Question: Symmetric Key Encryption 2 . 1 Using AES to encrypt a file plaintext.txt to plaintext.txt . enc, then again using AES to decrypt file

Symmetric Key Encryption 2.1 Using AES to encrypt a file "plaintext.txt" to "plaintext.txt.enc", then again using AES to decrypt file "plaintext.txt.enc" to recover the original file. 2.2 Comparison when using AES to encrypt a file vs using AES to encrypt all messages in a file.

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