meronrudy/tigray-ev

# Mobile Evidence-Bag App A React Native application for collecting court-ready digital evidence that meets ICC/OSINT standards for legal proceedings. ## Overview The Mobile Evidence-Bag App enables field investigators, legal professionals, and human rights workers to capture, secure, and export digital evidence in formats compliant with international court standards. The application ensures evidence integrity through cryptographic hashing, maintains complete chain of custody, and exports evidence as BagIt-compliant packages ready for court submission. ## Key Features ### Evidence Collection - High-resolution photo and video capture without compression - Automatic metadata collection (GPS, timestamp, device information) - Real-time SHA-256 hash generation for integrity verification - Immediate AES-256 encryption of captured evidence ### Security & Authentication - PIN and biometric authentication - Panic mode with key destruction capability - Hardware-backed encryption key storage - Constant-time cryptographic operations to prevent timing attacks ### Legal Compliance - BagIt v1.0 specification compliance for evidence packaging - Complete chain of custody tracking and verification - ICC e-Court Protocol adherence - Berkeley Protocol cryptographic standards ### Evidence Management - Secure encrypted storage with tamper detection - Evidence sealing process for legal integrity - Comprehensive audit trail for all operations - Real-time integrity monitoring ## Technical Architecture ### Platform Support - **iOS**: 14.0+ - **Android**: API Level 26+ - **Framework**: React Native 0.73+ with TypeScript ### Core Technologies - **Camera**: react-native-vision-camera for native image capture - **Cryptography**: AES-256-GCM encryption, SHA-256 hashing - **Storage**: Platform keychain/keystore integration - **Location**: High-accuracy GPS with offline capability - **Packaging**: BagIt v1.0 compliant evidence containers ### Security Standards - FIPS-compliant cryptogra …