20 lines
570 B
JavaScript
20 lines
570 B
JavaScript
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import { ec } from 'elliptic';
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const EC = new ec('secp256k1');
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export const generateXY = pub => {
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const stripped = pub.slice(2);
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const key = EC.keyFromPublic(stripped, 'hex');
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const pubPoint = key.getPublic();
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const x = '0x' + pubPoint.getX().toString(16);
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const y = '0x'+ pubPoint.getY().toString(16);
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return { x, y };
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}
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export const keyFromXY = (X, Y) => {
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const x = Buffer.from(X.substring(2), 'hex');
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const y = Buffer.from(Y.substring(2), 'hex');
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const keys = EC.keyFromPublic({ x, y }, 'hex');
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return `0x${keys.getPublic().encode('hex')}`;
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}
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