IoT & Hardware
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You're reading from  BeagleBone for Secret Agents

Product typeBook
Published inSep 2014
PublisherPackt
ISBN-139781783986040
Edition1st Edition
Tools
BeagleBone
Concepts
Embedded Systems
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Author (1)
Joshua Datko
Joshua Datko
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Joshua Datko

Josh Datko is the founder of Cryptotronix, LLC, an open source hardware company that specializes in embedded, cryptographic electronics. He graduated with distinction from the US Naval Academy with a Bachelor's of Science in Computer Science and then served 10 years in the Navy, both actively and as a reserve submarine officer. He has been deployed to locations worldwide including Afghanistan in support of Operation Enduring Freedom. In 2014, Josh presented at both the HOPE and DEF CON conferences. He completed his Master's of Science in Computer Science, with a focus on security and networking, from Drexel University.
Read more about Joshua Datko

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Protecting your GPG key with a TPM

If you want, you could stop the project now and happily use GPG on your BBB. But if you do, you would miss out on adding some extra protection with the CryptoCape, specifically, the Trusted Platform Module (TPM). In the upcoming sections, we will use the TPM to protect our GPG private key.

Introducing trusted computing

The TPM is a cryptographic co-processor. The TPM on the CryptoCape is Atmel's embedded I2C version, which conforms to version 1.2 of the TPM spec published by the Trusted Computing Group (TCG). The TCG is an industry consortium that maintains and develops open specifications for trusted computing. Trusted in this sense is the definition from RFC 4949: a system that operates as expected, according to design and policy.

Cryptographically, TPM 1.2 is limited. It implements the RSA algorithm, SHA-1, has an internal random number generator, and some limited storage. It does not provide any symmetric ciphers. These limitations were a result of the...

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BeagleBone for Secret Agents
Published in: Sep 2014Publisher: PacktISBN-13: 9781783986040
© 2014 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Joshua Datko

Josh Datko is the founder of Cryptotronix, LLC, an open source hardware company that specializes in embedded, cryptographic electronics. He graduated with distinction from the US Naval Academy with a Bachelor's of Science in Computer Science and then served 10 years in the Navy, both actively and as a reserve submarine officer. He has been deployed to locations worldwide including Afghanistan in support of Operation Enduring Freedom. In 2014, Josh presented at both the HOPE and DEF CON conferences. He completed his Master's of Science in Computer Science, with a focus on security and networking, from Drexel University.
Read more about Joshua Datko

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