Matches in DBpedia 2016-04 for { <http://dbpedia.org/resource/Cipher> ?p ?o }
- Cipher abstract "In cryptography, a cipher (or cypher) is an algorithm for performing encryption or decryption—a series of well-defined steps that can be followed as a procedure. An alternative, less common term is encipherment. To encipher or encode is to convert information into cipher or code. In common parlance, 'cipher' is synonymous with 'code', as they are both a set of steps that encrypt a message; however, the concepts are distinct in cryptography, especially classical cryptography.Codes generally substitute different length strings of characters in the output, while ciphers generally substitute the same number of characters as are input. There are exceptions and some cipher systems may use slightly more, or fewer, characters when output versus the number that were input.Codes operated by substituting according to a large codebook which linked a random string of characters or numbers to a word or phrase. For example, \"UQJHSE\" could be the code for \"Proceed to the following coordinates.\" When using a cipher the original information is known as plaintext, and the encrypted form as ciphertext. The ciphertext message contains all the information of the plaintext message, but is not in a format readable by a human or computer without the proper mechanism to decrypt it.The operation of a cipher usually depends on a piece of auxiliary information, called a key (or, in traditional NSA parlance, a cryptovariable). The encrypting procedure is varied depending on the key, which changes the detailed operation of the algorithm. A key must be selected before using a cipher to encrypt a message. Without knowledge of the key, it should be extremely difficult, if not impossible, to decrypt the resulting ciphertext into readable plaintext.Most modern ciphers can be categorized in several ways By whether they work on blocks of symbols usually of a fixed size (block ciphers), or on a continuous stream of symbols (stream ciphers). By whether the same key is used for both encryption and decryption (symmetric key algorithms), or if a different key is used for each (asymmetric key algorithms). If the algorithm is symmetric, the key must be known to the recipient and sender and to no one else. If the algorithm is an asymmetric one, the enciphering key is different from, but closely related to, the deciphering key. If one key cannot be deduced from the other, the asymmetric key algorithm has the public/private key property and one of the keys may be made public without loss of confidentiality.".
- Cipher thumbnail Edward_Larsson_1885_I.jpg?width=300.
- Cipher wikiPageExternalLink www.keylength.com.
- Cipher wikiPageExternalLink Secure_communications_using_the_KLJN_scheme.
- Cipher wikiPageExternalLink foxreplace.
- Cipher wikiPageID "5244".
- Cipher wikiPageLength "14037".
- Cipher wikiPageOutDegree "74".
- Cipher wikiPageRevisionID "688278530".
- Cipher wikiPageWikiLink 0_(number).
- Cipher wikiPageWikiLink Abraham_Sinkov.
- Cipher wikiPageWikiLink Advanced_Encryption_Standard.
- Cipher wikiPageWikiLink Algorithm.
- Cipher wikiPageWikiLink Autokey_cipher.
- Cipher wikiPageWikiLink Bit.
- Cipher wikiPageWikiLink Block_cipher.
- Cipher wikiPageWikiLink Bombe.
- Cipher wikiPageWikiLink Brute-force_search.
- Cipher wikiPageWikiLink Category:Ciphers.
- Cipher wikiPageWikiLink Category:Cryptography.
- Cipher wikiPageWikiLink Ciphertext.
- Cipher wikiPageWikiLink Classical_cipher.
- Cipher wikiPageWikiLink Claude_Shannon.
- Cipher wikiPageWikiLink Code_(cryptography).
- Cipher wikiPageWikiLink Codebook.
- Cipher wikiPageWikiLink Cover-coding.
- Cipher wikiPageWikiLink Cryptanalysis.
- Cipher wikiPageWikiLink Cryptography.
- Cipher wikiPageWikiLink Cryptologia.
- Cipher wikiPageWikiLink Data_Encryption_Standard.
- Cipher wikiPageWikiLink David_A._King.
- Cipher wikiPageWikiLink David_Kahn_(writer).
- Cipher wikiPageWikiLink Elliptic_curve_cryptography.
- Cipher wikiPageWikiLink Encryption.
- Cipher wikiPageWikiLink Encryption_software.
- Cipher wikiPageWikiLink Feistel_cipher.
- Cipher wikiPageWikiLink History_of_cryptography.
- Cipher wikiPageWikiLink Ibrahim_A._Al-Kadi.
- Cipher wikiPageWikiLink Key_(cryptography).
- Cipher wikiPageWikiLink Key_size.
- Cipher wikiPageWikiLink List_of_ciphertexts.
- Cipher wikiPageWikiLink Middle_Ages.
- Cipher wikiPageWikiLink Multiple_encryption.
- Cipher wikiPageWikiLink National_Security_Agency.
- Cipher wikiPageWikiLink One-time_pad.
- Cipher wikiPageWikiLink Plaintext.
- Cipher wikiPageWikiLink Polyalphabetic_cipher.
- Cipher wikiPageWikiLink Pretty_Good_Privacy.
- Cipher wikiPageWikiLink Public-key_cryptography.
- Cipher wikiPageWikiLink ROT13.
- Cipher wikiPageWikiLink RSA_(cryptosystem).
- Cipher wikiPageWikiLink Rail_fence_cipher.
- Cipher wikiPageWikiLink Roman_numerals.
- Cipher wikiPageWikiLink Rotor_machine.
- Cipher wikiPageWikiLink Steganography.
- Cipher wikiPageWikiLink Stream_cipher.
- Cipher wikiPageWikiLink Substitution_cipher.
- Cipher wikiPageWikiLink Symmetric-key_algorithm.
- Cipher wikiPageWikiLink Telegraph_code.
- Cipher wikiPageWikiLink Telegraphy.
- Cipher wikiPageWikiLink The_Ciphers_of_the_Monks.
- Cipher wikiPageWikiLink Transposition_cipher.
- Cipher wikiPageWikiLink Vigenère_cipher.
- Cipher wikiPageWikiLink William_Stallings.
- Cipher wikiPageWikiLink File:Edward_Larsson_1885_I.jpg.
- Cipher wikiPageWikiLinkText "-enciphered".
- Cipher wikiPageWikiLinkText "Cipher".
- Cipher wikiPageWikiLinkText "Cypher".
- Cipher wikiPageWikiLinkText "cipher ".
- Cipher wikiPageWikiLinkText "cipher machine".
- Cipher wikiPageWikiLinkText "cipher machines".
- Cipher wikiPageWikiLinkText "cipher methods".
- Cipher wikiPageWikiLinkText "cipher system".
- Cipher wikiPageWikiLinkText "cipher".
- Cipher wikiPageWikiLinkText "cipher's".
- Cipher wikiPageWikiLinkText "ciphers".
- Cipher wikiPageWikiLinkText "cryptographic algorithm".
- Cipher wikiPageWikiLinkText "cryptographic algorithms".
- Cipher wikiPageWikiLinkText "cypher".
- Cipher wikiPageWikiLinkText "cyphers".
- Cipher wikiPageWikiLinkText "encipher".
- Cipher wikiPageWikiLinkText "enciphered".
- Cipher wikiPageWikiLinkText "enciphering".
- Cipher wikiPageWikiLinkText "encipherment".
- Cipher wikiPageWikiLinkText "encipherments".
- Cipher wikiPageWikiLinkText "encrypted".
- Cipher wikiPageWikiLinkText "encryption function".
- Cipher wikiPageWikiLinkText "scripts".
- Cipher wikiPageWikiLinkText "secret messages".
- Cipher wikiPageUsesTemplate Template:Citation.
- Cipher wikiPageUsesTemplate Template:Colbegin.
- Cipher wikiPageUsesTemplate Template:Colend.
- Cipher wikiPageUsesTemplate Template:Cryptography_navbox.
- Cipher wikiPageUsesTemplate Template:Main.
- Cipher wikiPageUsesTemplate Template:More_footnotes.
- Cipher wikiPageUsesTemplate Template:Other_uses.
- Cipher wikiPageUsesTemplate Template:Portal.
- Cipher wikiPageUsesTemplate Template:Reflist.
- Cipher wikiPageUsesTemplate Template:Wiktionary.
- Cipher subject Category:Ciphers.