Camellia, the 128-bit common-key block encryption algorithm which was
jointly developed by Nippon Telegraph and Telephone Corp. and
Mitsubishi Electric Corp. in 2000 has been adopted as an international
standard by ISO/IEC. This algorithm has already been standardized as
the recommended encryption by the EU and the Japanese e-government.
Further, standardization of Camellia is now under deliberation by IETF.
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