Semantically Secure Encryption

Some articles on encryption, semantically secure, semantically secure encryption:

Semantic Security - Public-key Cryptography
... For an asymmetric key encryption algorithm cryptosystem to be semantically secure, it must be infeasible for a computationally bounded adversary to derive ... (CCA), where an attacker is able to request the decryption of chosen ciphertexts, and many semantically secure encryption schemes are demonstrably insecure against chosen ciphertext attack ... condition for securing a general-purpose encryption scheme ...

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