HP ProtectTools password guidelines - White Paper

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HP ProtectTools password guidelines

Table of contents

Introduction ......................................................................................................................................... 2

Overview of HP ProtectTools Security Manager ....................................................................................... 2

Supported keyboard layouts in Preboot Security and Drive Encryption ....................................................... 3

HP ProtectTools Security Manager filter logic ........................................................................................... 4

How Preboot Security handles dead keys ............................................................................................... 5

Exceptions .......................................................................................................................................... 6

Windows Input Method Editor (IME) is not supported ........................................................................... 6

Password changes using different keyboard layouts ............................................................................. 6

Some Asian Keyboards don‟t support numeric characters ..................................................................... 7

What to do when a password is rejected ............................................................................................... 7

Special key handling ............................................................................................................................ 7

Chinese, Slovakian, Canadian French, Czech, and Korean .................................................................. 7

Characters not supported .................................................................................................................. 7

For more information ............................................................................................................................ 9

Summary of content (9 pages)

PAGE 1
HP ProtectTools password guidelines Table of contents Introduction ......................................................................................................................................... 2 Overview of HP ProtectTools Security Manager ....................................................................................... 2 Supported keyboard layouts in Preboot Security and Drive Encryption .......................................................
PAGE 2
Introduction The purpose of this paper is to describe how HP ProtectTools Security Manager for Microsoft Windows implements password filter logic and to explain the requirements for setting a proper Windows password when using HP ProtectTools. HP has implemented the One Step Logon feature through HP ProtectTools software on 2008 and newer commercial HP Notebook PCs. The HP ProtectTools Security Manager wizard enables various security levels to protect the computer system and data from unauthorized access.
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mouse rather than pressing keys. The Drive Encryption software allows you to dynamically load the keyboard layouts if an incorrect keyboard is currently being used. Supported keyboard layouts in Preboot Security and Drive Encryption Table 1 contains a list of keyboards which HP supports in Preboot Security and Drive Encryption.
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HP keyboards supported Common name in Windows Vista or Windows 7 Code (hex) US US (International) US United States-International 0409 20409 HP ProtectTools Security Manager filter logic To prevent the user from being locked out by the Preboot Security or Drive Encryption logins, HP ProtectTools Security Manager uses a password filter to reject Windows passwords that may be unacceptable. The logic behind the password filter is shown in Figure 1.
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HP BIOS implements a second level password filter to ensure that the user is not locked out of the computer. Preboot Security and Drive Encryption contain the keyboard mappings for all the supported keyboards. When a user sets up or changes a password while the Preboot Security or Drive Encryption levels are enabled, Preboot Security and Drive Encryption receive the Unicode password hash from the OS.
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Exceptions Windows Input Method Editor (IME) is not supported WARNING When HP ProtectTools is deployed, passwords entered with Windows IME will be rejected. Windows features an IME that allows a user to compose thousands of complex characters and symbols, such as the many Japanese or Chinese characters, using a standard keyboard.
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Some Asian Keyboards don‟t support numeric characters Some standard Asian keyboards don‟t allow numeric characters. If a user tries to enter a number for password, it will be rejected on these keyboards.   Chinese Bopomofo Japanese What to do when a password is rejected If a password is rejected by HP ProtectTools for one of the reasons listed below, follow the appropriate procedure.  The password was typed using an unsupported IME keyboard.
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Keyboard Layout Czech Slovakian Windows × keys are rejected. On the second row, the å, ®, þ keys are rejected. On the third row, the á, ð, ø keys are rejected. On the bottom row, the æ key is rejected. The ğ key is rejected. The į key is rejected. The ų key is rejected. The ė ı ż keys are rejected.
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For more information To learn more about HP business notebooks, contact your local HP sales representative or visit www.hp.com/go/notebooks. © Copyright 2011 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty.