Usage; Creating An Image; Off-Line Extraction Tool - Motorola MC40 User Manual

Save the text file as efsfile.
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Off-line Extraction Tool

The Secure Storage feature allows for the usage of an encrypted file system. The off-line extraction tool allows
encrypted file systems to be used on an Ubuntu version number 10.04LTS desktop. The off-line extraction tool
is a shell script used to create, mount and unmount an encrypted file system used with the Secure Storage
feature.
Connect the MC40 to the host computer

Usage

On a Ubuntu desktop, at a terminal prompt, type:
The following Main Menu appears:
[ Offline-extraction tool ]
1) Create an image
2) Mount an existing EFS image
3) Unmount final mount location, device mapper and loop device
4) Quit
Please, choose one from the list and press ENTER:

Creating an Image

To create an image:
From the Main Menu, select item 1. The following appears:
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Please enter EFS file name (e.g. /tmp/1.efsmot): <volume name>
Please enter encryption key (64-bytes hex value):
Please enter the EFS image size (in MB): <volume size in MB>
Please enter EFS image filesystem type (e.g. ext4, vfat...): ext4
DONE - OK
The utility first prompts for the name of the volume to create. Any ASCII string that meets standard Linux
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file naming rules is valid. Enter the image name and then press Enter.
The utility then prompts for the encryption key. This is a 64 byte hexadecimal value. Enter a string of 64
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hexadecimal digits and then press Enter.
The utility then prompts for the image size. Enter the size of the volume in MB. A number must be entered
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without the units. It is understood that MB. A value of 2000, is 2 GB. Note that 4 GB is the largest volume
that is supported on the MC40.
The utility lastly prompts for the filesystem type. Enter ext4 and then press Enter.
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The utility then creates the volume in the current working directory.
The utility then finishes the creation process and then prompts to whether the volume should be mounted.
Press [1] if you want to mount or press [2] if you want to exit
Press 1 will prompt for the mount point. For example, /mnt is prompted. Press Enter to mount the
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encrypted volume at the selected point. After mounting, an option to return to the Main Menu or Exit is
provided.
offline_extraction.sh
Administrator Utilities 6 - 17
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