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SECURE COMPUTING SYSTEM, SECURE COMPUTING DEVICE, SECURE COMPUTING METHOD, PROGRAM, AND RECORDING MEDIUM
SECURE COMPUTING SYSTEM, SECURE COMPUTING DEVICE, SECURE COMPUTING METHOD, PROGRAM, AND RECORDING MEDIUM
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机译:安全计算系统,安全计算设备,安全计算方法,程序和记录介质
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摘要
Piand P+have stored a+∈{a0, a1, a2} and b+∈ {b0, b1, b2} therein, and Piand P-have stored a-∈A-and b-∈B-therein. Here, P+= P(i+1)mod3, P-= P(i- 1)mod3, and a and b are arbitrary values and satisfy a = a0+a1+a2and b = b0+b1+b2, where A-is a complement of a+ in {a0, a1, a2} and B-is a complement of b+in {b0, b1, b2}. Piand P+share r+, Piand P-share r-, and Picalculates c+ = (a++a-)(b++b-)-a-b-+r+-r-. Pisends c+to P+.
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机译:p i sub>和p + sub>存储了 + sub>∈{a 0 sub>,a 1 sub >,a 2 sub>}和b + sub>,b 0 sub>,b 1 sub>,b 2 < /子>}其中,P i sub>和p - sub>已经存储了 - sub>∈a - sub>和b <子> - sub>∈b - sub>其中。这里,p sub> = p (i + 1)mod3 sub>,p - sub> = p (i-1)mod3 sub > A和B是任意值,满足a = a = a = a 0 sub> + a 1 sub> + a 2 sub>和b = b 0 sub> + b 1 sub> + b 2 sub>,其中 - sub>是{a 0 sub中的a +的补充>, 1 sub>, 2 sub>}和b - sub>是{b sub>的补充> 0 sub>,b 1 sub>,b 2 sub>}。 p i sub>和p + sub> share r + sub>,p i sub>和p - sub>共享R - sub>,p i sub>计算c + =(a + sub> + a - sub>)(b + sub> + b - sub>) - a - sub> b - sub> + R + sub> -r - sub>。 p i sub>向p + sub>发送c + sub>。
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