メッセージコンテンツの複製である、請求項1に記載の方法。
- 前記送信者の計算装置において、複数のマークアップ言語フォームを前記メッセージに添付して複数のメッセージアタッチメントを生成することをさらに包含し、該複数のメッセージアタッチメントの各々は暗号コンテンツを含む、請求項1に記載の方法。
- さらなる受信者の計算装置において、該さらなる受信者の計算装置がマークアップ言語フォームを開いた場合では、常にドキュメント処理アプリケーションを作動するようオペレーティングシステムに対し命令することと、
該さらなる受信者の計算装置に、アタッチメントとして暗号メッセージコンテンツを含んだマークアップ言語フォームを有するさらなるメッセージを送信することと、
該さらなる受信者の計算装置において、該さらなるメッセージの該アタッチメントを開くことと、
該さらなるメッセージの該アタッチメントが開かれた場合において、該ドキュメント処理アプリケーションを使って、該さらなるメッセージに添付された該マークアップ言語フォームが暗号コンテンツを含むか否かを決定することと、
該ドキュメント処理アプリケーションが、該マークアップ言語フォームは暗号コンテンツを含むと決定した場合では、該さらなる受信者の計算装置において解読エンジンを使って、該さらなる受信者の計算装置に対し該暗号メッセージコンテンツを解読することと
をさらに包含する、請求項1に記載の方法。 - 前記受信者の計算装置に、前記通信ネットワークを介して前記解読メッセージコンテンツへのアクセスを提供することが、ウエブページ中で該解読コンテンツを該受信者の計算装置に提供することを包含する、請求項1に記載の方法。
- 前記受信者の計算装置に、前記通信ネットワークを介して前記解読メッセージコンテンツへのアクセスを提供することが、該通信ネットワークを介して該解読サービスから該受信者の計算装置への該解読メッセージコンテンツのダウンロード開始を、該受信者の計算装置が選択できるというオプションをウエブページ上に表示することを包含する、請求項1に記載の方法。
- 受信者の計算装置にメッセージコンテンツへのアクセスを提供する方法であって、
送信者の計算装置において、メッセージコンテンツを暗号化することと、
該暗号化されたメッセージコンテンツを、非表示フォームエレメントとしてhtmlフォームにセットすることと、
該フォームをメッセージに添付することと、
該暗号化されたメッセージコンテンツを含んだアタッチメントを有する該メッセージを、通信ネットワークを介して受信者の計算装置に送信することと、
該受信者の計算装置において、該受信者の計算装置に対し該htmlフォームを表示することと、
該受信者の計算装置において、http POSTまたはGETオペレーションを使って、該暗号化されたメッセージコンテンツを、該非表示フォームエレメントから、該通信ネットワークを介して解読サービスへアップロードすることと、
該解読サービスにおいて、該暗号化されアップロードされたメッセージコンテンツを解読して解読メッセージコンテンツを生成することと、
該受信者の計算装置に、該通信ネットワークを介して該解読メッセージコンテンツへのアクセスを提供することと
を包含する、方法。 - 受信者の計算装置にメッセージコンテンツへのアクセスを提供する方法であって、
送信者の計算装置において、メッセージコンテンツを暗号化することと、
該送信者の計算装置から、該暗号化されたメッセージコンテンツおよびURLを含んだメッセージを、インターネットを介して受信者の計算装置に送信することと、
該受信者の計算装置において該暗号化されたメッセージコンテンツをローカルに保存することと、
該受信者の計算装置が該URLをクリックした場合において、該受信者の計算装置に対しウエブページを表示することと、
該受信者の計算装置において、該ウエブページを使って該暗号化され保存されたメッセージコンテンツをアップロードのために選択することと、
該暗号化され保存され選択されたメッセージコンテンツを、インターネットを介して遠隔の解読サービスにアップロードすることと、
該受信者の計算装置を認証することと、
該受信者の計算装置を認証した後において、秘密鍵サービスから該受信者の計算装置の秘密鍵を入手することと、
該遠隔の解読サービスにおいて、該秘密鍵を用いて該暗号化されたメッセージコンテンツを解読し、解読メッセージコンテンツを生成することと、
該受信者の計算装置に、インターネットを介して該解読メッセージコンテンツへのアクセスを提供することと
を包含する、方法。 - 受信者の計算装置にメッセージコンテンツへのアクセスを提供する方法であって、
メッセージコンテンツを暗号化することと、
送信者の計算装置において、マークアップ言語フォームを含んだメッセージ本体を有するメッセージを作成することであって、該暗号化されたメッセージコンテンツは該マークアップ言語フォームのエレメントである、ことと、
該メッセージを、該送信者の計算装置からインターネットを介して受信者の計算装置に送信することと、
該受信者の計算装置に対し該マークアップ言語フォームを表示することと、
該暗号化されたメッセージコンテンツを、該フォームエレメントから通信ネットワークを介して解読サービスにアップロードすることと、
該解読サービスにおいて、該受信者の計算装置の秘密鍵を用いて該暗号化されアップロードされたメッセージコンテンツを解読し、解読メッセージコンテンツを生成することと、
該受信者の計算装置にインターネットを介して該解読メッセージコンテンツへのアクセスを提供することと
を包含する、方法。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
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US50595403P | 2003-09-25 | 2003-09-25 | |
US60/505,954 | 2003-09-25 | ||
US10/744,851 | 2003-12-22 | ||
US10/744,851 US7266847B2 (en) | 2003-09-25 | 2003-12-22 | Secure message system with remote decryption service |
PCT/US2004/030991 WO2005032028A2 (en) | 2003-09-25 | 2004-09-22 | Secure message system with remote decryption service |
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JP2011193344A Expired - Lifetime JP5313311B2 (ja) | 2003-09-25 | 2011-09-05 | 遠隔解読サービスを備えたセキュアメッセージシステム |
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EP (1) | EP1665623B1 (ja) |
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US7921292B1 (en) | 2003-04-04 | 2011-04-05 | Voltage Security, Inc. | Secure messaging systems |
KR100974449B1 (ko) * | 2003-04-24 | 2010-08-10 | 엘지전자 주식회사 | 광디스크의 복사 방지 정보 관리방법 |
KR20040092649A (ko) * | 2003-04-24 | 2004-11-04 | 엘지전자 주식회사 | 광디스크의 복사 방지 정보 관리방법 |
US7266847B2 (en) * | 2003-09-25 | 2007-09-04 | Voltage Security, Inc. | Secure message system with remote decryption service |
US8050653B2 (en) * | 2004-03-22 | 2011-11-01 | Research In Motion Limited | System and method for viewing message attachments |
US20050235144A1 (en) * | 2004-04-14 | 2005-10-20 | Jacobs James P | Apparatus and method for computer based examinations |
CA2564920C (en) * | 2004-04-30 | 2011-04-12 | Research In Motion Limited | System and method for handling secure messages |
US7996673B2 (en) * | 2004-05-12 | 2011-08-09 | Echoworx Corporation | System, method and computer product for sending encrypted messages to recipients where the sender does not possess the credentials of the recipient |
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JP2002244884A (ja) * | 2001-02-15 | 2002-08-30 | Dainippon Printing Co Ltd | 作業依頼システム用サーバ、及び作業依頼システム |
EP1241857A1 (en) * | 2001-03-15 | 2002-09-18 | Nokia Corporation | Method for accessing files stored in a mobile terminal device supporting an internet protocol |
DE60236094D1 (de) * | 2001-08-13 | 2010-06-02 | Univ R | Systeme und Verfahren zur Verschlüsselung auf Identitätsbasis und damit zusammenhängende kryptografische Techniken |
US20030046407A1 (en) * | 2001-08-30 | 2003-03-06 | Erickson John S. | Electronic rights management |
GB0216690D0 (en) * | 2002-07-18 | 2002-08-28 | Hewlett Packard Co | Method and appatatus for encrypting data |
US7526114B2 (en) * | 2002-11-15 | 2009-04-28 | Bioarray Solutions Ltd. | Analysis, secure access to, and transmission of array images |
US7266847B2 (en) * | 2003-09-25 | 2007-09-04 | Voltage Security, Inc. | Secure message system with remote decryption service |
-
2003
- 2003-12-22 US US10/744,851 patent/US7266847B2/en active Active
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2004
- 2004-09-22 JP JP2006528121A patent/JP4991035B2/ja not_active Expired - Fee Related
- 2004-09-22 EP EP04784734.8A patent/EP1665623B1/en not_active Expired - Lifetime
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- 2007-07-30 US US11/888,290 patent/US7698745B2/en active Active
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Also Published As
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US20100161984A1 (en) | 2010-06-24 |
JP2007507175A (ja) | 2007-03-22 |
EP1665623B1 (en) | 2016-12-14 |
EP1665623A4 (en) | 2009-01-14 |
WO2005032028A3 (en) | 2006-02-16 |
JP2012010398A (ja) | 2012-01-12 |
EP1665623A2 (en) | 2006-06-07 |
US20080049937A1 (en) | 2008-02-28 |
US7698745B2 (en) | 2010-04-13 |
JP5313311B2 (ja) | 2013-10-09 |
US20050071632A1 (en) | 2005-03-31 |
US7266847B2 (en) | 2007-09-04 |
US8171563B2 (en) | 2012-05-01 |
WO2005032028A2 (en) | 2005-04-07 |
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