Principles of Information Security (MindTap Course List)
6th Edition
ISBN: 9781337102063
Author: Michael E. Whitman, Herbert J. Mattord
Publisher: Cengage Learning
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Chapter 8, Problem 16RQ
Program Plan Intro
Cryptosystems:
It is a technique used to encrypt and decrypt data using keys. The user can send or receive data across insecure networks using this cryptosystems. This system may provide same or different keys for the sender and receiver.
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What are the basic operations in cryptography? Which security protocols are predominantly used in Web-based e-commerce? Which kind of attack on cryptosystems involves using a collection of pre-identified terms? Which kind of attack involves sequential guessing of all possible key combinations?
Say you find a ciphertext 384 bits long which is encrypted with the one-time pad. How many keys will you have to try to do a brute-force attack to find the plaintext? How will you know when you have found the correct plaintext?
Is it possible for software running on a desktop computer to produce secret keys that are both safe and secret, and which can then be used in cryptographic protocols?
Chapter 8 Solutions
Principles of Information Security (MindTap Course List)
Ch. 8 - Prob. 1RQCh. 8 - Prob. 2RQCh. 8 - Prob. 3RQCh. 8 - Prob. 4RQCh. 8 - Prob. 5RQCh. 8 - Prob. 6RQCh. 8 - Prob. 7RQCh. 8 - Prob. 8RQCh. 8 - Prob. 9RQCh. 8 - Prob. 10RQ
Ch. 8 - Prob. 11RQCh. 8 - Prob. 12RQCh. 8 - Prob. 13RQCh. 8 - Prob. 14RQCh. 8 - Prob. 15RQCh. 8 - Prob. 16RQCh. 8 - Prob. 17RQCh. 8 - Prob. 18RQCh. 8 - Prob. 19RQCh. 8 - Prob. 20RQCh. 8 - Prob. 1ECh. 8 - Prob. 2ECh. 8 - Prob. 3ECh. 8 - Prob. 4ECh. 8 - Prob. 5ECh. 8 - Prob. 1CEDQCh. 8 - Prob. 2CEDQCh. 8 - Prob. 1EDMCh. 8 - Prob. 2EDM
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- Does dependable key generation software for use in cryptographic protocols exist as desktop computer software?arrow_forwardIs it possible for software running on a desktop computer to produce safe secret keys that can then be used in cryptographic protocols?arrow_forwardIs there desktop software that can reliably generate keys for use in cryptographic protocols?arrow_forward
- Which elements of the RSA cryptographic algorithm give it an edge over other symmetrical encryption methods, and how did these parts of the algorithm come to exist?arrow_forwardWhen it comes to delivering huge files that are encrypted, the crypt feedback mode and the cypher block chaining are both superior possibilities. How much more effective is one method in comparison to the other?arrow_forwardIn order to protect communications between itself and its abroad peers, a government agency decides to adopt encryption. During a discussion with its equivalents, it was decided to build a proprietary cryptographic algorithm in order to: Are there any reasons why this decision was made. What dangers are involved?arrow_forward
- A government department decides it needs to use encryption to protect communication between itself and its international counterparts. At a meeting with its counterparts, it is decided to develop a proprietary cryptographic algorithm for this purpose. Is this decision justifiable? What risks are being taken?arrow_forwardKey distribution was one of the fundamental challenges addressed by public key cryptography.Could you give us a quick rundown?arrow_forward
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