You're reading from Ethical Hacking Workshop

Product typeBook

Published inOct 2023

PublisherPackt

ISBN-139781804612590

Edition1st Edition

Concepts

Cybersecurity

Authors (2):

Rishalin Pillay

Mohammed Abutheraa

View More author details

What is encryption?

What exactly is encryption? It sounds complex, but it is not. Encryption involves a mathematical algorithm that changes (encodes) plain text data into something that is not readable (ciphertext). Encryption can be broken down into two main components:

An encryption algorithm, which is a set of mathematical calculations that serve a specific purpose. You will find that these algorithms are further split into symmetric and asymmetric algorithms, which we will cover a bit later. Essentially, an algorithm is used to encrypt data. It can also be coupled with an authentication measure to provide data integrity.
A cryptographic key. This key is a string of letters that is random, unpredictable, and varies in length and is used to encrypt or decrypt data.

Encryption is not new – it has been around for decades. There are historical accounts of encryption being used in ancient Egypt, whereby various hieroglyphics were changed to obscure the meaning...

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Ethical Hacking Workshop

Published in: Oct 2023Publisher: PacktISBN-13: 9781804612590

Authors (2)

Rishalin Pillay

Rishalin Pillay is an Offensive Cybersecurity expert who holds a number of awards and certifications from multiple companies in the Cybersecurity industry. He is well known for his contributions to online learning courses related to Red Teaming and as the author of Learn Penetration Testing. He holds Content Publisher Gold and Platinum awards for his contributions made towards the Cybersecurity Industry, including the Events Speaker Gold award for influential public speaking at Tier-1 business events.
Read more about Rishalin Pillay

Mohammed Abutheraa

Mohammed Abutheraa is Cybersecurity specialist who has over 15 years of experience in IT security, risk management, security infrastructure, and technology implementation in both private and public sector environments. He worked as Incident Response and Remediation Advisor and supported customers remediating against major incidents in the last years. He has experience in Threat Intelligence and Proactive Services like Vulnerability Assessments and Red / Purple Teaming experiences.
Read more about Mohammed Abutheraa

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Authors (2)

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