Encryption in Mac

External Drive


右键 - Encrypt

输入密码后, 右键会显示encrypting..., 但没有进度.


$ diskutil cs list

   +-> Logical Volume 37AD1D2C-10EA-4EA7-B63E-86DA3D89B160
            Disk:                  disk2
            Status:                Online
            Size (Total):          899354853376 B (899.4 GB)
            Conversion Progress:   6%
            Revertible:            Yes (unlock and decryption required)
            LV Name:               Encrypt
            Volume Name:           Encrypt
            Content Hint:          Apple_HFS

加密速度: Estimate roughly 4.5 hours per TB on a disk that is not in use.

Create a password-protected volumn

  1. Open DiskUtility
  2. File > New > Blank Disk Image.

Change password

Open DiskUtility


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