It was announced in 2000 March,the encryption which NTT and the Mitubishi Electric Corporation developed jointly. Commonkey block one kind. As for the basic patent which it is related conversion is declared in 2001 April, it is possible to utilize freely without paying patent charge and the like.
Camelliain commonkey cryptographic one kind, doesencoding in every blockof 128 bits. It can select key length from 3 typesof 128, 192 and 256 bits. These specifications are arranged to AES which is cryptographic standardof the Americangovernment.
Camellia in was selected inone of the encryption which are recommended with supply of electronic government. The European Union (EU), it is adopted for one of standard even with NESSIE whichis cryptographic standard along with AES and the like. It is adopted for in addition to,as one of theencryption where utilization is recommended with the encoding technology of with IETF which promotes the standardization of Internet technology, IPsec and SSL (TLS).
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