EBK COMPUTER NETWORKING
7th Edition
ISBN: 8220102955479
Author: Ross
Publisher: PEARSON
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Question
Chapter 8, Problem R9RQ
Program Plan Intro
Hash Function:
Any function that can be used to map data of arbitrary size to data of a fixed size is called a hash function.
Hash functions provide message integrity as it is computationally infeasible to find any two messages with the same hash.
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Why is it impossible to decipher a message's hash?
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Chapter 8 Solutions
EBK COMPUTER NETWORKING
Ch. 8 - Prob. R1RQCh. 8 - Prob. R2RQCh. 8 - Prob. R3RQCh. 8 - Prob. R4RQCh. 8 - Prob. R5RQCh. 8 - Prob. R6RQCh. 8 - Prob. R7RQCh. 8 - Prob. R8RQCh. 8 - Prob. R9RQCh. 8 - Prob. R10RQ
Ch. 8 - Prob. R11RQCh. 8 - Prob. R12RQCh. 8 - Prob. R13RQCh. 8 - Prob. R14RQCh. 8 - Prob. R15RQCh. 8 - Prob. R16RQCh. 8 - Prob. R17RQCh. 8 - Prob. R18RQCh. 8 - Prob. R19RQCh. 8 - Prob. R20RQCh. 8 - Prob. R21RQCh. 8 - Prob. R22RQCh. 8 - Prob. R23RQCh. 8 - Prob. R24RQCh. 8 - Prob. R25RQCh. 8 - Prob. R26RQCh. 8 - Prob. R27RQCh. 8 - Prob. R28RQCh. 8 - Prob. R29RQCh. 8 - Prob. R30RQCh. 8 - Prob. R31RQCh. 8 - Prob. R32RQCh. 8 - Prob. R33RQCh. 8 - Prob. P1PCh. 8 - Prob. P2PCh. 8 - Prob. P3PCh. 8 - Prob. P4PCh. 8 - Prob. P5PCh. 8 - Prob. P6PCh. 8 - Prob. P8PCh. 8 - Prob. P12PCh. 8 - Prob. P13PCh. 8 - Prob. P14PCh. 8 - Prob. P18PCh. 8 - Prob. P20PCh. 8 - Prob. P21PCh. 8 - Prob. P22PCh. 8 - Prob. P23P
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Similar questions
- In digital signature, the receiver uses the private key of the sender to decrypt the digital signature and restore the original hash of the message. True Falsearrow_forwardDraw the diagram to demonstrate the differences in the hash code, even when changing a small portion of the message content.arrow_forwardWhich statement about the Hash function (H) is false: 1 1. For a message of any length, the size of the H function is the same. 2. The H function is produced of a message only 3. The H function allows you to detect changes in the message and authenticate the sender.arrow_forward
- Describe the process of Asymmetric encryption with hashing in relationship to sender and receiver.arrow_forwardWhat is the hash function's purpose? What's more, how does it work?arrow_forwardWhat about encrypting an AES key with a secret password? Make a case for why your answer is correct.Look at the keyed hash function as an alternative to the hash function. Check out a sample hash function with a single key.arrow_forward
- What is the role of a "cryptographic hash function" in ensuring data integrity?arrow_forwardA hash file organization can have too many buckets. What are the reasons for this? What can be done to cut down on the number of bucket overflows?arrow_forwardThe SHA1 cryptographic hashing algorithm was developed by the National Security Agency of the United States. Why should you make every effort to steer clear of making use of it?arrow_forward
- How about encrypting an AES key using a secret password? Extend your justification for why you chose that particular answerKeyed hash functions are compared to hash functions. Check out a sample of a hash function with a single key.arrow_forwardDefine hash as it relates to cryptography. Give one example of where a hash algorithm might be used. Name one specific hash algorithm.arrow_forwardHashing method SHA1 was created by the National Security Agency of the United States of America. Why should this situation be avoided at all cost?arrow_forward
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