On 08/23/2013 11:00 PM, Faramir wrote: > El 22-08-2013 9:56, Robert J. Hansen escribió: > ... >> GnuPG extends this with support for Camellia-128, Camellia-192 and >> Camellia-256. I don't know the reasoning for introducing Camellia, >> but I'm sure there's a solid basis for it. > > IIRC, somebody said, a long long time ago, that Japan had some > requirements for using Camellia, so I guess if GnuPG doesn't have it, > japanese people can't use it without some "you are using an > unnapproved cipher" or something like that. But I can't even remember > who said Japan likes Camellia, so maybe that's not the reason.
Nippon Telegraph and Telephone developed the Camellia ciphers: http://www.ietf.org/rfc/rfc4312.txt Advice is given that it is available for use in OpenPGP: http://www.ietf.org/rfc/rfc5581.txt The reason that it is there is because somebody (most likely the Japanese) wants it and even my semi-old Linux distros have it in older versions of gpg1 and gpg2 ================================================================ $ gpg --version gpg (GnuPG) 1.4.10 ... Cipher: 3DES, CAST5, BLOWFISH, AES, AES192, AES256, TWOFISH, CAMELLIA128, CAMELLIA192, CAMELLIA256 ================================================================ $ gpg --version gpg (GnuPG) 2.0.16 libgcrypt 1.4.6 ... Cipher: 3DES, CAST5, BLOWFISH, AES, AES192, AES256, TWOFISH, CAMELLIA128, CAMELLIA192, CAMELLIA256 ================================================================ I updated my handy-dandy cheat-sheet for settings I got from somebody else so you know their designations and can add them into mix of ciphers with preference: http://www.securemecca.com/public/GnuPG/GnuPG_Prefs.txt I will probably add Camellia-128 after TwoFish some place in there among the AES ciphers and may even let it replace one of them but will keep AES (AES-128). So if you want to use one of the Camllia ciphers use them in good health. Let me know when Serpent is avaiable. HHH
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