Definition of ciphers. Meaning of ciphers. Synonyms of ciphers

Here you will find one or more explanations in English for the word ciphers. Also in the bottom left of the page several parts of wikipedia pages related to the word ciphers and, of course, ciphers synonyms and on the right images related to the word ciphers.

Definition of ciphers

Cipher
Cipher Ci"pher, v. i. [imp. & p. p. Ciphered; p. pr. & vb. n. Ciphering.] To use figures in a mathematical process; to do sums in arithmetic. ``T was certain he could write and cipher too. --Goldsmith.
Cipher
Cipher Ci"pher, v. t. 1. To write in occult characters. His notes he ciphered with Greek characters. --Hayward. 2. To get by ciphering; as, to cipher out the answer. 3. To decipher. [Obs.] --Shak. 4. To designate by characters. [Obs.] --Shak.
Cipher
Cipher Ci"pher, a. Of the nature of a cipher; of no weight or influence. ``Twelve cipher bishops.' --Milton.

Meaning of ciphers from wikipedia

- ciphers used in the past are sometimes known as classical ciphers. They include simple substitution ciphers (such as ROT13) and transposition ciphers...
- than block ciphers and have lower hardware complexity. However, stream ciphers can be susceptible to security breaches (see stream cipher attacks); for...
- known until June 1976. Symmetric key ciphers are implemented as either block ciphers or stream ciphers. A block cipher enciphers input in blocks of plaintext...
- the original message. Substitution ciphers can be compared with transposition ciphers. In a transposition cipher, the units of the plaintext are rearranged...
- in the ROT13 system. As with all single-alphabet substitution ciphers, the Caesar cipher is easily broken and in modern practice offers essentially no...
- often included in children's books on ciphers and secret writing. The cipher is believed to be an ancient cipher and is said to have originated with the...
- than its content. Baconian ciphers are categorized as both a substitution cipher (in plain code) and a concealment cipher (using the two typefaces). To...
- Random House. pp. 63–78. ISBN 0-385-49532-3. Codes, Ciphers, & Codebreaking (The Rise Of Field Ciphers) David, Kahn (1999). "Crises of the Union". The Codebreakers:...
- use either stream ciphers or block ciphers. Stream ciphers encrypt the digits (typically bytes), or letters (in substitution ciphers) of a message one...
- cryptography, a block cipher is a deterministic algorithm that operates on fixed-length groups of bits, called blocks. Block ciphers are the elementary building...