Digital content protection system
作者： Shunji Harada , Masayuki Kozuka , Makoto Tatebayashi , Yutaka Nakamura
DOI:
关键词:
摘要: The media inherent key storing unit 220 prestores an Ki, the conversion 230 generates encrypted Ji from read 220, random number generating 331 a R1, encryption 252 S1, decryption 333 R'1 and mutual authentication control 334 compares with R1 and, if R'l matches judges that memory card 200 is authorized device. If writer have successfully authenticated each other, encrypts content using decrypted key. reader decrypts
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