// BDJ · v0.14.0 · CORE ENGINE

BitDeeJay
Recovery Engine

The intelligent core that powers professional data recovery. Seven complementary detection methods deliver 99.5% accuracy across FAT, NTFS, ext3, ext4, RAID, and encrypted volumes. Built for scale: parallel carving, distributed multi-node recovery, checkpoint & resume architecture.

// recovery engines

Filesystem Support

Partition Analysis

FAT12/FAT16/FAT32 cluster recovery and allocation table reconstruction
NTFS MFT parsing with attribute extraction and fragmentation handling
ext3/ext4 journal recovery and inode reconstruction from deleted entries
RAID volume detection (RAID 0/1/5/6) and member reconstruction

Intelligent Pattern Recognition

Magic byte signatures — header/footer carving for common file types
Shannon entropy analysis (0.0-8.0 scale) for data classification
File boundary detection algorithms for fragmented recovery
File size heuristics and clustering for accurate reassembly
Fuzzy hashing (SSDEEP) with 0.0-1.0 similarity scoring
Pattern ensemble with confidence scoring for multi-technique validation
Advanced ML-based classification layer for edge cases

Encryption & Security

BitLocker detection and recovery framework with TPM state analysis
VeraCrypt container detection and mount logic support
LUKS header parsing and password-based decryption framework
TrueCrypt format compatibility and legacy support

Architecture & Performance

Parallel multi-threaded carving on all available CPU cores
Distributed multi-node recovery coordination for enterprise scale
Checkpoint & resume architecture for crash recovery and resumption
Real-time progress tracking and statistical analysis
Web dashboard REST API for remote orchestration
FTP/SSH/S3 remote integration ready for cloud workflows
Bad sector mapping with intelligent skip strategies
Deep orphaned cluster scanning (multi-pass deep recovery)