Double-bit unidirectional circular linked list encryption and decryption method based on stream ciphers

A one-way circulation, encryption and decryption technology, applied in encryption devices with shift registers/memory, usage of multiple keys/algorithms, digital transmission systems, etc. , the method is simple, the effect is easy to achieve

Inactive Publication Date: 2016-09-21
JILIN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Third, a lot of information transmitted on the Internet is unencrypted plaintext informa

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  • Double-bit unidirectional circular linked list encryption and decryption method based on stream ciphers
  • Double-bit unidirectional circular linked list encryption and decryption method based on stream ciphers
  • Double-bit unidirectional circular linked list encryption and decryption method based on stream ciphers

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Embodiment Construction

[0049] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments. The game interface behavior control system of the present invention is suitable for the development of stand-alone games, mobile games, web games and other games, especially for the processing of game interface behaviors realized in controlling role-playing games.

[0050] figure 1 Shown is a schematic diagram of encryption and decryption according to an embodiment of the present invention. The figure shows that the public key realizes the mutual conversion of plaintext and ciphertext, and the algorithm is the encryption or decryption algorithm and the corresponding restoration algorithm. Based on this figure, the encryption system quadruple (M (clear code), C (ciphertext), P (key), A (algorithm

[0051] )). M, C, P, A sets have the following cha...

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Abstract

The stream cipher-based double-bit one-way circular linked list encryption and decryption method of the present invention includes: opening up memory space, performing initialization and setting values ​​for setting; generating corresponding first pointers and second pointers; running an algorithm program to perform the first The pointer and the second pointer are shifted and read; the first pointer and the second pointer are traversed through the one-way circular linked list four times, and the ciphertext file is obtained according to the XOR result of the character bits pointed to by the first pointer and the second pointer. The decryption scheme of the present invention is consistent with the encryption method. The beneficial effects of the invention are: it is extremely difficult to decipher, easy to implement, and the security system is more secure. This encryption method is out-of-order encryption, which can be transmitted in the existing and open communication channels; it does not need auxiliary hardware equipment, and is completely realized by software; the key byte can be of any length, with the length of the key byte As it increases, its encryption complexity also increases.

Description

technical field [0001] The invention relates to an encryption and decryption method for a double-bit one-way circular linked list based on a stream cipher, and belongs to the field of digital communication technology and information encryption. Background technique [0002] After the Snowden incident, all countries have stepped up research and development efforts on their own information security. The reason why the United States can obtain the information content of other countries mainly has the following problems. [0003] First, the United States has the technological advantages in communication technology and the super user management rights of the Internet; [0004] Second, mail servers (relevant departments in the United States force mail server service providers to provide mail information), information passing through routers (relevant departments in the United States force communication service departments and communication equipment suppliers to provide informati...

Claims

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Application Information

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IPC IPC(8): H04L9/14H04L9/06
CPCH04L9/14H04L9/0656
Inventor 司玉娟郎六琪
Owner JILIN UNIV
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