By Borko Furht, Edin Muharemagic, Daniel Socek
Multimedia Encryption and Watermarking presents a complete survey of latest multimedia encryption and watermarking recommendations, which allow a safe alternate of multimedia highbrow estate.
Part I, electronic Rights administration (DRM) for Multimedia, introduces DRM thoughts and versions for multimedia content material defense, and offers the most important gamers. half II, Multimedia Cryptography, presents an summary of contemporary cryptography, with the focal point on glossy picture, video, speech, and audio encryption suggestions. This e-book additionally offers a sophisticated suggestion of visible and audio sharing ideas. half III, electronic Watermarking, introduces the idea that of watermarking for multimedia, classifies watermarking functions, and evaluates quite a few multimedia watermarking innovations and strategies, together with electronic watermarking recommendations for binary images.
Multimedia Encryption and Watermarking is designed for researchers and practitioners, in addition to scientists and engineers who layout and improve platforms for the safety of electronic multimedia content material. This quantity can be compatible as a textbook for graduate classes on multimedia security.
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Multimedia Encryption and Watermarking provides a entire survey of up to date multimedia encryption and watermarking options, which allow a safe trade of multimedia highbrow estate. half I, electronic Rights administration (DRM) for Multimedia, introduces DRM strategies and types for multimedia content material defense, and offers the main gamers.
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Extra resources for Multimedia Encryption and Watermarking
By connecting to a medical imaging database system, the experts, even the ones from remote areas, can instantaneously receive and review relevant medical images using the power of image coding and image retrieval techniques. However, many multimedia distribution networks are open public channels and, as such, are highly insecure. An eavesdropper can conveniently intercept and capture the sensitive and valuable multimedia content traveling in a public channel. Fortunately, the magic art of cryptography can help prevent this.
The generated sequence of symbols is called a keystream. In any stream cipher, the same alphabet (set of symbols) is used to represent plaintext, ciphertext and keystream. In most cases, the alphabet consists of binary digits and a stream cipher generates a pseudorandom sequence of bits. Encryption is achieved by applying modular addition of plaintext symbols with keystream symbols where the modulus is the size of alphabet. Naturally, decryption is realized by subtracting the keystream symbols from the ciphertext symbols modulo the size of alphabet.
However, the way in which cryptography is implemented and the way in which it is integrated into the entire system determines whether the system is secure or not. For that reason, complex secure systems are often extremely difficult to design. In most cases, the real world attacks on security systems exploit incorrect implementation and false assumptions. There are few real-life examples of successful attacks on the cryptosystem itself. Unfortunately, security of the entire system is in jeopardy when only one weakness exists.
Multimedia Encryption and Watermarking by Borko Furht, Edin Muharemagic, Daniel Socek