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Merged
merged 1 commit into from
Jun 6, 2025

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Summary

Complete encryption architecture documentation for GhostPaste, including security best practices and implementation details.

What's included

Documentation Files

  • ENCRYPTION.md - Comprehensive encryption architecture

    • Architecture overview with flow diagrams
    • Security model and threat analysis
    • Implementation details with code examples
    • Usage guide for developers
    • Cryptographic specifications
    • Testing guidelines
  • SECURITY.md - Security best practices guide

    • Developer guidelines (key management, error handling)
    • User guidelines (URL sharing, PIN selection)
    • Incident response procedures
    • Security checklist for releases
  • R2_DIRECT_ACCESS.md - Future optimization guide

    • Direct browser-to-R2 architecture using presigned URLs
    • Implementation guide with code examples
    • Security considerations
    • Migration strategy from Worker proxy

Code Documentation

  • Enhanced inline documentation in core modules:
    • crypto.ts - Added security properties and detailed module docs
    • auth.ts - Added NIST references and security properties
    • binary.ts - Added binary format structure diagram
    • crypto-utils.ts - Added usage flow documentation

README Updates

  • Added links to new encryption and security documentation

Test plan

  • Review all documentation for accuracy
  • Verify code examples compile
  • Check all links work
  • Ensure diagrams render correctly

Closes #41

🤖 Generated with Claude Code

- Create ENCRYPTION.md with detailed architecture documentation
  - Architecture overview with mermaid diagrams
  - Security model and trust boundaries
  - Implementation details with code examples
  - Usage guide for developers
  - Threat model analysis
  - Cryptographic specifications
  - Testing guidelines

- Create SECURITY.md with security best practices
  - Developer guidelines (key management, error handling, etc.)
  - User guidelines (URL sharing, PIN selection, etc.)
  - Incident response procedures
  - Security checklist for releases

- Create R2_DIRECT_ACCESS.md for future optimization
  - Direct browser-to-R2 upload/download architecture
  - Presigned URL implementation guide
  - Security considerations for direct access
  - Migration strategy from Worker proxy

- Enhance inline code documentation
  - Add detailed module documentation to crypto.ts
  - Add security properties documentation to auth.ts
  - Add binary format structure to binary.ts
  - Add usage flow documentation to crypto-utils.ts

- Update README.md to reference new documentation

Closes #41

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>
@nullcoder nullcoder merged commit b100ca1 into main Jun 6, 2025
1 check was pending
@nullcoder nullcoder deleted the docs/encryption-architecture branch June 6, 2025 10:27
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docs: add encryption architecture documentation
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