C++ How To Program Plus Mylab Programming With Pearson Etext -- Access Card Package (10th Edition)
10th Edition
ISBN: 9780134583006
Author: Deitel
Publisher: PEARSON
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Chapter 1, Problem 1.12MAD
To determine
To discuss the privacy issue while using online e-mail services.
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Is it possible for an encrypted e-mail address to give proof to a sender that a receiver has read an e-mail message? Why do you think it is?
Name courses : data security
Decrypt ciphertext obtained from aSubstitution Cipher.
Note that there may be meaningless words at the beginning or at the end since the plaintext is divided into equalparts.
NMDCUQFRWMYQWNMJUBDPGMSFMCUTWMJQYWLJWDRCZMDDGMJUFULSCQFPDSFYUTJQMTQYMJQMWRVSWFUNQCWPUFUUCWRLQRNTFWMJWRLDXPDSFYUMDAULWRTWMJMJUBDPGMSFMCUFUKCWUNQRNMJURMJUNWXXUFURMAFQRPJUYDXQFWMJBUMWPQBAWMWDRNWYMFQPMWDRSLCWXWPQMWDRQRNNUFWYWDRWRUIUFJUQFNDXSLCWXWPQMWDRQCWPUIURMSFUNMDYQZTJQMWYWMMJULFZKJDRCWXMUNSKADMJWMYKQTYWRYSFKFWYUTJQMRUIUFJUQFNDXSLCWXZWRLWMUHPCQWBUNZDSGRDTTJQMMDAUQSMWXZWYWYSKKDYUZUYYQWNQCWPUNDSAMXSCCZWMBUQRYMDBQGUQRZMJWRLKFUMMWUFTUCCMJURMJULFZKJDRTURMDRWXZDSNDRMGRDTTJQMMDSLCWXZWYZDSQFUQYWBKCUMRQCWPUNWNRDMXUUCURPDSFQLUNMDQYGQRZBDFUVSUYMWDRYQADSMWMYDJUMSFRUNMDMJUBDPGMSFMCUQRNYQWNTJQMUCYUJQNZDSMDCUQFRTUCCMJUFUTQYBZYMUFZMJUBDPGMSFMCUFUKCWUNPDS
For what reason is it better to hash a password rather than encrypting one that has been saved in a file or on a computer?
Chapter 1 Solutions
C++ How To Program Plus Mylab Programming With Pearson Etext -- Access Card Package (10th Edition)
Ch. 1 - Fill in the blanks in each of the following...Ch. 1 - Prob. 1.5ECh. 1 - Fill in the blanks in each of the following...Ch. 1 - Prob. 1.7ECh. 1 - (Test Drive: Carbon Footprint Calculator) Some...Ch. 1 - (Test Drive: Body Mass Index Calculator) By recent...Ch. 1 - (Attributes of Hybrid Vehicles) In this chapter...Ch. 1 - Prob. 1.11MADCh. 1 - Prob. 1.12MADCh. 1 - (Programmer Responsibility and Liability) As a...
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- Why is it better to hash passwords stored in a file rather than encrypt them?arrow_forwardWhy is it better to hash passwords instead of encrypting them when putting them in a file?arrow_forwardhow can cryptography provide confidentiality and integrity across both time and space? (choose all that appy)arrow_forward
- What security measures may be used to protect vehicular communications? * The second question is how long it takes to encrypt and decode a message.arrow_forward"Multi-factor authentication" uses two or more authentication methods. Hackers access stolen accounts how often?arrow_forwardTypes of Cyber Crimes. The following situations are similar, but each represents a variation of a particular crime. Identify the crime involved in each of the following situations. (See Cyber Crime.) (a)Chen, posing fraudulently as being from Centell, the provider of Emily’s security software, sends an e-mail to Emily, stating that the company has observed suspicious activity in her account and on her network. The e-mail asks Emily to call Chen immediately to provide a new credit-card number and password to update her security software and reopen the account. b)Claiming falsely to be Big Buy Retail Finance Company, Conner sends an e-mail to Dino, asking him to confirm or update his personal security information to prevent his Big Buy account from being discontinued"arrow_forward
- Exercise - 5 Exercise - 5: P and Q are two prime numbers. P-13, and Q=17. Take public key E=19. If original message is 12, then what will be cipher text value & private key value according to RSA algorithm? Again calculate plain text value from cipher text.arrow_forwardcryptography.arrow_forwardWhy is it preferable to hash passwords in a file as opposed to encrypting the password file?arrow_forward
- 123. Packet Sniffer is a) an application that captures TCP/IP data packets, which can maliciously be used to capture passwords and other data while it is in transit either within the computer or over the network. b) a situation in which one person or program successfully masquerades as another by falsifying data and thereby gaining illegitimate access. c) a toolkit for hiding the fact that a computer’s security has been compromised, is a general description of a set of programs which work to subvert control of an operating system from its legitimate (in accordance with established rules) operators. d) None of thesearrow_forwardWhy is it better to hash passwords when storing them in a file rather than encrypt the password file?arrow_forward113 Spoofing attack is a) an application that captures TCP/IP data packets, which can maliciously be used to capture passwords and other data while it is in transit either within the computer or over the network. b) a situation in which one person or program successfully masquerades as another by falsifying data and thereby gaining illegitimate access. c) a toolkit for hiding the fact that a computer’s security has been compromised, is a general description of a set of programs which work to subvert control of an operating system from its legitimate (in accordance with established rules) operators. d) None of thesearrow_forward
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