This work presents a dual-core two-field elliptic curve cryptosystem supporting several elliptic curve cryptography(ECC) protocols to accelerate signature generation and verification.

为了加快签名和验证的速度，给出了一种支持多种椭圆曲线密码（ECC）协议的双核双域ECC处理器结构。

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So we put forward an algorithm of dual concurrent signature and design an electronic payment protocol without the trusted third party (TTP).

通过以上分析研究，本文提出了“双重的同时生效签名”算法，设计了无可信第三方的电子支付协议。

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The verifier can verify the signature one time or twice by the actual situation, so it can realize a kind of scheme with the dual security of protection.

验证者可根据实际情况，实施一次或两次验证，从而实现了双重安全保护机制。

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While customers on one network can call the other, they can't use the signature services of each without a so-called dual mode phone.

FORBES: Now, How Do They Plug It In?

Mr Thoburn, who is now using dual measure scales, gathered support from shoppers to hand over a 5, 000-signature petition on the issue to Downing Street.

BBC: Grocer fights metric laws