Cryptography final - Study guides, Class notes & Summaries
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Cryptography Final Exam (2023) Bundle
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CAB340 - Cryptography Final Exam Questions With Complete Solutions Graded A+
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What is Kerberos? - For authentication of users and services on distributed systems 
What are the 3 servers involved in Kerberos and what do they provide to the user? - KAS - issues a 
TGT to help communicate with TGS 
TGS - issues a ST to help log into remote server 
Server- C can login to S using an account on KAS 
What does WEP provide? - Login authentication, message confidentiality/integrity/authentication 
for 802.11 
WEP Login Process - - AP sends 128-bit challenge in plaintext 
- Client ...
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Cryptography Final Exam (2023)- Complete Questions & Answers (Graded A+)
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Cryptography Final Exam (2023)- Complete Questions & Answers (Graded A+) 
Cryptography Final Exam (2023)- Complete Questions & Answers (Graded A+) 
 
cryptology - ANSWER - science concerned with data communication and storage in secure and usually secret form. It encompasses both cryptography and cryptanalysis. 
 
cryptography - ANSWER - is the practice and study of techniques for secure communication in the presence of adversarial behavior 
 
cryptanalysis - ANSWER - The process of decrypting a...
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Cryptography Final Exam Study Guide- Questions & Answers (RATED A)
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What security services does cryptography provide? What security services does cryptography not provide? - ANSWER - Provides: 
Confidentiality 
Integrity 
Authentication 
Non Repudiation 
 
Does Not Provide: 
1. Access Control 
 
Data confidentiality: How to achieve data confidentiality? How to protect the confidentiality of bulk data (say 1 Giga bytes)? - ANSWER - Encryption 
 
What does Kerckhoffs' assumption/principle tell us? Why is it important? - ANSWER - "a cryptosystem should be s...
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Cryptography Final Exam (2023)- Complete Questions & Answers. (Graded 100%)
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Which encryption standard uses the same key to encrypt and decrypt messages? 
 
- Symmetric 
- Asymmetric 
- Rivest-Shamir-Adleman (RSA) 
- Digital Signature Algorithm (DSA) - ANSWER - Symmetric 
 
*Which algorithm is designated as Type 2 product by the National Security Agency (NSA)? 
 
- Pegasus 
- Secure Hash Algorithm 
- Skipjack 
- Data Encryption Standard (DES) - ANSWER - Skipjack 
 
What is the most commonly used format for certificates? 
 
- SHA-2 
- X.509 v1 
- X.509 v3 
- SHA-2 - ANSWE...
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CAB340 – Cryptography and Network Security Final Exam- Questions & Answers (VERIFIED)
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Distinguish between symmetric-key and asymmetric-key cryptosystems. - ANSWER - Aysmmetric key cryptography utilizes two separate keys, a public and a private key, as opposed to symmetric key cryptography, which only utilizes one key. 
While encryption and decryption in symmetric key cryptography is based on substitutions and permutations of symbols, encryption in asymmetric key cryptography is based off of applying mathematical functions to numbers. 
 
Distinguish between public and private keys...
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Cryptography Final Exam Questions And Answers
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Cryptography Final Exam Questions And Answers
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CAB340 – Cryptography and Network Security Final Exam- Questions & Answers (100% Correct)
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CAB340 – Cryptography and Network Security Final Exam- Questions & Answers (100% Correct) 
CAB340 – Cryptography and Network Security Final Exam- Questions & Answers (100% Correct) 
 
Distinguish between symmetric-key and asymmetric-key cryptosystems. - ANSWER - Aysmmetric key cryptography utilizes two separate keys, a public and a private key, as opposed to symmetric key cryptography, which only utilizes one key. 
While encryption and decryption in symmetric key cryptography is based on sub...
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Cryptography Final Exam (2023)- Complete Questions & Answers. (Graded A+)
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Keys used in an encryption, and the corresponding decryption functions must be the same - ANSWER - False 
 
For a Shannon cipher(E,D) defined over (k,m,c), D(k, E(k,m))=m - ANSWER - True 
 
Knowing that entropy is a measure of randomness (more randomness =less predictability = more entropy), we can tell that ABCDEFGHHHHHHH has higher entropy than ABCDEFGH - ANSWER - False 
 
For enhanced security, an organization should use secret encryption algorithms that nobody knows - ANSWER - False 
 
Hash ...
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Cryptography Final Exam (2023)- Complete Questions & Answers. (Graded A+)
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cryptology - ANSWER - science concerned with data communication and storage in secure and usually secret form. It encompasses both cryptography and cryptanalysis. 
 
cryptography - ANSWER - is the practice and study of techniques for secure communication in the presence of adversarial behavior 
 
cryptanalysis - ANSWER - The process of decrypting a message without knowing the cipher or key used to encrypt it. 
 
steganography - ANSWER - A field within cryptography; uses images to hide data. 
 
c...
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