在加密阶段，当前输入的事件文本将存储在磁盘上，然后一个外部程序对它进行加密，加密后的文件将被读入并发送到Google服务器。

In the encryption stage, the currently entered event text will be stored on disk, an external program will encrypt it, and then the encrypted file will be read in and sent to Google's servers.

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文件加密：在操作系统文件驱动层将数据库的存储文件经过加密后存储到磁盘上。

File encryption: the operating system file driver layer will be stored in the database file encrypted after storage on the disk.

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