摘要:
Described is using a client-side account selector in a passive authentication protocol environment (such as OpenID) in which a relying party website trusts the authentication response from an identity provider website. The account selector may access and maintain historical information so as to provide user-specific identity provider selection options (rather than only general identity provider selection options). The account selector is invoked based upon an object tag in the page, e.g., as invoked by a browser extension associated with that particular object tag. The account selector may communicate with a reputation service to obtain reputation information corresponding to the identity providers, and vary its operation based upon the reputation information.
摘要:
A system and method for authenticating a request for a resource. A requester sends the request for a resource to a server in a first protocol. The server may send a challenge message to the requester. In response, the requester employs a challenge handler that performs an interactive challenge with a challenge server in a second protocol. Upon successful conclusion of the interactive challenge, the challenge handler synchronizes with a request handler, which sends a challenge response message to the server. The server may then enable access to the requested resource.
摘要:
An application programming interface (API) may receive high level file commands and implement those commands using the storage mechanism on a smart card. The smart card may have a processor and storage mechanism and may communicate to a host device using a packet based communication protocol, such as ADPU. The API may translate the high level file commands into one or more ADPU commands, communicate with the smart card, receive APDU responses, and translate the responses into high level file commands. A high level file command may allow access to a file using long file names, a hierarchical directory structure, and may allow creating, writing, reading, and deleting a file. Some embodiments may have more complex functions for navigating and manipulating a hierarchical directory structure, as well as defining metadata including access privileges and file types to individual files.
摘要:
A cryptographic session key is utilized to maintain security of a digital identity. The session key is valid only for a limited period of time. Additional security is provided via a bimodal credential allowing different levels of access to the digital identify. An identity token contains pertinent information associated with the digital identity. The identity token is encrypted utilizing public-key cryptography. An identifier utilized to verify the validity of the digital identity is encrypted with the cryptographic session key. The encrypted identity token and the encrypted identifier are provided to a service for example. The service decrypts the encrypted identity token utilizing public key cryptography, and decrypts, with the cryptographic session key obtained from the identity token, the encrypted identifier. If the identifier is determined to be valid, the transaction proceeds normally. If the identifier is determined to be invalid, the transaction is halted.
摘要:
A federated identity provisioning system includes relying parties, identity providers, and clients that obtain tokens from identity providers for access to a relying party's services. When a client contacts a new relying party, the relying party provides information that the client can independently resolve and evaluate for trustworthiness. For example, the relying party provides a generic domain name address. The client can then resolve the domain name address over various, authenticated steps to identity an endpoint for a digital identity provisioning service. The client can further interact with and authenticate the provisioning service (e.g., requiring digital signatures) to establish a trust relationship. Once determining that the client/user trusts the provisioning service, the client/user can then provide information to obtain a digital identity representation. The client can then use the digital identity representation with the corresponding identity provider to obtain one or more tokens that the relying party can validate.
摘要:
A server provisions a client with digital identity representations such as information cards. A provisioning request to the server includes filtering parameters. The server assembles a provisioning response containing cards that satisfy the filtering parameters, and transmits the response to a client, possibly by way of a proxy. The provisioning response may include provisioning state information to help a server determine in subsequent exchanges which cards are already present on the client. A client may keep track the source of information cards and discard cards which a server has discarded. A proxy may make the provisioning request on behalf of a client, providing the server with the proxy's own authentication and with a copy of the request from the client to the proxy.
摘要:
Obtaining tokens with alternate personally identifying information. A method may be practiced, for example, in a networked computing environment including a client and a token issuer. The token issuer provides security tokens to the client that the client can use for accessing functionality of services in the networked computing environment. The method includes sending a security token request to a token issuer. The security token request specifies alternate personally identifying information for an entity. The method further includes receiving a security token from the security token issuer. The security token includes the alternate personally identifying information.
摘要:
A system and method for managing the creation of objects in a distributed directory service system assigns quotas to entities (such as users, computers, groups) to limit the number of objects each entity is allowed to create and own. For purposes of enforcing the quotas, tombstones generated for deleted objects are taken into account in the calculation of a weighted total number of objects owned by an entity, with each tombstone counted as a configurable fraction of a regular object. When an entity requests a directory operation that will increase the number of objects owned by that entity, the number of system objects owned by that entity is added to the number of tombstones multiplied by the fractional tombstone factor to generate the weighted total, which is compared to the quota of that entity to determine when the requested operation should be performed.
摘要:
Methods of manufacturing a semiconductor device. One method includes the steps of: (1) providing a substrate over which is to be deposited a metal silicide layer having a stoichiometric ratio within a desired range, (2) providing a target composed of a metal silicide, the target subject to degradation by reason of use, (3) sputtering atoms from the target to form the metal silicide layer over the substrate, the stoichiometric ratio subject to being without the desired range by reason of the degradation of the target and (4) depositing a predetermined amount of silicon on the metal silicide layer to return the stoichiometric ratio to within the desired range, a useful life of the target thereby increased.
摘要:
A policy that governs access to a resource may be tested against real-world access requests before being used to control access to the resource. In one example, access to a resource is governed by a policy, referred to as an effective policy. When the policy is to be modified or replaced, the modification or replacement may become a test policy. When a request is made to access the resource, the request may be evaluated under both the effective policy and the test policy. Whether access is granted is determined under the effective policy, but the decision that would be made under the test policy is noted, and may be logged. If the test policy is determined to behave acceptably when confronted with real-world access requests, then the current effective policy may be replaced with the test policy.