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Practical Jni4Net

Real-world examples of using Jni4Net to create a bridge between Java and .NET (running on the same process)

Practical Jni4Net
This book is 95% completeLast updated on 2016-01-10
This book contains the Jni4Net related blog posts posted on Dinis Cruz’ blog at http://blog.diniscruz.com.
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About

About

About the Book

This book contains the Jni4Net related blog posts posted on Dinis Cruz’ blog at http://blog.diniscruz.com.

This is the fist draft release of this book, so please send your suggestions, criticisms, ideas or comments to dinis.cruz@owasp.org

Notes about current structure: The chapter structure is still being defined and it in a state of flux. Feedback is highly appreciated 

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Creative Commons Attribution 3.0 Unported License

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Author

About the Author

Dinis Cruz

I build open source tools, companies and communities that help organisations understand, manage and improve complex systems: safely, transparently and for the long term. What I am building now: • RiskMandate.ai: the business risk layer for autonomous systems. • Newsroom.sgit.ai: Field notes on AI agents, security and the next generation of publishing, by Dinis Cruz • Sgit.ai: encrypted git for humans and AI agents, Apache-2.0. The foundation the other four are built on; sgraph.ai commercialises it as SG/Send and SG/Vaults. • VoiceDebrief.ai: voice recordings into transcripts and debriefs • TheCyberBoardroom.com: an AI-powered platform for the conversation between security teams and the board. How I build: Open source is the best business model for an AI startup, and it is the one all of mine run on. Technology is not the moat; what a company sells is trust, maintenance, quality and certification, and everything else should be open so the buyer never has to take that on faith. Whether an open-source project survives is a property of its copyright and trademark structure, not its licence file, and sovereignty is only possible when the code and the schemas are open. The argument, with its counter-cases, is at open-source.sgit.ai. The practice is that my companies ship open source, and their investor materials are public too. Where I come from: 20+ years across cyber security and software engineering. Former OWASP Board member; organised the OWASP Summits (Lisbon 2011, Woburn 2017) that became the Open Security Summit. Created the O2 Platform and the OSBot / MGraph-DB family of open-source tools, still in production across my companies today. I previously worked as a CISO and CTO for other companies alongside my own, and I build GenAI-powered teams where security and engineering are accelerators for the business rather than gates.

Contents

Table of Contents

  •  
    • Leanpub book, originally based on Blog posts
    • An open book, freely available at GitHub
    • Change log:
    • Introduction
  • 1. November 2012
    • C# REPL a java process (ZAP Proxy)
    • Controlling OWASP ZAP remotely (via Java BeanShell REPL in .Net)
    • Writing and Invoking O2 Methods from Java and Eclipse
  • 2. March 2013
    • Invoking an OWASP AppSensor Java method from .NET C# REPL (using Jni4Net)
    • Invoking Java BeanShell from .Net CLR
    • Loading OWASP ESAPI jar and its dependencies
    • Getting list of Jars loaded in SystemClassLoader
    • Java BeanShell REPL v1.0.exe
  • 3. May 2013
    • First execution of ESAPI.jar Encoder methods from O2’s C# REPL
  • 4. June 2013
    • Another step in the use of ESAPI and AppSensor Jars from .Net/C
  • 5. August 2013
    • Consuming a forked version of Jni4Net
    • Compiling Jni4Net from Source
    • Fixing the ‘Attempted to read or write protected memory’ issue

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