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Statically scanning java code: Finding security vulnerabilities

IEEE SOFTWARE 2000年第5期17卷 68-+页

作者： Viega, J McGraw, G Mutdosch, T Felten, EW Cigital Dulles VA 20166 USA Rochester Inst Technol Dept Comp Sci Rochester NY 14623 USA Princeton Univ Dept Comp Sci Princeton NJ 08544 USA

Developers and users require some degree of assurance in their applications' security vulnerabilities. The authors have designed a prototype tool, Jslint, to help programmers automatically use existing security kn... 详细信息

关键词： java program diagnostics security of data software tools java code Jslint common problems existing security knowledge insecure coding practices program bug prevention security vulnerabilities source code scanning tool static scanning analysis programme Data Security Security hole java programming language scanning Software Tools

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JCHVT: A Kind of Software Visualization Method for java code

JCHVT: A Kind of Software Visualization Method for Java Code

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The 2010 International Conference on Computer Application and System Modeling(2010计算机应用与系统建模国际会议 ICCASM 2010)

作者： Changzhen Hu Guoqiang Wang Zhongyang Kan Zhigang Wang Jun Zhen Lab of Computer Network Defense Technology Beijing Institute of Technology Lab of Computer Network Defense Technology Beijing Institute of Technology School of Mechatronical Beijing Laboratory of Intelligent Information Technology Beijing Institute of Technology

ISBN: (纸本)9781424472352

java code Hierarchical Visualization Tool (JCHVT) is a software visualization system oriented to java source code, which has been designed on the concept of service and with reference to Class diagram and Polymetric view. JCHVT is able to automatically create a hierarchical view of the software system, which can reflect the relationships among classes, structure of the system and even the roles of classes played in the system. Meanwhile, JCHVT provides various methods of human-computer interactions which can help user to understand the graph and identify the useful information in the view.

关键词： software visualization hierarchical view of system structure class diagram java code

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TrackEtching - A java based code for etched track profile calculations in SSNTDs

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COMPUTER PHYSICS COMMUNICATIONS 2017年 218卷 43-47页

作者： Varier, K. Muraleedhara Sankar, V. Gangadathan, M. P. Univ Coll Dept Phys Thiruvananthapuram 695034 Kerala India

A java code incorporating a user friendly GUI has been developed to calculate the parameters of chemically etched track profiles of ion-irradiated solid state nuclear track detectors. Huygen's construction of wavefronts based on secondary wavelets has been used to numerically calculate the etched track profile as a function of the etching time. Provision for normal incidence and oblique incidence on the detector surface has been incorporated. Results in typical cases are presented and compared with experimental data. Different expressions for the variation of track etch rate as a function of the ion energy have been utilized. The best set of values of the parameters in the expressions can be obtained by comparing with available experimental data. Critical angle for track development can also be calculated using the present code. (C) 2017 Elsevier B.V. All rights reserved.

关键词： Track detector Chemical etching Etched track profile java code

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Benchmark of a PI Controller Implemented in java and Native code on the Android™ Platform Embedded on ARM

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IEEE LATIN AMERICA TRANSACTIONS 2015年第8期13卷 2488-2494页

作者： Melo, R. R. Caratti Filho, E. Casillo, D. S. S. Villarreal, E. R. L. Univ Fed Rural Semiarido UFERSA Natal RN Brazil

This paper presents a performance analysis of a PI controller implemented on the Android (TM) platform in embedded ARM. To perform the analysis are presented two execution strategies. The first strategy is the execution of PI controller from its implementation in java. The second strategy is the execution of the PI controller from its implementation in native code. In the analysis of the experiment with two suggested strategies, it was found that the controller obtained better performance and stability while running in native code.

关键词： PI Controller Android ARM microcontroller java code native code

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A Model Driven Reverse Engineering Framework for Generating High Level UML Models From java Source code

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IEEE ACCESS 2019年 7卷 158931-158950页

作者： Sabir, Umair Azam, Farooque Ul Haq, Sami Anwar, Muhammad Waseem Haider, Wasi Amjad, Anam Natl Univ Sci & Technol Coll Elect & Mech Engn Dept Comp & Software Engn Islamabad 44000 Pakistan

Legacy systems are large applications which are significant in performing daily organizational operations and cannot be upgraded easily especially in the absence of architectural and design documentation. Software modernization is an emerging field of software engineering, which transforms the legacy systems into new one according to the specified requirements of stakeholders. It mainly deals with improving the architecture, features, rules and data sources of existing system. It always remained a challenging task to achieve high-level representation of legacy systems. In order to achieve this high-level representation, Reverse Engineering (RE) plays an integral role. The issues of traditional RE are overcome with the help of Model Driven Reverse Engineering (MDRE) such as it generates model-based view of the legacy systems, which is comprehensible and easy to understand for practitioners. MDRE is an active research area but it provides limited tool support to extract and model both structural and behavioral aspects of legacy systems. In this paper, a novel MDRE framework named as Source to Model Framework (Src2MoF)is proposed to generate Unified Modeling Language (UML) structural (class) and behavioral (activity) diagrams from the java source code. Src2MoF is based on the principles of Model Driven Engineering (MDE), which use models as first-class citizens alleviating the complexity of software systems. The contributions of this paper are as follows;first, an Intermediate Model Discoverer (IMD) is developed using source code parser to get the intermediate representation of the system from the existing java code. Second, an open source transformation engine named UML model generator is implemented using java, which takes these intermediate models as input, and produce high-level UML models of the subject legacy system. Finally, the two benchmark case studies are presented to depict the relevance and usability of Src2MoF.

关键词： Unified modeling language Reverse engineering Aging java Object oriented modeling Software Tools Model driven reverse engineering reverse engineering UML models legacy systems java code

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Do Experts Agree About Smelly Infrastructure?

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IEEE Transactions on Software Engineering 2025年第5期51卷 1472-1486页

作者： Masoumzadeh, Sogol Saavedra, Nuno Maipradit, Rungroj Wei, Lili Ferreira, Joao F. Varro, Daniel McIntosh, Shane McGill University Department of Electrical and Computer Engineering MontrealH3A 0G4 Canada University of Lisbon INESC-ID IST Lisbon1049-001 Portugal University of Waterloo David R. Cheriton School of Computer Science WaterlooN2L 3G1 Canada Linköping University Department of Computer and Information Science LinköpingSE-581 83 Sweden

code smells are anti-patterns that violate code understandability, re-usability, changeability, and maintainability. It is important to identify code smells and locate them in the code. For this purpose, automated detection of code smells is a sought-after feature for development tools;however, the design and evaluation of such tools depends on the quality of oracle datasets. The typical approach for creating an oracle dataset involves multiple developers independently inspecting and annotating code examples for their existing code smells. Since multiple inspectors cast votes about each code example, it is possible for the inspectors to disagree about the presence of smells. Such disagreements introduce ambiguity into how smells should be interpreted. Prior work has studied developer perceptions of code smells in traditional source code;however, smells in Infrastructure-as-code (IaC) have not been investigated. To understand the real-world impact of disagreements among developers and their perceptions of IaC code smells, we conduct an empirical study on the oracle dataset of GLITCH—a state-of-the-art detection tool for security code smells in IaC. We analyze GLITCH's oracle dataset for code smell issues, their types, and individual annotations of the inspectors. Furthermore, we investigate possible confounding factors associated with the incidences of developer misaligned perceptions of IaC code smells. Finally, we triangulate developer perceptions of code smells in traditional source code with our results on IaC. Our study reveals that unlike developer perceptions of smells in traditional source code, their perceptions of smells in IaC are more substantially impacted by subjective interpretation of smell types and their co-occurrence relationships. For instance, the interpretation of admins by default, empty passwords, and hard-coded secrets varies considerably among raters and are more susceptible to misidentification than other IaC code smells. Consequently, the

关键词： codes Source Coding Labeling Security Passwords Annotations Training Software Servers Imaging code Smells Infrastructure As code Developer Perceptions Oracle Datasets Triangulation Tool For Detection Majority Voting Confounding Factors Object Object code Examples First Author Object Object Cohen X 2019 S Kappa Object Object Level Of Agreement False Alarm Level Of Expertise Entropy Values Technical Performance Ground Truth Labels Unique code Performance Of Tools Object Object Degree Of Disagreement Perception Of Smell java code Programming Paradigm Vote In Favour Object Object

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Supporting object accesses in a java processor

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IEE PROCEEDINGS-COMPUTERS AND DIGITAL TECHNIQUES 2000年第6期147卷 435-443页

作者： Vijaykrishnan, N Ranganathan, N Penn State Univ Dept Comp Sci & Engn University Pk PA 16802 USA Univ S Florida Dept Comp Sci & Engn Tampa FL 33620 USA

Due to java's object-based nature and support for garbage collection, efficient object manipulation and relocation are critical to the execution speed of java code. java Virtual Machine implementations that utilise handle representation such as Sun's java Development Kit 1.1 enable efficient object relocation at the cost of an additional indirection for each object access. The direct address object representations such as those used in CACAO and NET compiler eliminate the indirection overhead, but update during object relocation is complex. A virtual address object cache that reduces the indirection overhead while maintaining the efficiency of object relocation is proposed. The objects in the virtual address cache are addressed directly using the object reference and field offset pair. This eliminates the indirection overhead and off-set addition overhead associated with the handle representation model. A hardware object table that maintains the handles is used to obtain the actual object location on a virtual address cache miss. The performance of the virtual address cache is analysed using various java programs, and is found to reduce 1.5 cycles per object access on an average as compared to the handle representation model for the various benchmarks studied.

关键词： object accesses direct address object representations Compilers, interpreters and other processors program processors object-based nature object-oriented programming virtual address object cache object relocation java code hardware object table File organisation storage management garbage collection Object-oriented programming object reference java java processor

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Evaluation of mutational capability and real-time applicability of obfuscation techniques

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IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES 2006年第1期E89A卷 222-226页

作者： Kiyomoto, S Tanaka, T KDDI R&D Labs Inc Fujimino 3568502 Japan

This paper reports on an evaluation result of current obfuscation techniques for java byte code, such as Collberg's techniques in terms of mutational capability, real-time applicability, and program size increase. We suggest effective obfuscation techniques for random and real-time obfuscation (RR obfuscation). In the evaluation results, the combination of some obfuscation techniques was found to be useful for RR obfuscation, and some obfuscation techniques makes little or no difference after a certain threshold.

关键词： code obfuscation java code evaluation

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Automatic code generation using unified modeling language activity and sequence models

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IET SOFTWARE 2016年第6期10卷 164-172页

作者： Viswanathan, Sunitha Edacheril Samuel, Philip Cochin Univ Sci & Technol Dept Comp Sci Kochi Kerala India Cochin Univ Sci & Technol SOE Div Informat Technol Kochi Kerala India

A fully automatic translation of unified modeling language (UML) models to complete source code is not reported so far because some implementation details will not be there in the model, or a single UML model is not enough for complete code generation, or some model elements may not be directly convertible to source code. These issues are addressed in this study. The authors take workflow modelling and automation as the focus of their research. Hence, UML activity diagram is considered. Activity diagram alone cannot give the implementation details like object interactions. A formal association is found between activity and sequence diagrams to add object interaction details to the work flow. Moreover, the authors formulate an algorithm, Am_To_Prototype, which is composed of two subroutines named Method_Body & Excecution_Logic, to generate code from the combined model of activity and sequence diagrams consisting of concurrent activities. The authors compare the proposed method with other research outcomes with respect to workflow automation, support for concurrency, etc. The proposed algorithms are able to generate class definition, method definition and control flow. A case study is presented that demonstrates the algorithm, to generate java code for the ATM operation.

关键词： program compilers Unified Modeling Language source code (software) concurrency (computers) workflow management software java automatic teller machines subroutines automatic code generation sequence models UML dynamic models fully automatic translation source code workflow modelling workflow automation UML activity diagram sequence diagrams object interaction Am_To_Prototype subroutines Method_Body Excecution_Logic concurrent activities model transformation engine model driven architecture class definition method definition control flow java code ATM operation

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JSME: a free molecule editor in javaScript

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JOURNAL OF CHEMINFORMATICS 2013年第1期5卷 1-6页

作者： Bienfait, Bruno Ertl, Peter Mol Networks GmbH D-91052 Erlangen Germany Novartis Inst BioMed Res CH-4056 Basel Switzerland

Background: A molecule editor, i.e. a program facilitating graphical input and interactive editing of molecules, is an indispensable part of every cheminformatics or molecular processing system. Today, when a web browser has become the universal scientific user interface, a tool to edit molecules directly within the web browser is essential. One of the most popular tools for molecular structure input on the web is the JME applet. Since its release nearly 15 years ago, however the web environment has changed and java applets are facing increasing implementation hurdles due to their maintenance and support requirements, as well as security issues. This prompted us to update the JME editor and port it to a modern Internet programming language - javaScript. Summary: The actual molecule editing java code of the JME editor was translated into javaScript with help of the Google Web Toolkit compiler and a custom library that emulates a subset of the GUI features of the java runtime environment. In this process, the editor was enhanced by additional functionalities including a substituent menu, copy/paste, drag and drop and undo/redo capabilities and an integrated help. In addition to desktop computers, the editor supports molecule editing on touch devices, including iPhone, iPad and Android phones and tablets. In analogy to JME the new editor is named JSME. This new molecule editor is compact, easy to use and easy to incorporate into web pages. Conclusions: A free molecule editor written in javaScript was developed and is released under the terms of permissive BSD license. The editor is compatible with JME, has practically the same user interface as well as the web application programming interface. The JSME editor is available for download from the project web page http://***/jsme/

关键词： java code Scalar Vector Graphic java Runtime Environment Rich Internet Application Input Tool

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