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You're reading from  Modern Cryptography for Cybersecurity Professionals

Product typeBook
Published inJun 2021
PublisherPackt
ISBN-139781838644352
Edition1st Edition
Concepts
Cryptography
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Author (1)
Lisa Bock
Lisa Bock
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Lisa Bock

Lisa Bock is an experienced author with a demonstrated history of working in the e-learning industry. She is a security ambassador with a broad range of IT skills and knowledge, including on Cisco Security, CyberOps, Wireshark, biometrics, ethical hacking, and IoT. Lisa is an author for LinkedIn Learning and an award-winning speaker who has presented at several national conferences. She holds an MS in computer information systems/information assurance from UMGC. Lisa was an associate professor in the IT department at Pennsylvania College of Technology (Williamsport, PA) from 2003 until her retirement in 2020. She is involved with various volunteer activities, and she and her husband Mike enjoy bike riding, watching movies, and traveling.
Read more about Lisa Bock

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Comparing public-key algorithms

We understand what is required to create a strong algorithm and see the value in using a key pair. In this section, we'll take a look at a few public-key algorithms, such as RSA and ECC. We'll also see how PGP and GPG can secure our email with little or no effort. Finally, we'll discuss methods we use to ensure trust when using a public key.

Let's start with outlining how RSA is used to secure data.

Outlining RSA

In 1977, Ron Rivest, Adi Shamir, and Len Adleman developed RSA, a widely recognized cipher that is used in a number of different applications.

RSA uses a variety of encryption key lengths that include the following: 1,024-bit, 2,048-bit, and 4,096-bit lengths. The algorithm is used when sending a shared secret key in symmetric encryption. However, it can also be used to encrypt documents and create a digital signature.

Let's step through what is involved when calculating private and public keys using...

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Modern Cryptography for Cybersecurity Professionals
Published in: Jun 2021Publisher: PacktISBN-13: 9781838644352
© 2021 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Lisa Bock

Lisa Bock is an experienced author with a demonstrated history of working in the e-learning industry. She is a security ambassador with a broad range of IT skills and knowledge, including on Cisco Security, CyberOps, Wireshark, biometrics, ethical hacking, and IoT. Lisa is an author for LinkedIn Learning and an award-winning speaker who has presented at several national conferences. She holds an MS in computer information systems/information assurance from UMGC. Lisa was an associate professor in the IT department at Pennsylvania College of Technology (Williamsport, PA) from 2003 until her retirement in 2020. She is involved with various volunteer activities, and she and her husband Mike enjoy bike riding, watching movies, and traveling.
Read more about Lisa Bock

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