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45 Acer Trusted Platform Module (TPM) With the development of TCG (Trusted Computing Group, the Acer Trusted Platform Module offers the cryptographic implementations of RSA and hash algorithms (SHA-1 and MD-5) for highest possible performance, as well as a true random number generator (TRNG). The Acer Security Platform Solution Software is a comprehensive set of tools that takes advantage of the Trusted Platform Module embedded in your system. This solution provides services to easily create digital certificates using the Trusted Platform Module and to manage these certificates. You can use the certificates to: • Send and receive secure e-mail from e-mail clients like Microsoft Outlook Express, Microsoft Outlook or Netscape Messenger • Set up browser (e.g. Netscape Navigator or Internet Explorer) and web server (e.g. Microsoft Internet Information Server) for Client Authentication • Sign Microsoft Word macros. • Encrypt files and folders • Secure network connections User roles Security Platform Solution involves several user roles: • All Security Platform user roles are based on Windows user accounts (local or domain users). These user accounts have been authenticated by Windows logon. • Each user role has an intended purpose. • When the Security Platform is configured, members of different user roles are initialized. • Acting a specific user role requires a specific authentication (e.g. providing a specific password). • A person can act multiple user roles. The following table lists all user roles. User Roles: User Role Based on... Purpose & Tasks Initialization Authentication Security Platform Owner Windows user account (local or domain), member of the Administrators group Perform critical administrative tasks, e.g. restoration of Security Platform. Security Platform Initialization enables a Windows user to act as a Security Platform Owner. Owner Password English English English 46 User Roles: User Role Based on... Purpose & Tasks Initialization Authentication Security Platform Windows user Perform No special Apart from the Administrator account (local or administrative initialization authentication as (also called just domain), tasks, which necessary. Windows "Administrator") member of the Administrators group require Windows administrative rights. administrator, some administrative tasks require access to special token files protected by dedicated passwords Security Platform Windows user Utilize Security Security Platform Basic User Password User (also called account (local or Platform User Initialization just "User") domain) Features, e.g. file and folder encryption or secure e-mail. Configure features and perform user- specific Security Platform tasks. enables a Windows user to act as a Security Platform User. Initialization and Administration of the Acer Security Platform The initial status of the Acer Security Platform is disabled by default on delivery to the customer. This ensures that no flow of confidential information from the Acer Security Platform back to Acer can occur in this phase, as there are no shared secrets in any form. Before you can take advantage of your Acer Security Platform you must: • Enable the Acer Security Platform. To enable the chip, please see "Enabling or disabling Acer TPM security" on page 68. • Setup your Infineon Security Platform by starting the Acer Security Platform Initialization Wizard • Setup Acer Security Platform Users by starting the Infineon Security Platform User Initialization Wizard Refer to Infineon Security Platform Solution Tools for detailed information about the wizards and administrative tools. If the Infineon Security Platform and an Infineon Security Platform User have been setup, you are ready to obtain an Infineon Trusted Platform Module based certificate. User Authentication For security reasons, you need to authenticate to the Acer Security Platform before you can use security features. E.g. file encryption requires your Basic User Key which is protected with your Basic User Password. Typing in this password 47 means authenticating to the Security Platform. Only after successful authentication your Basic User Key can be used. The Acer Security Platform Solution provides two authentication levels to protect your Basic User Key: Password Authentication The Basic User Key is protected with the Basic User Password. This password has to be typed in manually. Enhanced Authentication The Basic User Key is protected with the Basic User Passphrase. This passphrase is securely stored by an authentication device, e.g. a SmartCard, a secure USB token, a fingerprint reader or another biometric authentication device. The passphrase can be accessed only by this authentication device, e.g. by inserting a SmartCard and typing in its PIN or by putting the finger on the fingerprint reader. Passwords and Passphrases With Password Authentication a "normal" password serves as Basic User Password. Although it is technically ...
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