If youâre David Hockney, whoâs been a seminal figure in modern painting since the 1960s, you literally canât believe it. Hockney holds nothing against his predecessors, but he does have a theory that some used early optical devices to improve and expand their skills.
Check Point Pointsec. A stream cipher is a method of encrypting text (to produce ciphertext) in which a cryptographic key and algorithm are applied to each binary digit in a data stream, one bit at a time.This method is not much used in modern cryptography.he main alternative method is the block cipher in which a key and algorithm are applied to blocks of data rather than individual bits in a stream. Download âTaming the beast: Data protection in the digital age & beyondâ.
vs. Check Point Pointsec. A cipher (pronounced SAI-fuhr) is any method of encrypting text (concealing its readability and meaning). It is also sometimes used to refer to the encrypted text message itself although here the term ciphertext is preferred.Its origin is the Arabic sifr, meaning empty or zero.In addition to the cryptographic meaning, cipher also means (1) someone insignificant, and (2) a combination of symbolic letters as in an entwined weaving of letters for a monogram.s. Check Point Pointsec. A cipher (pronounced SAI-fuhr) is any method of encrypting text (concealing its readability and meaning). It is also sometimes used to refer to the encrypted text message itself although here the term ciphertext is preferred.