How Meta Is Strengthening End-to-End Encrypted Backups
中文摘要
Meta 强化端到端加密备份安全
English Summary
Meta is strengthening end-to-end encrypted backups for WhatsApp and Messenger by using HSM-based Backup Key Vaults to store recovery codes in tamper-resistant hardware inaccessible to Meta.
Original Excerpt
The HSM-based Backup Key Vault Meta’s HSM-based Backup Key Vault provides the foundation for end-to-end encrypted backups for WhatsApp and Messenger. The system allows people to protect their backed-up message history with a recovery code, ensuring that the recovery code is stored in tamper-resistant hardware security modules (HSMs) and is inaccessible to Meta, cloud storage [...] Read More... The post How Meta Is Strengthening End-to-End Encrypted Backups appeared first on Engineering at Meta.