block cipher

См. также в других словарях:

• Block Cipher —   [engl.], blockweise Verschlüsselung …   Universal-Lexikon

• 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

• Iraqi block cipher — In cryptography, the Iraqi block cipher was a block cipher published in C source code form by anonymous FTP upload around July 1999, and widely distributed on Usenet. It is a five round unbalanced Feistel cipher operating on a 256 bit block with… …   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

• 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

• 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

• S-1 block cipher — In cryptography, the S 1 block cipher was a block cipher posted in source code form on Usenet on 11 August 1995. Although incorrect security markings immediately indicated a hoax, there were several features of the code which suggested it might… …   Wikipedia

• AEAD block cipher modes of operation — Authenticated Encryption with Associated Data (AEAD) is a class of block cipher modes which encrypt (parts of) the message and authenticate the message simultaneously. Interest in these modes was sparked by the publication of Charanjit Jutla s… …   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

• 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