24 lines
No EOL
511 B
JavaScript
24 lines
No EOL
511 B
JavaScript
const EC = require('elliptic').ec;
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const SHA256 = require('crypto-js/sha256');
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const uuidV1 = require('uuid/v1');
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const ec = new EC('secp256k1');
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class ChainUtil {
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static genKeyPair() {
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return ec.genKeyPair();
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}
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static id() {
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return uuidV1();
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}
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static hash(data) {
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return SHA256(JSON.stringify(data)).toString();
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}
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static verifySignature(publicKey, signature, dataHash) {
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return ec.keyFromPublic(publicKey, 'hex').verify(dataHash, signature);
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}
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}
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module.exports = ChainUtil; |