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    • 4. 发明申请
    • Program conversion device, and secret keeping program
    • 程序转换装置,秘密保存程序
    • US20090217008A1
    • 2009-08-27
    • US11918785
    • 2006-04-21
    • Taichi SatoMotoji OhmoriRieko AsaiYuichi FutaTomoyuki HagaMasahiro Mambo
    • Taichi SatoMotoji OhmoriRieko AsaiYuichi FutaTomoyuki HagaMasahiro Mambo
    • G06F9/302G06F9/30
    • G06F21/54G06F21/125G06F21/14
    • Provided is a program conversion apparatus for generating a secret holding program, which disables a malicious analyzer from analyzing the an original program easily.The program conversion apparatus generates a first instruction group for acquiring values to assign to selection parameters; a second instruction group that includes an instruction group for acquiring, based on an arithmetic expression that uses the selection parameters, a selection identifier showing a selection-target data piece to be processed next; a third instruction group for updates a value of each selection parameter so as to reflect one of (a) a selection identifier showing one of the selection-target data pieces that has already been processed, and (b) at least one of one or more values that have already been assigned to the selection parameters; and selection-target data pieces that, by processing in a predetermined order, output an execution result identical to a result of the original program, each of the selection-target data pieces being in correspondence with a different selection identifier. The program conversion apparatus generates the secret holding program so as to include the first instruction group, the second instruction group, the third instruction group and the selection-target data pieces.
    • 提供了一种用于生成秘密保持程序的程序转换装置,其禁止恶意分析器容易地分析原始程序。 程序转换装置生成用于获取分配给选择参数的值的第一指令组; 第二指令组,其包括用于基于使用所述选择参数的算术表达式获取示出接下来要处理的选择目标数据块的选择标识符的指令组; 第三指令组,用于更新每个选择参数的值,以便反映(a)表示已经被处理的选择目标数据段之一的选择标识符之一,以及(b)一个或多个 已经分配给选择参数的值; 以及选择目标数据,通过按预定顺序处理,输出与原始程序的结果相同的执行结果,每个选择对象数据段与不同的选择标识符相对应。 程序转换装置生成秘密保持程序,以包括第一指令组,第二指令组,第三指令组和选择目标数据。
    • 5. 发明授权
    • Program illegiblizing device and method
    • 程序非法化装置和方法
    • US08312297B2
    • 2012-11-13
    • US11918904
    • 2006-04-21
    • Taichi SatoMotoji OhmoriRieko AsaiYuichi FutaTomoyuki HagaMasahiro Mambo
    • Taichi SatoMotoji OhmoriRieko AsaiYuichi FutaTomoyuki HagaMasahiro Mambo
    • G06F21/00
    • G06F21/14
    • A program obfuscating device for generating obfuscated program from which unauthorized analyzer cannot obtain confidential information easily. The program obfuscating device stores original program that contains authorized program instructions and confidential process instruction group containing confidential information that needs to be kept confidential, generates process instructions which, when executed in predetermined order, provide same result, with execution of last process instruction thereof, as the confidential process instruction group, inserts the process instructions into the original program at position between start of the original program and the confidential process instruction group so as to be executed in the predetermined order, in place of the confidential process instruction group, generates dummy block as dummy of the process instructions, and inserts the dummy block and control instruction, which causes the dummy block to be bypassed, into the original program, and inserts branch instruction into the dummy block.
    • 一种用于产生混淆程序的程序混淆装置,从而使未经授权的分析仪不能容易地获得机密信息。 程序模糊处理装置存储包含授权程序指令的原始程序和包含需要保密的机密信息的机密处理指令组,生成处理指令,当以预定顺序执行时,执行其最后处理指令, 作为机密处理指令组,代替机密处理指令组,将处理指令插入到原始程序开始之间的位置和机密处理指令组之间以便以预定顺序执行的处理指令,生成伪代码 块作为处理指令的虚拟,并将使块旁路的虚拟块的伪块和控制指令插入到原始程序中,并将分支指令插入到虚拟块中。
    • 6. 发明申请
    • Program illegiblizing device and method
    • 程序非法化装置和方法
    • US20090083521A1
    • 2009-03-26
    • US11918904
    • 2006-04-21
    • Taichi SatoMotoji OhmoriRieko AsaiYuichi FutaTomoyuki HagaMasahiro Mambo
    • Taichi SatoMotoji OhmoriRieko AsaiYuichi FutaTomoyuki HagaMasahiro Mambo
    • G06F9/30
    • G06F21/14
    • A program obfuscating device for generating obfuscated program from which unauthorized analyzer cannot obtain confidential information easily. The program obfuscating device stores original program that contains authorized program instructions and confidential process instruction group containing confidential information that needs to be kept confidential, generates process instructions which, when executed in predetermined order, provide same result, with execution of last process instruction thereof, as the confidential process instruction group, inserts the process instructions into the original program at position between start of the original program and the confidential process instruction group so as to be executed in the predetermined order, in place of the confidential process instruction group, generates dummy block as dummy of the process instructions, and inserts the dummy block and control instruction, which causes the dummy block to be bypassed, into the original program, and inserts branch instruction into the dummy block.
    • 一种用于产生混淆程序的程序混淆装置,从而使未经授权的分析仪不能容易地获得机密信息。 程序模糊处理装置存储包含授权程序指令的原始程序和包含需要保密的机密信息的机密处理指令组,生成处理指令,当以预定顺序执行时,执行其最后处理指令, 作为机密处理指令组,代替机密处理指令组,将处理指令插入到原始程序开始之间的位置和机密处理指令组之间以便以预定顺序执行的处理指令,生成伪代码 块作为处理指令的虚拟,并将使块旁路的虚拟块的伪块和控制指令插入到原始程序中,并将分支指令插入到虚拟块中。