Microsoft Technology Licensing, LLC

Alexander A Armanasu

Anthony Dean Andrews

Brian C Beckman

Satish Ramchandra Thatte

Richard Douglas Hill

Rebecca Ann Norlander

An object-based security framework provides for intra-process security boundaries. An application developer can define security settings declaratively at the object, interface, and method level using a graphical interface. When the application is deployed, the settings are placed into a central store and can be modified at a later time. At runtime, logic outside the application objects enforces the security boundaries, relieving the developer of having to incorporate security logic into the application. Changes to the security can be implemented by changing the settings without having to change the application objects. In addition to checking for identity, the security framework supports roles and enforces specified authentication levels. The integrity of an application's security scheme is retained when the application is combined with another application in the framework.

Object security boundaries

An object-based security framework provides automatic caller chain building to track the identity of upstream callers. An application developer can define impersonation settings declaratively using a graphical interface. At runtime, logic outside the application objects handles the caller chain and impersonation, relieving the developer from having to incorporate impersonation logic into the application. A group of special identities are permitted to provide identities of others without themselves being recorded in the chain when the chain traverses a method invocation queue. The framework supports a copy style for the chain to support various caller scenarios. Additionally, a minimum authentication level can be enforced throughout the chain. The caller chain can be used in conjunction with roles, and objects may consult the chain programmatically to enforce a custom security scheme.

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Alexander A Armanasu