CCA security (disambiguation)
CCA security (IND-CCA) refers to one of the following.
- CCA security for PKE (IND-CCA2) — CPA plus a decryption oracle before and after the challenge, excluding .
- CCA1 security for PKE (IND-CCA1) — the decryption oracle is available only before the challenge.
- CCA security for SKE — CPA plus a decryption oracle, excluding ciphertexts output by the encryption oracle.
- IND-CCA KEM — KEM security with a decapsulation oracle.