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CLEFIA The 128-bit Blockcipher


We propose "CLEFIA" to some standardization bodies so that "CLEFIA" can be used at ease in various scenes.

Reliability - It is expected that CLEFIA’s security and implementation aspects are scrutinized by cryptographic techniques evaluation organizations and external experts through standardization process and our standardization activities, which will increase confidence in CLEFIA.
Convenience - We aim at adoption of CLEFIA in many standards and protocols and expect that CLEFIA can be used conveniently by achieving high interoperability.


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Japanese CLEFIA