https://bg5esn.com/tags/crac/ Recent content in CRAC on 大船地下室 Hugo zh-cn This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License. https://bg5esn.com/kb/trust-chain/ Mon, 01 Jan 0001 00:00:00 +0000 https://bg5esn.com/kb/trust-chain/ FMO 4.0 用“根证书 → 中间证书 → 用户证书”的三层 PKI 验证身份，私钥离线生成、不离开设备。