Packet encrypted transmission, authentication method, device, client and firewall
A client and message technology, which is applied in the fields of devices, authentication methods, clients and firewalls, and message encryption and transmission, and can solve problems such as the impact of whitelist client and server security.
Active Publication Date: 2020-07-03
NEW H3C SECURITY TECH CO LTD
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[0004] However, in an actual network environment, the packets sent by the whitelist client may be maliciously tampered by illegal users, or the illegal user may forge the IP address of the whitelist client to send intrusion packets to the server, causing the whitelist client and server to the security of the
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[0040] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0041] In order to improve the security of the whitelist client and server, the embodiment of the present invention provides a message encryption sending, authentication method, device, client and firewall.
[0042] In the following, first, through the interaction process between the client and the firewall, the method for encrypted message sending and authentication provided by the embodiment of the present invention will be introduced.
[0043] The execution...
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The embodiment of the invention provides a message encryption sending and authentication method, a message encryption sending and authentication device, a client and a fireproof wall, wherein the message encryption sending and authentication method is applied to the client and includes steps of after confirming the permission of sending a to-be-sent message to a server, extracting a message load of the to-be-sent message; adding every secret key component in multiple preset positions in the message load to obtain the encrypted message, wherein the secret key component is the numerical value ofan appointed digit in the preset identification secret key corresponding to the client; sending the encrypted message to the fireproof wall so that the fireproof wall extracts the numerical value ofappointed digits at multiple preset positions in the message load of the encrypted message, and sequencing according to a preset line; sequencing multiple numerical values to obtain the identity secret key; if the identity secret key is consistent with the preset identity secret key corresponding to the client, confirming the success of the encrypted message authentication. Through the plan, the safety of the client and the server in a white list can be improved.
Description
technical field [0001] The invention relates to the technical field of network firewalls, in particular to a message encryption sending and authentication method, device, client and firewall. Background technique [0002] In the firewall system, black and white list rules are usually used to control the packets sent by the client. If the client is set as a blacklist client, the packets sent by the blacklist client will be blocked by the firewall, that is, prohibited The blacklist client sends a message to the server; if the client is set as a whitelist client, the message sent by the whitelist client will pass through first, and will not be blocked by the firewall, which greatly improves the security of the client. The security and speed of the terminal access server. [0003] For firewalls that use black and white list rules, a white list is often set. The white list stores the corresponding IP (Internet Protocol, Internet Protocol) address of the white list client. When t...
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IPC IPC(8): H04L29/06
CPCH04L63/02H04L63/0428H04L63/08
Inventor 岳炳词
Owner NEW H3C SECURITY TECH CO LTD