Nippon Telegraph and Telephone Corporation (NTT) and Mitsubishi Electric Corporation (Mitsubishi) jointly developed in 2000 the 128-bit block cipher algorithm "Camellia." On this occasion, as the ...

Sony Corporation has been working to standardize ‘CLEFIA,’ the block cipher algorithm it developed and presented as a state-of-the-art cryptography technique in 2007, and announced today that after ...

Sony announced late last week that they have invented a new encryption mechanism known as "CLEFIA," a block cipher algorithm designed to help content producers deliver "advanced copy protection" with ...