Virtual distributed security system

• US 7,809,938 B2
• Filed: 10/20/2005
• Issued: 10/05/2010
• Est. Priority Date: 10/16/2001
• Status: Expired due to Fees

• Current Assignee: Microsoft Technology Licensing LLC (Microsoft Corporation)
• Original Assignee: Microsoft Corporation
• Inventors: Shewchuk, John P., Kaler, Christopher G., Leach, Paul J., Della-Libera, Giovanni M., Rashid, Richard F., Lucco, Steven E., Lovering, Bradford H., Millet, Stephen J., Konersmann, Scott A., Lampson, Butler W.
• Primary Examiner(s): Homayounmehr; Farid
• Application Number:
  US11/254,545
• Publication Number:
  US 20060253700A1
• Time in Patent Office: 1,811 Days
• Field of Search: 713/151
• US Class Current: 713/151
• CPC Class Codes: G06Q 20/3676 Balancing accounts
• CPC Class Codes: H04L 63/08 for authentication of entities cryptographic mechanisms or cryptographic arrangements for entity authentication H04L9/32
• CPC Class Codes: H04L 63/10 for controlling access to devices or network resources
• CPC Class Codes: H04L 63/168 above the transport layer
• CPC Class Codes: H04L 63/20 for managing network security; network security policies in general filtering policies H04L63/0227
• CPC Class Codes: H04L 67/02 based on web technology, e.g. hypertext transfer protocol [HTTP]
• CPC Class Codes: H04L 67/56 Provisioning of proxy services store-and-forward switching systems in data switching networks H04L12/54
• CPC Class Codes: H04L 67/561 Adding application-functional data or data for application control, e.g. adding metadata
• CPC Class Codes: H04L 67/565 Conversion or adaptation of application format or content adding application control or application functional data H04L67/561

Abstract

A distributed security system is provided. The distributed security system uses a security policy that is written in a policy language that is transport and security protocol independent as well as independent of cryptographic technologies. This security policy can be expressed using the language to create different security components allowing for greater scalability and flexibility. By abstracting underlying protocols and technologies, multiple environments and platforms can be supported.

Claims

1. In a distributed computing system environment that includes a plurality of computing devices that each comprise a processor and system memory, a method of transmitting a message within a generic security framework, wherein the generic security framework is architecture, transport, and cryptographic technology independent, the method comprising:

receiving from a first entity a message addressed to a second entity, wherein the message is transported with a first transport and formatted in accordance with a first cryptographic technology;

determining that the message is to be transmitted to the second entity;

a processor identifying a second transport and a second cryptographic technology required by the second entity from a modular security policy, wherein the modular security policy;

establishes security rules and procedures of the generic security framework;

implements a security policy of the generic security framework with one or more protocols and transports; and

describes security aspects, including properties, capabilities, requirements and interaction semantics, of a plurality of modular security components which define behaviors corresponding to use of transports and cryptographic technologies by the first and second entities and which are written in a security policy language as selectable, deployable and combinable security modules thereby enabling the modular security components to be negotiated, partitioned and modified, rather than being hard-coded, and which include;

an identity component for authenticating a principal and providing authoritative proof of identity;

an admission component for mapping external credentials to internal credentials;

a permission component for pre-fetching rights, capabilities and access control information; and

a store component for storing, retrieving, encrypting, and managing credentials; and

transmitting the message to the second entity using the transport and cryptographic technology required by the second entity.

2. The method of claim 1, wherein:

the security policy identifies access rights of the security system.

3. The method of claim 1, wherein:

the security policy language comprises the extensible markup language.

4. The method of claim 1, wherein:

the security policy is configurable.

5. The method of claim 1, wherein:

the security policy language comprises at least some logic-based components.

6. The method of claim 1, wherein:

the security policy language comprises at least some rule-based components.

7. The method of claim 1, wherein:

the security policy language comprises procedural components.

8. The method of claim 1, wherein the security policy includes a revocation service.

9. The method of claim 1, wherein the security policy includes a mapping of entities to rights.

10. The method of claim 9, wherein the security policy further includes a mapping of entities to capabilities.

11. A computer program product for use at a computer system, the computer program product for implementing a method for transmitting a message within a generic security framework, wherein the generic security framework is architecture, transport, and cryptographic technology independent, the computer program product comprising one or more computer-readable storage device having stored thereon computer-executable instructions that, when executed at a processor, cause the computer system to perform the method, including the following:

receive from a first entity a message addressed to a second entity, wherein the message is transported with a first transport and formatted in accordance with a first cryptographic technology;

determine that the message is to be transmitted to the second entity;

identify a second transport and a second cryptographic technology required by the second entity from a modular security policy, wherein the modular security policy;

establishes security rules and procedures of the generic security framework;

implements a security policy of the generic security framework with one or more protocols and transports; and

describes security aspects, including properties, capabilities, requirements and interaction semantics, of a plurality of modular security components which define behaviors corresponding to use of transports and cryptographic technologies by the first and second entities and which are written in a security policy language as selectable, deployable and combinable security modules thereby enabling the modular security components to be negotiated, partitioned and modified, rather than being hard-coded, and which include;

an identity component for authenticating a principal and providing authoritative proof of identity;

an admission component for mapping external credentials to internal credentials;

a permission component for pre-fetching rights, capabilities and access control information; and

a store component for storing, retrieving, encrypting, and managing credentials; and

transmit the message to the second entity using the transport and cryptographic technology required by the second entity.

12. The computer program product of claim 11, wherein:

the security policy identifies access rights of the security system.

13. The computer program product of claim 11, wherein:

the security policy language comprises the extensible markup language.

14. The computer program product of claim 11, wherein:

the security policy is configurable.

15. The computer program product of claim 11, wherein:

the security policy language comprises at least some logic-based components.

16. The computer program product of claim 11, wherein:

the security policy language comprises at least some rule-based components.

17. The computer program product of claim 11, wherein:

the security policy language comprises procedural components.

18. The computer program product of claim 11, wherein the security policy includes a revocation service.

19. The computer program product of claim 11, wherein the security policy includes a mapping selected from among the list of:

(a) a mapping of entities to rights and (b) a mapping of entities to capabilities.

20. A computer system, the computer system comprising:

one or more processors;

system memory; and

one or more computer-readable storage media having stored thereon computer-executable instructions representing a virtual distributed security system, wherein the virtual distributed security system is configured to;

receive from a first entity a message addressed to a second entity, wherein the message is transported with a first transport and formatted in accordance with a first cryptographic technology;

determine that the message is to be transmitted to the second entity;

identify a second transport and a second cryptographic technology required by the second entity from a modular security policy, wherein the modular security policy;

establishes security rules and procedures of a generic security framework;

implements a security policy of the generic security framework with one or more protocols and transports; and

describes security aspects, including properties, capabilities, requirements and interaction semantics, of a plurality of modular security components which define behaviors corresponding to use of transports and cryptographic technologies by the first and second entities and which are written in a security policy language as selectable, deployable and combinable security modules thereby enabling the modular security components to be negotiated, partitioned and modified, rather than being hard-coded, and which include;

an identity component for authenticating a principal and providing authoritative proof of identity;

an admission component for mapping external credentials to internal credentials;

a permission component for pre-fetching rights, capabilities and access control information; and

a store component for storing, retrieving, encrypting, and managing credentials; and

transmit the message to the second entity using the transport and cryptographic technology required by the second entity.