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You're reading from  Mastering Blockchain - Fourth Edition

Product typeBook
Published inMar 2023
PublisherPackt
ISBN-139781803241067
Edition4th Edition
Concepts
Blockchain
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Author (1)
Imran Bashir
Imran Bashir
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Imran Bashir

Imran Bashir has an M.Sc. in Information Security from Royal Holloway, University of London, and has a background in software development, solution architecture, infrastructure management, and IT service management. He is also a member of the Institute of Electrical and Electronics Engineers (IEEE) and the British Computer Society (BCS). Imran has extensive experience in both the public and financial sectors, having worked on large-scale IT projects in the public sector before moving to the financial services industry. Since then, he has worked in various technical roles for different financial companies in Europe's financial capital, London.
Read more about Imran Bashir

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Working with the OpenSSL command line

On the Ubuntu Linux distribution, OpenSSL is usually already available. However, it can be installed using the following commands:

$ sudo apt-get install openssl

Examples in this chapter have been developed using OpenSSL version 1.0.2t. It is available at https://packages.ubuntu.com/xenial/openssl. You are encouraged to use this specific version, as all examples in the chapter have been developed and tested with it. The OpenSSL version can be checked using the following command:

$ openssl version

If you see the following output,

OpenSSL 1.0.2t  10 Sep 2019

then you are all set to run the examples provided in this chapter. If you are running a version other than 1.0.2t, the examples may still work but that is not guaranteed, especially as older versions lack the features used in the examples and newer versions may not be backward compatible with version 1.0.2t, though less likely.

In the sections that follow, the theoretical foundations of cryptography...

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Mastering Blockchain - Fourth Edition
Published in: Mar 2023Publisher: PacktISBN-13: 9781803241067
© 2023 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Imran Bashir

Imran Bashir has an M.Sc. in Information Security from Royal Holloway, University of London, and has a background in software development, solution architecture, infrastructure management, and IT service management. He is also a member of the Institute of Electrical and Electronics Engineers (IEEE) and the British Computer Society (BCS). Imran has extensive experience in both the public and financial sectors, having worked on large-scale IT projects in the public sector before moving to the financial services industry. Since then, he has worked in various technical roles for different financial companies in Europe's financial capital, London.
Read more about Imran Bashir

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