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- Ciphertext_indistinguishability abstract "Ciphertext indistinguishability is a property of many encryption schemes. Intuitively, if a cryptosystem possesses the property of indistinguishability, then an adversary will be unable to distinguish pairs of ciphertexts based on the message they encrypt. The property of indistinguishability under chosen plaintext attack is considered a basic requirement for most provably secure public key cryptosystems, though some schemes also provide indistinguishability under chosen ciphertext attack and adaptive chosen ciphertext attack. Indistinguishability under chosen plaintext attack is equivalent to the property of semantic security, and many cryptographic proofs use these definitions interchangeably.A cryptosystem is considered secure in terms of indistinguishability if no adversary, given an encryption of a message randomly chosen from a two-element message space determined by the adversary, can identify the message choice with probability significantly better than that of random guessing (1⁄2). If any adversary can succeed in distinguishing the chosen ciphertext with a probability significantly greater than 1⁄2, then this adversary is considered to have an "advantage" in distinguishing the ciphertext, and the scheme is not considered secure in terms of indistinguishability. This definition encompasses the notion that in a secure scheme, the adversary should learn no information from seeing a ciphertext. Therefore, the adversary should be able to do no better than if it guessed randomly.".
- Ciphertext_indistinguishability wikiPageID "2187252".
- Ciphertext_indistinguishability wikiPageRevisionID "597712314".
- Ciphertext_indistinguishability hasPhotoCollection Ciphertext_indistinguishability.
- Ciphertext_indistinguishability subject Category:Theory_of_cryptography.
- Ciphertext_indistinguishability comment "Ciphertext indistinguishability is a property of many encryption schemes. Intuitively, if a cryptosystem possesses the property of indistinguishability, then an adversary will be unable to distinguish pairs of ciphertexts based on the message they encrypt.".
- Ciphertext_indistinguishability label "Ciphertext Indistinguishability".
- Ciphertext_indistinguishability label "Ciphertext indistinguishability".
- Ciphertext_indistinguishability label "Indistinguibilidade de Textos Cifrados".
- Ciphertext_indistinguishability label "Niveaux d'attaques".
- Ciphertext_indistinguishability sameAs Ciphertext_Indistinguishability.
- Ciphertext_indistinguishability sameAs Niveaux_d'attaques.
- Ciphertext_indistinguishability sameAs 암호문_비구별성.
- Ciphertext_indistinguishability sameAs Indistinguibilidade_de_Textos_Cifrados.
- Ciphertext_indistinguishability sameAs m.06tfqz.
- Ciphertext_indistinguishability sameAs Q840661.
- Ciphertext_indistinguishability sameAs Q840661.
- Ciphertext_indistinguishability wasDerivedFrom Ciphertext_indistinguishability?oldid=597712314.
- Ciphertext_indistinguishability isPrimaryTopicOf Ciphertext_indistinguishability.