Cryptography and Information Assurance

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Cryptography and Information Assurance
IN SEMESTER (INDIVIDUAL) ASSIGNMENT
Answer all questions in detail.
Draft submission for feedback 21-Dec-2022
Deadline of submission: 25-Dec-2022
Feedback after the final evaluation will be provided by the instructor.
Must explain in detail each point with pictures (Include a shot screen picture for installation and implementation)
Around 5000 words are required.
0 similarity (plagiarism)
References APA style
Unit 3 / Unit 4 / Unit 5 (will provide for an assigned tutor for reviewing the topics)
Recommended Source 1: Understanding Cryptography: A Textbook for Students and Practitioners (pub.ro)
Recommended Source 2 : www.inf.ufsc.br/~bosco.sobral/ensino/ine5680/material-cripto-seg/2014-1/Stallings/Stallings_Cryptography_and_Network_Security.pdf
Module Learning Outcomes
The following LOs are achieved by the student by completing the assignment successfully
Analyze the basic principles of applying cryptography for providing security services against threats and vulnerabilities that appear in modern information system.
Application of the symmetric and asymmetric key encryption to protect the information assets to provide confidentiality, integrity, authentication, and non-repudiation to mitigate risk.
Evaluate security analysis of DES, AES, Hash functions and Digital Signature.
Assignment Objective
This assignment will allow students to understand the information security and the role of cryptography in securing information. This assignment will also empower students to evaluate the security requirements and planning strategies to protect information to mitigate threats and vulnerabilities.
Assignment Tasks
Task 1: (50 Marks)
Cryptography is the process to convert data from readable format to unreadable form to achieve certain security requirements such as to prevent a recipient from determining or altering the content of the message. Classically cryptography could be classified into three main branches which are symmetric encryption, asymmetric encryption, and hash functions. Symmetric cryptographic schemes are also referred to as single-key encryption, or secret key encryption. The secret key is used in the encryption process to introduce uncertainty for unauthorized receiver which can be removed in the process of decryption by an authorized receiver using the same secret key. This means that if the key is compromised, further secure communication is impossible to achieve with the that key. In this regard, prepare a report covering the following aspect of Cryptography.
a) Critically examine cryptography main security goals (25 Marks)
b) Examine types of attacks on encrypted messages (25 Marks)
Expectation: The literature is well supported with 4 or more in-text citation and referencing using APA 7th edition referencing style.
Task 2: (50 Marks)
Hash functions are an important cryptographic primitive and are widely used in the implementation of many protocols. A hash function is a mathematical algorithm that takes data of arbitrary length as input and maps it to a fixed length output. This output is called a message digest, a hash value, a hash code or simply a hash. A hash function that satisfies some additional requirements so that it can be used for cryptographic applications is known as a cryptographic hash function. These functions are essential constructs that have a variety of use cases. The main fields of their application are protection of stored passwords, message authentication, digital signatures, and therefore certificates. In this regard, provide a detailed report of the following aspect of the Hash functions.
a) Critically examine important properties of Hash functions (25 Marks)
b) Critically examine examples of cryptographic hash algorithms (25 Marks)
Expectation: The literature is well supported with 4 or more in-text citation and referencing using APA 7th edition referencing style.

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