计算机工程与应用2019，Vol.55Issue(22)：180-186,7.DOI:10.3778/j.issn.1002-8331.1807-0230
改进Henon超混沌系统与AES结合的图像加密算法
Image Encryption Algorithm Based on Improved Henon Hyperchaotic System Combined with AES Algorithm
摘要
Abstract
Aiming at the disadvantages of AES(Advanced Encryption Standard)encryption algorithm in the field of image encryption, an image encryption algorithm based on improved Henon hyperchaotic system combined with AES algo-rithm is proposed. Firstly, the algorithm uses the four-dimensional Henon hyperchaotic system to produce hyperchaotic sequences. By introducing the average value of the pixels of the plaintext image as the parameters to intercept the hyper-chaotic sequence as the training sample of the BP neural network, and the nonlinear chaotic sequence obtained after the training is used as the goal key of the AES. Then, the target key is substituted into the AES encryption algorithm for two cycles of encryption to get the ciphertext. During each cycle of encryption, and the new S-boxes and round keys are gener-ated from the chaotic sequence, greatly increasing the randomness of the key. The simulation results show that the pro-posed algorithm can well combine the advantages of the algorithms, which can achieve good encryption effect.关键词
Henon超混沌系统/BP神经网络/AES加密算法/图像加密Key words
Henon hyperchaotic system/BP neural network/AES encryption algorithm/image encryption分类
信息技术与安全科学引用本文复制引用
王勇,杨锦,王瑛..改进Henon超混沌系统与AES结合的图像加密算法[J].计算机工程与应用,2019,55(22):180-186,7.基金项目
广东省创新载体建设项目(No.2013B09030008). （No.2013B09030008）
