The $\_\_\_\_\_\_\_\_\_\_$ standard describes a method of encryption for data stored in sector$-$based devices where the threat model includes possible access to stored data by the adversary. Some characteristics of this standard include: the ciphertext is freely available for an attacker, the data layout is not changed on the storage medium and in transit, and the same plaintext is encrypted to different ciphertexts at different locations.

Group of answer choices

P$1617$

P$1615$

P$1619$

P$1620$