Why do some block cypher operation modes solely employ encryption while others employ both encryption and decryption?
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- In terms of the number of encryption operations required to transfer a large file, compare cypher block chaining versus cypher feedback mode. How much more efficient is one than the other, and how much more efficient is one?Compare cypher block chaining versus cypher feedback mode in terms of the number of encryption operations necessary to deliver a large file. Which of the two is more efficient, and by how much?Compare the number of encryption operations necessary to transfer a large file using cypher block chaining versus the amount of encryption operations required using cypher feedback mode.Which one is more effective, and by what margin is it more effective?
- In terms of the amount of encryption operations required to send a large file, compare cypher block chaining to cypher feedback mode. Which one is more efficient, and how much more efficient?Instead of encryption, the middle component of triple DES is designed to do decryption.This may be used to explain why some block cypher modes of operation rely solely on encryption, while others combine encryption and decryption:
- Comparing cypher block chaining to cypher feedback mode in terms of the number of encryption operations necessary to transport a large file, cypher block chaining is more efficient than cypher feedback mode.Comparing CBC mode to OFB mode, only in OFB mode... A. each block is encrypted separately B. an initialization vector is utilized C. each ciphertext block depends on the previous ciphertext block D. a key stream is utilizedThe parts of a symmetric block cipher's hardware can be summed up as follows. How does it work, and what are the key distinctions between its two primary varieties?
- The middle component of triple DES is decryption, not encryption.In terms of the amount of encryption operations required to send a big file, compare cypher block chaining to cypher feedback mode. Which one is more efficient, and how much more so?A symmetric block cipher's hardware components may be summarized as follows: In what ways does it operate, and what are the differences between its two main types?