Answer the following statements true (T) or false (F)
1. Once the plaintext is converted to ciphertext using the encryption algorithm the plaintext is then used as input and the algorithm is applied again.
2. There are no practical cryptanalytic attacks on 3DES.
3. A mode of operation is a technique for enhancing the effect of a cryptographic algorithm or adapting the algorithm for an application.
4. The XTS-AES standard describes a method of decryption for data stored in sector-based devices where the threat model includes possible access to stored data by the adversary.
5. S-AES is the most widely used multiple encryption scheme.
1. FALSE
2. TRUE
3. TRUE
4. FALSE
5. FALSE
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