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Calisto Chan's Projects

agns icon agns

Implementation of AGNs, proposed in: M. Sharif, S. Bhagavatula, L. Bauer, M. Reiter. "A General Framework for Adversarial Examples with Objectives." In ACM TOPS, 2019.

androguard icon androguard

Reverse engineering, Malware and goodware analysis of Android applications ... and more (ninja !)

apache-streampipes icon apache-streampipes

Apache StreamPipes - A self-service (Industrial) IoT toolbox to enable non-technical users to connect, analyze and explore IoT data streams.

ksm_plus icon ksm_plus

Memory management is one of the most important parts of the operating system. KSM (Kernel Samepage Merging) in Linux kernel is a kind of memory saving technology developed after the emerging of virtual machine. KSM can dramatically decrease the memory usage of the hypervisor running several virtual machines. Actually, KSM can also be applied to normal applications. But in order to use the KSM, application must explicitly evoke a system call in source code level to tell KSM the memory area where the KSM will scan. To normal users, modifying the source code is impossible at most of the time. Base on the full grasp of the implementation of KSM, a new implementation named KSM+ is created, which allows users to merge same-content pages on the specified applications without modifying corresponding source code. Moreover, the original KSM algorithm relies heavily on the specified area is rich in same-content pages, while normal applications have much less same-content pages compared to virtual machines. So, when KSM is applied to those applications, it is possible that memory usage will rise rather than decrease. To combat with this situation, KSM+ employs a new algorithm to decrease the memory usage for running itself. Several experiments prove that the KSM+ can be easily applied to specified applications and memory usage can be reduced. And a case is designed to compare the effect between KSM and KSM+, which shows KSM+ behaves better in deduplication when the same-content pages’ density is very low. At last, in order to inspect the characteristics of same-content pages from normal desktop applications, an ad-hoc kernel module is developed to do the statistics which supplies significant data for the further development of KSM+.

minixml icon minixml

Mini-XML is a small XML library that you can use to read and write XML and XML-like data files in your application without requiring large non-standard libraries. Mini-XML only requires an ANSI C compatible compiler (GCC works, as do most vendors' ANSI C compilers) and a 'make' program.

opsmanage icon opsmanage

自动化运维平台: 代码及应用部署CI/CD、资产管理CMDB、计划任务管理平台、SQL审核|回滚、任务调度、站内WIKI

winlottery icon winlottery

超级大乐透,让我们一起中大奖。let's win big pizza in lottery

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