JP4101761B2 - 仮想トークンの物理トークンへの接続 - Google Patents
仮想トークンの物理トークンへの接続 Download PDFInfo
- Publication number
- JP4101761B2 JP4101761B2 JP2003553386A JP2003553386A JP4101761B2 JP 4101761 B2 JP4101761 B2 JP 4101761B2 JP 2003553386 A JP2003553386 A JP 2003553386A JP 2003553386 A JP2003553386 A JP 2003553386A JP 4101761 B2 JP4101761 B2 JP 4101761B2
- Authority
- JP
- Japan
- Prior art keywords
- computer device
- token
- authentication message
- computer
- virtual
- 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
Links
Images
Classifications
-
- 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
- G06F21/50—Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems
- G06F21/57—Certifying or maintaining trusted computer platforms, e.g. secure boots or power-downs, version controls, system software checks, secure updates or assessing vulnerabilities
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Software Systems (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Storage Device Security (AREA)
Description
既存のソフトウェアベースのセキュリティ・サービスは、コンピュータ装置又はプラットフォームが信頼できるものであることを暗に前提としている。それらは、それらが安全な環境で実行されることを前提として、アプリケーション・レベルのセキュリティを提供する。この前提は、既存のビジネス・モデルに必要なセキュリティ・レベルを正当化するのに十分正しいが、最新のセキュリティ機能は、既に、ハードウェア・サポートを追加せずに可能な最高の保護レベルを提供している。
以下の詳細な説明においては、本発明の完全な理解を提供するために、多くの具体的なディテールが記載される。しかし、本発明は、これら具体的ディテール無しでも実現できる。他の例として、良く知られた方法、手順、構成要素、及び回路は、本発明が目立たなくならないように、詳細には記載されない。さらに、サイズ/モデル/値/レンジが例示されるが、本発明はこれら具体例に限定されない。
TPM_VirtualTPMCredential(SigH,MQuote,CertM1,H2,AllPCRQuote)
ここで、サインされたハッシュSigHは入力パラメータであり、パラメータMQuote、CertM1、H2、及び、AllPCRQuoteは物理トークン150によって提供される出力パラメータである。
CertM1=(Format1,H1,H2)CAPub
これは、認証メッセージCertM1が公開鍵CAPubによって暗号化されたハッシュH1及びハッシュH2を有することを示す。フォーマット・パラメータFormat1は、物理トークン150によって作成された認証メッセージCertM1としてメッセージを識別する「PT_CertM1」などの所定のASCII文字列を有する。公開鍵CAPubは、モニタ310のリクエストによって提供された又は物理トークン150に以前に提供された選択された認証局195の公開鍵に対応する。
CredP1=(EDS1,CredM1・CAPub)
これは、信任状リクエスト・パッケージCredP1が選択された認証局195の公開鍵CAPubを用いて暗号化された信任状リクエスト・メッセージCredM1と、公開鍵CAPubで暗号化されていない暗号化されたデータセットEDS1とを有することを示す。
CredM1=(Format2,H2,H3,S1)CAPub
これは、信任状リクエスト・メッセージCredM1が、フォーマット・パラメータFormat2と、物理トークン150によって提供されるハッシュH2と、別のハッシュH3と、選択された認証局195の公開鍵CAPubで暗号化されたセッション鍵S1とを有することを示す。
Claims (31)
- コンピュータ装置が、該コンピュータ装置の仮想トークンに関連付けられた公開鍵と、前記コンピュータ装置の物理トークンとを認証する工程と、
前記コンピュータ装置が、前記物理トークンによって生成された認証メッセージを受信する工程と、
前記コンピュータ装置が、前記認証メッセージに基づいて、前記公開鍵に対する信任状の発行を、通信ネットワークを介して前記コンピュータ装置と接続された別のコンピュータ装置にリクエストする工程と、を有することを特徴とする方法。 - 請求項1記載の方法であって、
前記認証メッセージは、
前記別のコンピュータ装置の公開鍵によって暗号化され、
前記仮想トークンに関連する公開鍵及び前記物理トークンに対して発行された信任状の双方のハッシュを有する、ことを特徴とする方法。 - 請求項2記載の方法であって、
前記リクエスト工程において、前記コンピュータ装置は、前記認証メッセージ、前記仮想トークンに関連する公開鍵、及び、前記物理トークンに対して発行された信任状、を前記別のコンピュータ装置へ送信する、ことを特徴とする方法。 - 請求項3記載の方法であって、
前記リクエスト工程において、前記コンピュータ装置は、更に、前記物理トークンからの1以上の整合性メトリック引用と、これら整合性メトリック引用に関連する1以上のログとを前記別のコンピュータ装置へ送信する、ことを特徴とする方法。 - 請求項1記載の方法であって、
前記コンピュータ装置が、対称暗号化アルゴリズムのセッション鍵を用いて1以上の整合性メトリック引用を暗号化して第一の暗号化されたパラメータを得る工程と、
前記コンピュータ装置が、前記認証メッセージ及び前記セッション鍵を前記別のコンピュータ装置に関連する公開鍵を用いて暗号化して第二の暗号化されたパラメータを得る工程とを更に有し、
前記リクエスト工程において、前記コンピュータ装置は、前記第一の暗号化されたパラメータ及び前記第二の暗号化されたパラメータを前記別のコンピュータ装置へ送信する、ことを特徴とする方法。 - 請求項1記載の方法であって、
前記認証メッセージは、
前記別のコンピュータ装置の公開鍵で暗号化され、
前記仮想トークンに関連する公開鍵と、前記物理トークンに対して発行された信任状とを認証するハッシュを有する、ことを特徴とする方法。 - 請求項1記載の方法であって、
前記認証メッセージは、
前記別のコンピュータ装置の公開鍵で暗号化され、
前記仮想トークンに関連する公開鍵と、前記物理トークンに対して発行された信任状とを有する、ことを特徴とする方法。 - コンピュータ装置用の物理トークンであって、
前記コンピュータ装置の仮想トークンを測定する整合性メトリックを記録するレジスタと、
乱数と認証メッセージとを生成する1以上の処理ユニットとを有し、
前記認証メッセージは、
前記レジスタを指定し、
通信ネットワークを介して前記コンピュータ装置と接続された1つの別のコンピュータ装置の鍵で暗号化され、
前記乱数に基づいてユニークさを有する、ことを特徴とする物理トークン。 - 請求項8記載の物理トークンであって、
前記1以上の処理ユニットは、前記認証メッセージが前記仮想トークンに関連する鍵及び前記物理トークンに対して発行された信任状を識別するハッシュを更に有するように、前記認証メッセージを生成する、ことを特徴とする物理トークン。 - 請求項8記載の物理トークンであって、
前記1以上の処理ユニットは、前記認証メッセージが前記仮想トークンに関連する鍵及び前記物理トークンに対して発行された信任状を識別するように、前記認証メッセージを生成する、ことを特徴とする物理トークン。 - 請求項8記載の物理トークンであって、
前記整合性メトリックは、前記仮想トークンを有する仮想マシン・モニタのハッシュを有する、ことを特徴とする物理トークン。 - 請求項8記載の物理トークンであって、
前記認証メッセージは、前記仮想トークン、前記物理トークンに対して発行された前記信任状、及び、前記レジスタを指定するインデックスに関連する鍵を認証する1以上のハッシュを有する、ことを特徴とする物理トークン。 - コンピュータ装置であって、
整合性メトリックを記録する仮想トークンと、
前記仮想トークンを測定する整合性メトリックを記録し、認証メッセージを生成する物理トークンと、
プロセッサとを有し、
前記認証メッセージは、
前記整合性メトリックを認証し、
通信ネットワークを介して前記コンピュータ装置と接続された別のコンピュータ装置の非対称鍵で暗号化され、
ユニークさを持ち、
前記プロセッサは、前記別のコンピュータ装置に、前記認証メッセージに基づいて前記仮想トークンに関連する非対称鍵についての信任状の発行をリクエストする、ことを特徴とするコンピュータ装置。 - 請求項13記載のコンピュータ装置であって、
前記物理トークンは、前記認証メッセージが前記仮想トークンに関連する前記非対称鍵及び前記物理トークンに対して発行された信任状を識別するように、前記認証メッセージを生成し、
前記プロセッサは、前記認証メッセージ、前記仮想トークンに関連する前記非対称鍵、及び、前記物理トークンに対して発行された前記信任状、を前記別のコンピュータ装置へ送信する、ことを特徴とするコンピュータ装置。 - 請求項14記載のコンピュータ装置であって、
前記プロセッサは、更に、前記物理トークンからの1以上の整合性メトリック引用と、これら整合性メトリックに関連する1以上のログとを前記別のコンピュータ装置へ送信する、ことを特徴とするコンピュータ装置。 - 請求項13記載のコンピュータ装置であって、
前記プロセッサは、
前記別のコンピュータ装置の前記非対称鍵で暗号化された対称鍵を該別のコンピュータ装置へ送信し、
前記対称鍵で暗号化された前記認証メッセージ、前記仮想トークンに関連する前記非対称鍵、及び前記物理トークンに対して発行された前記信任状を前記別のコンピュータ装置へ送信する、ことを特徴とするコンピュータ装置。 - コンピュータ装置であって、
物理トークンと、
仮想マシン・モニタとを有し、
前記物理トークンは、
前記コンピュータ装置のオペレーティング環境と前記物理トークンに対して発行され た信任状とを認証する認証メッセージを生成し、
前記仮想マシン・モニタは、
前記オペレーティング環境を認証する仮想トークンを有し、
前記物理トークンに前記認証メッセージの提供をリクエストし、
通信ネットワークを介して前記コンピュータ装置と接続された別のコンピュータ装置へ前記認証メッセージを転送し、
前記認証メッセージが前記別のコンピュータ装置へ転送されると前記仮想トークンについての信任状を受信する、ことを特徴とするコンピュータ装置。 - 請求項17記載のコンピュータ装置であって、
前記物理トークンは、前記認証メッセージが前記仮想トークンに関連する公開鍵と前記物理トークンに対して発行された前記信任状とを識別する1以上のハッシュを更に有するように、前記認証メッセージを生成する、ことを特徴とするコンピュータ装置。 - 請求項17記載のコンピュータ装置であって、
前記物理トークンは、前記認証メッセージが前記仮想トークンに関連する公開鍵と前記物理トークンに対して発行された前記信任状とを更に有するように、前記認証メッセージを生成する、ことを特徴とするコンピュータ装置。 - 請求項17記載のコンピュータ装置であって、
前記物理トークンは、前記認証メッセージを、前記仮想マシン・モニタを表す整合性メトリックを含むように生成する、ことを特徴とするコンピュータ装置。 - 請求項17記載のコンピュータ装置であって、
前記物理トークン及び仮想トークンは、記録された整合性メトリックの引用を提供することによって前記オペレーティング環境を認証し、
前記仮想マシン・モニタは、更に、前記別のコンピュータ装置に記録された整合性メトリックの1以上の引用を提供する、ことを特徴とするコンピュータ装置。 - コンピュータ装置が、通信ネットワークを介して該コンピュータ装置と接続された別のコンピュータ装置の仮想トークンに対して発行される信任状に対するリクエストを受信する工程と、
前記コンピュータ装置が、前記リクエストの情報に基づいて前記仮想トークンが適切な仮想トークンについての基準を満たすか否かを判断する工程と、
前記仮想トークンが前記基準を満たしたときに、前記コンピュータ装置が、前記別のコンピュータ装置の前記仮想トークンに前記信任状を発行する工程と、を有することを特徴とする方法。 - 請求項22記載の方法であって、
前記判断工程において、前記コンピュータ装置は、前記別のコンピュータ装置の物理トークンに対して発行された、前記リクエストによって提供された信任状を分析する、ことを特徴とする方法。 - 請求項23記載の方法であって、
前記判断工程において、前記コンピュータ装置は、前記別のコンピュータ装置の前記仮想トークンを表す整合性メトリックを分析する、ことを特徴とする方法。 - 請求項24記載の方法であって、
前記判断工程において、前記コンピュータ装置は、前記仮想トークンを有するモニタのハッシュに基づいた整合性メトリックを分析する、ことを特徴とする方法。 - コンピュータ装置によって実行されたときに、該コンピュータ装置を、
前記コンピュータ装置の物理トークン及び前記コンピュータ装置のオペレーティング環境を認証する認証メッセージを生成する手段、及び、
前記認証メッセージに基づいて、通信ネットワークを介して前記コンピュータ装置と接続された別のコンピュータ装置に、前記コンピュータ装置の仮想トークンに対する信任状の発行をリクエストする手段、として機能させることを特徴とするコンピュータ・プログラム。 - 請求項26記載のコンピュータ・プログラムであって、
前記コンピュータ装置によって実行され、該コンピュータ装置を前記認証メッセージを生成する手段として機能させるとき、前記コンピュータ装置に、前記認証メッセージが前記仮想トークンに関連する公開鍵を認証するハッシュを有するように、前記認証メッセージを生成させる、ことを特徴とするコンピュータ・プログラム。 - 請求項27記載のコンピュータ・プログラムであって、
前記コンピュータ装置によって実行され、該コンピュータ装置を前記認証メッセージを生成する手段として機能させるとき、前記コンピュータ装置に、前記認証メッセージが前記別のコンピュータ装置の公開鍵で暗号化され、前記ハッシュが更に前記物理トークンに対して発行された信任状を認証するように、前記認証メッセージを生成させる、ことを特徴とするコンピュータ・プログラム。 - 請求項28記載のコンピュータ・プログラムであって、
前記コンピュータ装置によって実行されたときに、該コンピュータ装置を、更に、
前記仮想トークンに関する前記公開鍵と前記物理トークンに関連する前記信任状とを前記別のコンピュータ装置へ送信する手段、として機能させることを特徴とするコンピュータ・プログラム。 - 請求項26記載のコンピュータ・プログラムであって、
前記コンピュータ装置によって実行され、該コンピュータ装置を前記認証メッセージを生成する手段として機能させるとき、前記コンピュータ装置に、前記認証メッセージが、前記別のコンピュータ装置の公開鍵で暗号化され、前記仮想トークンに関連する公開鍵と前記物理トークンに関連する前記信任状とを認証する1以上のハッシュを有するように、前記認証メッセージを生成させるとともに、
前記コンピュータ装置によって実行されたときに、該コンピュータ装置を、更に、
前記仮想トークンに関連する前記公開鍵、前記物理トークンに関連する前記信任状、前記認証メッセージ、前記物理トークンに記録された整合性メトリックの引用、及び、該整合性メトリックに関連するログ、をセッション鍵で暗号して第一のパラメータを取得する手段、
前記セッション鍵を前記別のコンピュータ装置の前記公開鍵で暗号化して第二のパラメータを取得する手段、及び、
前記リクエストの際に前記第一のパラメータ及び前記第二のパラメータを前記別のコンピュータ装置へ送信する手段、として機能させる、ことを特徴とするコンピュータ・プログラム。 - 請求項26乃至30のいずれか一項記載のコンピュータ・プログラムを記録したコンピュータ読み取り可能記録媒体。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/028,894 US7103771B2 (en) | 2001-12-17 | 2001-12-17 | Connecting a virtual token to a physical token |
| PCT/US2002/037754 WO2003052565A1 (en) | 2001-12-17 | 2002-11-22 | Connectinmg a virtual token to a physical token |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2005513605A JP2005513605A (ja) | 2005-05-12 |
| JP4101761B2 true JP4101761B2 (ja) | 2008-06-18 |
Family
ID=21846096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003553386A Expired - Fee Related JP4101761B2 (ja) | 2001-12-17 | 2002-11-22 | 仮想トークンの物理トークンへの接続 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US7103771B2 (ja) |
| EP (1) | EP1456731A1 (ja) |
| JP (1) | JP4101761B2 (ja) |
| CN (1) | CN100335985C (ja) |
| AU (1) | AU2002352907A1 (ja) |
| TW (1) | TWI232664B (ja) |
| WO (1) | WO2003052565A1 (ja) |
Families Citing this family (137)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7194092B1 (en) * | 1998-10-26 | 2007-03-20 | Microsoft Corporation | Key-based secure storage |
| US7174457B1 (en) | 1999-03-10 | 2007-02-06 | Microsoft Corporation | System and method for authenticating an operating system to a central processing unit, providing the CPU/OS with secure storage, and authenticating the CPU/OS to a third party |
| US7085931B1 (en) * | 1999-09-03 | 2006-08-01 | Secure Computing Corporation | Virtual smart card system and method |
| CA2395498C (en) * | 1999-12-24 | 2013-08-27 | Telstra New Wave Pty Ltd | A virtual token |
| US6934817B2 (en) | 2000-03-31 | 2005-08-23 | Intel Corporation | Controlling access to multiple memory zones in an isolated execution environment |
| US7013484B1 (en) | 2000-03-31 | 2006-03-14 | Intel Corporation | Managing a secure environment using a chipset in isolated execution mode |
| US6976162B1 (en) | 2000-06-28 | 2005-12-13 | Intel Corporation | Platform and method for establishing provable identities while maintaining privacy |
| US7818808B1 (en) | 2000-12-27 | 2010-10-19 | Intel Corporation | Processor mode for limiting the operation of guest software running on a virtual machine supported by a virtual machine monitor |
| US7225441B2 (en) | 2000-12-27 | 2007-05-29 | Intel Corporation | Mechanism for providing power management through virtualization |
| US7035963B2 (en) * | 2000-12-27 | 2006-04-25 | Intel Corporation | Method for resolving address space conflicts between a virtual machine monitor and a guest operating system |
| US6907600B2 (en) | 2000-12-27 | 2005-06-14 | Intel Corporation | Virtual translation lookaside buffer |
| US7272831B2 (en) | 2001-03-30 | 2007-09-18 | Intel Corporation | Method and apparatus for constructing host processor soft devices independent of the host processor operating system |
| US7191440B2 (en) | 2001-08-15 | 2007-03-13 | Intel Corporation | Tracking operating system process and thread execution and virtual machine execution in hardware or in a virtual machine monitor |
| US7024555B2 (en) | 2001-11-01 | 2006-04-04 | Intel Corporation | Apparatus and method for unilaterally loading a secure operating system within a multiprocessor environment |
| US7480806B2 (en) * | 2002-02-22 | 2009-01-20 | Intel Corporation | Multi-token seal and unseal |
| US7631196B2 (en) | 2002-02-25 | 2009-12-08 | Intel Corporation | Method and apparatus for loading a trustable operating system |
| US7069442B2 (en) | 2002-03-29 | 2006-06-27 | Intel Corporation | System and method for execution of a secured environment initialization instruction |
| US7028149B2 (en) | 2002-03-29 | 2006-04-11 | Intel Corporation | System and method for resetting a platform configuration register |
| US7058807B2 (en) | 2002-04-15 | 2006-06-06 | Intel Corporation | Validation of inclusion of a platform within a data center |
| US7076669B2 (en) | 2002-04-15 | 2006-07-11 | Intel Corporation | Method and apparatus for communicating securely with a token |
| US7127548B2 (en) * | 2002-04-16 | 2006-10-24 | Intel Corporation | Control register access virtualization performance improvement in the virtual-machine architecture |
| US7487365B2 (en) * | 2002-04-17 | 2009-02-03 | Microsoft Corporation | Saving and retrieving data based on symmetric key encryption |
| US7890771B2 (en) | 2002-04-17 | 2011-02-15 | Microsoft Corporation | Saving and retrieving data based on public key encryption |
| US7139890B2 (en) * | 2002-04-30 | 2006-11-21 | Intel Corporation | Methods and arrangements to interface memory |
| US7142674B2 (en) * | 2002-06-18 | 2006-11-28 | Intel Corporation | Method of confirming a secure key exchange |
| US7392415B2 (en) | 2002-06-26 | 2008-06-24 | Intel Corporation | Sleep protection |
| US6996748B2 (en) * | 2002-06-29 | 2006-02-07 | Intel Corporation | Handling faults associated with operation of guest software in the virtual-machine architecture |
| US7124327B2 (en) * | 2002-06-29 | 2006-10-17 | Intel Corporation | Control over faults occurring during the operation of guest software in the virtual-machine architecture |
| US7296267B2 (en) | 2002-07-12 | 2007-11-13 | Intel Corporation | System and method for binding virtual machines to hardware contexts |
| US7165181B2 (en) * | 2002-11-27 | 2007-01-16 | Intel Corporation | System and method for establishing trust without revealing identity |
| US20040117532A1 (en) * | 2002-12-11 | 2004-06-17 | Bennett Steven M. | Mechanism for controlling external interrupts in a virtual machine system |
| US7073042B2 (en) * | 2002-12-12 | 2006-07-04 | Intel Corporation | Reclaiming existing fields in address translation data structures to extend control over memory accesses |
| US7318235B2 (en) * | 2002-12-16 | 2008-01-08 | Intel Corporation | Attestation using both fixed token and portable token |
| US20040128345A1 (en) * | 2002-12-27 | 2004-07-01 | Robinson Scott H. | Dynamic service registry |
| US7900017B2 (en) | 2002-12-27 | 2011-03-01 | Intel Corporation | Mechanism for remapping post virtual machine memory pages |
| US7076802B2 (en) | 2002-12-31 | 2006-07-11 | Intel Corporation | Trusted system clock |
| US20050039016A1 (en) * | 2003-08-12 | 2005-02-17 | Selim Aissi | Method for using trusted, hardware-based identity credentials in runtime package signature to secure mobile communications and high-value transaction execution |
| US20050044408A1 (en) * | 2003-08-18 | 2005-02-24 | Bajikar Sundeep M. | Low pin count docking architecture for a trusted platform |
| US8079034B2 (en) | 2003-09-15 | 2011-12-13 | Intel Corporation | Optimizing processor-managed resources based on the behavior of a virtual machine monitor |
| US7287197B2 (en) * | 2003-09-15 | 2007-10-23 | Intel Corporation | Vectoring an interrupt or exception upon resuming operation of a virtual machine |
| US7424709B2 (en) * | 2003-09-15 | 2008-09-09 | Intel Corporation | Use of multiple virtual machine monitors to handle privileged events |
| US7739521B2 (en) * | 2003-09-18 | 2010-06-15 | Intel Corporation | Method of obscuring cryptographic computations |
| US7610611B2 (en) * | 2003-09-19 | 2009-10-27 | Moran Douglas R | Prioritized address decoder |
| US7366305B2 (en) | 2003-09-30 | 2008-04-29 | Intel Corporation | Platform and method for establishing trust without revealing identity |
| US7237051B2 (en) * | 2003-09-30 | 2007-06-26 | Intel Corporation | Mechanism to control hardware interrupt acknowledgement in a virtual machine system |
| US7177967B2 (en) | 2003-09-30 | 2007-02-13 | Intel Corporation | Chipset support for managing hardware interrupts in a virtual machine system |
| US7636844B2 (en) | 2003-11-17 | 2009-12-22 | Intel Corporation | Method and system to provide a trusted channel within a computer system for a SIM device |
| US20050108534A1 (en) * | 2003-11-19 | 2005-05-19 | Bajikar Sundeep M. | Providing services to an open platform implementing subscriber identity module (SIM) capabilities |
| US8156343B2 (en) | 2003-11-26 | 2012-04-10 | Intel Corporation | Accessing private data about the state of a data processing machine from storage that is publicly accessible |
| JP4064914B2 (ja) | 2003-12-02 | 2008-03-19 | インターナショナル・ビジネス・マシーンズ・コーポレーション | 情報処理装置、サーバ装置、情報処理装置のための方法、サーバ装置のための方法および装置実行可能なプログラム |
| US20050133582A1 (en) * | 2003-12-22 | 2005-06-23 | Bajikar Sundeep M. | Method and apparatus for providing a trusted time stamp in an open platform |
| US8037314B2 (en) | 2003-12-22 | 2011-10-11 | Intel Corporation | Replacing blinded authentication authority |
| US7587607B2 (en) * | 2003-12-22 | 2009-09-08 | Intel Corporation | Attesting to platform configuration |
| US7421588B2 (en) * | 2003-12-30 | 2008-09-02 | Lenovo Pte Ltd | Apparatus, system, and method for sealing a data repository to a trusted computing platform |
| US7751568B2 (en) * | 2003-12-31 | 2010-07-06 | International Business Machines Corporation | Method for securely creating an endorsement certificate utilizing signing key pairs |
| US8495361B2 (en) * | 2003-12-31 | 2013-07-23 | International Business Machines Corporation | Securely creating an endorsement certificate in an insecure environment |
| US20050152539A1 (en) * | 2004-01-12 | 2005-07-14 | Brickell Ernie F. | Method of protecting cryptographic operations from side channel attacks |
| US7502793B2 (en) * | 2004-02-10 | 2009-03-10 | International Business Machines Corporation | Method and apparatus for assigning roles to devices using physical tokens |
| US7802085B2 (en) | 2004-02-18 | 2010-09-21 | Intel Corporation | Apparatus and method for distributing private keys to an entity with minimal secret, unique information |
| US7356735B2 (en) * | 2004-03-30 | 2008-04-08 | Intel Corporation | Providing support for single stepping a virtual machine in a virtual machine environment |
| US7620949B2 (en) * | 2004-03-31 | 2009-11-17 | Intel Corporation | Method and apparatus for facilitating recognition of an open event window during operation of guest software in a virtual machine environment |
| US7664965B2 (en) * | 2004-04-29 | 2010-02-16 | International Business Machines Corporation | Method and system for bootstrapping a trusted server having redundant trusted platform modules |
| US7490070B2 (en) | 2004-06-10 | 2009-02-10 | Intel Corporation | Apparatus and method for proving the denial of a direct proof signature |
| US7590867B2 (en) * | 2004-06-24 | 2009-09-15 | Intel Corporation | Method and apparatus for providing secure virtualization of a trusted platform module |
| US20050288056A1 (en) * | 2004-06-29 | 2005-12-29 | Bajikar Sundeep M | System including a wireless wide area network (WWAN) module with an external identity module reader and approach for certifying the WWAN module |
| US20060005009A1 (en) * | 2004-06-30 | 2006-01-05 | International Business Machines Corporation | Method, system and program product for verifying an attribute of a computing device |
| US7305592B2 (en) | 2004-06-30 | 2007-12-04 | Intel Corporation | Support for nested fault in a virtual machine environment |
| US7840962B2 (en) | 2004-09-30 | 2010-11-23 | Intel Corporation | System and method for controlling switching between VMM and VM using enabling value of VMM timer indicator and VMM timer value having a specified time |
| US7099477B2 (en) * | 2004-10-21 | 2006-08-29 | International Business Machines Corporation | Method and system for backup and restore of a context encryption key for a trusted device within a secured processing system |
| US7143287B2 (en) * | 2004-10-21 | 2006-11-28 | International Business Machines Corporation | Method and system for verifying binding of an initial trusted device to a secured processing system |
| US8146078B2 (en) | 2004-10-29 | 2012-03-27 | Intel Corporation | Timer offsetting mechanism in a virtual machine environment |
| US9450966B2 (en) * | 2004-11-29 | 2016-09-20 | Kip Sign P1 Lp | Method and apparatus for lifecycle integrity verification of virtual machines |
| US8924728B2 (en) | 2004-11-30 | 2014-12-30 | Intel Corporation | Apparatus and method for establishing a secure session with a device without exposing privacy-sensitive information |
| KR20060066628A (ko) * | 2004-12-13 | 2006-06-16 | 엘지전자 주식회사 | 기록매체에 수록된 콘텐트를 보호하는 방법 및 그보호방법이 적용된 콘텐트를 수록하고 있는 기록매체 |
| US8533777B2 (en) | 2004-12-29 | 2013-09-10 | Intel Corporation | Mechanism to determine trust of out-of-band management agents |
| US8280046B2 (en) * | 2005-09-12 | 2012-10-02 | Interdigital Technology Corporation | Method and system for deriving an encryption key using joint randomness not shared by others |
| CN101288260A (zh) | 2005-01-27 | 2008-10-15 | 美商内数位科技公司 | 使用未由他人分享联合随机衍生秘钥方法及系统 |
| US7395405B2 (en) | 2005-01-28 | 2008-07-01 | Intel Corporation | Method and apparatus for supporting address translation in a virtual machine environment |
| US7707629B2 (en) * | 2005-03-31 | 2010-04-27 | Intel Corporation | Platform configuration register virtualization apparatus, systems, and methods |
| US20070056033A1 (en) * | 2005-03-31 | 2007-03-08 | Grawrock David W | Platform configuration apparatus, systems, and methods |
| US7636442B2 (en) * | 2005-05-13 | 2009-12-22 | Intel Corporation | Method and apparatus for migrating software-based security coprocessors |
| US7587595B2 (en) * | 2005-05-13 | 2009-09-08 | Intel Corporation | Method and apparatus for providing software-based security coprocessors |
| US7613921B2 (en) | 2005-05-13 | 2009-11-03 | Intel Corporation | Method and apparatus for remotely provisioning software-based security coprocessors |
| US7571312B2 (en) * | 2005-05-13 | 2009-08-04 | Intel Corporation | Methods and apparatus for generating endorsement credentials for software-based security coprocessors |
| US8074262B2 (en) | 2005-05-13 | 2011-12-06 | Intel Corporation | Method and apparatus for migrating virtual trusted platform modules |
| US20070036353A1 (en) * | 2005-05-31 | 2007-02-15 | Interdigital Technology Corporation | Authentication and encryption methods using shared secret randomness in a joint channel |
| US20060294380A1 (en) * | 2005-06-28 | 2006-12-28 | Selim Aissi | Mechanism to evaluate a token enabled computer system |
| US8806224B2 (en) * | 2005-06-28 | 2014-08-12 | Intel Corporation | Low cost trusted platform |
| US8549592B2 (en) * | 2005-07-12 | 2013-10-01 | International Business Machines Corporation | Establishing virtual endorsement credentials for dynamically generated endorsement keys in a trusted computing platform |
| US7809957B2 (en) | 2005-09-29 | 2010-10-05 | Intel Corporation | Trusted platform module for generating sealed data |
| US8001584B2 (en) * | 2005-09-30 | 2011-08-16 | Intel Corporation | Method for secure device discovery and introduction |
| US9177153B1 (en) * | 2005-10-07 | 2015-11-03 | Carnegie Mellon University | Verifying integrity and guaranteeing execution of code on untrusted computer platform |
| US20070204166A1 (en) * | 2006-01-04 | 2007-08-30 | Tome Agustin J | Trusted host platform |
| US8014530B2 (en) | 2006-03-22 | 2011-09-06 | Intel Corporation | Method and apparatus for authenticated, recoverable key distribution with no database secrets |
| US8973094B2 (en) * | 2006-05-26 | 2015-03-03 | Intel Corporation | Execution of a secured environment initialization instruction on a point-to-point interconnect system |
| US8108668B2 (en) | 2006-06-26 | 2012-01-31 | Intel Corporation | Associating a multi-context trusted platform module with distributed platforms |
| DE102006037473A1 (de) | 2006-08-10 | 2008-02-14 | Giesecke & Devrient Gmbh | Bereitstellen einer Funktion eines Sicherheitstokens |
| US8015408B2 (en) * | 2006-09-14 | 2011-09-06 | Interdigital Technology Corporation | Trust evaluation for a mobile software agent on a trusted computing platform |
| WO2008046101A2 (en) | 2006-10-13 | 2008-04-17 | Ariel Silverstone | Client authentication and data management system |
| US8935771B2 (en) * | 2006-11-06 | 2015-01-13 | Safenet, Inc. | System, method, and computer security device having virtual memory cells |
| US20080120712A1 (en) * | 2006-11-21 | 2008-05-22 | Telos Corporation | Method and system for remote security token extension |
| US9280659B2 (en) | 2006-12-29 | 2016-03-08 | Intel Corporation | Methods and apparatus for remeasuring a virtual machine monitor |
| US7984483B2 (en) | 2007-04-25 | 2011-07-19 | Acxess, Inc. | System and method for working in a virtualized computing environment through secure access |
| JP5242091B2 (ja) * | 2007-07-05 | 2013-07-24 | 株式会社東芝 | 携帯可能電子装置、icカード、および、携帯可能電子装置の制御方法 |
| US8060876B2 (en) * | 2007-08-10 | 2011-11-15 | Intel Corporation | Methods and apparatus for creating an isolated partition for a virtual trusted platform module |
| US20110145592A1 (en) * | 2007-08-13 | 2011-06-16 | Safenet Data Security (Israel) Ltd. | Virtual Token for Transparently Self-Installing Security Environment |
| US8064605B2 (en) * | 2007-09-27 | 2011-11-22 | Intel Corporation | Methods and apparatus for providing upgradeable key bindings for trusted platform modules |
| US8249257B2 (en) | 2007-09-28 | 2012-08-21 | Intel Corporation | Virtual TPM keys rooted in a hardware TPM |
| US8584229B2 (en) * | 2007-12-21 | 2013-11-12 | Intel Corporation | Methods and apparatus supporting access to physical and virtual trusted platform modules |
| US8042190B2 (en) * | 2007-12-31 | 2011-10-18 | Intel Corporation | Pre-boot protected memory channel |
| US8032942B2 (en) * | 2007-12-31 | 2011-10-04 | Intel Corporation | Configuration of virtual trusted platform module |
| US8151099B2 (en) * | 2008-07-01 | 2012-04-03 | Caterpillar Inc. | Virtualized service tool and virtualized control tool |
| EP2399217B1 (en) * | 2009-02-18 | 2018-05-30 | Panasonic Intellectual Property Management Co., Ltd. | Information processing device and information processing method |
| CN101552676B (zh) * | 2009-05-06 | 2012-12-05 | 阿里巴巴集团控股有限公司 | 插件模块验证宿主模块合法性的方法、系统及设备 |
| CN101599025B (zh) * | 2009-07-07 | 2012-07-18 | 武汉大学 | 可信密码模块安全虚拟化方法 |
| US9495190B2 (en) | 2009-08-24 | 2016-11-15 | Microsoft Technology Licensing, Llc | Entropy pools for virtual machines |
| US8281372B1 (en) * | 2009-12-18 | 2012-10-02 | Joel Vidal | Device, system, and method of accessing electronic mail |
| EP2537115B1 (en) * | 2010-02-16 | 2015-05-13 | Nokia Technologies OY | Method and apparatus to reset platform configuration register in mobile trusted module |
| US9087196B2 (en) * | 2010-12-24 | 2015-07-21 | Intel Corporation | Secure application attestation using dynamic measurement kernels |
| RU2472215C1 (ru) | 2011-12-28 | 2013-01-10 | Закрытое акционерное общество "Лаборатория Касперского" | Способ выявления неизвестных программ с использованием эмуляции процесса загрузки |
| US8782768B2 (en) * | 2012-06-15 | 2014-07-15 | Vmware, Inc. | Systems and methods for accessing a virtual desktop |
| EP3869332B1 (en) | 2013-03-06 | 2023-04-12 | INTEL Corporation | Roots-of-trust for measurement of virtual machines |
| DE102013205166A1 (de) * | 2013-03-22 | 2014-09-25 | Robert Bosch Gmbh | Verfahren zum Erzeugen einer Einwegfunktion |
| US9124569B2 (en) * | 2013-06-14 | 2015-09-01 | Microsoft Technology Licensing, Llc | User authentication in a cloud environment |
| CN106797311B (zh) | 2014-08-29 | 2020-07-14 | 维萨国际服务协会 | 用于安全密码生成的系统、方法和存储介质 |
| US10461933B2 (en) | 2015-01-27 | 2019-10-29 | Visa International Service Association | Methods for secure credential provisioning |
| US10200359B1 (en) * | 2015-06-30 | 2019-02-05 | Symantec Corporation | Systems and methods for creating credential vaults that use multi-factor authentication to automatically authenticate users to online services |
| US10790978B2 (en) | 2016-05-25 | 2020-09-29 | Intel Corporation | Technologies for collective authorization with hierarchical group keys |
| EP3466032B1 (en) | 2016-06-07 | 2021-10-27 | Visa International Service Association | Multi-level communication encryption |
| KR102510868B1 (ko) * | 2016-07-07 | 2023-03-16 | 삼성에스디에스 주식회사 | 클라이언트 시스템 인증 방법, 클라이언트 장치 및 인증 서버 |
| CN106970829A (zh) * | 2017-04-01 | 2017-07-21 | 济南浪潮高新科技投资发展有限公司 | 一种虚拟机证书快速申请系统及方法 |
| US11119789B2 (en) | 2018-04-25 | 2021-09-14 | Hewlett Packard Enterprise Development Lp | Kernel space measurement |
| ES3012741T3 (en) * | 2019-02-13 | 2025-04-10 | Merck Patent Gmbh | Methods and systems for token-based anchoring of a physical object in a distributed ledger environment |
| US11695772B1 (en) * | 2022-05-03 | 2023-07-04 | Capital One Services, Llc | System and method for enabling multiple auxiliary use of an access token of a user by another entity to facilitate an action of the user |
| WO2024124223A1 (en) * | 2022-12-08 | 2024-06-13 | Expanse Laboratories Corporation | Method of utilizing physical objects in a blockchain |
| US20250202692A1 (en) * | 2023-12-14 | 2025-06-19 | International Business Machines Corporation | Secured parallel reality content distribution |
| US12519648B2 (en) * | 2024-01-09 | 2026-01-06 | Capital One Services, Llc | Systems and devices configured to generate and utilize short-range communication-based authentication tokens, and methods of use thereof |
Family Cites Families (211)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3699532A (en) | 1970-04-21 | 1972-10-17 | Singer Co | Multiprogramming control for a data handling system |
| US3996449A (en) | 1975-08-25 | 1976-12-07 | International Business Machines Corporation | Operating system authenticator |
| US4162536A (en) | 1976-01-02 | 1979-07-24 | Gould Inc., Modicon Div. | Digital input/output system and method |
| US4037214A (en) | 1976-04-30 | 1977-07-19 | International Business Machines Corporation | Key register controlled accessing system |
| US4247905A (en) | 1977-08-26 | 1981-01-27 | Sharp Kabushiki Kaisha | Memory clear system |
| US4278837A (en) | 1977-10-31 | 1981-07-14 | Best Robert M | Crypto microprocessor for executing enciphered programs |
| US4276594A (en) | 1978-01-27 | 1981-06-30 | Gould Inc. Modicon Division | Digital computer with multi-processor capability utilizing intelligent composite memory and input/output modules and method for performing the same |
| US4207609A (en) | 1978-05-08 | 1980-06-10 | International Business Machines Corporation | Method and means for path independent device reservation and reconnection in a multi-CPU and shared device access system |
| JPS5823570B2 (ja) | 1978-11-30 | 1983-05-16 | 国産電機株式会社 | 液面検出装置 |
| JPS5576447A (en) | 1978-12-01 | 1980-06-09 | Fujitsu Ltd | Address control system for software simulation |
| US4307447A (en) | 1979-06-19 | 1981-12-22 | Gould Inc. | Programmable controller |
| US4307214A (en) * | 1979-12-12 | 1981-12-22 | Phillips Petroleum Company | SC2 activation of supported chromium oxide catalysts |
| US4319323A (en) | 1980-04-04 | 1982-03-09 | Digital Equipment Corporation | Communications device for data processing system |
| US4419724A (en) | 1980-04-14 | 1983-12-06 | Sperry Corporation | Main bus interface package |
| US4366537A (en) | 1980-05-23 | 1982-12-28 | International Business Machines Corp. | Authorization mechanism for transfer of program control or data between different address spaces having different storage protect keys |
| US4403283A (en) | 1980-07-28 | 1983-09-06 | Ncr Corporation | Extended memory system and method |
| DE3034581A1 (de) | 1980-09-13 | 1982-04-22 | Robert Bosch Gmbh, 7000 Stuttgart | Auslesesicherung bei einchip-mikroprozessoren |
| US4521852A (en) | 1982-06-30 | 1985-06-04 | Texas Instruments Incorporated | Data processing device formed on a single semiconductor substrate having secure memory |
| US4759064A (en) | 1985-10-07 | 1988-07-19 | Chaum David L | Blind unanticipated signature systems |
| US4975836A (en) | 1984-12-19 | 1990-12-04 | Hitachi, Ltd. | Virtual computer system |
| JPS61206057A (ja) | 1985-03-11 | 1986-09-12 | Hitachi Ltd | アドレス変換装置 |
| FR2592510B1 (fr) | 1985-12-31 | 1988-02-12 | Bull Cp8 | Procede et appareil pour certifier des services obtenus a l'aide d'un support portatif tel qu'une carte a memoire |
| FR2601525B1 (fr) | 1986-07-11 | 1988-10-21 | Bull Cp8 | Dispositif de securite interdisant le fonctionnement d'un ensemble electronique apres une premiere coupure de son alimentation electrique |
| FR2601535B1 (fr) | 1986-07-11 | 1988-10-21 | Bull Cp8 | Procede pour certifier l'authenticite d'une donnee echangee entre deux dispositifs connectes en local ou a distance par une ligne de transmission |
| FR2601476B1 (fr) | 1986-07-11 | 1988-10-21 | Bull Cp8 | Procede pour authentifier une donnee d'habilitation externe par un objet portatif tel qu'une carte a memoire |
| FR2618002B1 (fr) | 1987-07-10 | 1991-07-05 | Schlumberger Ind Sa | Procede et systeme d'authentification de cartes a memoire electronique |
| US5007082A (en) | 1988-08-03 | 1991-04-09 | Kelly Services, Inc. | Computer software encryption apparatus |
| US5079737A (en) | 1988-10-25 | 1992-01-07 | United Technologies Corporation | Memory management unit for the MIL-STD 1750 bus |
| US5434999A (en) | 1988-11-09 | 1995-07-18 | Bull Cp8 | Safeguarded remote loading of service programs by authorizing loading in protected memory zones in a terminal |
| FR2640798B1 (fr) | 1988-12-20 | 1993-01-08 | Bull Cp8 | Dispositif de traitement de donnees comportant une memoire non volatile electriquement effacable et reprogrammable |
| JPH02171934A (ja) | 1988-12-26 | 1990-07-03 | Hitachi Ltd | 仮想計算機システム |
| JPH02208740A (ja) | 1989-02-09 | 1990-08-20 | Fujitsu Ltd | 仮想計算機制御方式 |
| US5781753A (en) | 1989-02-24 | 1998-07-14 | Advanced Micro Devices, Inc. | Semi-autonomous RISC pipelines for overlapped execution of RISC-like instructions within the multiple superscalar execution units of a processor having distributed pipeline control for speculative and out-of-order execution of complex instructions |
| US5442645A (en) | 1989-06-06 | 1995-08-15 | Bull Cp8 | Method for checking the integrity of a program or data, and apparatus for implementing this method |
| JP2590267B2 (ja) | 1989-06-30 | 1997-03-12 | 株式会社日立製作所 | 仮想計算機における表示制御方式 |
| US5022077A (en) | 1989-08-25 | 1991-06-04 | International Business Machines Corp. | Apparatus and method for preventing unauthorized access to BIOS in a personal computer system |
| JP2825550B2 (ja) | 1989-09-21 | 1998-11-18 | 株式会社日立製作所 | 多重仮想空間アドレス制御方法および計算機システム |
| CA2010591C (en) | 1989-10-20 | 1999-01-26 | Phillip M. Adams | Kernels, description tables and device drivers |
| CA2027799A1 (en) | 1989-11-03 | 1991-05-04 | David A. Miller | Method and apparatus for independently resetting processors and cache controllers in multiple processor systems |
| US5075842A (en) | 1989-12-22 | 1991-12-24 | Intel Corporation | Disabling tag bit recognition and allowing privileged operations to occur in an object-oriented memory protection mechanism |
| US5108590A (en) | 1990-09-12 | 1992-04-28 | Disanto Dennis | Water dispenser |
| US5230069A (en) | 1990-10-02 | 1993-07-20 | International Business Machines Corporation | Apparatus and method for providing private and shared access to host address and data spaces by guest programs in a virtual machine computer system |
| US5317705A (en) | 1990-10-24 | 1994-05-31 | International Business Machines Corporation | Apparatus and method for TLB purge reduction in a multi-level machine system |
| US5287363A (en) | 1991-07-01 | 1994-02-15 | Disk Technician Corporation | System for locating and anticipating data storage media failures |
| US5437033A (en) | 1990-11-16 | 1995-07-25 | Hitachi, Ltd. | System for recovery from a virtual machine monitor failure with a continuous guest dispatched to a nonguest mode |
| US5255379A (en) | 1990-12-28 | 1993-10-19 | Sun Microsystems, Inc. | Method for automatically transitioning from V86 mode to protected mode in a computer system using an Intel 80386 or 80486 processor |
| US5453003A (en) | 1991-01-09 | 1995-09-26 | Pfefferle; William C. | Catalytic method |
| US5446904A (en) | 1991-05-17 | 1995-08-29 | Zenith Data Systems Corporation | Suspend/resume capability for a protected mode microprocessor |
| US5319760A (en) | 1991-06-28 | 1994-06-07 | Digital Equipment Corporation | Translation buffer for virtual machines with address space match |
| US5522075A (en) | 1991-06-28 | 1996-05-28 | Digital Equipment Corporation | Protection ring extension for computers having distinct virtual machine monitor and virtual machine address spaces |
| JPH06236284A (ja) | 1991-10-21 | 1994-08-23 | Intel Corp | コンピュータシステム処理状態を保存及び復元する方法及びコンピュータシステム |
| US5627987A (en) | 1991-11-29 | 1997-05-06 | Kabushiki Kaisha Toshiba | Memory management and protection system for virtual memory in computer system |
| US5574936A (en) | 1992-01-02 | 1996-11-12 | Amdahl Corporation | Access control mechanism controlling access to and logical purging of access register translation lookaside buffer (ALB) in a computer system |
| US5486529A (en) | 1992-04-16 | 1996-01-23 | Zeneca Limited | Certain pyridyl ketones for treating diseases involving leukocyte elastase |
| US5421006A (en) | 1992-05-07 | 1995-05-30 | Compaq Computer Corp. | Method and apparatus for assessing integrity of computer system software |
| US5610981A (en) | 1992-06-04 | 1997-03-11 | Integrated Technologies Of America, Inc. | Preboot protection for a data security system with anti-intrusion capability |
| US5237616A (en) | 1992-09-21 | 1993-08-17 | International Business Machines Corporation | Secure computer system having privileged and unprivileged memories |
| US5293424A (en) | 1992-10-14 | 1994-03-08 | Bull Hn Information Systems Inc. | Secure memory card |
| US5796835A (en) | 1992-10-27 | 1998-08-18 | Bull Cp8 | Method and system for writing information in a data carrier making it possible to later certify the originality of this information |
| EP0600112A1 (de) | 1992-11-30 | 1994-06-08 | Siemens Nixdorf Informationssysteme Aktiengesellschaft | Datenverarbeitungsanlage mit virtueller Speicheradressierung und schlüsselgesteuertem Speicherzugriff |
| JP2765411B2 (ja) | 1992-11-30 | 1998-06-18 | 株式会社日立製作所 | 仮想計算機方式 |
| US5668971A (en) | 1992-12-01 | 1997-09-16 | Compaq Computer Corporation | Posted disk read operations performed by signalling a disk read complete to the system prior to completion of data transfer |
| JPH06187178A (ja) | 1992-12-18 | 1994-07-08 | Hitachi Ltd | 仮想計算機システムの入出力割込み制御方法 |
| US5483656A (en) | 1993-01-14 | 1996-01-09 | Apple Computer, Inc. | System for managing power consumption of devices coupled to a common bus |
| US5469557A (en) | 1993-03-05 | 1995-11-21 | Microchip Technology Incorporated | Code protection in microcontroller with EEPROM fuses |
| FR2703800B1 (fr) | 1993-04-06 | 1995-05-24 | Bull Cp8 | Procédé de signature d'un fichier informatique, et dispositif pour la mise en Óoeuvre. |
| FR2704341B1 (fr) | 1993-04-22 | 1995-06-02 | Bull Cp8 | Dispositif de protection des clés d'une carte à puce. |
| JPH06348867A (ja) | 1993-06-04 | 1994-12-22 | Hitachi Ltd | マイクロコンピュータ |
| FR2706210B1 (fr) | 1993-06-08 | 1995-07-21 | Bull Cp8 | Procédé d'authentification d'un objet portatif par un terminal hors ligne, objet portatif et terminal correspondants. |
| US5555385A (en) | 1993-10-27 | 1996-09-10 | International Business Machines Corporation | Allocation of address spaces within virtual machine compute system |
| US5825880A (en) | 1994-01-13 | 1998-10-20 | Sudia; Frank W. | Multi-step digital signature method and system |
| US5459869A (en) | 1994-02-17 | 1995-10-17 | Spilo; Michael L. | Method for providing protected mode services for device drivers and other resident software |
| US5604805A (en) | 1994-02-28 | 1997-02-18 | Brands; Stefanus A. | Privacy-protected transfer of electronic information |
| FR2717286B1 (fr) | 1994-03-09 | 1996-04-05 | Bull Cp8 | Procédé et dispositif pour authentifier un support de données destiné à permettre une transaction ou l'accès à un service ou à un lieu, et support correspondant. |
| US5684881A (en) | 1994-05-23 | 1997-11-04 | Matsushita Electric Industrial Co., Ltd. | Sound field and sound image control apparatus and method |
| US5539828A (en) | 1994-05-31 | 1996-07-23 | Intel Corporation | Apparatus and method for providing secured communications |
| US5473692A (en) | 1994-09-07 | 1995-12-05 | Intel Corporation | Roving software license for a hardware agent |
| US5533123A (en) | 1994-06-28 | 1996-07-02 | National Semiconductor Corporation | Programmable distributed personal security |
| US5978481A (en) | 1994-08-16 | 1999-11-02 | Intel Corporation | Modem compatible method and apparatus for encrypting data that is transparent to software applications |
| JPH0883211A (ja) | 1994-09-12 | 1996-03-26 | Mitsubishi Electric Corp | データ処理装置 |
| EP0706275B1 (en) | 1994-09-15 | 2006-01-25 | International Business Machines Corporation | System and method for secure storage and distribution of data using digital signatures |
| US6058478A (en) | 1994-09-30 | 2000-05-02 | Intel Corporation | Apparatus and method for a vetted field upgrade |
| FR2725537B1 (fr) | 1994-10-11 | 1996-11-22 | Bull Cp8 | Procede de chargement d'une zone memoire protegee d'un dispositif de traitement de l'information et dispositif associe |
| US5903752A (en) | 1994-10-13 | 1999-05-11 | Intel Corporation | Method and apparatus for embedding a real-time multi-tasking kernel in a non-real-time operating system |
| US5606617A (en) | 1994-10-14 | 1997-02-25 | Brands; Stefanus A. | Secret-key certificates |
| US5564040A (en) | 1994-11-08 | 1996-10-08 | International Business Machines Corporation | Method and apparatus for providing a server function in a logically partitioned hardware machine |
| US6269392B1 (en) | 1994-11-15 | 2001-07-31 | Christian Cotichini | Method and apparatus to monitor and locate an electronic device using a secured intelligent agent |
| US5560013A (en) | 1994-12-06 | 1996-09-24 | International Business Machines Corporation | Method of using a target processor to execute programs of a source architecture that uses multiple address spaces |
| US5555414A (en) | 1994-12-14 | 1996-09-10 | International Business Machines Corporation | Multiprocessing system including gating of host I/O and external enablement to guest enablement at polling intervals |
| US5615263A (en) | 1995-01-06 | 1997-03-25 | Vlsi Technology, Inc. | Dual purpose security architecture with protected internal operating system |
| US5764969A (en) | 1995-02-10 | 1998-06-09 | International Business Machines Corporation | Method and system for enhanced management operation utilizing intermixed user level and supervisory level instructions with partial concept synchronization |
| FR2731536B1 (fr) | 1995-03-10 | 1997-04-18 | Schlumberger Ind Sa | Procede d'inscription securisee d'informations dans un support portable |
| US5717903A (en) | 1995-05-15 | 1998-02-10 | Compaq Computer Corporation | Method and appartus for emulating a peripheral device to allow device driver development before availability of the peripheral device |
| JP3451595B2 (ja) | 1995-06-07 | 2003-09-29 | インターナショナル・ビジネス・マシーンズ・コーポレーション | 二つの別個の命令セット・アーキテクチャへの拡張をサポートすることができるアーキテクチャ・モード制御を備えたマイクロプロセッサ |
| US5684948A (en) | 1995-09-01 | 1997-11-04 | National Semiconductor Corporation | Memory management circuit which provides simulated privilege levels |
| US5633929A (en) | 1995-09-15 | 1997-05-27 | Rsa Data Security, Inc | Cryptographic key escrow system having reduced vulnerability to harvesting attacks |
| US6093213A (en) | 1995-10-06 | 2000-07-25 | Advanced Micro Devices, Inc. | Flexible implementation of a system management mode (SMM) in a processor |
| US5737760A (en) | 1995-10-06 | 1998-04-07 | Motorola Inc. | Microcontroller with security logic circuit which prevents reading of internal memory by external program |
| JP3693721B2 (ja) | 1995-11-10 | 2005-09-07 | Necエレクトロニクス株式会社 | フラッシュメモリ内蔵マイクロコンピュータ及びそのテスト方法 |
| IL116708A (en) | 1996-01-08 | 2000-12-06 | Smart Link Ltd | Real-time task manager for a personal computer |
| CA2242596C (en) | 1996-01-11 | 2012-06-19 | Mrj, Inc. | System for controlling access and distribution of digital property |
| US5657445A (en) | 1996-01-26 | 1997-08-12 | Dell Usa, L.P. | Apparatus and method for limiting access to mass storage devices in a computer system |
| US5835594A (en) | 1996-02-09 | 1998-11-10 | Intel Corporation | Methods and apparatus for preventing unauthorized write access to a protected non-volatile storage |
| US5978892A (en) | 1996-05-03 | 1999-11-02 | Digital Equipment Corporation | Virtual memory allocation in a virtual address space having an inaccessible gap |
| US5809546A (en) | 1996-05-23 | 1998-09-15 | International Business Machines Corporation | Method for managing I/O buffers in shared storage by structuring buffer table having entries including storage keys for controlling accesses to the buffers |
| US6205550B1 (en) | 1996-06-13 | 2001-03-20 | Intel Corporation | Tamper resistant methods and apparatus |
| US6175925B1 (en) | 1996-06-13 | 2001-01-16 | Intel Corporation | Tamper resistant player for scrambled contents |
| US6178509B1 (en) | 1996-06-13 | 2001-01-23 | Intel Corporation | Tamper resistant methods and apparatus |
| US5729760A (en) | 1996-06-21 | 1998-03-17 | Intel Corporation | System for providing first type access to register if processor in first mode and second type access to register if processor not in first mode |
| US6199152B1 (en) | 1996-08-22 | 2001-03-06 | Transmeta Corporation | Translated memory protection apparatus for an advanced microprocessor |
| US5740178A (en) | 1996-08-29 | 1998-04-14 | Lucent Technologies Inc. | Software for controlling a reliable backup memory |
| WO1998012620A1 (fr) | 1996-09-20 | 1998-03-26 | Mitsubishi Denki Kabushiki Kaisha | Micro-ordinateur possedant une fonction de commande de remise a zero |
| US6055637A (en) | 1996-09-27 | 2000-04-25 | Electronic Data Systems Corporation | System and method for accessing enterprise-wide resources by presenting to the resource a temporary credential |
| US5937063A (en) | 1996-09-30 | 1999-08-10 | Intel Corporation | Secure boot |
| US5844986A (en) | 1996-09-30 | 1998-12-01 | Intel Corporation | Secure BIOS |
| US5935242A (en) | 1996-10-28 | 1999-08-10 | Sun Microsystems, Inc. | Method and apparatus for initializing a device |
| US5852717A (en) | 1996-11-20 | 1998-12-22 | Shiva Corporation | Performance optimizations for computer networks utilizing HTTP |
| DE19649292A1 (de) | 1996-11-28 | 1998-06-04 | Deutsche Telekom Ag | Verfahren zum Sichern eines durch eine Schlüsselhierarchie geschützten Systems |
| US5901225A (en) | 1996-12-05 | 1999-05-04 | Advanced Micro Devices, Inc. | System and method for performing software patches in embedded systems |
| US5757919A (en) | 1996-12-12 | 1998-05-26 | Intel Corporation | Cryptographically protected paging subsystem |
| US5818939A (en) | 1996-12-18 | 1998-10-06 | Intel Corporation | Optimized security functionality in an electronic system |
| US6412035B1 (en) | 1997-02-03 | 2002-06-25 | Real Time, Inc. | Apparatus and method for decreasing the response times of interrupt service routines |
| JP4000654B2 (ja) | 1997-02-27 | 2007-10-31 | セイコーエプソン株式会社 | 半導体装置及び電子機器 |
| EP0970411B1 (en) | 1997-03-27 | 2002-05-15 | BRITISH TELECOMMUNICATIONS public limited company | Copy protection of data |
| US6272637B1 (en) | 1997-04-14 | 2001-08-07 | Dallas Semiconductor Corporation | Systems and methods for protecting access to encrypted information |
| US6557104B2 (en) | 1997-05-02 | 2003-04-29 | Phoenix Technologies Ltd. | Method and apparatus for secure processing of cryptographic keys |
| US6044478A (en) | 1997-05-30 | 2000-03-28 | National Semiconductor Corporation | Cache with finely granular locked-down regions |
| US6075938A (en) | 1997-06-10 | 2000-06-13 | The Board Of Trustees Of The Leland Stanford Junior University | Virtual machine monitors for scalable multiprocessors |
| US5987557A (en) | 1997-06-19 | 1999-11-16 | Sun Microsystems, Inc. | Method and apparatus for implementing hardware protection domains in a system with no memory management unit (MMU) |
| US6175924B1 (en) | 1997-06-20 | 2001-01-16 | International Business Machines Corp. | Method and apparatus for protecting application data in secure storage areas |
| US6035374A (en) | 1997-06-25 | 2000-03-07 | Sun Microsystems, Inc. | Method of executing coded instructions in a multiprocessor having shared execution resources including active, nap, and sleep states in accordance with cache miss latency |
| US6584565B1 (en) | 1997-07-15 | 2003-06-24 | Hewlett-Packard Development Company, L.P. | Method and apparatus for long term verification of digital signatures |
| US6014745A (en) | 1997-07-17 | 2000-01-11 | Silicon Systems Design Ltd. | Protection for customer programs (EPROM) |
| US6212635B1 (en) | 1997-07-18 | 2001-04-03 | David C. Reardon | Network security system allowing access and modification to a security subsystem after initial installation when a master token is in place |
| US5978475A (en) | 1997-07-18 | 1999-11-02 | Counterpane Internet Security, Inc. | Event auditing system |
| US6188995B1 (en) | 1997-07-28 | 2001-02-13 | Apple Computer, Inc. | Method and apparatus for enforcing software licenses |
| US5919257A (en) | 1997-08-08 | 1999-07-06 | Novell, Inc. | Networked workstation intrusion detection system |
| DE19735948C1 (de) | 1997-08-19 | 1998-10-01 | Siemens Nixdorf Inf Syst | Verfahren zur Verbesserung der Steuerungsmöglichkeit in Datenverarbeitungsanlagen mit Adreßübersetzung |
| US6282657B1 (en) | 1997-09-16 | 2001-08-28 | Safenet, Inc. | Kernel mode protection |
| US5935247A (en) | 1997-09-18 | 1999-08-10 | Geneticware Co., Ltd. | Computer system having a genetic code that cannot be directly accessed and a method of maintaining the same |
| US6148379A (en) | 1997-09-19 | 2000-11-14 | Silicon Graphics, Inc. | System, method and computer program product for page sharing between fault-isolated cells in a distributed shared memory system |
| US6182089B1 (en) | 1997-09-23 | 2001-01-30 | Silicon Graphics, Inc. | Method, system and computer program product for dynamically allocating large memory pages of different sizes |
| US5970147A (en) | 1997-09-30 | 1999-10-19 | Intel Corporation | System and method for configuring and registering a cryptographic device |
| US6061794A (en) | 1997-09-30 | 2000-05-09 | Compaq Computer Corp. | System and method for performing secure device communications in a peer-to-peer bus architecture |
| US6357004B1 (en) | 1997-09-30 | 2002-03-12 | Intel Corporation | System and method for ensuring integrity throughout post-processing |
| US5987604A (en) | 1997-10-07 | 1999-11-16 | Phoenix Technologies, Ltd. | Method and apparatus for providing execution of system management mode services in virtual mode |
| US6085296A (en) | 1997-11-12 | 2000-07-04 | Digital Equipment Corporation | Sharing memory pages and page tables among computer processes |
| US6378072B1 (en) | 1998-02-03 | 2002-04-23 | Compaq Computer Corporation | Cryptographic system |
| US6308270B1 (en) | 1998-02-13 | 2001-10-23 | Schlumberger Technologies, Inc. | Validating and certifying execution of a software program with a smart card |
| US6108644A (en) | 1998-02-19 | 2000-08-22 | At&T Corp. | System and method for electronic transactions |
| US6131166A (en) | 1998-03-13 | 2000-10-10 | Sun Microsystems, Inc. | System and method for cross-platform application level power management |
| US6192455B1 (en) | 1998-03-30 | 2001-02-20 | Intel Corporation | Apparatus and method for preventing access to SMRAM space through AGP addressing |
| US6374286B1 (en) | 1998-04-06 | 2002-04-16 | Rockwell Collins, Inc. | Real time processor capable of concurrently running multiple independent JAVA machines |
| US6173417B1 (en) | 1998-04-30 | 2001-01-09 | Intel Corporation | Initializing and restarting operating systems |
| US6339826B2 (en) | 1998-05-05 | 2002-01-15 | International Business Machines Corp. | Client-server system for maintaining a user desktop consistent with server application user access permissions |
| US6397242B1 (en) | 1998-05-15 | 2002-05-28 | Vmware, Inc. | Virtualization system including a virtual machine monitor for a computer with a segmented architecture |
| FR2778998B1 (fr) | 1998-05-20 | 2000-06-30 | Schlumberger Ind Sa | Procede d'authentification d'un code personnel d'un utilisateur d'une carte a circuit integre |
| EP0961193B1 (en) | 1998-05-29 | 2010-09-01 | Texas Instruments Incorporated | Secure computing device |
| US6421702B1 (en) | 1998-06-09 | 2002-07-16 | Advanced Micro Devices, Inc. | Interrupt driven isochronous task scheduler system |
| AU748955B2 (en) | 1998-06-17 | 2002-06-13 | Aristocrat Technologies Australia Pty Limited | Software verification and authentication |
| US6339815B1 (en) | 1998-08-14 | 2002-01-15 | Silicon Storage Technology, Inc. | Microcontroller system having allocation circuitry to selectively allocate and/or hide portions of a program memory address space |
| US6505279B1 (en) | 1998-08-14 | 2003-01-07 | Silicon Storage Technology, Inc. | Microcontroller system having security circuitry to selectively lock portions of a program memory address space |
| US6363485B1 (en) | 1998-09-09 | 2002-03-26 | Entrust Technologies Limited | Multi-factor biometric authenticating device and method |
| US6463535B1 (en) | 1998-10-05 | 2002-10-08 | Intel Corporation | System and method for verifying the integrity and authorization of software before execution in a local platform |
| US6230248B1 (en) | 1998-10-12 | 2001-05-08 | Institute For The Development Of Emerging Architectures, L.L.C. | Method and apparatus for pre-validating regions in a virtual addressing scheme |
| US6330670B1 (en) | 1998-10-26 | 2001-12-11 | Microsoft Corporation | Digital rights management operating system |
| US6609199B1 (en) | 1998-10-26 | 2003-08-19 | Microsoft Corporation | Method and apparatus for authenticating an open system application to a portable IC device |
| US6327652B1 (en) | 1998-10-26 | 2001-12-04 | Microsoft Corporation | Loading and identifying a digital rights management operating system |
| US6445797B1 (en) | 1998-12-16 | 2002-09-03 | Secure Choice Llc | Method and system for performing secure electronic digital streaming |
| US6463537B1 (en) | 1999-01-04 | 2002-10-08 | Codex Technologies, Inc. | Modified computer motherboard security and identification system |
| US6282650B1 (en) | 1999-01-25 | 2001-08-28 | Intel Corporation | Secure public digital watermark |
| US7111290B1 (en) | 1999-01-28 | 2006-09-19 | Ati International Srl | Profiling program execution to identify frequently-executed portions and to assist binary translation |
| US6560627B1 (en) | 1999-01-28 | 2003-05-06 | Cisco Technology, Inc. | Mutual exclusion at the record level with priority inheritance for embedded systems using one semaphore |
| US6188257B1 (en) | 1999-02-01 | 2001-02-13 | Vlsi Technology, Inc. | Power-on-reset logic with secure power down capability |
| US6272533B1 (en) | 1999-02-16 | 2001-08-07 | Hendrik A. Browne | Secure computer system and method of providing secure access to a computer system including a stand alone switch operable to inhibit data corruption on a storage device |
| US7225333B2 (en) | 1999-03-27 | 2007-05-29 | Microsoft Corporation | Secure processor architecture for use with a digital rights management (DRM) system on a computing device |
| US6615278B1 (en) | 1999-03-29 | 2003-09-02 | International Business Machines Corporation | Cross-platform program, system, and method having a global registry object for mapping registry equivalent functions in an OS/2 operating system environment |
| US6684326B1 (en) | 1999-03-31 | 2004-01-27 | International Business Machines Corporation | Method and system for authenticated boot operations in a computer system of a networked computing environment |
| US6651171B1 (en) | 1999-04-06 | 2003-11-18 | Microsoft Corporation | Secure execution of program code |
| AU4234800A (en) | 1999-04-12 | 2000-11-14 | Digital Media On Demand, Inc. (Dmod, Inc.) | Secure electronic commerce system |
| US6389537B1 (en) | 1999-04-23 | 2002-05-14 | Intel Corporation | Platform and method for assuring integrity of trusted agent communications |
| US6275933B1 (en) | 1999-04-30 | 2001-08-14 | 3Com Corporation | Security system for a computerized apparatus |
| EP1056014A1 (en) | 1999-05-28 | 2000-11-29 | Hewlett-Packard Company | System for providing a trustworthy user interface |
| EP1055989A1 (en) | 1999-05-28 | 2000-11-29 | Hewlett-Packard Company | System for digitally signing a document |
| CN1110003C (zh) * | 1999-05-31 | 2003-05-28 | 王子忠 | 银行通用支付密码系统 |
| US6321314B1 (en) | 1999-06-09 | 2001-11-20 | Ati International S.R.L. | Method and apparatus for restricting memory access |
| US6633981B1 (en) | 1999-06-18 | 2003-10-14 | Intel Corporation | Electronic system and method for controlling access through user authentication |
| US6158546A (en) | 1999-06-25 | 2000-12-12 | Tenneco Automotive Inc. | Straight through muffler with conically-ended output passage |
| US6301646B1 (en) | 1999-07-30 | 2001-10-09 | Curl Corporation | Pointer verification system and method |
| US6529909B1 (en) | 1999-08-31 | 2003-03-04 | Accenture Llp | Method for translating an object attribute converter in an information services patterns environment |
| JP2001148344A (ja) | 1999-09-09 | 2001-05-29 | Nikon Corp | 露光装置、エネルギ源の出力制御方法、該方法を用いるレーザ装置、及びデバイス製造方法 |
| EP1085396A1 (en) | 1999-09-17 | 2001-03-21 | Hewlett-Packard Company | Operation of trusted state in computing platform |
| US6535988B1 (en) | 1999-09-29 | 2003-03-18 | Intel Corporation | System for detecting over-clocking uses a reference signal thereafter preventing over-clocking by reducing clock rate |
| US6374317B1 (en) | 1999-10-07 | 2002-04-16 | Intel Corporation | Method and apparatus for initializing a computer interface |
| GB9923804D0 (en) * | 1999-10-08 | 1999-12-08 | Hewlett Packard Co | Electronic commerce system |
| GB9923802D0 (en) * | 1999-10-08 | 1999-12-08 | Hewlett Packard Co | User authentication |
| US6292874B1 (en) | 1999-10-19 | 2001-09-18 | Advanced Technology Materials, Inc. | Memory management method and apparatus for partitioning homogeneous memory and restricting access of installed applications to predetermined memory ranges |
| WO2001063994A2 (en) | 2000-02-23 | 2001-08-30 | Iridian Technologies, Inc. | Tamper proof case for electronic devices having memories with sensitive information |
| AU2001251701A1 (en) | 2000-02-25 | 2001-09-03 | Identix Incorporated | Secure transaction system |
| AU2001243365A1 (en) | 2000-03-02 | 2001-09-12 | Alarity Corporation | System and method for process protection |
| JP3710671B2 (ja) | 2000-03-14 | 2005-10-26 | シャープ株式会社 | 1チップマイクロコンピュータ及びそれを用いたicカード、並びに1チップマイクロコンピュータのアクセス制御方法 |
| CA2341931C (en) | 2000-03-24 | 2006-05-30 | Contentguard Holdings, Inc. | System and method for protection of digital works |
| US6633963B1 (en) | 2000-03-31 | 2003-10-14 | Intel Corporation | Controlling access to multiple memory zones in an isolated execution environment |
| US6678825B1 (en) | 2000-03-31 | 2004-01-13 | Intel Corporation | Controlling access to multiple isolated memories in an isolated execution environment |
| US6507904B1 (en) | 2000-03-31 | 2003-01-14 | Intel Corporation | Executing isolated mode instructions in a secure system running in privilege rings |
| US6976162B1 (en) | 2000-06-28 | 2005-12-13 | Intel Corporation | Platform and method for establishing provable identities while maintaining privacy |
| GB0020416D0 (en) | 2000-08-18 | 2000-10-04 | Hewlett Packard Co | Trusted system |
| US6948065B2 (en) | 2000-12-27 | 2005-09-20 | Intel Corporation | Platform and method for securely transmitting an authorization secret |
| EP1271277A3 (en) | 2001-06-26 | 2003-02-05 | Redstrike B.V. | Security system and software to prevent unauthorized use of a computing device |
| US20030018892A1 (en) | 2001-07-19 | 2003-01-23 | Jose Tello | Computer with a modified north bridge, security engine and smart card having a secure boot capability and method for secure booting a computer |
| US20030126454A1 (en) | 2001-12-28 | 2003-07-03 | Glew Andrew F. | Authenticated code method and apparatus |
-
2001
- 2001-12-17 US US10/028,894 patent/US7103771B2/en not_active Expired - Fee Related
-
2002
- 2002-11-22 AU AU2002352907A patent/AU2002352907A1/en not_active Abandoned
- 2002-11-22 WO PCT/US2002/037754 patent/WO2003052565A1/en not_active Ceased
- 2002-11-22 EP EP02789867A patent/EP1456731A1/en not_active Withdrawn
- 2002-11-22 CN CNB028253035A patent/CN100335985C/zh not_active Expired - Fee Related
- 2002-11-22 JP JP2003553386A patent/JP4101761B2/ja not_active Expired - Fee Related
- 2002-12-10 TW TW091135691A patent/TWI232664B/zh not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CN1605054A (zh) | 2005-04-06 |
| EP1456731A1 (en) | 2004-09-15 |
| TW200304318A (en) | 2003-09-16 |
| US7103771B2 (en) | 2006-09-05 |
| TWI232664B (en) | 2005-05-11 |
| JP2005513605A (ja) | 2005-05-12 |
| CN100335985C (zh) | 2007-09-05 |
| WO2003052565A1 (en) | 2003-06-26 |
| AU2002352907A1 (en) | 2003-06-30 |
| US20030115453A1 (en) | 2003-06-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4101761B2 (ja) | 仮想トークンの物理トークンへの接続 | |
| KR100611687B1 (ko) | 멀티-토큰 실 및 실 해제 | |
| JP6370722B2 (ja) | データセンタへのプラットフォームの内包検証 | |
| CN100566243C (zh) | 使用固定令牌和可移动令牌两者的计算设备及其方法 | |
| KR101067399B1 (ko) | 대칭 키 암호화에 기초한 데이터의 저장 및 검색을 위한, 컴퓨팅 장치에서 구현되는 방법, 시스템 및 복수의 명령어를 저장하는 하나 이상의 컴퓨터 판독가능 매체 | |
| US20040117318A1 (en) | Portable token controlling trusted environment launch | |
| US20060174110A1 (en) | Symmetric key optimizations | |
| KR20110035573A (ko) | 클라우드 컴퓨팅 환경에서 안전한 가상 머신 설치를 제공하는 방법 | |
| CN102986161A (zh) | 用于对应用进行密码保护的方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20061121 |
|
| A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20070220 |
|
| A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20070227 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20070521 |
|
| 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: 20080219 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20080319 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110328 Year of fee payment: 3 |
|
| R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120328 Year of fee payment: 4 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130328 Year of fee payment: 5 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130328 Year of fee payment: 5 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20140328 Year of fee payment: 6 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| LAPS | Cancellation because of no payment of annual fees |