Digital image encryption scheme based on multiple chaotic systems

作者：Abd El Latif Ahmed A^*; Li Li; Zhang Tiejun; Wang Ning; Song Xianhua; Niu Xiamu

来源：Sensing and Imaging, 2012, 13(2): 67-88.

DOI：10.1007/s11220-012-0071-z

• Adjacent pixels
• Chaotic map
• Cryptographic primitives
• Cybercriminals
• Digital image
• Digital image encryption
• Encryption methods
• High sensitivity
• Home land security
• Image encryptions
• Modern processors
• Multiple chaotic systems
• Robust security
• Round key
• Secure transmission
• Uniform distribution

Image encryption is a challenging task due to the significant level of sophistication achieved by forgerers and other cybercriminals. Advanced encryption methods for secure transmission, storage, and retrieval of digital images are increasingly needed for a number of military, medical, homeland security, and other applications. In this paper, we introduce a new digital image encryption algorithm. The new algorithm employs multiple chaotic systems and cryptographic primitive operations within the encryption process, which are efficiently implemented on modern processors, and adopts round keys for encryption using a chaotic map. Experiments conducted show that the proposed algorithm possesses robust security features such as fairly uniform distribution, high sensitivity to both keys and plainimages, almost ideal entropy, and the ability to highly de-correlate adjacent pixels in the cipherimages. Furthermore, it has a large key space, which greatly increases its security for image encryption applications.

• 出版日期2012