mac加密

You encrypt your Mac’s system drive?like you should: if your computer is stolen, your data is safe from prying eyes. But on your desk, right next to your Mac, is a carbon copy of everything on your hard drive: your Time Machine backup. Wouldn’t anyone who grabbed that drive have access to all the same information?

您可以按以下方式對Mac的系統驅動器進行加密：如果計算機被盜，則可以安全地窺探數據。 但在Mac旁邊的辦公桌上，是硬盤驅動器上所有內容的副本： Time Machine備份。 抓住該驅動器的任何人都無法訪問所有相同的信息嗎？

Yes they would, which is why it’s important to encrypt your Time Machine drive. There are two ways to do this, and both are relatively straightforward. You can retroactively encrypt your existing Time Machine backup, which allows you to keep your old backups. The downside: this retroactive encryption can take a long time, which is why you might want to simply create an encrypted partition using Disk Utility and back up to that. Let’s go over both options.

是的，他們會這么做，因此加密Time Machine驅動器很重要。 有兩種方法可以做到，而且都相對簡單。 您可以追溯加密現有的Time Machine備份，從而可以保留舊的備份。 缺點：這種追溯加密可能需要很長時間，因此您可能只想使用Disk Utility創建一個加密分區并備份到該分區。 讓我們來看看這兩個選項。

緩慢但無損的選擇：加密當前備份 (The Slow, But Non-Destructive Option: Encrypt Your Current Backups)

If you have Time Machine set up on your Mac already, you can encrypt your drive retroactively. The process is going to take a while—for a one terabyte mechanical drive, the process could take more than 24 straight hours—but you can start and stop the process as many times as you like.

如果Mac上已經設置了Time Machine，則可以追溯加密驅動器。 該過程將花費一些時間-對于一個1 TB的機械驅動器，該過程可能需要連續24個小時以上的時間-但您可以隨意啟動和停止該過程多次。

Head to System Preferences > Time Machine, then click “Select Disk.”

轉到“系統偏好設置”>“ Time Machine”，然后單擊“選擇磁盤”。

Select your current backup drive, then click “Remove Disk.”

選擇您當前的備份驅動器，然后單擊“刪除磁盤”。

Yes, we have to remove the drive before we can start encrypting, but don’t worry: your backups will remain on the drive. Click the “Select Backup Disk” button.

是的，我們必須先刪除驅動器，然后才能開始加密，但是請放心：您的備份將保留在驅動器上。 單擊“選擇備份磁盤”按鈕。

Click your old Time Machine drive in the list of options, then check the “Encrypt backups” option.

單擊選項列表中的舊Time Machine驅動器，然后選中“加密備份”選項。

You will be asked to create a password, and to leave a hint. Note that the hint field is mandatory: you can’t continue without adding one.

系統將要求您創建一個密碼并提出提示。 請注意，提示字段是必填字段：如果不添加提示字段，則無法繼續。

If you lose this password, you can’t recover any files from the drive, so don’t lose the password. Write it down and store it somewhere safe, like a lock box, and also store it in your password manager. If you need help thinking of a password, click the key icon to bring up the macOS password assistant.

如果您丟失了該密碼，則無法從驅動器中恢復任何文件，因此請不要丟失密碼。 將其寫下并存儲在安全的地方(例如密碼盒)，然后將其存儲在密碼管理器中。 如果需要有關密碼的幫助，請單擊鍵圖標以啟動macOS密碼助手。

Once you’ve set a password, click “Encrypt disk.” Your mac will start encrypting the drive; you can check the progress in the Time Machine pane in system settings.

設置密碼后，點擊“加密磁盤”。 您的Mac將開始加密驅動器； 您可以在系統設置的“時間機器”窗格中查看進度。

This one-time process is not fast. Like we said before, a one terabyte drive can easily take more than 24 hours. You don’t need to leave the drive connected until the process is done: unmount the drive and encryption will start again the next time it’s connected. And backups will continue as normal during the encryption process.

這一一次性過程并不快。 就像我們之前說過的，一個1 TB的驅動器很容易花費超過24個小時。 在完成該過程之前，無需保持驅動器處于連接狀態：卸載驅動器，加密將在下次連接時再次開始。 備份將在加密過程中照常繼續。

最快的選擇：設置新的加密備份 (The Quickest Option: Set up a New Encrypted?Backup)

If you’re setting up a new hard drive with Time Machine, or are simply willing to start over with a clean partition in order to avoid a long encryption period, you can set up an encrypted partition using Disk Utility. which you can find in Applications > Utilities. To get started, click your external drive in the left panel, then click the “Erase” button in the toolbar.

如果要使用Time Machine設置新的硬盤驅動器，或者只是為了避免較長的加密時間而愿意從一個干凈的分區重新開始，則可以使用“磁盤工具”來設置一個加密的分區。 您可以在“應用程序”>“實用程序”中找到該文件。 要開始使用，請單擊左側面板中的外部驅動器，然后單擊工具欄中的“擦除”按鈕。

Give the partition some sort of time-travel-related name, then click the “Format” dropdown option.

為分區分配一些與時間旅行相關的名稱，然后單擊“格式”下拉選項。

Choose “Mac OS Extended (Journaled, Encrypted)” from the choices offered, then click the “Erase” button. You will be asked to choose an encryption key.

從提供的選項中選擇“ Mac OS Extended(已日記，已加密)”，然后單擊“擦除”按鈕。 系統將要求您選擇一個加密密鑰。

Whatever you choose, make sure you don’t lose this key: you won’t be able to recover files from your drive without it. Write it down and put the in your lock box, and store it in your password manager. If you like, you can click the Key icon to bring up the Password Assistant, which can help you create a password.

無論選擇什么，請確保您不會丟失該密鑰：沒有該密鑰，您將無法從驅動器中恢復文件。 寫下來，然后將其放入您的密碼箱，并將其存儲在密碼管理器中。 如果愿意，可以單擊“鑰匙”圖標以打開“密碼助手”，它可以幫助您創建密碼。

When you’re done, click “Choose” and the drive will be re-formatted. Head to Time Machine preferences and set up your newly encrypted drive as your Time Machine backup. You now have an encrypted Time Machine backup, without the waiting period of the above method.

完成后，單擊“選擇”，驅動器將重新格式化。 轉到Time Machine首選項，并將新加密的驅動器設置為Time Machine備份。 現在，您將獲得加密的Time Machine備份，而無需等待上述方法。

Photo credit:?Valerie Everett

圖片來源： Valerie Everett

翻譯自: https://www.howtogeek.com/305540/how-to-encrypt-your-macs-time-machine-backup/

mac加密

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