From b16a360a4d4026c83c7c37f8e703191277e21af9 Mon Sep 17 00:00:00 2001 From: nitininhouse Date: Fri, 30 May 2025 11:53:48 +0530 Subject: [PATCH] added my proposal --- request_for_proposals/ ddc-sdk-encryption.md | 127 +++++++++++++++++++ 1 file changed, 127 insertions(+) create mode 100644 request_for_proposals/ ddc-sdk-encryption.md diff --git a/request_for_proposals/ ddc-sdk-encryption.md b/request_for_proposals/ ddc-sdk-encryption.md new file mode 100644 index 0000000..9912a36 --- /dev/null +++ b/request_for_proposals/ ddc-sdk-encryption.md @@ -0,0 +1,127 @@ +# DDC SDK Built-in Encryption for Secure Data Storage + +## Proposal submitted to Cere Foundation on [30th May 2025] by Nitin Gupta + + +## Abstract +This proposal aims to implement built-in encryption capabilities for Cere's Decentralized Data Cluster (DDC) SDK, enabling automatic client-side encryption during uploads and decryption during downloads. Currently, developers must implement encryption manually, which is error-prone and non-uniform. This project will embed encryption directly into the DDC SDK core, Playground, and CLI, making "privacy by default" a seamless part of every data flow. The solution will include a Cipher interface, AES-GCM encryption implementation, UI controls for the Playground, and command-line flags for the CLI. + +## Team 🧑‍🤝‍🧑 + +### Team members +- Nitin Gupta + + +### Contact +- **Contact Name:** Nitin Gupta +- **Contact Email:** nitingupta6182345@gmail.com + + + +### Team Code Repos +- https://github.com/nitininhouse/ + + +### Team LinkedIn Profiles +- https://www.linkedin.com/in/nitin-gupta-8918b2280/ + +## Development Roadmap :nut_and_bolt: + +### Overview +- **Total Estimated Duration:** 3-4 weeks +- **Full-Time Equivalent (FTE):** 1.0 + +### Milestone 1 — Core SDK Encryption Implementation +- **Estimated Duration:** 2 weeks +- **FTE:** 1.0 + +| Number | Deliverable | Specification | +| -----: | ----------- | ------------- | +| 1a | Cipher Interface Design | Define TypeScript interface with encrypt/decrypt methods accepting Uint8Array | +| 1b | DdcClientOptions Extension | Add optional cipher field to existing options interface | +| 1c | DdcClient Integration | Modify constructor, upload(), and download() methods to handle encryption | +| 1d | AES-GCM Implementation | Create production-ready AES-GCM cipher class | +| 1e | Unit Tests | Comprehensive test suite with mock XOR cipher and integration tests | +| 1f | Documentation | Update SDK documentation with encryption examples | + +**Acceptance Criteria:** +- Cipher interface properly defined and exported +- Upload/download flows seamlessly handle encryption when cipher provided +- All existing functionality remains unchanged (backward compatibility) +- Unit tests achieve >95% coverage +- Integration tests verify round-trip encryption/decryption + +### Milestone 2 — Playground Integration +- **Estimated Duration:** 2 weeks +- **FTE:** 1.0 + +| Number | Deliverable | Specification | +| -----: | ----------- | ------------- | +| 2a | UI Components | Encryption checkbox, key input field, download & decrypt button | +| 2b | React Integration | Connect UI controls to SDK encryption functionality | +| 2c | User Experience | Intuitive flow for enabling/disabling encryption | +| 2d | Error Handling | Proper error messages for invalid keys or decryption failures | +| 2e | Visual Feedback | Clear indicators when files are encrypted vs plain | + +**Acceptance Criteria:** +- Encryption can be toggled on/off in Playground UI +- Users can input custom encryption keys +- Encrypted uploads show unintelligible data when downloaded directly +- "Download & Decrypt" successfully retrieves original plaintext +- Error handling provides clear feedback to users + +### Milestone 3 — CLI Enhancement +- **Estimated Duration:** 1 weeks +- **FTE:** 1.0 + +| Number | Deliverable | Specification | +| -----: | ----------- | ------------- | +| 3a | Command Flags | Implement --encrypt and --key flags for upload/download | +| 3b | Argument Parsing | Robust parsing and validation of encryption parameters | +| 3c | CLI Integration | Connect flags to SDK encryption functionality | +| 3d | Help Documentation | Update CLI help text with encryption examples | +| 3e | End-to-End Testing | Verify CLI encryption workflow on testnet | + +**Acceptance Criteria:** +- `ddc upload --encrypt --key ` successfully encrypts files +- `ddc download --encrypt --key ` successfully decrypts files +- Invalid keys or missing flags provide helpful error messages +- Help documentation clearly explains encryption usage +- CLI maintains all existing functionality + +## Future Plans + +**Long-term Maintenance:** +- Establish monitoring for encryption/decryption performance +- Plan for future cryptographic standard updates (post-quantum readiness) +- Consider integration with hardware security modules (HSMs) + +**Short-term Enhancement:** +- Gather community feedback on encryption UX +- Optimize performance for large file encryption +- Add support for multiple encryption algorithms +- Create developer tutorials and best practices guide + +**Long-term Vision:** +- Contribute to Cere ecosystem as ongoing community member +- Explore advanced features like key derivation and rotation +- Potential collaboration on future Cere infrastructure projects + +## Preferred method of funds delivery +- USDC on Ethereum address: [Your 0x address] + + + +## Additional Details + +**Technical Approach:** +- Use Web Crypto API for browser compatibility +- Implement secure key handling with proper warnings +- Follow cryptographic best practices (authenticated encryption) +- Ensure consistent behavior across SDK, Playground, and CLI + +**Risk Mitigation:** +- Comprehensive testing strategy including edge cases +- Security review of cryptographic implementation +- Performance benchmarking for large files +- Backward compatibility validation