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Codebook (album)
A codebook is a type of document used for gathering and storing cryptography codes. Originally, codebooks were often literally , but today "codebook" is a byword for the complete record of a series of codes, regardless of physical format. Cryptography In cryptography, a codebook is a document used for implementing a code. A codebook contains a lookup table for coding and decoding; each word or phrase has one or more strings which replace it. To decipher messages written in code, corresponding copies of the codebook must be available at either end. The distribution and physical security of codebooks presents a special difficulty in the use of codes compared to the secret information used in ciphers, the key, which is typically much shorter. The United States National Security Agency documents sometimes use ''codebook'' to refer to block ciphers; compare their use of ''combiner-type algorithm'' to refer to stream ciphers. Codebooks come in two forms, one-part or two-part: * In ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
State Department Code Book 1899, Open To Title Page, At NMC
State may refer to: Arts, entertainment, and media Literature * ''State Magazine'', a monthly magazine published by the U.S. Department of State * The State (newspaper), ''The State'' (newspaper), a daily newspaper in Columbia, South Carolina, United States * ''Our State'', a monthly magazine published in North Carolina and formerly called ''The State'' * The State (Larry Niven), a fictional future government in three novels by Larry Niven Music Groups and labels * States Records, an American record label * The State (band), Australian band previously known as the Cutters Albums * State (album), ''State'' (album), a 2013 album by Todd Rundgren * States (album), ''States'' (album), a 2013 album by the Paper Kites * ''States'', a 1991 album by Klinik * The State (album), ''The State'' (album), a 1999 album by Nickelback Television * The State (American TV series), ''The State'' (American TV series), 1993 * The State (British TV series), ''The State'' (British TV series), 2017 Oth ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |