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Topics in Cryptography Lecture 4 Topic: Chosen Ciphertext Security

Topics in Cryptography Lecture 4 Topic: Chosen Ciphertext Security. Lecturer: Moni Naor. Public Key Encryption. Alice. Bob. Ciphertext c=E( m , K P ). Plaintext m. Public key K P. Public key K P. Secret key K s. Decryption m =D(E( m , K P ), K s ). Defining Security.

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