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    • 6. 发明专利
    • Method and system of dynamic transformation of encrypted material
    • 加强材料动态变换方法与系统
    • JP2008193724A
    • 2008-08-21
    • JP2008070026
    • 2008-03-18
    • Aegisoft Corpイージソフト コーポレイション
    • JIA ZHENGSHEN JI
    • G06F21/22H04L9/08G06F1/00G06F21/00G06F21/24G09C1/00H04L9/32H04L9/38
    • G06F21/10G06F21/126G06F2221/2107G06F2221/2135H04L63/0428H04L63/10
    • PROBLEM TO BE SOLVED: To enable the encrypted material to be dynamically decrypted in real time without being transferred to a temporary storage medium. SOLUTION: Software-on-demand and software subscription services are enabled by employing a transformation filter (104) to perpetually regulate, meter, and charge for the usage of software products. The transformation filter is implemented as a virtually integral part of the operating system that monitors and "filter" all read, write and open/execute access to and from the I/O devices (106). As the protected material is being accessed, the transformation filter positions itself in the path required for loading the material through the file system and application layers. The material enters the transformation filter in its encrypted state and is decrypted in real-time as it goes through. The material is then handed over to the operating system components (107/108) to fulfill the user access requests. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:使加密材料能够实时动态解密而不转移到临时存储介质。 解决方案:通过使用转换过滤器(104)对软件产品的使用进行永久性调整,计量和计费,实现了软件点播和软件订阅服务。 转换过滤器被实现为操作系统的实质部分,其监视和“过滤”对I / O设备(106)的所有读,写和打开/执行访问。 随着受保护的材料被访问,变换过滤器将自身定位在通过文件系统和应用层加载材料所需的路径。 该资料以加密状态进入转换过滤器,并经过实时解密。 然后将该材料交给操作系统组件(107/108)以满足用户访问请求。 版权所有(C)2008,JPO&INPIT