公开(公告)号：JP2005202926A

公开(公告)日：2005-07-28

申请号：JP2004308917

申请日：2004-10-22

Applicant: Microsoft Corp ,  マイクロソフト コーポレーション

Inventor： POTRA ADRIAN ,  GANESAN KRISHNAMURTHY ,  HAN MU ,  BOBDE NIKHIL P

IPC: G06F9/54 ,  G06F9/38 ,  G06F9/46 ,  G06F15/00 ,  H04L29/06

CPC classification number: H04L65/1006 ,  G06F9/54 ,  H04L29/06 ,  H04L29/06027 ,  H04L65/403

Abstract: PROBLEM TO BE SOLVED: To provide an extensible real-time collaboration system. SOLUTION: This architecture has an activity object, an endpoint object and a plurality of media stacks. These objects can use various communication protocols such as Session Initiation Protocol or Real-Time Transport Protocol for the transmission and reception of a message. The activity object, the endpoint object and the plurality of media stacks have one or a plurality of APIs respectively. An application developer can access or provide a collaboration related functionality by using the API. COPYRIGHT: (C)2005,JPO&NCIPI

Abstract translation: 要解决的问题：提供可扩展的实时协作系统。 解决方案：该架构具有活动对象，端点对象和多个媒体堆栈。 这些对象可以使用各种通信协议，例如会话发起协议或实时传输协议来发送和接收消息。 活动对象，端点对象和多个媒体堆栈分别具有一个或多个API。 应用程序开发人员可以使用API​​访问或提供与协作相关的功能。 版权所有（C）2005，JPO＆NCIPI

公开(公告)号：JP2004048749A

公开(公告)日：2004-02-12

申请号：JP2003183594

申请日：2003-06-26

Applicant: Microsoft Corp ,  マイクロソフト コーポレイションMicrosoft Corporation

Inventor： STROM CLIFFORD P ,  GANESAN KRISHNAMURTHY ,  HELIN JONAS FREDRIK

IPC: G06F12/14 ,  G06F1/00 ,  G06F21/00 ,  H04L20060101 ,  H04L9/00 ,  H04L9/14

CPC classification number: G06F21/10 ,  G06F2221/0704 ,  G06F2221/0771 ,  G06F2221/2107

Abstract: PROBLEM TO BE SOLVED: To attain encryption of digital rights management and data protection for a content in a device not provided with interactive authentication. SOLUTION: A device for rendering a content in a medium retrieves a table from the medium, retrieves a device private key (PR-PD), specifies an entry of the table based on the (PR-PD), retrieves (PU-PD(RND)) from the specified entry, and applies the (PR-PD) to the (PU-PD(RND)) to disclose a random key (RND). Next, the device retrieves (RND(PR-PM)) from the table, applies the (RND) to the (RND(PR-PM)) for disclosing a medium private key (PR-PM), retrieves (PU-PM(KD)) from a lisence, applies the (PR-PM) to the (PU-PM(KD)) for disclosing a content key (KD), retrieves (KD(content)) from the medium, and applies the (KD) to the (KD(content)) for disclosing the content. COPYRIGHT: (C)2004,JPO

公开(公告)号：JP2004046833A

公开(公告)日：2004-02-12

申请号：JP2003167013

申请日：2003-06-11

Applicant: Microsoft Corp ,  マイクロソフト コーポレイションMicrosoft Corporation

Inventor： GANESAN KRISHNAMURTHY ,  DUBLISH PRATUL ,  SAHASRABUDHE SANDEEP ,  STROM CLIFFORD PAUL

IPC: G06F12/14 ,  G06F1/00 ,  G06F15/00 ,  G06F21/00 ,  G06Q10/00 ,  G06Q50/00 ,  H04L20060101 ,  H04L9/08 ,  H04L9/28 ,  H04L12/64 ,  G06F17/60

CPC classification number: G06F21/10

Abstract: PROBLEM TO BE SOLVED: To provide publishing of contents in a digital copyright management (DRM) method. SOLUTION: A packager packages digital contents for a user, while a licenser issues a digital license for the contents to the user so that the user renders the contents according to the license alone. The licenser and the packager share a secret so that they can calculate a contents key KD for the contents. The packager calculates the contents key KD on the basis of the shared secret and the contents ID and encrypts the contents according to the contents key for packaging the contents for the user. For issuing the license for the contents to the user, the licenser calculates the contents key KD on the basis of the shared secret and the contents ID, encrypts the contents key KD according to a public key of the user for forming the license, and transmits the license to the user. COPYRIGHT: (C)2004,JPO

公开(公告)号：WO0058859A3

公开(公告)日：2002-09-26

申请号：PCT/US0004949

申请日：2000-02-25

Applicant: MICROSOFT CORP

Inventor： PEINADO MARCUS ,  ABBURI RAJASEKHAR ,  ENGLAND PAUL ,  GANESAN KRISHNAMURTHY ,  BELL JEFFREY R C ,  BLINN ARNOLD N ,  JONES THOMAS C

IPC: G06F1/00 ,  G06F21/00 ,  G06Q20/36 ,  G06Q30/06 ,  H04L29/06 ,  G06F17/60

CPC classification number: G07F11/002 ,  G06F21/10 ,  G06F21/71 ,  G06F2211/007 ,  G06F2221/0797 ,  G06F2221/2105 ,  G06F2221/2137 ,  G06Q20/3678 ,  G06Q30/06 ,  H04L63/0442 ,  H04L63/068 ,  H04L63/0823 ,  H04L63/12 ,  H04L2463/101

Abstract: To obtain a digital license for rendering a piece of digital content, a license requestor contacts a license provider and sends a license request. The license provider checks the license request for validity and negotiates with the license requestor terms and conditions for the requested license. The license provider generates the requested license and issues the generated license to the license requestor.

Abstract translation: 为了获得一个数字内容的数字许可证，许可证请求者联系许可证提供者并发送许可证请求。 许可证提供商检查许可证请求的有效性，并与许可证请求者协商所请求的许可证的条款和条件。 许可证提供者生成请求的许可证，并向许可证请求者发出生成的许可证。

公开(公告)号：AU3007800A

公开(公告)日：2000-10-16

申请号：AU3007800

申请日：2000-02-25

Applicant: MICROSOFT CORP

Inventor： PEINADO MARCUS ,  ABBURI RAJASEKHAR ,  ENGLAND PAUL ,  GANESAN KRISHNAMURTHY ,  BELL JEFFREY R C ,  BLINN ARNOLD N ,  JONES THOMAS C

IPC: G06F1/00 ,  G06F21/00 ,  G06Q20/36 ,  G06Q30/06 ,  H04L29/06 ,  G06F17/00

Abstract: To obtain a digital license for rendering a piece of digital content, a license requester contacts a license provider and sends a license request. The license provider checks the license request for validity and negotiates with the license requestor terms and conditions for the requested license. The license provider generates the requested license and issues the generated license to the license requestor.

公开(公告)号：NO335039B1

公开(公告)日：2014-08-25

申请号：NO20032748

申请日：2003-06-17

Applicant: MICROSOFT CORP

Inventor： HELIN JONAS FREDRIK ,  GANESAN KRISHNAMURTHY ,  STROM CLIFFORD P

IPC: G06F12/14 ,  H04L9/14 ,  G06F1/00 ,  G06F21/00 ,  G06F21/30 ,  H04L20060101 ,  H04L9/00

Abstract: For å gjengi innhold på et medium fremskaffer en innretning en tabell fra mediet, fremskaffer en hemmelig nøkkel for innretningen (PR-PD), indekserer inn i en innføring i tabellen basert på dette, fremskaffer (PU-PD(RND)) fra den indekserte innføring i tabellen, og anvender (PR- PD) på PU-PD(RND)) for å eksponere en tilfeldig nøkkel (RND). Innretningen fremskaffer så (RND(PR- PM)) fra tabellen, anvender (RND) på (RND(PR-PM)) for å avdekke en hemmelig nøkkel for mediet (PR-PM), fremskaffer (PU-PM(KD)) fra lisensen, anvender (PR- PM) på (PU-PM(KD)) for å eksponere en innholdsnøkkel (KD), fremskaffer (KD(innhold) fra lagringsmediet, anvender (KD) på (KD(innhold)) for å eksponere innholdet.

公开(公告)号：CA2485763C

公开(公告)日：2012-06-26

申请号：CA2485763

申请日：2004-10-22

Applicant: MICROSOFT CORP

Inventor： POTRA ADRIAN ,  GANESAN KRISHNAMURTHY ,  HAN MU ,  BOBDE NIKHIL P

IPC: G06F9/46 ,  G06F9/54 ,  G06F9/38 ,  G06F15/00 ,  H04L12/24 ,  H04L29/06

Abstract: An architecture for an extensible real-time collaboration system is provided. The architecture presents a unified application program interface for writing application programs that use communications protocols. The architecture has activity objects, endpoint objects, and multiple media stacks. These objects may use various communications protocols, such as Session Initiation Protocol or Real-Time Transport Protocol to send and receive messages. The activity objects, endpoint objects, and multiple media stacks may each have one or more APIs that an application developer can use to access or provide collaboration-related functionality. These objects map the API to the underlying implementation provided by other objects. Using the activity objects enables a developer to provide less application logic than would otherwise be necessary to provide complex collaboration services.

公开(公告)号：BRPI0404468A

公开(公告)日：2005-06-21

申请号：BRPI0404468

申请日：2004-10-21

Applicant: MICROSOFT CORP

Inventor： CHITTURI AJAY P ,  OSTERGREN BRIAN H ,  BOBDE NIKHIL P ,  OSBORNE ROBERT J ,  BARKLEY WARREN VINCENT ,  POTRA ADRIAN ,  GANESAN KRISHNAMURTHY ,  HAN MU

IPC: G06F9/54 ,  G06F9/38 ,  G06F9/46 ,  G06F15/00 ,  H04L29/06

Abstract: An architecture for an extensible real-time collaboration system is provided. The architecture presents a unified application program interface for writing application programs that use communications protocols. The architecture has activity objects, endpoint objects, and multiple media stacks. These objects may use various communications protocols, such as Session Initiation Protocol or Real-Time Transport Protocol to send and receive messages. The activity objects, endpoint objects, and multiple media stacks may each have one or more APIs that an application developer can use to access or provide collaboration-related functionality. These objects map the API to the underlying implementation provided by other objects. Using the activity objects enables a developer to provide less application logic than would otherwise be necessary to provide complex collaboration services.

公开(公告)号：NO20032676L

公开(公告)日：2003-12-15

申请号：NO20032676

申请日：2003-06-12

Applicant: MICROSOFT CORP

Inventor： GANESAN KRISHNAMURTHY ,  DUBLISH PRATUL ,  SAHASRABUDHE SANDEEP ,  STROM CLIFFORD P

IPC: G06F12/14 ,  G06F1/00 ,  G06F15/00 ,  G06F21/00 ,  G06Q10/00 ,  G06Q50/00 ,  H04L20060101 ,  H04L9/08 ,  H04L9/28 ,  H04L12/64

公开(公告)号：AT369002T

公开(公告)日：2007-08-15

申请号：AT04024964

申请日：2004-10-20

Applicant: MICROSOFT CORP

Inventor： POTRA ADRIAN ,  GANESAN KRISHNAMURTHY ,  HAN MU ,  BOBDE NIKHIL P ,  CHITTURI AJAY P ,  OSTERGREN BRIAN H ,  OSBORNE ROBERT J ,  BARKLEY WARREN VINCENT

IPC: G06F9/54 ,  H04L29/06 ,  G06F9/38 ,  G06F9/46 ,  G06F15/00

Abstract: An architecture for an extensible real-time collaboration system is provided. The architecture presents a unified application program interface for writing application programs that use communications protocols. The architecture has activity objects, endpoint objects, and multiple media stacks. These objects may use various communications protocols, such as Session Initiation Protocol or Real-Time Transport Protocol to send and receive messages. The activity objects, endpoint objects, and multiple media stacks may each have one or more APIs that an application developer can use to access or provide collaboration-related functionality. These objects map the API to the underlying implementation provided by other objects. Using the activity objects enables a developer to provide less application logic than would otherwise be necessary to provide complex collaboration services.