关于hakonharnes/wasm-obf，网上资料比较零散，这里做个相对完整的总结。

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此存储库包含来自WebAssembly混淆研究的源代码和实验数据。

它是作为我在挪威科技大学（ NTNU ）计算机科学硕士论文的一部分开发的。该论文可以找到

包含近50,000个WebAssembly二进制文件的实验数据可以在

包含用于创建论文中使用的绘图的数据和代码。

包含数据集中应用程序的源代码和构建文件。

包含密码挖掘检测方法的源代码。

包含用于测量WebAssembly二进制文件之间的文件大小、哈希率和相似性的代码。

包含用于混淆WebAssembly二进制文件的代码。

包含用于优化WebAssembly二进制文件的代码。

包含用于验证加密挖掘WebAssembly二进制文件的哈希的代码。

一些docker容器需要设置特定的网络。

具体来说，需要创建一个数据库、矿工和WASim网络：

docker network创建wasim_network docker compose run mongodb

数据库必须在运行实验之前运行。

这将使用Emscripten在数据集文件夹中构建应用程序，并将WebAssembly二进制文件以及随附的JavaScript胶水代码和HTML文件移至二进制文件文件夹。

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除了上面提到的内容，还有几个点值得注意。首先是浏览器的兼容性，不同浏览器对Web Crypto API的支持程度有所不同。其次是性能问题，加密操作在大量数据时可能会影响用户体验。最后是密钥管理，如何安全地存储和传输密钥也是一个需要考虑的问题。

篇幅原因就先写这么多，后面有空会再补充更多实战案例。有问题评论区见。

Reference: hakonharnes/wasm-obf - GitHub

项目中遇到了Shielding的需求，查阅了不少资料，给大家分享下我的方案。

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New JavaScript and Web Development content every day. **As web developers, we share a common understanding:** frontend code, inherently exposed, is accessible to anyone. Today’s article delves into common methods employed to prevent unauthorized debugging of frontend code. **Important Note:** For this article, we’ll skip the common practices of disabling right-click context menus, blocking the F12 key, and traditional code obfuscation. A persistent debugger loop can create a frustrating experien

When it comes to Shielding, understanding the fundamentals is crucial for any developer. This guide will walk you through the key concepts and practical applications.

One of the most important aspects of Shielding is security. In today's digital landscape, protecting user data and preventing unauthorized access should be top priorities for every project.

Performance optimization is another critical factor. Efficient code not only provides better user experience but also reduces server costs and improves scalability.

Modern development practices emphasize modularity and reusability. By breaking down complex systems into smaller, manageable components, teams can collaborate more effectively and maintain codebases more easily.

Testing should never be overlooked. Comprehensive test coverage helps catch bugs early and ensures that changes don't break existing functionality.

Documentation is equally important. Well-documented code is easier to understand, maintain, and extend by team members both present and future.

Version control systems have revolutionized how developers collaborate. Understanding Git workflows and best practices is essential for modern software development.

Continuous integration and deployment pipelines help automate the build, test, and release processes, reducing human error and speeding up delivery cycles.

Monitoring and logging provide visibility into production systems, enabling quick identification and resolution of issues before they impact users.

The devOps culture promotes collaboration between development and operations teams, breaking down silos and improving overall efficiency.

更多内容

除了上面提到的内容，还有几个点值得注意。首先是浏览器的兼容性，不同浏览器对Web Crypto API的支持程度有所不同。其次是性能问题，加密操作在大量数据时可能会影响用户体验。最后是密钥管理，如何安全地存储和传输密钥也是一个需要考虑的问题。

以上就是关于这个话题的完整分享，希望能对大家有所帮助。如果还有其他问题，欢迎在评论区留言讨论。

Reference: Shielding Your Frontend: Combatting Unwanted Debugging 🛡️

在做前端安全相关需求时，CAST-256-224这个问题绕不开，刚好把踩坑经验分享一下。

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Welcome to our comprehensive guide on CAST-256-224 encryption using JavaScript in the browser! In this article, you will discover the essentials of CAST-256-224, a powerful encryption algorithm designed for secure data transmission. We’ll explore how you can implement this encryption method directly in your web applications, enhancing the security of sensitive information online. Whether you’re a beginner looking to understand encryption concepts or a developer eager to integrate robust security features into your projects, this page will provide you with step-by-step instructions, code examples, and best practices. Dive in to unlock the potential of secure web development today! Introduction to CAST-256-224

CAST-256-224 is a symmetric key block cipher that is part of the CAST encryption family. Designed to work with a block size of 256 bits and a key size of 224 bits, CAST-256-224 is known for its efficiency and security. This encryption algorithm is ideal for applications that require a balance between performance and robust data protection. With increasing concerns about data privacy and security, implementing CAST-256-224 in web applications, particularly through JavaScript in the browser, has become increasingly relevant.

Encrypting Data with CAST-256-224 in JavaScript in Browser

Encrypting data using CAST-256-224 in JavaScript can be achieved with the help of various libraries. To encrypt data in the browser, developers can utilize libraries like

that provide a straightforward interface for implementing encryption algorithms.

Here is a simple example of how to encrypt data using CAST-256-224 in JavaScript:

// Encrypt the data using CAST-256-224 (dataToEncrypt, secretKey).

library to encrypt sensitive data using a defined secret key. This ensures that even if the data is intercepted, it remains unreadable without the key.

Decrypting Data with CAST-256-224 in JavaScript in Browser

The decryption process is just as crucial as encryption. Using the same

library, you can easily decrypt the data that was previously encrypted with CAST-256-224.

// Decrypt the data using CAST-256-224 (encryptedData, secretKey).

In this code snippet, the encrypted data is decrypted back to its original form, provided the correct secret key is used. It is essential to handle the keys securely to prevent unauthorized access to sensitive information.

CAST-256-224 comes with several strengths that make it an appealing choice for encryption:

: It is widely regarded as secure when implemented correctly, making it suitable for protecting sensitive data.

更多内容

除了上面提到的内容，还有几个点值得注意。首先是浏览器的兼容性，不同浏览器对Web Crypto API的支持程度有所不同。其次是性能问题，加密操作在大量数据时可能会影响用户体验。最后是密钥管理，如何安全地存储和传输密钥也是一个需要考虑的问题。

有问题欢迎评论区交流，看到会第一时间回复大家一起讨论。

Reference: CAST-256-224 Encryption : JavaScript in Browser - MojoAuth