Network communication data combined encryption transmission method based on network safety isolation technology
A network security and network communication technology, which is applied in the field of network communication data combined encrypted transmission, can solve the problems of high security that have not yet been applied, and achieve the effects of eliminating system untrustworthiness, ensuring credibility, reducing complexity and manufacturing costs
Active Publication Date: 2019-02-01
何书霞
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Problems solved by technology
[0005] At present, network isolation devices such as optical gates and network gates in this technical field are mostly used to build internal trusted networks and exchange data with external networks. Their high security has not been applied to the field of network communication data encryption transmission. local network of letters
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[0030] The network communication equipment referred to in the present invention is a general term. The equipment with network communication data transmission function is all network communication equipment. For the composition of the relevant network communication data combined encryption transmission system, refer to figure 1 And refer to the technical solution, no further description.
[0031] It should be noted:
[0032]The first network includes modules or devices that are isolated from the external network in the first network security isolation device, which means that the first key group can be stored in these modules or devices, and also the network communication data combination encryption process described in the present invention is performed by the first The encryption and decryption of communication data sent by a network communication device or sent to the first network communication device can also be completed by these modules or devices;
[0033] The second n...
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The invention discloses a network communication data combined encryption transmission method based on network safety isolation technology. A first network safety isolation device is respectively connected with a first network and an external network, a second network safety isolation device is respectively connected with a second network and the external network, ..., the N-th network safety isolation device is respectively connected with a N-th network and the external network, and N is natural and positive integer greater than and equal to 2; the first network comprises first network communication equipment and a first secret key group, the second network comprises second network communication equipment and a second secret key group, and in a similar way, the N-th network comprises N-thnetwork communication equipment and a N-th secret key group. Through the method disclosed by the invention, the malicious attack from the external network is isolated, and the local safety and credible network is established; even if loopholes are existent in both communication parties or the network located by both communication parties, the malicious attack still cannot touch the communication data encryption / decryption process and the secret key groups, the communication data encryption can be guaranteed by adopting an AES advanced encryption algorithm or RSA encryption algorithm and the secret key above 128 bits, thereby ensuring the credibility of the encryption transmission.
Description
technical field [0001] The invention relates to the field of methods for encrypted transmission of network communication data, in particular to a combined encrypted transmission method of network communication data based on network security isolation technology. Background technique [0002] Network communication data encryption transmission technology is the cornerstone of trusted network communication data transmission. The secret key used in network communication data encryption transmission is the core of security protection in the process of trusted network communication data transmission. High-complexity secret keys cooperate with sufficient strength encryption Algorithms, such as using a secret key of more than 128 bits and using the AES advanced encryption algorithm or RSA encryption algorithm at the same time, can ensure that the encrypted transmission of network communication data cannot be cracked within an effective time, but usually the two parties in the network...
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IPC IPC(8): H04L29/06H04L9/30H04L9/06
CPCH04L9/0631H04L9/302H04L63/02H04L63/0435H04L63/0442
Inventor 何书霞
Owner 何书霞