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Security Dictionary
Can't tell 'smtp' from 'snmp'? Find the precise meaning of these and hundreds of other security-related terms in our convenient and up-to-date Security Dictionary.
known-plaintext attack
(I) A cryptanalysis technique in which the analyst tries to
determine the key from knowledge of some plaintext-ciphertext
pairs (although the analyst may also have other clues, such as the
knowing the cryptographic algorithm).