@ivu-plus/i-utils
Version:
前端模块化 JavaScript 工具库
127 lines (126 loc) • 2.41 kB
TypeScript
export class ECPointFp {
constructor(curve: any, x: any, y: any, z: any);
curve: any;
x: any;
y: any;
z: any;
zinv: any;
getX(): any;
getY(): any;
/**
* 判断相等
*/
equals(other: any): any;
/**
* 是否是无穷远点
*/
isInfinity(): any;
/**
* 取反，x 轴对称点
*/
negate(): ECPointFp;
/**
* 相加
*
* 标准射影坐标系：
*
* λ1 = x1 * z2
* λ2 = x2 * z1
* λ3 = λ1 − λ2
* λ4 = y1 * z2
* λ5 = y2 * z1
* λ6 = λ4 − λ5
* λ7 = λ1 + λ2
* λ8 = z1 * z2
* λ9 = λ3^2
* λ10 = λ3 * λ9
* λ11 = λ8 * λ6^2 − λ7 * λ9
* x3 = λ3 * λ11
* y3 = λ6 * (λ9 * λ1 − λ11) − λ4 * λ10
* z3 = λ10 * λ8
*/
add(b: any): any;
/**
* 自加
*
* 标准射影坐标系：
*
* λ1 = 3 * x1^2 + a * z1^2
* λ2 = 2 * y1 * z1
* λ3 = y1^2
* λ4 = λ3 * x1 * z1
* λ5 = λ2^2
* λ6 = λ1^2 − 8 * λ4
* x3 = λ2 * λ6
* y3 = λ1 * (4 * λ4 − λ6) − 2 * λ5 * λ3
* z3 = λ2 * λ5
*/
twice(): any;
/**
* 倍点计算
*/
multiply(k: any): any;
}
/**
* 椭圆曲线 y^2 = x^3 + ax + b
*/
export class ECCurveFp {
constructor(q: any, a: any, b: any);
q: any;
a: ECFieldElementFp;
b: ECFieldElementFp;
infinity: ECPointFp;
/**
* 判断两个椭圆曲线是否相等
*/
equals(other: any): any;
/**
* 生成椭圆曲线域元素
*/
fromBigInteger(x: any): ECFieldElementFp;
/**
* 解析 16 进制串为椭圆曲线点
*/
decodePointHex(s: any): ECPointFp | null;
}
/**
* 椭圆曲线域元素
*/
declare class ECFieldElementFp {
constructor(q: any, x: any);
x: any;
q: any;
/**
* 判断相等
*/
equals(other: any): any;
/**
* 返回具体数值
*/
toBigInteger(): any;
/**
* 取反
*/
negate(): ECFieldElementFp;
/**
* 相加
*/
add(b: any): ECFieldElementFp;
/**
* 相减
*/
subtract(b: any): ECFieldElementFp;
/**
* 相乘
*/
multiply(b: any): ECFieldElementFp;
/**
* 相除
*/
divide(b: any): ECFieldElementFp;
/**
* 平方
*/
square(): ECFieldElementFp;
}
export {};