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With the rapid development of various multimedia technologies, more and moremultimedia data are generated and transmitted in the medical, also the internetallows for wide distribution of digital media data. It becomes much easier toedit, modify and duplicate digital information. Besides that, digital documentsare also easy to copy and distribute, therefore it will be faced by manythreats. It is a big security and privacy issue, it become necessary to findappropriate protection because of the significance, accuracy and sensitivity ofthe information, which may include some sensitive information which should notbe accessed by or can only be partially exposed to the general users.Therefore, security and privacy has become an important. Another problem withdigital document and video is that undetectable modifications can be made withvery simple and widely available equipment, which put the digital material forevidential purposes under question. Cryptography considers one of thetechniques which used to protect the important information. In this paper athree algorithm of multimedia encryption schemes have been proposed in theliterature and description. The New Comparative Study between DES, 3DES and AESwithin Nine Factors achieving an efficiency, flexibility and security, which isa challenge of researchers.

New Comparative Study Between DES, 3DES and AES within Nine Factors