Introduction to Applied Cryptography and Cryptanalysis Learning Path
8 hours, 26 minutes
Quick facts
About this learning path
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courses
100% online
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Duration
8 hours, 26 minutes
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Assessment
questions
About Introduction to Applied Cryptography and Cryptanalysis
This learning path discusses applied cryptography and cryptanalysis. The fundamentals of cryptography are introduced as well as common applications of cryptography. The path also introduces weak algorithms used by malware, how to identify them and methods for deobfuscating the data.
Syllabus
Security+ - Cryptography
Lab - 00:30:00
When using the Internet, users retrieve or share information. Depending on the application, purpose, and implementation methods, the need to provide data confidentiality, integrity, and authenticity emerges. To ensure these requirements are fulfilled and that only authorized parties have access to the data, the information transmitted over the Internet is obfuscated.
Cryptography and Cryptanalysis Skill Assessment
Assessment - 69 questions
Introduction to Cryptography
Course - 00:28:00
Before diving into the details of how cryptography can be used and attacked in applications, it’s important to start out with the basics. This course defines some of the fundamental vocabulary of cryptography and discusses the most important guiding principles used when designing and implementing cryptosystems.
Fundamentals of Cryptography
Course - 00:21:00
Encryption algorithms all do the same job but can do it in very different ways. However, some features can be found across multiple families of cryptosystems. This course discusses some of the mathematical operations and structural design elements that can be found in many different cryptographic algorithms.
Symmetric Cryptography
Course - 00:46:00
Symmetric cryptography is one of the two major classifications of cryptographic algorithms. This course describes the main features of a symmetric algorithm and the two main subcategories of symmetric ciphers: block and stream. AES and RC4 are discussed as common examples of a block and a stream cipher.
Asymmetric Cryptography
Course - 00:36:00
Asymmetric encryption algorithms take a very different approach to encryption. This course discusses the mathematical principles that are the basis of asymmetric encryption, the ways that RSA and Diffie-Hellman work, how asymmetric cryptography provides more than just confidentiality, and the benefits of elliptic curve cryptography.
Hash Functions
Course - 00:17:00
Hash functions are cryptographic algorithms designed to provide integrity protections rather than confidentiality. This course walks through how collision resistance works (and its importance to hash functions) and describes the SHA hash family, which includes some of the most commonly used hash functions.
Public Key Infrastructure (PKI)
Course - 00:19:00
Public Key Infrastructure is what makes digital signatures and asymmetric cryptography usable in the real world. This course describes how PKI works, the roles and responsibilities of the parties involved, and some of the fundamental assumptions of PKI and their impacts on the security of the system.
SSL and TLS
Course - 00:26:00
Secure Sockets Layer (SSL) and Transport Layer Security (TLS) underpin the internet, providing confidentiality and authentication to protocols that were not designed to include them (like HTTP). This course describes the history of SSL/TLS, how it works at a high level and some of the main historical attacks against the protocols.
Virtual Private Networks (VPNs)
Course - 00:19:00
Virtual Private Networks (VPNs) are a common security tool used to provide an end-to-end encrypted connection between a client and an endpoint server. This course discusses the pros and cons of the major VPN protocols and some of the limitations of the protections provided to the user by VPN software.
Secure Credential Management
Course - 00:25:00
Passwords are a common method for performing authentication to a system. However, these authentication systems can be attacked in a variety of ways. This course describes how modern credential management systems overcome most attacks and provides case studies of organizations managing passwords poorly.
Full Disk Encryption
Course - 00:10:00
The increasing use of mobile devices and improper disposal practices for devices creates situations where an unauthorized party can steal data from a device. Full disk encryption can help to protect an individual’s data on a device; however, it is not always a perfect solution, as discussed in this course.
Blockchain Technology
Course - 00:25:00
Blockchain is a promising new technology that draws heavily on cryptographic algorithms to provide its promised features. This course discusses how blockchain technology works and some of the ways that it uses public key cryptography and hash functions to implement a decentralized, immutable public ledger.
Introduction to Cryptanalysis
Course - 00:37:00
Cryptographic algorithms, if used correctly, can render data impervious to attack. However, it is common for them to be used incorrectly. This course describes some of the obfuscation methods commonly used instead of strong cryptography and how to identify and break them to read the original data.
Applied Cryptanalysis
Course - 00:26:00
Cryptanalysis is a useful skill for incident response since many malware authors try to protect their data and network traffic through obfuscation. This course demonstrates how to decrypt TLS traffic in Wireshark, how to decode malware command-and-control traffic, and how to identify and break a common way of hiding downloaded malicious files.
Meet the author
Howard Poston
The details
Learning path insights
How to claim CPEs
Should you complete this learning path, you’ll be able to download a certificate of completion. Use this to claim your CPEs or CPUs.
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- Exploitation Analyst
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