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- Chosen-plaintext_attack abstract "A chosen-plaintext attack (CPA) is an attack model for cryptanalysis which presumes that the attacker has the capability to choose arbitrary plaintexts to be encrypted and obtain the corresponding ciphertexts. The goal of the attack is to gain some further information which reduces the security of the encryption scheme. In the worst case, a chosen-plaintext attack could reveal the scheme's secret key. For some chosen-plaintext attacks, only a small part of the plaintext needs to be chosen by the attacker: such attacks are known as plaintext injection attacks.This appears, at first glance, to be an unrealistic model; it would certainly be unlikely that an attacker could persuade a human cryptographer to encrypt large amounts of plaintexts of the attacker's choosing. Modern cryptography, on the other hand, is implemented in software or hardware and is used for a diverse range of applications; for many cases, a chosen-plaintext attack is often very feasible. Chosen-plaintext attacks become extremely important in the context of public key cryptography, where the encryption key is public and attackers can encrypt any plaintext they choose.Any cipher that can prevent chosen-plaintext attacks is then also guaranteed to be secure against known-plaintext and ciphertext-only attacks; this is a conservative approach to security.Two forms of chosen-plaintext attack can be distinguished:Batch chosen-plaintext attack, where the cryptanalyst chooses all plaintexts before any of them are encrypted. This is often the meaning of an unqualified use of "chosen-plaintext attack".Adaptive chosen-plaintext attack, where the cryptanalyst makes a series of interactive queries, choosing subsequent plaintexts based on the information from the previous encryptions.A technique termed "Gardening" was used by Allied codebreakers in World War II who were solving messages encrypted on the Enigma machine. Gardening can be viewed as a plaintext injection attack.".
- Chosen-plaintext_attack wikiPageID "63852".
- Chosen-plaintext_attack wikiPageRevisionID "597712272".
- Chosen-plaintext_attack hasPhotoCollection Chosen-plaintext_attack.
- Chosen-plaintext_attack subject Category:Chosen-plaintext_attacks.
- Chosen-plaintext_attack type Abstraction100002137.
- Chosen-plaintext_attack type Act100030358.
- Chosen-plaintext_attack type Activity100407535.
- Chosen-plaintext_attack type Attack100972621.
- Chosen-plaintext_attack type CryptographicAttacks.
- Chosen-plaintext_attack type Event100029378.
- Chosen-plaintext_attack type Operation100955060.
- Chosen-plaintext_attack type PsychologicalFeature100023100.
- Chosen-plaintext_attack type YagoPermanentlyLocatedEntity.
- Chosen-plaintext_attack comment "A chosen-plaintext attack (CPA) is an attack model for cryptanalysis which presumes that the attacker has the capability to choose arbitrary plaintexts to be encrypted and obtain the corresponding ciphertexts. The goal of the attack is to gain some further information which reduces the security of the encryption scheme. In the worst case, a chosen-plaintext attack could reveal the scheme's secret key.".
- Chosen-plaintext_attack label "Atak z wybranym tekstem jawnym".
- Chosen-plaintext_attack label "Attacco con testo in chiaro scelto".
- Chosen-plaintext_attack label "Chosen-plaintext attack".
- Chosen-plaintext_attack label "Атака на основе адаптивно подобранного открытого текста".
- Chosen-plaintext_attack label "选择明文攻击".
- Chosen-plaintext_attack sameAs Attacco_con_testo_in_chiaro_scelto.
- Chosen-plaintext_attack sameAs Atak_z_wybranym_tekstem_jawnym.
- Chosen-plaintext_attack sameAs m.0h3rk.
- Chosen-plaintext_attack sameAs Q2981730.
- Chosen-plaintext_attack sameAs Q2981730.
- Chosen-plaintext_attack sameAs Chosen-plaintext_attack.
- Chosen-plaintext_attack wasDerivedFrom Chosen-plaintext_attack?oldid=597712272.
- Chosen-plaintext_attack isPrimaryTopicOf Chosen-plaintext_attack.