GBL NINJA SDK Multiplatform

GBL-Ninja is a comprehensive toolkit for working with GBL (Gecko Bootloader) files across multiple platforms.

Components

Libraries

• Kotlin Library - Core implementation with advanced features
• Python Library - Python port with identical functionality
• JavaScript Library - Browser and Node.js compatible with web interface
• Swift Library - Apple platform implementation
• Java Library - Java port with identical functionality

Tools

• CLI Tool - Command-line interface for GBL file manipulation

What is GBL?

GBL (Gecko Bootloader) is a binary file format used for firmware updates on Silicon Labs devices. Contains tagged data blocks with application code, bootloader updates, security certificates, and metadata.

Features

• Parse and create GBL files
• Modify existing files
• CRC validation
• Compression support (LZ4, LZMA)
• Security features (ECDSA signatures, encryption)
• Cross-platform compatibility