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Tue 星期二
10.28
2025
phantom-fhe-ram https://phantom.zone/posts/phantom-fhe-ram
Phantom VM team shared a blog post about FHE-RAM implementation, based on Poulpy library, supporting private read and write of encrypted RAM, with server knowing only RAM size and operation type, ensuring data privacy. Phantom VM 团队在博客中分享了FHE-RAM的实现，基于Poulpy库，支持加密RAM的私有读写，服务器仅知RAM大小和操作类型，确保数据隐私。
Notes
- FHE-RAM allows encrypted storage of RAM, with private read and write by users, and server knowing only operation type and RAM size
- GLWE and GGSW cryptography techniques support address decomposition and homomorphic operations
- 1MB RAM read delay is 302ms, write delay is 871ms, with parallel optimization potential
- Design includes key generation, data encryption, and read-write protocol, ensuring end-to-end privacy
- Open-source implementation provides detailed parameters and examples, facilitating integration and extension
- Suitable for distributed computing scenarios requiring high privacy protection