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Gringotts: An Encrypted version control system With Less Trust on Servers

IEEE TRANSACTIONS ON DEPENDABLE AND SECURE COMPUTING 2024年第2期21卷 668-684页

作者： Xu, Wenhan Ma, Hui Song, Zishuai Li, Jianhao Zhang, Rui Chinese Acad Sci Inst Informat Engn Key Lab Cyberspace Secur Def Beijing 100085 Peoples R China Univ Chinese Acad Sci Sch Cyber Secur Beijing 100049 Peoples R China

version control system (VCS) plays an essential role in software supply chain, as it manages code projects and enables efficient collaboration. For a private repository, where source code is a high-profile asset and needs to be protected, VCS' security is extremely important. Traditional (unencrypted or encrypted) VCS solutions rely on a trusted service provider to host the code and enforce access control, which is not realistic enough for real-world threats. If the service provider peep in or the hackers break into the repository, the read & write privilege to the sensitive code is totally lost. Therefore, we consider whether one can relax the assumption on the server by introducing a covert adversary, namely, it may act maliciously, but will not misbehave if it can be caught doing so. However, protecting sensitive code and enforcing access control on a covert adversarial server is a challenging task. Existing encryption-based VCS solutions failed to address this challenge, as they offered limited access control functionalities, introduced heavy key management overhead or storage overhead. Moreover, the crucial feature of compression of the source files were missing in an encrypted and versioned storage. To address these problems, we introduce GRINGOTTS, an end-to-end encrypted VCS, tailored for read & write access control, version control and source file compression. We present a formal model and propose a scheme with detailed analysis. We also implement and evaluate GRINGOTTS on top-10 most starred code projects on GitHub. The results demonstrate that GRINGOTTS introduces low latency (less than 0.3 s) for commit encryption and decryption, supports fine-grained access control and rich version control functionalities with practical performance.

关键词： version control system access control encrypted storage data encryption ciphertext deduplication

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Linking Engineered Cells to Their Digital Twins: A version control system for Strain Engineering

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ACS SYNTHETIC BIOLOGY 2020年第3期9卷 536-545页

作者： Tellechea-Luzardo, Jonathan Winterhalter, Charles Widera, Pawel Kozyra, Jerzy de Lorenzo, Victor Krasnogor, Natalio Newcastle Univ Interdisciplinary Comp & Complex Biosyst ICOS Res Newcastle Upon Tyne NE4 5TG Tyne & Wear England CSIC CNB Syst & Synthet Biol Program E-28049 Madrid Spain

As DNA sequencing and synthesis become cheaper and more easily accessible, the scale and complexity of biological engineering projects is set to grow. Yet, although there is an accelerating convergence between biotechnology and digital technology, a deficit in software and laboratory techniques diminishes the ability to make biotechnology more agile, reproducible, and transparent while, at the same time, limiting the security and safety of synthetic biology constructs. To partially address some of these problems, this paper presents an approach for physically linking engineered cells to their digital footprint-we called it digital twinning. This enables the tracking of the entire engineering history of a cell line in a specialized version control system for collaborative strain engineering via simple barcoding protocols.

关键词： DNA barcode version control system VCS digital twin Escherichia coli Bacillus subtilis reproducibility

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Using object replication for building a dependable version control system 1

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8th IFIP International Conference on Distributed Applications and Interoperable systems

作者： Kapitzal, Ruediger Baumann, Peter Reiser, Hans P. Univ Erlangen Nurnberg Dept Comp Sci 4 D-8520 Erlangen Germany Univ Lisbon LaSIGE Lisbon Portugal

ISBN: (数字)9783540686422

ISBN: (纸本)9783540686392

Object-oriented technologies are frequently used to design and implement distributed applications. Object replication is a well-established approach to increase the dependability for such applications. Generic replication infrastructures often fail to meet non-standard application-specific requirements such as support for client-side computing. Our FTflex replication infrastructure combines the fragmented object model with semantic annotations in order to customize and optimize replication mechanisms, and thus provides a more flexible replication infrastructure. This paper presents DiGit, a replicated version control system based on the architecture of Git. DiGit is implemented with the help of the FTflex infrastructure for object replication. The contributions of this paper are twofold. First, the paper evaluates the fitness of our replication framework for a specific, complex application. We identify two advantages of the replication infrastructure: the ability to provide client-side code as a conceptually integral part of a remote service, and support for an optimized protocol for remote interaction. As a second contribution, the paper presents a powerful replicated version control system and shows the lessons learned from using object replication in such a system.

关键词： object replication version control system

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Steganography Using version control system

Steganography Using Version Control System

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1st International Conference on Computer Science and Information Technology

作者： Tidake, Vaishali S. Talekar, Sopan A. NDMVP COE Dept Comp Engn Nasik India

ISBN: (纸本)9783642178801

In this paper two different techniques of steganography using change tracking are discussed. First method, steganography using change tracking technique uses change tracking feature of MS Word for data hiding. Message embedding and extraction in MS Word document is discussed briefly along with the example. Second method, steganography using version control system is also proposed in this paper. It elaborates the idea of using the version control system for data hiding. One of the most important features provided by version control systems is version control. It helps to keep track of changes by maintaining multiple versions of the project depending on the requirements. One of the versions of this project can be utilized as a cover medium for data hiding. Generally a project consists of many files. Hence long message can be fragmented and one message fragment can be embedded in one file of the project. Experimentation is carried out using Microsoft Visual Source Safe as the version control system and C# sample project as the cover project.

关键词： change tracking cover project message embedding stego project message extraction version control system

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Improving Business deliveries using Continuous Integration and Continuous Delivery using Jenkins and an Advanced version control system for Microservices-based system 5

Improving Business deliveries using Continuous Integration a...

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5th International Conference on Multimedia, Signal Processing and Communication Technologies (IMPACT)

作者： Singh, Amarjeet Singh, Vinay Aggarwal, Alok UPES SoCS Dehra Dun Uttarakhand India

ISBN: (纸本)9781665476478

For enterprise application various software development models are available. Out of these available software development models, micro-services architecture has gained a lot of popularity. The micro-service architecture fits well to an enterprise applications which are usually complex in nature and requires out of box scalability along with low latency. Microservices in containerized cloud environment are very useful for enterprise applications. From the software development perspective in a software industry it is also very crucial to identify and rectify the defects at an early development phase rather than at production environment level. Few earlier published works had a focus on micro-services while few others on the issues and challenges of Kubernetes. However, to the best of our knowledge, the relationship between these two has not been worked out earlier. This is the key focus area of this work. This work focuses on identifying the defects at an early stage for micro-services that are deployed on Kubernetes. Few basic guidelines are proposed for a micro-service architecture based on automation, fault design, design philosophy, naming convention, monitoring and warning.

关键词： Micro-service Kubernetes Container version control system Git Subversion

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VRGit: A version control system for Collaborative Content Creation in Virtual Reality 23

VRGit: A Version Control System for Collaborative Content Cr...

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CHI conference on Human Factors in Computing systems (CHI)

作者： Zhang, Lei Agrawal, Ashutosh Oney, Steve Guo, Anhong Univ Michigan Ann Arbor MI 48109 USA

ISBN: (纸本)9781450394215

Immersive authoring tools allow users to intuitively create and manipulate 3D scenes while immersed in Virtual Reality (VR). Collaboratively designing these scenes is a creative process that involves numerous edits, explorations of design alternatives, and frequent communication with collaborators. version control systems (VCSs) help users achieve this by keeping track of the version history and creating a shared hub for communication. However, most VCSs are unsuitable for managing the version history of VR content because their underlying line diferencing mechanism is designed for text and lacks the semantic information of 3D content;and the widely adopted commit model is designed for asynchronous collaboration rather than real-time awareness and communication in VR. We introduce VRGit, a new collaborative VCS that visualizes version history as a directed graph composed of 3D miniatures, and enables users to easily navigate versions, create branches, as well as preview and reuse versions directly in VR. Beyond individual uses, VRGit also facilitates synchronous collaboration in VR by providing awareness of users' activities and version history through portals and shared history visualizations. In a lab study with 14 participants (seven groups), we demonstrate that VRGit enables users to easily manage version history both individually and collaboratively in VR.

关键词： Virtual Reality Collaboration version control system

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How Much Undocumented Knowledge is there in Agile Software Development? Case Study on Industrial Project using Issue Tracking system and version control system 25

How Much Undocumented Knowledge is there in Agile Software D...

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25th IEEE International Requirements Engineering Conference (RE)

作者： Saito, Shinobu Iimura, Yukako Massey, Aaron K. Anton, Annie I. NTT Corp Software Innovat Ctr Tokyo Japan Univ Maryland Baltimore Cty Dept Informat Syst Baltimore MD 21228 USA Georgia Inst Technol Sch Interact Comp Atlanta GA 30332 USA

ISBN: (纸本)9781538631911

In agile software development projects, software engineers prioritize implementation over documentation to eliminate needless documentation. Is the cost of missing documentation greater than the cost of producing unnecessary or unused documentation? Even without these documents, software engineers maintain other software artifacts, such as tickets in an issue tracking system (ITS) or source code committed to a version control system (VCS). Do these artifacts contain the necessary knowledge? In this paper, we examine undocumented knowledge in an agile software development project at NTT. For our study, we collected 159 commit logs in a VCS and 102 tickets in the ITS from the three-month period of the project. We propose a ticket-commit network chart (TCC) that visually represents time-series commit activities along with filed issue tickets. We also implement a tool to generate the TCC using both commit log and ticket data. Our study revealed that in 16% of all commits, software engineers committed source code to the VCS without a corresponding issue ticket in the ITS. Had these commits been based on individual issue tickets, these "unissued" tickets would have accounted for 20% of all tickets. Software users and requirements engineers also evaluated the contents of these commits and found that 42% of the "unissued" tickets were required for software operation and 23% of those were required for requirements modification.

关键词： Agile Agile Development Issue Tracking system version control system Requirements Knowledge

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Meta-modeling based version control system for software diagrams

Meta-modeling based version control system for software diag...

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6th Joint Conference on Knowledge-Based Software Engineering (JCKBSE 2004)

作者： Oda, T Saeki, M Tokyo Inst Technol Dept Comp Sci Tokyo 1528552 Japan

In iterative software development methodology, a version control system is used in order to record and manage modification histories of products such as source codes and models described in diagrams. However, conventional version control systems cannot manage the models as a logical unit because the systems mainly handle source codes. In this paper, we propose a version control technique for handling diagrammatical models as logical units. Then we illustrate the feasibility of our approach with the implementation of version control functions of a meta-CASE tool that is able to generate a modeling tool in order to deal with various diagrams.

关键词： UML diagram version control system meta-CASE repository

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Source Code Management Using version control system 6

Source Code Management Using Version Control System

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6th International Conference on Reliability, Infocom Technologies and Optimization (Trends and Future Directions) (ICRITO)

作者： Majumdar, Rana Jain, Rachna Barthwal, Shivam Choudhary, Chetna Amity Univ Amity Sch Engn & Technol Noida Uttar Pradesh India Amity Univ Amity Inst Informat Technol Noida Uttar Pradesh India

ISBN: (纸本)9781509030125

Software is the most vigorous product of Information Technology. The face of software development has changed unprecedentedly and become more custom over a period of time. If we go back 15 years, one can see software were developed for supporting workstations in organizations with centralized database over multiple locations, but rise in international work standard in turn has made software development more competitive and challenging. As a result, software development happens to take place in a collaborative platform - programmers collaborate their code to a central point from multiple locations. How can programmers collaborate? Well, Source code management tools (version control system) tackles every single barrier associated with managing source code such as: Integrity, robustness, synchronization, linearity, and revision control. version control adhere unique functionalities: commit, push/pull to and from code base, snapshots that makes managing source code fairly simple. However conventional version control system can't manage models and there are problems in syncing main repository and local working copy. This work draws shortcoming of 'Git' as a version control system in managing source code and gives insight into Git's association with source code taking line based approach that makes difficult to version control model diagrams with software development. The limitations are identified and the model is proposed to facilitate enhancement in future.

关键词： Commit Git Repository version control system

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Git-based version control for Beamline control system at the Shanghai Synchrotron Radiation Facility 5

Git-based Version Control for Beamline Control System at the...

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5th International Conference on systems and Informatics (ICSAI)

作者： Zhao, Ying Zhou, Yongnian Hu, Chun Zhang, Xiangzhi Zhang, Zhaohong Chinese Acad Sci Shanghai Inst Appl Phys Shanghai Synchrotron Radiat Facil Shanghai Peoples R China

ISBN: (纸本)9781728101200

The Shanghai Synchrotron Radiation Facility (SSRF) is the first third generation synchrotron light source in China. Presently, the SSRF contains fourteen operational beamlines, but there will be more than 30 beamlines at the SSRF by the end of 2021. The rapid development of the beamlines has massively increased the beamline control source code, which further creates a tremendous challenge in managing the source code. Traditionally, at the SSRF, beamline engineers realize the version control of source code by making a full copy of the source files before making any new edits. However, due to a massive increase in source code volume, such a version control is no longer possible. Therefore, a modern version control system is needed. This paper presents a Git-based version control system intended for the SSRF, demonstrates the framework and workflow used to realize the proposed version control, and presents the components of Git repositories. In addition, GitHub is used to share the common EPICS software modules of the SSRF with the scientific community.

关键词： SSRF beamline beamline control system Git version control system

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