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Last change
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FE/Qt: bugref:10705. Merging r6149 from doc team's repo.
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| 1 | <?xml version='1.0' encoding='UTF-8'?>
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| 2 | <!DOCTYPE topic PUBLIC "-//OASIS//DTD DITA Topic//EN" "topic.dtd">
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| 3 | <topic xml:lang="en-us" id="vmencryption">
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| 4 | <title>Encryption of VMs</title>
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| 5 |
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| 6 | <body>
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| 7 | <p><ph conkeyref="vbox-conkeyref-phrases/product-name"/> enables you to transparently encrypt the VM data stored in
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| 8 | the configuration file, saved state, and EFI boot data for the guest. </p>
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| 9 | <p><ph conkeyref="vbox-conkeyref-phrases/product-name"/> uses the AES algorithm in various modes. The selected mode
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| 10 | depends on the encrypting component of the VM. <ph conkeyref="vbox-conkeyref-phrases/product-name"/> supports
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| 11 | 128-bit or 256-bit data encryption keys (DEK). The DEK is stored encrypted in the VM configuration file and is
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| 12 | decrypted during VM startup. </p>
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| 13 | <p>Since the DEK is stored as part of the VM configuration file, it is important that the file is kept safe. Losing
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| 14 | the DEK means that the data stored in the VM is lost irrecoverably. Having complete and up-to-date backups of all
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| 15 | data related to the VM is the responsibility of the user. </p>
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| 16 | <p>The VM, even if it is encrypted, may contain media encrypted with different passwords. To deal with this, the
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| 17 | password for the VM has a password identifier, in the same way as passwords for media. The password ID is an
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| 18 | arbitrary string which uniquely identifies the password in the VM and its media. You can use the same password and
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| 19 | ID for both the VM and its media. </p>
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| 20 | </body>
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| 21 | </topic>
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