1. Introduction
  - Background and Motivation
  - Objectives
  - Scope and Significance
2. Literature Review
  - Cloud Storage Security and Encryption
  - Encryption Techniques and Algorithms
  - Key Management and Access Control
3. Encryption Techniques for Cloud Storage
  - Data-at-Rest Encryption
  - Data-in-Transit Encryption
  - Key Management Strategies
4. Optimization Framework Design
  - Performance Analysis and Overhead Reduction
  - Access Control and Encryption Policies
  - Integration with Cloud Storage Platforms
5. Implementation and Integration
  - Encryption Algorithms and Libraries
  - Key Management Systems
  - Integration with Cloud Storage Providers