Client-server system with security function intermediary
First Claim
Patent Images
1. A method for securing data communication between two computers, comprising the steps of:
- providing an intermediary device between the two computers; and
the intermediary device having at least one of predetermined security functions on behalf of one of the computers.
1 Assignment
0 Petitions
Accused Products
Abstract
An intermediary device ensuring high security and lightening load on a client in a client-server system is disclosed. The intermediary device is provided between the server and the client. The intermediary device has a management table for storing security information indicating at least one of server authentication, client authentication, and encryption and decryption, and session information regarding a session formed between the server and the client. The intermediary device performs appropriate security operation depending on a received message on behalf of the client.
129 Citations
44 Claims
-
1. A method for securing data communication between two computers, comprising the steps of:
-
providing an intermediary device between the two computers; and
the intermediary device having at least one of predetermined security functions on behalf of one of the computers. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 16, 17, 18, 19, 20, 21, 22, 23, 24, 26, 27, 28, 29, 30, 31)
-
-
15. A method for transferring data between a server and a client via an intermediary device, comprising the steps of:
at the intermediary device, a) storing in a management table security information indicating at least one security operation previously selected from server authentication, client authentication, and encryption and decryption, and session information regarding a session formed between the server and the client;
b) receiving a message from one of the client and the server; and
c) performing a security operation for the received message by referring to the management table.
-
25. A system for securing data communication between a server and a client, comprising:
an intermediary device between the server and the client, the intermediary device having at least one of a server authentication function, a client authentication function, and an encryption and decryption function on behalf of one of the computers.
-
32. A data communication system using a security protocol, comprising
a server; -
a client;
an intermediary device through which data is transferred between the server and the client, wherein the intermediary device comprises;
a management table for storing security information indicating at least one security operation previously selected from server authentication, client authentication, and encryption and decryption, and session information regarding a session formed between the server and the client; and
a processor section for performing a security operation for a received message by referring to the management table.
-
-
33. An intermediary device through which data is transferred between a server and a client, comprises:
-
A management table for storing security information indicating at least one security operation previously selected from server authentication, client authentication, and encryption and decryption, and session information regarding a session formed between the server and the client; and
a processor section for performing a security operation for a received message by referring to the management table. - View Dependent Claims (34, 35, 36, 37, 38, 39, 40, 41, 42)
-
-
43. A computer program instructing an intermediary device for transferring data between a server and a client, the program comprising the steps of:
-
a) storing in a management table security information indicating at least one security operation previously selected from server authentication, client authentication, and encryption and decryption, and session information regarding a session formed between the server and the client;
b) receiving a message from one of the client and the server; and
c) performing a security operation for the received message by referring to the management table.
-
-
44. A recording medium storing a computer program instructing an intermediary device for transferring data between a server and a client, the program comprising the steps of:
-
a) storing in a management table security information indicating at least one security operation previously selected from server authentication, client authentication, and encryption and decryption, and session information regarding a session formed between the server and the client;
b) receiving a message from one of the client and the server; and
c) performing a security operation for the received message by referring to the management table.
-
Specification