34 lines
1.1 KiB
JavaScript
34 lines
1.1 KiB
JavaScript
const crypto = require('node:crypto');
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const { DateTime } = require('luxon');
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class EncryptionHelper {
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static encryptDataAESGCM(plainText, key) {
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try {
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const iv = crypto.randomBytes(12);
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const cipher = crypto.createCipheriv('aes-256-gcm', key, iv);
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const encryptedText = Buffer.concat([cipher.update(plainText, 'utf8'), cipher.final()]);
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const authTag = cipher.getAuthTag();
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return Buffer.concat([iv, encryptedText, authTag]);
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} catch (error) {
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console.error("Encryption failed:", error);
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return null;
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}
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}
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static makeEncryptedParameter(username, key) {
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const timestamp = DateTime.now().setZone('Europe/Berlin');
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const tsFormatted = timestamp.toFormat('yyyy-MM-dd HH:mm:ss');
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const plainText = `${tsFormatted} ${username}`;
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const hash = crypto.createHash('sha256').update(key, 'utf8').digest();
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const encryptedData = this.encryptDataAESGCM(plainText, hash);
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const base64Encoded = encryptedData.toString('base64');
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return base64Encoded;
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}
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}
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module.exports = EncryptionHelper |