New answers tagged chosen-ciphertext-attack
-2
No there are not equivalent those two notions. Here is the explanation:
The game in IND-CCA is the following:
Setup: The challenger gives the public parameters to the adversary.
Phase 1: The adversary is asking for as many encryptions of plaintexts through the encryption oracle.
Phase 2: The adversary then is asking for as many decryptions of ciphertexts ...
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