Microsoft Technology Licensing, LLC

Microsoft Corporation

Donald E Schmidt

Praerit Garg

Kahren Tevosyan

Jeffrey F Spelman

Ryan D Johnson

Paul J Leach

Richard Bruce Ward

Murli D Satagopan

John E Brezak

Clifford P Van Dyke

David R Mowers

Karthik Jaganathan

Vijayavani Nori

Cliff Van Dyke

Matthew Hur

Mark Pustilnik

Roy A Leban

Ram Viswanathan

Daniel Doubrovkine

Krishnanand K Shenoy

Harini Raghavan

Daniel Microsoft Corporation International Patents Doubrovkine

Ram Microsoft Corporation International Patents Viswanathan

Roy Leban

A selective cross-realm authenticator associates an identifier with a request from an entity authenticated in one realm to access a resource associated with a second realm. The identifier indicates that the entity was authenticated in a realm other than the realm associated with the requested resource. A domain controller associated with the resource performs an access check to verify that the authenticated user is authorized to authenticate to the requested resource. Permissions associated with the resource can be used to specify levels of access to be granted to entities authenticated by a domain controller associated with another realm.

Selective cross-realm authentication

Systems and methods directed at enhancing the capability of a federated authentication system by configuring the system with extensibility points for adding new account stores and customizing claim transformations. The federated authentication system includes accounts stores, a security token service (STS), and custom claim transformation modules. The account stores are configured to maintain data associated with accounts and to provide security claims in an intermediate format. The STS is configured to retrieve the security claims provided by the account stores and includes built-in transformations for transforming each security claim from the intermediate format to formats associated with resource providers. The STS is further configured to provide extensibility points for custom claim transformations that are not available from the built-in transformations. The custom claim transformation modules are configured to perform at least one custom claim transformation. Each custom claim transformation module is further configured to interact with the STS through at least one of the extensibility points. The STS may be configured to provide extensibility points for interacting with account stores that the STS does not explicitly recognize.

Extensible account authentication system

Systems and methods directed at transforming security claims in a federated authentication system using an intermediate format. The systems and methods described herein are directed at transforming security claims in a federated authentication system using an intermediate format. The federated authentication system includes an identity provider and a resource provider. The identity provider receives a request for information from the resource provider to authenticate an account by an application associated with the resource provider. A security claim associated with the account is retrieved where the security claim is provided by an account store in a format specific to the account store. The security claim is transformed from the account store specific format to an intermediate format. The security claim is then transformed from the intermediate format to a federated format recognized by the resource provider. The transformed security claim is provided in a security token to the resource provider. A similar two step transformation process using intermediate claims can also be implemented by the resource provider to transform security claims provided by an identity provider from a federated format to formats recognized by the applications.

Security claim transformation with intermediate claims

The described systems, methods, and data structures are directed at data transfer using Hyper-Text Transfer Protocol (HTTP) query strings. A block of data is partitioned into sections. Each section is encoded in a query string of a HTTP message. Each HTTP message is sent to a server by redirecting through a client. Multiple redirected messages are sent until the entire block of data is transferred to the server. The data block may be stored as a cookie on the client so that the data block does not have to persist on any server. Data transfer using HTTP query strings may be implemented to transfer a security token from a security token service (STS) server to an application server.

Data transfer using hyper-text transfer protocol (HTTP) query strings

Methods and systems are provided for controlling the scope of delegation of authentication credentials within a network environment. A server is configured to provide a trusted third-party with a ticket authenticating the server, information about a target service that a server seeks to access on behalf of the client, and a service ticket associated with the client. This service ticket may be provided by the client or may be a previously granted service ticket granted to the server for itself in the name of the client. The trusted third-party grants a new service ticket to access the target service to the server, in the client's name, if such delegation is permitted according to delegation constraints associated with the client.

Methods and systems for controlling the scope of delegation of authentication credentials

An enterprise network architecture has a trust link established between two autonomous network systems that enables transitive resource access between network domains of the two network systems. The trust link is defined by data structures maintained by each of the respective network systems. The first network system maintains namespaces that correspond to the second network system and a domain controller in the first network system, or a first network system administrator, indicates whether to trust individual namespaces. An account managed by a domain in the second network system can request authentication via a domain controller in the first network system. The first network system determines from the trust link to communicate the authentication request to the second network system. The first network system also determines from the trust link where to communicate authorization requests when administrators manage group memberships and access control lists.

Authentication and authorization across autonomous network systems

A system for authenticating computer users comprising a single active directory disposed in an intranet, a web server disposed in a DMZ associated with the intranet, and a web client coupled to the web server through an internet connection that is capable of signing on to the web server.

Providing tokens to access extranet resources

Methods and systems are provided to allow users that are authenticated by a trusted external service to gain controlled levels of access to selected local computing resources without requiring the user to also have conventional access control capabilities for the resources.

Persistent authorization context based on external authentication

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Redmond, WA, United States of America

Donald E Schmidt