Researchers identified what they believe is the first documented case of a ransomware operation, JadePuffer, conducted ...

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Abstract: A new 2D hyperchaotic mapping is designed based on 2D discrete mapping, featuring two positive Lyapunov exponents, enhanced randomness, and initial offset boosting. Subsequently, an image ...

Abstract: With the development of the Internet of Things (IoT) and communication technologies, multimedia information has become an essential part of communication. As a carrier with high information ...