Discussion
Encryption transforms data to
Answer: B
Encryption transforms data into cipher text.
Encryption applies an algorithm and a key to readable plain text, producing unreadable cipher text. Only someone with the right key can reverse it by decryption to recover the plain text. That reversibility with a key is what separates encryption from other transformations.
Plain text is the input to encryption, not its output. Hash values come from hashing, a one-way function with no key that cannot be reversed. Metadata is data about data, such as a file's size or timestamps.
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