Meshcore CUDA Key Generator

High-performance GPU-accelerated Ed25519 key generator for MeshCore, implemented in C++ and CUDA. This project efficiently searches for Ed25519 public keys matching a given hexadecimal prefix using NVIDIA GPUs.

The application supports both a command-line interface and a simple GUI, and is optimized for modern CUDA-capable hardware.

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Features

• GPU-accelerated Ed25519 key generation using CUDA
• Prefix-based public key searching
• CPU and GPU verification paths
• Optional VRAM-backed seed pool
• Real-time performance metrics (keys/sec, runtime, ETA)
• Windows build support with CMake and Visual Studio

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Requirements

Hardware

• NVIDIA GPU with CUDA support
  (tested on RTX 3060 Ti)

Software

• Windows 10 or newer
• NVIDIA CUDA Toolkit (tested with CUDA 13.x)
• Visual Studio 2022 (Community, Professional, or Build Tools)
• CMake 3.24 or newer
• vcpkg (for OpenSSL)

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Dependencies

• OpenSSL (via vcpkg)
• ed25519_cuda (vendored under external/)
• Standard C++17 library

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Build Instructions (Windows)

1. Clone the repository

git clone <your-repo-url>
cd MeshcoreCudaKeygen

2. Configure with CMake

cmake -S . -B build -G "Visual Studio 17 2022" -A x64 `
  -DCMAKE_TOOLCHAIN_FILE=C:/vcpkg/scripts/buildsystems/vcpkg.cmake

3. Build

cmake --build build --config Release

After a successful build, binaries will be located in:

build\Release\

Usage
Command-Line

meshcore_cuda_keygen.exe <hex_prefix> [batch_size]

Example:

meshcore_cuda_keygen.exe 146880 500000

    hex_prefix – Hexadecimal prefix to search for

    batch_size – Number of keys per GPU batch (optional)

GUI

Run:

mesh