Asymmetric cryptography Study guides, Class notes & Summaries
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![Computer Security Principles and Practice 4th Edition By William Stallings - Test Bank](/docpics/3469222/650ada5ed3493_3469222_121_171.jpeg)
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Computer Security Principles and Practice 4th Edition By William Stallings - Test Bank
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Chapter 2 – Cryptographic Tools 
 
TRUE/FALSE QUESTIONS: 
 
T	F	1. Symmetric encryption is used primarily to provide confidentiality. 
T	F	2. Two of the most important applications of public-key encryption are 
 digital signatures and key management. 
 
T	F	3. Cryptanalytic attacks try every possible key on a piece of ciphertext 
 until an intelligible translation into plaintext is obtained. 
 
T 	F	4. The secret key is input to the encryption algorithm. 
 
T	F	5. Triple DES tak...
![WGU C836 Fundamentals of Information Security Final Exam | Questions and Verified Answers| 2023/ 2024 Update](/docpics/3394137/64fa2a9d7804c_3394137_121_171.jpeg)
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WGU C836 Fundamentals of Information Security Final Exam | Questions and Verified Answers| 2023/ 2024 Update
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WGU C836 Fundamentals of Information Security Final Exam | Questions and Verified Answers| 2023/ 2024 Update 
 
Q: What process ensures compliance with applicable laws, policies, and other bodies of administrative control, and detects misuse? This task contains the radio buttons and checkboxes for options. The shortcut keys to perform this task are A to H and alt+1 to alt+9. 
 
A. Nonrepudiation 
B. Deterrence 
C. Auditing 
D. Accountability 
E. Authorization 
 
 
Answer: 
C. Auditing 
 
Lesson...
![WGU C839 - Intro to Cryptography with 100% Verified Questions And Answers](/docpics/3518635/651581e1848a4_3518635_121_171.jpeg)
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WGU C839 - Intro to Cryptography with 100% Verified Questions And Answers
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WGU C839 - Intro to Cryptography with 100% Verified Questions And Answers 
 
 
Which of the following most accurately defines encryption? 
 
A changing a message so it can only be easily read by the intended recipient 
 B Making binary changes to a message to conceal it 
C changing a message using complex mathematics D Applying keys to plain text A 
 
What type of encryption uses different keys to encrypt and decrypt the message? 
 
A Symmetric 
B Private key 
C Secure 
D Asymmetric D 
The m...
![Cryptography and Network Security Principles and Practice 8th Edition, William Stallings (SOLUTION MANUAL, 2024), All Chapters 1-20 Covered |Latest Complete Guide A+.](/docpics/4299118/65ae90dea6ba7_4299118_121_171.jpeg)
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Cryptography and Network Security Principles and Practice 8th Edition, William Stallings (SOLUTION MANUAL, 2024), All Chapters 1-20 Covered |Latest Complete Guide A+.
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Cryptography and Network Security Principles and Practice 8th Edition, William Stallings (SOLUTION MANUAL, 2024), All Chapters 1-20 Covered, Latest Guide A+. 
TABLE OF CONTENTS 
Chapter 1: Introduction..............................................................................................5 
Chapter 2: Classical Encryption Techniques ............................................................7 
Chapter 3: Block Ciphers and the Date Encryption Standard .............................. 13 
Cha...
![WGU C839 - Introduction to Cryptography| 190 QUESTIONS| WITH COMPLETE SOLUTIONS.](/docpics/6447be38b91f8_2653492.jpg)
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WGU C839 - Introduction to Cryptography| 190 QUESTIONS| WITH COMPLETE SOLUTIONS.
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WGU C839 - Introduction to Cryptography | 190 QUESTIONS | WITH COMPLETE SOLUTIONS. 
Serpent CORRECT ANSWERS: Symmetric Block Cipher 
Block Size: 128 bits 
Key Size: 128, 192, or 256 bits 
Rounds: 32 
Network: Substitution-Permutation 
Tiny Encryption Algorithm (TEA) CORRECT ANSWERS: Symmetric Block Cipher 
Block Size: 64 bits 
Key Size: 128 bits 
Cryptography CORRECT ANSWERS: Deciphering secret writings, kryptos means hidden and 
grafo means write. Must not be readable by interlopers over secure...
![WGU Master's Course C706 Secure Software Design Latest 2022](/docpics/63a31d9572076_2194462.jpg)
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WGU Master's Course C706 Secure Software Design Latest 2022
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WGU Master's Course C706 Secure Software Design Latest 2022Which two passwords are the weakest? 
 
A. Pa$$w0Rd%^78 
B. Love@$MySon80 
C. C@1Il@VEm1 
D. Password1234 - CORRECT ANSWERS BD 
 
Which two secure methods should be used to keep track of passwords? 
 
A. Encrypt text files of them on the user's workstation 
B. Store them on a sticky note in a convenient spot 
C. Share them with a trusted manager or coworker 
D. Organization-approved password storage software - CORRECT A...
![WGU D431 - Digital Forensics in Cybersecurity (DQO1 vocab & study guide) Questions & Answers..](/docpics/4375870/65b956c5719fa_4375870_121_171.jpeg)
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WGU D431 - Digital Forensics in Cybersecurity (DQO1 vocab & study guide) Questions & Answers..
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WGU D431 - Digital Forensics in Cybersecurity (DQO1 vocab & study guide) Questions & Answers..
![CAB340 – Cryptography and Network Security Final Exam- Questions & Answers .](/docpics/3115000/64bcfb1fc3fe7_3115000_121_171.jpeg)
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CAB340 – Cryptography and Network Security Final Exam- Questions & Answers .
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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...
![WGU C839- test Questions and Answers Already Passed](/docpics/633210079368d_1988096.jpg)
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WGU C839- test Questions and Answers Already Passed
- Exam (elaborations) • 10 pages • 2022
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WGU C839- test Questions and Answers Already Passed What is the block and key size for Blowfish - 64 bit block - 32-448 bit key 
What term from the list below best describes a data concealment for covert communication that makes use of LSB replacement? Steganography 
What term from the list below best describes a data concealment for covert communication that makes use of LSB replacement? Steganography 
Which block cipher below uses a block size of 128 bits and key sizes up to 256 bits? TwoFish ...
![ECES Practice exam 2024 with 100% correct answers](/docpics/4395401/65bbe050e1b27_4395401_121_171.jpeg)
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ECES Practice exam 2024 with 100% correct answers
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What type of encryption uses different keys to encrypt and decrypt the message? 
 
+Secure 
+Asymmetric 
+Private key 
+Symmetric Answer - Asymmetric 
 
Asymmetric cryptography, also known as public key cryptography, uses public and private keys to encrypt and decrypt data. 
 
The most widely used asymmetric encryption algorithm is what? 
 
+Caesar Cipher 
+Vigenere 
+RSA 
+DES Answer - RSA 
 
The RSA encryption algorithm is one of the most widely used public key encryption algorithms that have ...
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