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
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
Cryptomeria cipher — The Feistel function of the Cryptomeria cipher. General Designers 4C Entity First published … Wikipedia
DFC (cipher) — This article is about the block cipher. For other uses, see DFC (disambiguation). DFC General Designers Jacques Stern, Serge Vaudenay, et al. First published 1998 Related to COCONUT98 Cipher detail … Wikipedia
Crab (cipher) — This article is about the block cipher. For other uses, see Crab (disambiguation). Crab General Designers Burt Kaliski, Matt Robshaw First published 1993 Derived from MD5 Related to SHACAL … Wikipedia
Nimbus (cipher) — This article is about the block cipher. For other uses, see Nimbus (disambiguation). Nimbus General Designers Alexis Machado First published 2000 Cipher detail Key sizes 128 bits Block sizes … Wikipedia
Mercy (cipher) — This article is about the block cipher. For other uses, see Mercy (disambiguation). Mercy General Designers Paul Crowley First published April 2000[1] Derived from WAKE … Wikipedia
Colours, standards and guidons — In the age of line tactics, the unit colour was an important rallying point for the troop. In military organizations, the practice of carrying colours, standards or Guidons, both to act as a rallying point for troops and to mark the location of… … Wikipedia
Signals intelligence by alliances, nations and industries — This article is a subset article under the main article SIGINT, which addresses the unifying conceptual and technical factors in this intelligence discipline. This article describes how the discipline is used by multinational alliances and… … Wikipedia