关于第一次office hour对于s为什么模p-1的数学解释。 #25
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s为什么模 p-1 数学解释
对于$s=r+bx$ ,s值可能会变得很大,这样计算模幂效率是很低的,那么我们当然想把指数(幂)降低一点,于是就有下面:
由此,我们成功利用费马小定理将大指数模幂计算量降低下来。
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