Question: Independence Under Chosen Plaintext Attack ( IND - CPA ) refers to the fact that: Group of answer choices If an Oracle encrypts one of

Independence Under Chosen Plaintext Attack (IND-CPA) refers to the fact that:
Group of answer choices
If an Oracle encrypts one of two random plaintexts P1 and P2, and the attacker can figure out if P1 was encrypted or P2
If an attacker chooses two plaintexts P1 and P2 for the Oracle to encrypt, and the Oracle returns a ciphertext, the attacker can figure out if P1 was encrypted or P2
If an Oracle encrypts one of two random plaintexts P1 and P2, and the attacker cannot figure out if P1 was encrypted or P2
If an attacker chooses two plaintexts P1 and P2 for the Oracle to encrypt, and the Oracle returns a ciphertext, the attacker cannot figure out if P1 was encrypted or P2

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