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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0917767 (1992-07-21) |
| 발명자 / 주소 |
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| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 459 인용 특허 : 0 |
A distributed computer system has a number of computers coupled thereto at distinct nodes. The computer at each node of the distributed system has a trusted computing base that includes an authentication agent for authenticating requests received from principals at other nodes in the system. Request
A distributed computer system has a number of computers coupled thereto at distinct nodes. The computer at each node of the distributed system has a trusted computing base that includes an authentication agent for authenticating requests received from principals at other nodes in the system. Requests are transmitted to servers as messages that include a first identifier provided by the requester and a second identifier provided by the authentication agent of the requester node. Each server process is provided with a local cache of authentication data that identifies requesters whose previous request messages have been authenticated. When a request is received, the server checks the request\s first and second identifiers against the entries in its local cache. If there is a match, then the request is known to be authentic. Otherwise, the server node\s authentication agent is called to obtain authentication credentials from the requester\s node to authenticate the request message. The principal identifier of the requester and the received credentials are stored in a local cache by the server node\s authentication agent. The server process also stores a record in its local cache indicating that request messages from the specified requester are known to be authentic, thereby expediting the process of authenticating received requests.
In a distributed computer system having a multiplicity of interconnected computers, security apparatus comprising: a plurality of processes, each process running on one of said multiplicity of computers, said plurality of processes including requester processes and server processes; secure channels
In a distributed computer system having a multiplicity of interconnected computers, security apparatus comprising: a plurality of processes, each process running on one of said multiplicity of computers, said plurality of processes including requester processes and server processes; secure channels connecting ones of said multiplicity of computers on which respective ones of said requester processes are running to second ones of said multiplicity of computers on which respective ones of said server processes are running; and a multiplicity of authenticating agents, each running in a trusted computing base on a different one of said multiplicity of interconnected computers; one of said multiplicity of authenticating agents, running on one of said multiplicity of computers having at least one server process running thereon, including: local cache means for maintaining data identifying previously authenticated requests from ones of said requester processes running on other ones of said multiplicity of interconnected computers; and received request authenticating means for authenticating, on behalf of said at least one server process, a received request when data in said received request match said data maintained by said local cache means, for obtaining credentials authenticating said received request when said first data in said received request does not match said data maintained by said local cache means, and for enabling said at least one server process to process said received request only after said received request has been authenticated.
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