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(Enforcing Privacy with Cryptography) The explosive growth of Internet communications and data storage on Internet-connected computer has greatly increased privacy concerns. The field of cryptography is concerned with coding data to make it difficult (and hopefully -with the most advanced schemes-impossible) for unauthorized users to read. In this exercise you’ll investigate a simple scheme for encrypting and decrypting data. A company that wants to send data over the Internet has asked you to write a
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C++ How to Program (10th Edition)
- Full Implementation (user input in red) Welcome to the Caesar Cipher This program encrypts and decrypts text using Caesar Cipher. Would you like to encrypt (e) or decrypt (d): d Would you like to read from a file (f) or the console (c)? c What message would you like to decrypt: LIPPS ASVPH What is the shift number: 4 HELLO WORLD Would you like to encrypt or decrypt another message? (y/n): y Would you like to encrypt (e) or decrypt (d): e Would you like to rea from a file (f) or the console What message would you like to encrypt: Hello World What is the shift number: 4 (c) ? c LIPPS ASVPH Would you like to encrypt or decrypt another message? (y/n): y Would you like to encrypt (e) or decrypt (d): e Would you like to read from a file (f) or the console (c) ? f Enter a filename: something_silly.txt Invalid Filename Enter a filename: messages.txt What is the shift number: 4 6 Output written to results.txt Would you like to encrypt or decrypt another message? (y/n): n Thanks for using the…arrow_forwardC++ pleasearrow_forwardQuestion # 5:a) Find keys d and e for the RSA cryptosystem where p=5, q=3b) Encrypt the following plaintext BAc) Decrypt your cipher-text EMOC Remember: i need a Mathematics solution not computer program You must show all the steps of your workarrow_forward
- SWE 431: Security General Guidelines A project group can consist of at most 5 individuals. Option 1 Implement the RSA in your preferred programming language For Java,the packages java.math.BigInteger and java.security.SecureRandom should be used. For other languages, you are responsible to use similar packages. Source code must be well documented (comments). The prime numbers p and q should be at least 1024-bit. The difference of two primes should be bigger than 2512 (for security). A demonstration of encrypting a message (big mumber) and decrypting the ciphertext (big number) should be given. Your program should also include the encryption and decryption timing. The public key component e must be set to be 65537. Submit your program and a readme.txt (instructions on how to compile and run your program) to the elearning dropbox.arrow_forwardCse @ Minimization techniquearrow_forward=?arrow_forward
- Systems ArchitectureComputer ScienceISBN:9781305080195Author:Stephen D. BurdPublisher:Cengage Learning