Storage-medium rental system
作者： Motoji Ohmori , Masaya Yamamoto , Masataka Minami
DOI:
关键词: Digital work 、 Computer security 、 Computer network 、 Semiconductor memory 、 Renting 、 Engineering 、 Key (cryptography) 、 Encryption
摘要: A storage-medium rental system includes a portable storage medium to be rented the user, semiconductor memory owned by rental-shop apparatus agent, and playback user. The prestores encrypted content generated encrypting digital work using encryption key. has an area f or securely storing decryption stores key for decrypting content. writes memory. reads from memory, medium, decrypts key, plays back decrypted
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