发明名称 |
INFORMATION PROCESSING APPARATUS, METHOD, AND PROGRAM, AND RECORDING MEDIUM |
摘要 |
<P>PROBLEM TO BE SOLVED: To prevent copy and alteration of a program in the case that the program is loaded into an information processing apparatus like an image forming apparatus by using a storage medium in which the program is stored. <P>SOLUTION: The information processing apparatus includes a recording medium setting means in which a recording medium is set. The information processing apparatus includes a validity determination means for determining validity of the program by determining validity of validity determination data with respect to the storage medium wherein the program and validity determination data for validity determination of the program are stored, and the validity determination means determines the validity of the validity determination data on the basis of a first comparison between a hash code generated from the program and a hash code obtained by decoding the validity determination data and a second comparison between machine specific data that is specific to the information processing apparatus and machine specific data obtained by decoding the validity determination data. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
申请公布号 |
JP2005301968(A) |
申请公布日期 |
2005.10.27 |
申请号 |
JP20040230105 |
申请日期 |
2004.08.06 |
申请人 |
RICOH CO LTD |
发明人 |
AKIYOSHI KUNIHIRO;SHIMIZU KOJI |
分类号 |
G06F21/24;G06F1/00;G06F12/14;G06F21/00;G06F21/22;G06K17/00;H04L9/00;H04N1/00;H04N1/32 |
主分类号 |
G06F21/24 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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