Elliptic curve cryptographic coprocessor
An elliptic curve cryptography and coprocessor technology, applied in the field of information security, can solve the problems of high power consumption and complex structure, and achieve the effect of reducing intermediate variables, small size, and reducing the number of registers
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[0029] In order to further illustrate the technical means adopted by the present invention and its effects, the following describes in detail in conjunction with preferred embodiments of the present invention and accompanying drawings.
[0030] As an optional embodiment of the present invention, the elliptic curve selected by the present invention is The elliptic curve on The upper irreducible polynomial is f(x)=x 233 +x 74 +1, And b≠0; if Figure 1-6 As shown, the present invention provides an elliptic curve cryptographic coprocessor, which includes: an arithmetic controller 110, an arithmetic unit 120, a parameter register 130, and a RAM 140, wherein the arithmetic controller 110 is connected to the arithmetic unit 120 and the parameter register respectively 130 and RAM140 are electrically connected, used for elliptic curve point multiplication operation and generating control signals to the arithmetic unit 120 to complete the base domain Upper modular addition and ...
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