43 lines
853 B
JavaScript
43 lines
853 B
JavaScript
const crypto = require('crypto');
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const config = require('../config.json');
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const algorithm = 'aes-256-ctr';
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const secretKey = config.encrypt_secret;
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const key = crypto
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.createHash('sha256')
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.update(String(secretKey))
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.digest('base64')
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.substr(0, 32);
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const iv = crypto.randomBytes(16);
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const encrypt = (text) => {
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const cipher = crypto.createCipheriv(algorithm, key, iv);
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const encrypted = Buffer.concat([cipher.update(text), cipher.final()]);
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return {
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iv: iv.toString('hex'),
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content: encrypted.toString('hex'),
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};
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};
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const decrypt = (hash) => {
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const decipher = crypto.createDecipheriv(
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algorithm,
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key,
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Buffer.from(hash.iv, 'hex')
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);
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const decrpyted = Buffer.concat([
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decipher.update(Buffer.from(hash.content, 'hex')),
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decipher.final(),
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]);
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return decrpyted.toString();
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};
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module.exports = {
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encrypt,
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decrypt,
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};
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