PADDING

Padding

In cryptography, padding refers to a number of distinct practices. Official messages often start and end in predictable ways: My dear ambassador, Weather report, Sincerely yours, etc. The primary use of padding with classical ciphers is to prevent the cryptanalyst from using that predictability to find cribs that aid in breaking the encryption. Random length padding also prevents an attacker from knowing the exact length of the plaintext message.

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padding

Noun

  1. Soft filling material used in cushions etc.
  2. Extra characters such as spaces added to the end of a record to fill it out to a fixed length.
  3. Extraneous text added to a message for the purpose of concealing its beginning, ending, or length.

Verb



The above text is a snippet from Wiktionary: padding
and as such is available under the Creative Commons Attribution/Share-Alike License.

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