🔐 ZIP File Hasher

A powerful Go-based CLI tool to securely hash the contents of ZIP files – 100% local, GDPR-compliant, with zero external dependencies.

✅ Go Developer

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🚀 Features

• 🗜️ Handles .zip files only
• 📁 Extracts ZIP content into temporary directories
• 🔐 Supported hash algorithms: md5, sha1, sha256, sha512
• 🧾 Optional JSON output for automation and integration
• 🛡️ Fully local processing – no upload, no cloud, no tracking

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🖥️ Requirements

• Install Go (version 1.18 or higher)
• Recommended: Windows 10 / 11

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📦 Project Structure

ziphasher/
├── main.go                 # Application entry point
├── hasher/
│   └── filehash.go        # File hashing functionality
└── zip/
    └── unzip.go           # ZIP extraction logic

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⚙️ Initialization

go mod init ziphasher

⚠️ The module name must match the import paths in main.go.

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▶️ Run

go run main.go -zip="your_zip_file.zip" -algo=sha512 -json

🔧 Parameters

Parameter	Description
-zip	Path to the ZIP file
-algo	Hash algorithm: md5, sha1, sha256, sha512
-json	Enables JSON output format

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🔨 Optional: Build

go build -o ziphasher.exe

Then run via:

.\ziphasher.exe -zip="test.zip" -algo=sha256 -json

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📑 Example Output (JSON)

{
  "test.zip_extracted/readme.txt": "abc123def456...",
  "test.zip_extracted/docs/manual.pdf": "f7b9aa22bb77..."
}

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👨‍💻 Author & License

BYLICKILABS – 2025

License: MIT
LICENSE