Explain whether bit shiffting can be considered as a method to encrypt the file's content or to hide the file's content or both of them?
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Explain whether bit shiffting can be considered as a method to encrypt the file's content or to hide the file's content or both of them?
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- Cypher block chaining and cypher feedback mode may be compared with regards to the number of encryption operations needed to transmit a large file.How much more efficient is one option than the other?In which encryption technique are individual files encrypted so that only the file's owner and other users who have been granted permission to decode and read the file may access it?Cypher block chaining or cypher feedback mode is required if you need to deliver a large file.The question is, how much more productive is one?
- What is the difference between file encryption and disc encryption in terms of safety?You will be need to make use of cypher block chaining or cypher feedback mode in the event that you are transferring a really large file.How much more effective is one than the other?Full disk encryption is the process of securing the whole data stored on a disk by encryption. The data stored in the disk is automatically encrypted to a form that anyone can not understand the data without decrypting. To access the data, the user needs the key to decrypt the data. The data can not be accessed even if the disk is removed from the computer and put on another computer. There is no need of focusing on the encryption and decryption. When data is written to the disk, it is automatically encrypted and when data is read, it is automatically decrypted, only for authenticated user.
- Which encryption approach encodes individual files such that they can only be decoded and read by the file's owner and authorized users?What are the two approaches to attacking a cipher?Encrypt the first 4 letters of your last name as a block of data to be encrypted. (Let A=1, B=2, C=3,...Z=26). Decrypt the encrypted number to demonstrate that your system works. ABWG
- How can a file that was wiped by mistake be brought back?What are some of the benefits and drawbacks of using caching for disc write operations, as well as how do they vary from one another?b.What is the maximum amount of time that it would take a computer that can test keys per second to carry out a brute-force attack on a file encrypted using 256-bit AES? Give your answer in seconds and years, using scientific notation, correct to 2 significant figures. You may assume a year is seconds and you may use a calculator to help work out the answer. Show all your working clearly in a way that will help your tutor understand how you arrived at your answer.