According to the MOV reduction theory, the identity-based encryption scheme which is based on the bilinear map will lose the high efficiency ofellipticcurve.
根据MOV归约理论，采用双线性映射构造的基于身份加密方案使得该方案不具有椭圆曲线高效的优点。
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To accelerate point multiplication operation ofellipticcurve cryptography(ECC), a fast reduction algorithm for modular operation was introduced.