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- RC2 abstract "In cryptography, RC2 (also known as ARC2) is a symmetric-key block cipher designed by Ron Rivest in 1987. "RC" stands for "Ron's Code" or "Rivest Cipher"; other ciphers designed by Rivest include RC4, RC5 and RC6.The development of RC2 was sponsored by Lotus, who were seeking a custom cipher that, after evaluation by the NSA, could be exported as part of their Lotus Notes software. The NSA suggested a couple of changes, which Rivest incorporated. After further negotiations, the cipher was approved for export in 1989. Along with RC4, RC2 with a 40-bit key size was treated favourably under US export regulations for cryptography. Initially, the details of the algorithm were kept secret — proprietary to RSA Security — but on 29 January 1996, source code for RC2 was anonymously posted to the Internet on the Usenet forum, sci.crypt. Mentions of CodeView and SoftICE (popular debuggers) suggest that it had been reverse engineered. A similar disclosure had occurred earlier with RC4.In March 1998 Ron Rivest authored an RFC publicly describing RC2 himself.RC2 is a 64-bit block cipher with a variable size key. Its 18 rounds are arranged as a source-heavy unbalanced Feistel network, with 16 rounds of one type (MIXING) punctuated by two rounds of another type (MASHING). A MIXING round consists of four applications of the MIX transformation, as shown in the diagram.RC2 is vulnerable to a related-key attack using 234 chosen plaintexts (Kelsey et al., 1997).".
- RC2 thumbnail RC2_InfoBox_Diagram.svg?width=300.
- RC2 wikiPageExternalLink groups?selm=4ehmfs%246nq%40utopia.hacktic.nl.
- RC2 wikiPageExternalLink 3-6-2.html.
- RC2 wikiPageExternalLink article-340.pdf.
- RC2 wikiPageExternalLink paper-relatedkey.html.
- RC2 wikiPageID "632592".
- RC2 wikiPageRevisionID "604717189".
- RC2 blockSize "64".
- RC2 caption "The MIX transformation of RC2; four of these comprise a MIXING round".
- RC2 cryptanalysis "A related-key attack is possible requiring 234 chosen plaintexts .".
- RC2 designers Ron_Rivest.
- RC2 hasPhotoCollection RC2.
- RC2 keySize "8".
- RC2 name "RC2".
- RC2 publishDate "leaked in 1996, designed in 1987".
- RC2 rounds "16".
- RC2 structure "Source-heavy unbalanced Feistel network".
- RC2 subject Category:Broken_block_ciphers.
- RC2 comment "In cryptography, RC2 (also known as ARC2) is a symmetric-key block cipher designed by Ron Rivest in 1987. "RC" stands for "Ron's Code" or "Rivest Cipher"; other ciphers designed by Rivest include RC4, RC5 and RC6.The development of RC2 was sponsored by Lotus, who were seeking a custom cipher that, after evaluation by the NSA, could be exported as part of their Lotus Notes software. The NSA suggested a couple of changes, which Rivest incorporated.".
- RC2 label "RC2 (Verschlüsselungsverfahren)".
- RC2 label "RC2".
- RC2 label "RC2".
- RC2 label "RC2".
- RC2 label "RC2".
- RC2 label "RC2".
- RC2 label "RC2".
- RC2 sameAs RC2_(Verschlüsselungsverfahren).
- RC2 sameAs RC2.
- RC2 sameAs RC2.
- RC2 sameAs RC2.
- RC2 sameAs RC2.
- RC2 sameAs m.02ysp5.
- RC2 sameAs Q1753382.
- RC2 sameAs Q1753382.
- RC2 wasDerivedFrom RC2?oldid=604717189.
- RC2 depiction RC2_InfoBox_Diagram.svg.
- RC2 isPrimaryTopicOf RC2.