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 代理人
主权项
地址