By Will Arthur, David Challener, Kenneth Goldman

ISBN-10: 1430265833

ISBN-13: 9781430265832

A realistic advisor to TPM 2.0: utilizing the relied on Platform Module within the New Age of safety is a straight-forward primer for builders. It indicates safeguard and TPM techniques, demonstrating their utilization in actual functions that the reader can try out out.

Simply placed, this ebook is designed to empower and excite the programming neighborhood to head out and do cool issues with the TPM. The method is to ramp the reader up fast and retain their curiosity. a pragmatic advisor to TPM 2.0: utilizing the relied on Platform Module within the New Age of safety explains defense suggestions, describes TPM 2.0 structure, and gives coding examples in parallel starting with extremely simple techniques and straightforward code to hugely complicated thoughts and code.

The publication comprises entry to a reside execution atmosphere (secure, hosted virtualization) and genuine code examples to get readers up and speaking to the TPM fast. The authors then aid the clients extend on that with genuine examples of helpful apps utilizing the TPM.

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Extra info for A Practical Guide to TPM 2.0: Using the Trusted Platform Module in the New Age of Security

Sample text

By making the EK a decryption-only key, as opposed to a signing key, it can’t be (directly) used to identify a particular TPM. Instead, a protocol is provided for making attestation identity keys (AIKs), which are pseudo-identity keys for the platform. Providing a protocol for using a privacy CA means the EKs can be used to prove that an AIK originated with a TPM without proving which TPM the AIK originated from. Because there can be an unlimited number of AIKs, you can destroy AIKs after creating and using them, or have multiple AIKs for different purposes.

However, the owner of the primary authorization knew those passwords, and delegation used precious NVRAM in the TPM. Even worse, the technique was difficult to understand and, as a result, was never employed to our knowledge. 0 specification has a completely different take, called enhanced authorization (EA). 2. In some environments, such as when BIOS has control of a TPM before the OS has launched, the added security obtained by using a hash message authentication code (HMAC) doesn’t warrant the extra software cost and complexity of using an HMAC authorization to use the TPM’s services.

It is important to realize that making things easy for the user at a small cost to security (leaving the drive open for the brief time while a BIOS upgrade was taking place) is usually a good tradeoff. Security that is hard to use is seldom used. When IBM came out with its first TPM solutions, several years before BitLocker saw the light of day, it also had to keep manageability problems in mind. 48 CHAPTER 4 N EXISTING APPLICATIONS THAT USE TPMS IBM File and Folder Encryption IBM had a similar problem when it allowed storage keys to be used for file and folder encryption to the TPM, and it solved the issue in a similar way.

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A Practical Guide to TPM 2.0: Using the Trusted Platform Module in the New Age of Security by Will Arthur, David Challener, Kenneth Goldman


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