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CPABE

ABEKPABECPABE. 2. ABEABEABE.

CP-ABE AESRSA .

ABE Association of Business Executives1973 40,.

2 a ab = ba = 1 b .

ABEMA.

BE=CDABEACDAB=AC AB=AC.

AbemaTVAbemaTV30.

(2) DFE ABE CFBBEF=BFE=60EBF=60ABE=DFE=27.

ABE/ AEFBC/CF BAEFAEAE.