block-cipher cryptanalysis

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• Block cipher — In cryptography, a block cipher is a symmetric key cipher operating on fixed length groups of bits, called blocks, with an unvarying transformation. A block cipher encryption algorithm might take (for example) a 128 bit block of plaintext as… …   Wikipedia

• Block cipher modes of operation — This article is about cryptography. For method of operating , see modus operandi. In cryptography, modes of operation is the procedure of enabling the repeated and secure use of a block cipher under a single key.[1][2] A block cipher by itself… …   Wikipedia

• GOST (block cipher) — Infobox block cipher name = GOST 28147 89 caption = Diagram of GOST designers = USSR publish date = 1994 (declassified) derived from = derived to = key size = 256 bits block size = 64 bits structure = Feistel network rounds = 32 cryptanalysis =… …   Wikipedia

• KASUMI (block cipher) — Infobox block cipher name = KASUMI caption = designers = Security Algorithms Group of Experts publish date = derived from = MISTY1 derived to = key size = 128 bits block size = 64 bits structure = Feistel network rounds = 8 cryptanalysis =… …   Wikipedia

• ABC (block cipher) — Infobox block cipher name = ABC designers = Dieter Schmidt publish date = May 27 2002 derived from = MMB, SAFER derived to = related to = certification = key size = 512 bits block size = 256 bits structure = Substitution permutation network… …   Wikipedia

• Cryptanalysis — Close up of the rotors in a Fialka cipher machine Cryptanalysis (from the Greek kryptós, hidden , and analýein, to loosen or to untie ) is the study of methods for obtaining the meaning of encrypted information, without access to the secret… …   Wikipedia

• Cipher security summary — This article summarizes publicly known attacks against ciphers. Note that not all entries may be up to date. Table color key No known successful attacks Theoretical break Attack demonstrated in practice The Best attack column lists the complexity …   Wikipedia

• Cipher — For other uses, see Cipher (disambiguation). Edward Larsson s rune cipher resembling that found on the Kensington Runestone. Also includes runically unrelated blackletter writing style and pigpen cipher. In cryptography, a cipher (or cypher) is… …   Wikipedia

• Cryptanalysis of TIA's Common Cryptographic Algorithms — In 1992, the TR 45 working group within the Telecommunications Industry Association (TIA) developed a standard for integration of cryptographic technology into tomorrow s digital cellular systems [TIA92] , which has been updated at least once… …   Wikipedia

• Cipher disk — The Union Cipher Disk from the American Civil War was 3.75 inches (95 mm) in diameter and made of light yellow heavy card stock. It consisted of two concentric disks of unequal size revolving on a central pivot. The disks were divided along their …   Wikipedia

• Cryptomeria cipher — The Feistel function of the Cryptomeria cipher. General Designers 4C Entity First published …   Wikipedia