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sm2349's Introduction

SM2, SM3, SM4, SM9 and ZUC

This repository contains GM/T serial standards implementations (SM2, SM3, SM4, SM9 and ZUC) provided by the Commercial Cryptography Testing Center.

Every source code in this repository can be used for academic, non-profit making or non-commercial use only. All implementation are based on MIRACL Cryptographic SDK, which also requires a proper license which may be obtained from Shamus Software Ltd.

Usage

  1. Clone this repository with Git submodules:

    git clone https://github.com/Arkq/SM2349.git && cd SM2349
git submodule update --init --recursive

  2. Build MIRACL library:

    NOTE: This step will compile MIRACL library for x64 Linux platforms only. If your target/host platform is different, please compile MIRACL library by yourself - refer to the documentation provided by the MIRACL library codebase.

    make miracl.a

  3. Build SM algorithms reference implementations:

    make

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sm2349's Issues

SM2_ENC.c Floating point exception (core dumped)

int Test_Point(epoint *point) {
big x, y, x_3, tmp;
x = mirvar(0);
y = mirvar(0);
x_3 = mirvar(0);
tmp = mirvar(0);

//test if y^2=x^3+ax+b
epoint_get(point, x, y);
power(x, 3, para_p, x_3);        //x_3=x^3 mod p
multiply(x, para_a, x);           //x=a*x
divide(x, para_p, tmp);          //x=a*x mod p  , tmp=a*x/p
add(x_3, x, x);                     //x=x^3+ax
add(x, para_b, x);                  //x=x^3+ax+b
divide(x, para_p, tmp);             //x=x^3+ax+b mod p
power(y, 2, para_p, y);          //y=y^2 mod p
if (mr_compare(x, y) != 0)
    return ERR_NOT_VALID_POINT;
else return 0;

}

could u please tell me which version of the miral.a that is used by the repo?

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