Inskeep IP Group, Inc.
Sequential encryption method based on multi-key stream ciphers
The invention discloses a sequential encryption method based on multi-key stream ciphers, comprising the following steps of: acquiring plaintext data, and storing the acquired plaintext data in the form of a circular linked list; storing a plurality of key sequences in the form of a circular linked list, respectively; performing a bitwise operation on the key sequences according to a specified starting bit to generate a stream random sequence; and, reconstructing the plaintext data according to the stream random sequence to generate encrypted ciphertext data. The method of the invention is simple in encryption and decryption, difficult to decipher, easy to implement by a computer without auxiliary hardware devices, fast in encryption and decryption speed, strong in the diffusion property of the generated ciphertext, and good in anti-interception performance and the like.
Zhuhai College of Jilin University
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Liuqi Jialiang Guanghui Yujuan
Lang Chen Feng Si