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<?xml version='1.0' encoding='UTF-8'?>
<!DOCTYPE topic PUBLIC "-//OASIS//DTD DITA Topic//EN" "topic.dtd">
<topic xml:lang="en-us" id="vmencryption-encryption">
<title>Encrypting a VM</title>
<body>
<p>Encrypting a VM can be done either using <ph conkeyref="vbox-conkeyref-phrases/vbox-mgr"/> or the
<userinput>VBoxManage</userinput>. To encrypt an unencrypted VM with <userinput>VBoxManage</userinput>, use: </p>
<pre xml:space="preserve">VBoxManage encryptvm <varname>uuid</varname>|<varname>vmname</varname> setencryption --new-password <varname>filename</varname>|- \
--cipher <varname>cipher-ID</varname> --new-password-id <varname>ID</varname>
</pre>
<p>To supply the encryption password, point <userinput>VBoxManage</userinput> to the file where the password is
stored or specify <codeph>-</codeph> to let <userinput>VBoxManage</userinput> prompt for the password on the
command line. </p>
<p>The cipher parameter specifies the cipher to use for encryption and can be either <codeph>AES-128</codeph> or
<codeph>AES-256</codeph>. The appropriate mode of operation, such as GCM, CTR, or XTS will be selected by the VM
depending on the encrypting component. The specified password identifier can be freely chosen by the user and is
used for correct identification when supplying multiple passwords for the VM. </p>
</body>
</topic>
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