. is a process of encoding data upon its transmission or storage so that only authorized individuals can read it O a. Access Control O b. Encryption O c. Backup
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- A device is sending out data at the rate of 1000 bps. a. How long does it take to send out 10 bits?b. How long does it take to send out a single character (8 bits)?c. How long does it take to send a file of 100,000 characters?Modify the scripts of Projects 1 and 2 to encrypt and decrypt entire files of text. An example of the program interface is shown below: Enter the input file name: encrypted.txt Enter the output file name: a Enter the distance value: 3 Project 1: text = (input("Please enter your text: ")) shift = int(input("Please enter the shift: ")) def circularShift(text, key): text = text.upper() cipher = "" for letter in text: shifted = ord(letter) + key if shifted < 65: shifted += 0 if shifted > 90: shifted -= 0 cipher += chr(shifted) return cipher print (circularShift(text, shift)) Project 2 text = (input("Please enter your text: ")) shift = int(input("Please enter the shift: ")) convert = -(shift) def cypher(text, key): text = text.capitalize() cipher = "" for letter in text: shifted = ord(letter) + key cipher += chr(shifted) return cipher print (cypher(text, convert))Create a MIPS Program that applies Caesars Cipher as follows: a. Use Jump and Link commands and $ra register to create a main program with subroutines b. Create a version of the program that writes encrypted messages to a file
- On a computer, there are two different kinds of files that may be found: directories and regular files. Do you believe that this statement is authentic or do you believe that it is a fabrication?You need to store a name Jane Smith, an age 38, and a password Can70n on a computer storage device. Should the age 38 be stored as an integer or an English based text, and why? Most likely how many bytes need to be used to store the age 38? Show its storage bytes in binary.Computer Science In a case you are investigating, you recovered an encrypted file. if someone in the past used an decryption key to decrypt the encrypted file, can that key be recovered from the machine? Suggest a tool for this task and specify which part of the PC (technical name) will target to recover such a key. Notes: 1- The decryption key was never saved on the hard desk. 2- The key is more than 1000 characters of non-English alphabets with symbols and numbers (extremely strong password).
- What is the compressed form of an encrypted file system on a computer?The possibility of losing a large amount of information stored in computer files most likely would be reduced by the use of a. Back-up file b. Check digits c. Completeness test/ control d. Conversion verificationC++ Please Can you show me how to do encryption and decryption using i/o for a text file please?
- Experimenting with AES-”S symmetric key cipher. Note: You may use any programming language that provided libraries for AES. Descrion: This assignment consists of two parts:PART 1: write a program that uses AES-12/1 to decrypt a message. The program should be named "decrypt", and should deal with three files that contain the encrypted text as a stream of bytes, the 128-bit key for decryption stored as a stream of bytes, and file outcome of the decryption, respectively. o To test this program, here's an example of an encrypted message a. its 128-bit secret key PART 2: you will try to use "brute force" to decrypt an encrypted message, where you only have Sirrst 96-bits of the 12S-bit secret key (last 9 bytes of the secret key are he program should be called "findk", and should deal with two files that contain the encrypted text as a stream of bytes and the first 96-bits of the key, respetively. The program should decryptedn standard the the missing h6177 of the key in hexadecimal,…You must utilize cypher block chaining or cypher feedback mode if you need to transfer a really large file.If one is more effective, by what percentage is it better?Answer the following question. All the files in the Quarantine area are: A. to be considered safe and restorable. B. infected with viruses and all of them should be deleted. C. untouchable and cannot be deleted. D. encrypted and cannot do the computer any harm.