cryptography

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cryptography

(krip-tog′ră-fē) [ crypt- + -graphy]
The science and techniques of concealing or disguising information through encoding and decoding. In the health professions cryptography is used to ensure the confidentiality of medical records.
References in periodicals archive ?
4) The receiver uses formula (49) to decrypt the ciphertext and obtain a decrypted plaintext image M = [E.
Avalanche Effect of the AES-2SBox Plaintext Ciphertext Avalanche Effect 111111111111111 FE88B9C6D624C 24.
Therefore, according to the analysis of correlation coefficient, we can draw the conclusion that the effect of image encryption is much better, because the statistical characteristics between pixels of the plaintext image have ceased to exist in the cipher text image.
To encrypt the first letter of the plaintext, an A, fred the column for the key phrase letter 'A' in 'ALICE' on the top of the grid and the row for the plaintext letter A in 'ATTACK' on the left side of the grid.
In this phase, the secret text "plaintext" is encrypted using DNA and Amino Acids concepts [11] as follows: Convert plaintext to binary form such as 8-bits coding.
By default, PlainText syncs only with a folder it creates called PlainText within your Dropbox account.
This step is converting the plaintext (message) into DNA form (represented by the four alphabets or letters A, T, C, G).
Instead of encrypting or taking any reasonable measure to defend itself, RockYou kept all of its stored personal data in plaintext files.
Investors using hard copy or even PDFs who want specific information have to wade through lengthy corporate reports, and even online documents are often in a plaintext format with limited search capacity.
encryption, the result is that the plaintext is made unintelligible to
Reference [12] presents two quantitative cryptanalytic findings on the performance of ciphers against plaintext attacks based on a general model of permutation-only multimedia ciphers.
The use of technological controls such as encryption--the process of changing plaintext into ciphertext--can help guard against the unauthorized disclosure of sensitive information.