Ecosyste.ms: Awesome

An open API service indexing awesome lists of open source software.

Awesome Lists | Featured Topics | Projects

https://github.com/ipsbrunoreserva/bitcoin_cracking

GPU BIP39 Recovery Tool Utilizing OpenCL optimized PBKDF2 HMAC SHA-512 / SHA-256
https://github.com/ipsbrunoreserva/bitcoin_cracking

bip39 bitcoin cracking hacking mnemonic

Last synced: about 1 month ago
JSON representation

GPU BIP39 Recovery Tool Utilizing OpenCL optimized PBKDF2 HMAC SHA-512 / SHA-256

Awesome Lists containing this project

README 

        
# Bitcoin OpenCL Brute Force BIP39  

## 20 Million Hashes Per Second 🚀  



A highly optimized solution for brute-forcing the final 6 mnemonic words in Bitcoin wallets. This implementation employs OpenCL to perform SHA-256 and SHA-512 calculations directly on the GPU, minimizing overhead and maximizing performance through efficient cryptographic optimization.  



---



### 🚀 Key Features  



✅ **Windows Management Integration**  

Seamless control of the tool via an intuitive Windows-based environment, simplifying setup and operation.



✅ **Sequential Mnemonic Generation**  

Implements an advanced sequential algorithm capable of generating billions of BIP-39 mnemonic combinations with precision and efficiency.  



✅ **Optimized GPU SHA-256 Kernel**  

Utilizes OpenCL for GPU-accelerated SHA-256 hashing, vital for high-performance cryptographic computations in Bitcoin systems.  



❌ **GPU-Optimized SHA-512 and PBKDF2 (In Progress)**  

Expanding GPU acceleration to cover SHA-512 and PBKDF2 for faster seed-to-master-key derivation.  



❌ **Blockchain Address Matching (Upcoming)**  

Incorporating a mechanism to match derived addresses against real-world blockchain data for validation and exploratory attack scenarios.  



---



## 💡 Performance Highlights  



Achieves exceptional performance:  

- **7 billion valid seeds per second** on a CPU, even without a dedicated GPU.  

- Scalable to **trillions** of hashes per second with high-end GPUs, leveraging cryptographic parallelism.  



### Optimizations:  

- **Using long64** instead of strings minimizes memory overhead and improves processing speed by reducing the use of slow memory operations typically associated with handling string data. 

- **Memory Efficiency**: Utilizes constant memory for storing keys and shared variables.  

- **Pipeline Streamlining**: Reduces bottlenecks by optimizing the hashing workflow.  

- **Modular Architecture**: Designed for extensibility, allowing quick adoption of new algorithms or derivation techniques.  



---



## 🔧 Technical Details  



- **Bitwise Optimization**: Works directly with bits and bytes, reducing memory and processing overhead compared to string manipulation.  

- **Reduced Search Space**: Limits checksum combinations to 1 in 128 (instead of 1 in 2048), exponentially increasing processing speed.  

- **Precomputed Pads for PBKDF2**: Avoids redundant calculations, significantly accelerating key derivation.  

- **Efficient Loops**: Maximized GPU parallelism by eliminating unnecessary computational cycles.  



---



## 📅 Work in Progress  



🔄 **SHA-512 and PBKDF2 Optimization**  

Implementing GPU-accelerated versions to improve seed-to-master-key derivation efficiency.  



🔄 **Blockchain Address Matching**  

Developing clustering algorithms to compare derived wallet addresses with real blockchain datasets.  



🔄 **Scalability Enhancements**  

Adapting the codebase for GPU clusters to enable large-scale brute force computations.  



---



## 🧠 How It Works  



1. **Mnemonic Seed Generation**: Sequentially generates billions of BIP-39 mnemonic phrases following Bitcoin standards.  

2. **Checksum Validation**: Leverages optimized SHA-256 hashing to validate seeds with unparalleled speed.  

3. **Seed Derivation**: Processes valid seeds to derive wallet addresses for further use.  

4. **Wallet Mapping**: Efficiently reduces search space to enable real-time exploration of Bitcoin wallets.  



---



## 🚀 Why It’s So Fast  



- **Minimal Memory Usage**: Processes directly at the bit level, avoiding string overhead.  

- **Precomputation**: Pads for PBKDF2 are precomputed to streamline calculations.  

- **GPU Acceleration**: Optimized kernels leverage constant memory and parallel processing.  

- **Reduced Search Complexity**: Focuses on a highly probable search space, reducing unnecessary operations.  



---



## 💻 Practical Applications  



- High-speed wallet recovery and validation.  

- Exploring blockchain clusters for potential wallet matches.  

- Cryptographic research in seed derivation techniques.  



Stay tuned for future updates as we push the limits of cryptographic brute force tools! 👨‍💻✨