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iStorage datAshur User Guide
®
User Guide
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iStorage datAshur User Guide
Copyright © iStorage Limited, 2011, 2012. All rights reserved.
Windows is a registered trademark of Microsoft Corporation.
All other trademarks and copyrights referred to are the property of their
respective owners.
Distribution of substantively modified versions of this document is prohibited
without the explicit permission of the copyright holder.
Distribution of the work or derivative work in any standard (paper) book form
for commercial purposes is prohibited unless prior permission is obtained from
the copyright holder.
DOCUMENTATION IS PROVIDED AS IS AND ALL EXPRESS OR IMPLIED
CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY
IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
PURPOSE OR NON-INFRINGEMENT, ARE DISCLAIMED, EXCEPT TO THE EXTENT
THAT SUCH DISCLAIMERS ARE HELD TO BE LEGALLY INVALID
iStorage shall not be liable by virtue of this warranty, or otherwise, for any
incidental, special or consequential damage including any loss of data resulting
from use or operation of the product, whether or not iStorage was apprised of
the possibility of such damages
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Table of Contents
Introduction 4
LED Indicators 4
How to change User PIN 5
How to create a new User Pin 6
How to configure the datAshur with Windows after a
Complete reset 6-7
How to unlock drive with User PIN 8
How to lock the iStorage datAshur 8
How to create an Admin PIN 8-10
How to unlock with Admin PIN 10
How to change Admin PIN 11
How to reset the drive 12
Frequently asked questions 13-14
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Note: The datAshur rechargeable battery is not fully charged, we
recommend the battery be charged prior to first use. Please plug in the
datAshur drive to a powered USB port for 60 minutes to fully charge the
battery.
Introduction
Thank you for purchasing the iStorage datAshur, a PIN activated, hardware encrypted USB flash drive.
The iStorage datAshur uses military grade AES 256-bit hardware encryption, which encrypts all data stored on
the drive in real-time. The datAshur requires no software and is OS and host independent. The datAshur
incorporates a rechargeable battery allowing the user to enter a 7-15 digit PIN (Personal Identification Number)
onto the on-board keypad before connecting the drive to the USB port. Should the drive be lost or stolen, the
user can rest assured that all data held on the datAshur is safe and cannot be accessed by any unauthorised
person.
The datAshur can be created with both User and Admin PINs, making it perfect for corporate and government
deployment.
As the iStorage datAshur is unlocked with the on-board keypad and not with the keyboard, it is not vulnerable to
software/hardware based key-loggers or brute force attacks.
1. LED indicators
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Note: Unless otherwise noted, all INSTRUCTION steps are performed when datAshur is
not connected to a computer.
The datAshur is shipped with a default User PIN of 1-1-2-2-3-3-4-4 and
although it can be used straight out of the box with the default PIN, for security reasons,
we highly recommend that a new User PIN be created immediately by following
instructions under heading 2 “How to change User PIN”.
2. How to change User PIN
If you forget your User PIN and no Admin PIN exists, or you forget both PINs, all data will
be inaccessible.
PIN requirements:
Must be between 7-15 digits in length
Must not contain repeating numbers/letters, e.g., (3-3-3-3-3-3-3)
Must not contain sequential numbers/letters, e.g., (1-2-3-4-5-6-7), (7-8-9-0-1-2-3-4-5-6),
(7-6-5-4-3-2-1)
Note: If a mistake was made while defining a new PIN or the procedure was not completed, the drive
will retain the old PIN.
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3. How to create a new User PIN
A new encryption key is automatically created under the following circumstances:
After hacking detection has been triggered by 10 successive failed attempts to unlock.
Drive has been manually reset (see heading 10).
When either of the above two scenarios occur, it will be necessary to set a new User PIN by
following the instructions below.
User PIN requirements:
Must be between 7-15 digits in length
Must not contain repeating numbers/letters, e.g., (3-3-3-3-3-3-3)
Must not contain sequential numbers/letters, e.g., (1-2-3-4-5-6-7), (7-8-9-0-1-2-3-4-5-6),
(7-6-5-4-3-2-1)
Note: A user PIN can only be defined when the red LED is lit in a constant state or
changed when the green LED is blinking (unlocked). Neither User nor Admin PINs can
be created while drive is connected to a host computer.
4. How to configure the datAshur with Windows after a complete reset
In the event that hacking detection has been triggered by entering the incorrect PIN 10 times in
succession or the drive has been reset, all data on the drive will be lost forever. Once a new User PIN
has been created, the datAshur drive will need to be initialised and formatted.
To initialise your datAshur drive, do the following:
1. Create a new User PIN (see point 3 above)
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2. Unlock the datAshur drive by entering the new User PIN and connect to a computer
3. Right-click MY Computer and then click Manage.
4. In the Computer Management window, click “Disk Management”. In the “Disk
Management” window, the datAshur drive is recognised as a removable device in raw
format.
5. Do the following to make the drive recognised as a basic drive.
Right-click Removable Raw drive, in the blank area under the unallocated
section and the select “Format”
6. The Format window opens.
7. Select FAT32 or NTFS depending on your needs and click OK
8. Click OK on the Format warning window
9. While the datAshur drive is formatting the Blue LED will be flashing
10. When finished, the Blue LED will be on solid and your datAshur drive is ready for use.
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5. How to unlock drive with User PIN
Once the User PIN is created, all data stored on the iStorage datAshur is encrypted, in hardware, to
the AES 256-bit CBC specification. In order to access the data stored on the drive, you must first
unlock the drive with your User PIN.
Note: Once unlocked, the Green LED will blink for 30 seconds, within which time the drive
needs to be connected to the USB port. If no connection is detected within 30 seconds, the
drive will lock and you will need to start the process of unlocking again.
6. How to lock the iStorage datAshur
The iStorage datAshur automatically locks when unplugged from the host computer or power to the
USB port is turned off. Data is kept locked using AES 256-bit CBC encryption.
7. How to create an Admin PIN
An Admin PIN is a useful feature for corporate deployment, for example:
Recovering data from a drive and configuring a new User PIN in the event an employee has
forgotten their PIN
Retrieving data from a drive if an employee leaves the company
Entering the Admin PIN to access a locked drive will clear the User PIN. If a user forgets
their PIN, access to their drive is regained by defining a new user PIN. For security
reasons, we highly recommend that a new User PIN be created immediately once the
drive has been unlocked using the Admin PIN.
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On
Off
Single blink
Double blink
On
On
On
On
On
Off
Off Off
t
Admin PIN requirements:
Must be between 7-15 digits in length
Must not contain repeating numbers/letters, e.g., (3-3-3-3-3-3-3)
Must not contain sequential numbers/letters, e.g., (1-2-3-4-5-6-7), (7-8-9-0-1-2-3-4-5-6),
(7-6-5-4-3-2-1)
If the drive has been reset or hacking detection has been triggered (i.e., no User or Admin PIN exist),
the instructions below can be followed. If a User PIN already exists, the datAshur must be unlocked
first with the user PIN by following instructions under heading 5, before an Admin PIN can be created
by following instructions below.
Figure 1 below shows the green blinking characteristics when the drive is opened in User mode versus
Admin mode.
Figure 1: User Mode single blink LED output compared to Admin Mode double blink
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3 seconds
3 seconds
1/4 sec
User
Administrator
Figure 2 below shows the difference between pressing KEY button to set the User PIN vs setting the
Admin PIN.
Figure 2: Key entry for User/Admin mode selection
8. How to unlock with ADMIN PIN
Entering the Admin PIN to unlock the drive will reset the User PIN. For security reasons,
we recommend that a new User PIN be created immediately once the drive has been
unlocked using the Admin PIN.
Note: Green LED will blink for 30 seconds, within which time the drive needs to be connected
to the USB port, if no connection is detected within 30 seconds, the drive will lock and you will
need to start the process of unlocking again.
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9. How to change ADMIN PIN
Changing the Admin PIN will reset the User PIN. For security reasons, we recommend
that a new User PIN be created immediately once the drive has been unlocked using the
Admin PIN.
PIN requirements:
Must be between 7-15 digits in length
Must not contain repeating numbers/letters, e.g., (3-3-3-3-3-3-3)
Must not contain sequential numbers/letters, e.g., (1-2-3-4-5-6-7), (7-8-9-0-1-2-3-4-5-6),
(7-6-5-4-3-2-1)
Once an Admin PIN has been created, the datAshur needs to be unlocked by the administrator in
order to change the Admin PIN. The Admin PIN
cannot
be changed from user mode.
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11. FREQUENTLY ASKED QUESTIONS
a. How to unlock drive if battery is dead
Your iStorage datAshur is supplied with a built-in rechargeable battery. If the battery is fully
discharged, you may still continue to use the product by following the instructions below:
a) Connect the iStorage datAshur to a USB port on any computer
b) While the datAshur is connected to the computer, enter the User or Admin PIN to unlock the drive
c) Whilst connected to the USB port, the internal battery will automatically charge. We recommend
you keep the drive connected for 1 hour to fully charge the battery.
b. Forgotten your PIN
If you forget the User and Admin PINs, there is absolutely no way of gaining access to the data stored
on the drive, there are no backdoors into the drive. You may continue to re-use the iStorage datAshur
by resetting it, however by doing so all data previously stored on the drive will be lost forever.
To reset the iStorage flash drive, follow instructions under heading 10. Once that is done, the
following occurs:
The existing encryption key is deleted
The User and Admin PINs are deleted
All data previously stored on the drive will be lost forever
c. Brute Force Hack Defence Mechanism
After 10 consecutive incorrect PIN attempts, the following occurs:
The existing encryption key is deleted
The User and Admin PINs are deleted
All data previously stored on the drive will be lost forever
The iStorage datAshur, unlike other similar drives, is preloaded with an unlimited number of randomly
generated encryption keys. Each time hacking is detected (i.e. the wrong PIN is entered a total of 10
consecutive times), the current encryption key is deleted and once a new User PIN is created the
drive randomly generates a new encryption key. Because of this, the iStorage datAshur will have to
be formatted after each time the defence mechanism is triggered.
d. Will unlocking the drive with the Admin PIN delete the User PIN?
Entering the Admin PIN to access a locked drive will clear the User PIN. If a user forgets their PIN,
access to their drive is regained by defining a new user PIN. For security reasons, we highly
recommend that a new User PIN be created immediately once the drive has been unlocked using the
Admin PIN.
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Therefore, the User PIN is deleted when:
The Admin PIN is used to unlock the drive. A new User PIN will need to be created.
When the Admin PIN is changed. A new User PIN will need to be created.
iStorage Limited
iStorage House
13 Alperton Lane
Perivale, Middlesex
UB6 8DH
www.istorage-uk.com
info@istorage-uk.com
Tel: +44 (0) 20 8991 -2620
Fax: +44 (0) 20 8991-6277
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