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neariah24
18.03.2020 •
Computers and Technology
Desperate for help with her computer, Dana calls her fiancé, thinking that he will know what to do because he is a man, and men are natural fixers. Dana's thinking in this instance is an example of .
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Ответ:
IDK XDDD
Explanation:
Ответ:
BlockBlock[1] cryptography, a block cipher is a deterministic algorithm operating on fixed-length groups of bits, called blocks. It uses an unvarying transformation, that is, it uses a block. They are specified elementary components in the design of many cryptographic protocols and are widely used to implement the encryption of large amounts of data, including data exchange protocols.
Even a secure block cipher is suitable for the encryption of only a single block of data at a time, using a fixed key. A multitude of modes of operation have been designed to allow their repeated use in a secure way to achieve the security goals of confidentiality and authenticity. However, block ciphers may also feature as building blocks in other cryptographic protocols, such as universal hash functions and pseudorandom number generators.