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    • 10. 发明申请
    • IMAGE FORMING APPARATUS, COMPUTER READABLE MEDIUM AND MEDIUM
    • 图像形成装置,计算机可读介质和介质
    • US20090122983A1
    • 2009-05-14
    • US12138072
    • 2008-06-12
    • Masato TSUJI
    • Masato TSUJI
    • H04L9/06
    • G09C5/00H04N1/32128H04N1/32144H04N1/32203H04N1/32208H04N1/32325H04N2201/3205H04N2201/323H04N2201/3281
    • The image forming apparatus includes: a random number information generation part that generates random number information; a first encryption part that encrypts the random number information generated by the random number information generation part with using a first encryption key; a second encryption key generation part that newly generates a second encryption key from the random number information generated by the random number information generation part; a second encryption part that encrypts specific information for identifying the apparatus with using the second encryption key generated by the second encryption key generation part; a code data creation part that creates code data based on encrypted random number information encrypted by the first encryption part and encrypted specific information encrypted by the second encryption part; and an image forming part that forms a code image based on the code data created by the code data creation part on a recording medium.
    • 图像形成装置包括:随机数信息生成部,生成随机数信息; 第一加密部,其使用第一加密密钥对由随机数信息生成部生成的随机数信息进行加密; 第二加密密钥生成部,从由所述随机数信息生成部生成的随机数信息新生成第二加密密钥; 第二加密部,其利用由所述第二加密密钥生成部生成的所述第二加密密钥来加密用于识别所述装置的特定信息; 代码数据创建部,其基于由所述第一加密部加密的加密的随机数信息和由所述第二加密部加密的加密的特定信息,生成代码数据; 以及图像形成部,其基于由代码数据创建部在记录介质上创建的代码数据形成代码图像。