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System and method for secure initial program load for diskless workstations
System and method for secure initial program load for diskless workstations
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机译:用于无盘工作站的安全初始程序加载的系统和方法
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摘要
A client workstation generates a network request for an initial program load. The request is serviced by a server which preferably includes in the reply to the client the addresses of an authentication server (AS), client, and a secure initial program load server (SECIPL). The client then requests an SECIPL service ticket from the AS, also sending a common identifier known to the AS and the client, preferably stored in the client ROM. This identifier is utilized by the AS to validate the ticket request as originating from a bona fide client, whereupon the ticket is provided by the AS to the client, the SECIPL service ticket is then presented by the client to the SECIPL server which then authenticates that the ticket is bona fide and was received by the client from the AS. The SECIPL then provides a secure kernel to the client, either encrypted with a key known to the SECIPL and client, or otherwise secured by a cryptographic checksum utilizing a key known to the client and the SECIPL. In this manner, the client workstation is thereby assured that an authenticated boot image has been received through potentially non-secure communication links.
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