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πώς χρησιμοποιείται η λέξη
συχνότητα χρήσης
χρησιμοποιείται πιο συχνά στον προφορικό ή γραπτό λόγο
επιλογές μετάφρασης λέξεων
παραδείγματα χρήσης (πολλές φράσεις με μετάφραση)
ετυμολογία

Τι (ποιος) είναι ciphertext only attack - ορισμός

ATTACK MODEL FOR CRYPTANALYSIS WHERE THE ATTACKER HAS ACCESS TO A SET OF CIPHERTEXTS

Ciphertext only attack; Ciphertext-only; Known ciphertext attack; Known-ciphertext attack; Known ciphertext; Known-ciphertext

Chosen-ciphertext attack

CRYPTANALYTIC ATTACK MODEL WHERE THE ATTACKER GATHERS INFORMATION BY OBTAINING THE DECRYPTIONS OF CHOSEN CIPHERTEXTS.

Lunchtime attack; Chosen ciphertext attack; Indifferent chosen-ciphertext attack; Indifferent chosen ciphertext attack; Non-adaptive chosen-ciphertext attack; Non-adaptive chosen ciphertext attack; Indifferent-chosen-ciphertext attack; CCA-1; Chosen ciphertext; Chosen-ciphertext

A chosen-ciphertext attack (CCA) is an attack model for cryptanalysis where the cryptanalyst can gather information by obtaining the decryptions of chosen ciphertexts. From these pieces of information the adversary can attempt to recover the hidden secret key used for decryption.

https://en.wikipedia.org/wiki/Chosen-ciphertext_attack

Adaptive chosen-ciphertext attack

INTERACTIVE FORM OF CHOSEN-CIPHERTEXT ATTACK IN WHICH AN ATTACKER FIRST SENDS SOME CIPHERTEXTS TO BE DECRYPTED CHOSEN ADAPTIVELY AND THEN USES THE RESULTS TO DISTINGUISH A TARGET CIPHERTEXT WITHOUT CONSULTING THE ORACLE ON THE CHALLENGE CIPHERTEXT

Adaptive chosen plaintext and chosen ciphertext attack; Adaptive chosen ciphertext attack; Adaptive-chosen-ciphertext attack; CCA-2; Bleichenbacher’s attack

An adaptive chosen-ciphertext attack (abbreviated as CCA2) is an interactive form of chosen-ciphertext attack in which an attacker first sends a number of ciphertexts to be decrypted chosen adaptively, and then uses the results to distinguish a target ciphertext without consulting the oracle on the challenge ciphertext. In an adaptive attack, the attacker is further allowed adaptive queries to be asked after the target is revealed (but the target query is disallowed).

https://en.wikipedia.org/wiki/Adaptive_chosen-ciphertext_attack

one and only

WIKIMEDIA DISAMBIGUATION PAGE

One & Only; The One & Only; One and Only; One and only; The one and only; One and Only (disambiguation); The One and Only (album); The One and Only (disambiguation); The One and Only (film); The One and Only (TV series)

unique; single.

Βικιπαίδεια

Ciphertext-only attack

In cryptography, a ciphertext-only attack (COA) or known ciphertext attack is an attack model for cryptanalysis where the attacker is assumed to have access only to a set of ciphertexts. While the attacker has no channel providing access to the plaintext prior to encryption, in all practical ciphertext-only attacks, the attacker still has some knowledge of the plaintext. For instance, the attacker might know the language in which the plaintext is written or the expected statistical distribution of characters in the plaintext. Standard protocol data and messages are commonly part of the plaintext in many deployed systems and can usually be guessed or known efficiently as part of a ciphertext-only attack on these systems.

https://en.wikipedia.org/wiki/Ciphertext-only attack