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Title:
An Encryption Algorithm and Key-stream Generator for Chinese Text Messages by Character Internal Code Structure
Authors: Tak-Ming Law
Abstract:This paper proposes an algorithm to encipher the Chinese plaintext message written in Big-5/GB Chinese character internal codes. Unlike the ordinary ciphers, the Crypto-key of our proposed algorithm consists of a pair of formulas and a set of parameter values. The senders can formulate and compose their own unique formulas and parameters for encryption. According to the character internal code structure, we apply the formulas in a Key-stream generator to encipher the Chinese plaintext message. Since the proposed stream generator does not contain permanent encryption and decryption operations, the opponents are inadequate to predict the forms of its output (ciphertext). Experiment results show that the proposed algorithm achieves the data secrecy.
ePrint: https://eprint.iacr.org/2000/006
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