known plaintext cryptanalysis - ορισμός. Τι είναι το known plaintext cryptanalysis
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Τι (ποιος) είναι known plaintext cryptanalysis - ορισμός

CRYPTANALYTIC ATTACK MODEL WHERE THE ATTACKER HAS ACCESS TO BOTH THE PLAINTEXT AND ITS ENCRYPTED VERSION
Known plaintext attack; Known plaintext; Crib (cryptanalysis); Known-plaintext; Known plaintexts; Known plain-text attack; Cryptographic crib

Known-plaintext attack         
The known-plaintext attack (KPA) is an attack model for cryptanalysis where the attacker has access to both the plaintext (called a crib), and its encrypted version (ciphertext). These can be used to reveal further secret information such as secret keys and code books.
Plaintext-aware encryption         
Plaintext-awareness; Plaintext aware; Plaintext awareness
Plaintext-awareness is a notion of security for public-key encryption. A cryptosystem is plaintext-aware if it is difficult for any efficient algorithm to come up with a valid ciphertext without being aware of the corresponding plaintext.
Chosen-plaintext attack         
CRYPTANALYTIC ATTACK MODEL IN WHICH THE ATTACKER CAN OBTAIN THE CIPHERTEXTS FOR ARBITRARY PLAINTEXTS
Chosen plaintext; Chosen-text attack; Chosen-plaintext; Adaptive chosen-plaintext attack; Adaptive chosen plaintext attack; Chosen plaintext attack; Chosen plaintexts; Plaintext injection; Known-plaintext injection; Known plaintext injection
A chosen-plaintext attack (CPA) is an attack model for cryptanalysis which presumes that the attacker can obtain the ciphertexts for arbitrary plaintexts.Ross Anderson, Security Engineering: A Guide to Building Dependable Distributed Systems.

Βικιπαίδεια

Known-plaintext attack

The known-plaintext attack (KPA) is an attack model for cryptanalysis where the attacker has access to both the plaintext (called a crib), and its encrypted version (ciphertext). These can be used to reveal further secret information such as secret keys and code books. The term "crib" originated at Bletchley Park, the British World War II decryption operation, where it was defined as:

A plain language (or code) passage of any length, usually obtained by solving one or more cipher or code messages, and occurring or believed likely to occur in a different cipher or code message, which it may provide a means of solving.