Talk SDK Architecture
Core SDK Layers
Freedom Layer Foundation
Base cryptographic primitives
Secure communication protocols
Identity and authentication systems
Module System
Pluggable architecture for feature selection
Dependency resolution with minimal footprint
Cross-platform abstraction layer
SDK Components
Cryptographic Library
Platform-specific implementations of encryption algorithms
Key management utilities
Secure random number generation
Communication Modules
Protocol implementations for messaging
Call signaling and media handling
Connection management
Storage Integration
Local encrypted storage APIs
Decentralized storage connectors
File handling utilities
Platform Support
Web Integration
JavaScript/TypeScript API
WebAssembly modules for performance-critical components
Browser compatibility layer
Mobile Support
Native bindings for iOS and Android
Battery and resource optimization
Background operation capabilities
Server Implementation
Node.js modules
Microservice architecture support
Scalability patterns
Developer Experience
Documentation Generator
Automated API documentation
Code examples and implementation patterns
Security best practices
Testing Framework
Unit and integration test suites
Security analysis tools
Performance benchmarking
Threat Modeling
Attack Surface Analysis
Comprehensive mapping of potential entry points
Security control mapping
Regular penetration testing
Mitigation Strategies
Defense-in-depth approach
Fail-secure design principles
Least privilege implementation
Data Protection
At-Rest Protection
Full disk encryption for server components
Encrypted databases with key rotation
Secure key storage solutions
In-Transit Protection
Multiple layers of transport encryption
Traffic obfuscation techniques
Metadata minimization
Privacy Enhancements
Metadata Obfuscation
Cover traffic generation
Timing attack countermeasures
Padding to prevent size correlation
Identity Protection
Anonymous credential systems
Unlinkable authentication
Pseudonymous identifiers with rotation
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