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- Rambutan_(cryptography) abstract "Rambutan is a family of encryption technologies designed by the Communications-Electronics Security Group (CESG), the technical division of the United Kingdom government's secret communications agency, GCHQ.It includes a range of encryption products designed by CESG for use in handling confidential (not secret) communications between parts of the British government, government agencies, and related bodies such as NHS Trusts. Unlike CESG's Red Pike system, Rambutan is not available as software: it is distributed only as a self-contained electronic device (an ASIC) which implements the entire cryptosystem and handles the related key distribution and storage tasks. Rambutan is not sold outside the government sector.Technical details of the Rambutan algorithm are secret. Security researcher Bruce Schneier describes it as being a stream cipher (linear feedback shift register) based cryptosystem with 5 shift registers each of around 80 bits, and a key size of 112 bits. RAMBUTAN-I communications chips (which implement a secure X.25 based communications system) are made by approved contractors Racal and Baltimore Technologies/Zergo Ltd. CESG later specified RAMBUTAN-II, an enhanced system with backward compatibility with existing RAMBUTAN-I infrastructure. The RAMBUTAN-II chip is a 64-pin quad ceramic pack chip, which implements the electronic codebook, cipher block chaining, and output feedback operating modes (each in 64 bits) and the cipher feedback mode in 1 or 8 bits. Schneier suggests that these modes may indicate Rambutan is a block cipher rather than a stream. The three 64 bit modes operate at 88 megabits/second.".
- Rambutan_(cryptography) wikiPageID "4342267".
- Rambutan_(cryptography) wikiPageLength "3203".
- Rambutan_(cryptography) wikiPageOutDegree "18".
- Rambutan_(cryptography) wikiPageRevisionID "684357077".
- Rambutan_(cryptography) wikiPageWikiLink Application-specific_integrated_circuit.
- Rambutan_(cryptography) wikiPageWikiLink Block_cipher.
- Rambutan_(cryptography) wikiPageWikiLink Block_cipher_mode_of_operation.
- Rambutan_(cryptography) wikiPageWikiLink Bruce_Schneier.
- Rambutan_(cryptography) wikiPageWikiLink Category:Cryptographic_hardware.
- Rambutan_(cryptography) wikiPageWikiLink Category:Stream_ciphers.
- Rambutan_(cryptography) wikiPageWikiLink Encryption.
- Rambutan_(cryptography) wikiPageWikiLink Government_Communications_Headquarters.
- Rambutan_(cryptography) wikiPageWikiLink Government_of_the_United_Kingdom.
- Rambutan_(cryptography) wikiPageWikiLink Key_size.
- Rambutan_(cryptography) wikiPageWikiLink Linear_feedback_shift_register.
- Rambutan_(cryptography) wikiPageWikiLink NHS_trust.
- Rambutan_(cryptography) wikiPageWikiLink Quad_Flat_Package.
- Rambutan_(cryptography) wikiPageWikiLink Racal.
- Rambutan_(cryptography) wikiPageWikiLink Red_Pike_(cipher).
- Rambutan_(cryptography) wikiPageWikiLink Shift_register.
- Rambutan_(cryptography) wikiPageWikiLink Stream_cipher.
- Rambutan_(cryptography) wikiPageWikiLink X.25.
- Rambutan_(cryptography) wikiPageWikiLinkText "Rambutan (cryptography)".
- Rambutan_(cryptography) wikiPageWikiLinkText "Rambutan".
- Rambutan_(cryptography) wikiPageUsesTemplate Template:Crypto-stub.
- Rambutan_(cryptography) wikiPageUsesTemplate Template:Cryptography_navbox.
- Rambutan_(cryptography) wikiPageUsesTemplate Template:Use_dmy_dates.
- Rambutan_(cryptography) subject Category:Cryptographic_hardware.
- Rambutan_(cryptography) subject Category:Stream_ciphers.
- Rambutan_(cryptography) hypernym Family.
- Rambutan_(cryptography) comment "Rambutan is a family of encryption technologies designed by the Communications-Electronics Security Group (CESG), the technical division of the United Kingdom government's secret communications agency, GCHQ.It includes a range of encryption products designed by CESG for use in handling confidential (not secret) communications between parts of the British government, government agencies, and related bodies such as NHS Trusts.".
- Rambutan_(cryptography) label "Rambutan (cryptography)".
- Rambutan_(cryptography) sameAs Q7289274.
- Rambutan_(cryptography) sameAs m.025t1qv.
- Rambutan_(cryptography) sameAs Q7289274.
- Rambutan_(cryptography) wasDerivedFrom Rambutan_(cryptography)?oldid=684357077.
- Rambutan_(cryptography) isPrimaryTopicOf Rambutan_(cryptography).