46 lines
1.4 KiB
JavaScript
Executable File
46 lines
1.4 KiB
JavaScript
Executable File
import crypto from 'crypto';
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const algorithm = 'aes-256-ecb';
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const secret = process.env.SECRET_KEY;
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if (!secret) {
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console.warn('[encryption] SECRET_KEY fehlt – verwende unsicheren Fallback (nur für Entwicklung).');
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}
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const key = crypto.scryptSync(secret || 'DEV_FALLBACK_SECRET', 'salt', 32);
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export const generateIv = () => {
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return crypto.randomBytes(16).toString('base64');
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};
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export const encrypt = (text) => {
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const cipher = crypto.createCipheriv(algorithm, key, null);
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let encrypted = cipher.update(text, 'utf8', 'base64');
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encrypted += cipher.final('base64');
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return encrypted;
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};
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export const decrypt = (text) => {
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if (!text) {
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return null;
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}
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const input = String(text);
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try {
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const decipher = crypto.createDecipheriv(algorithm, key, null);
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let decrypted = decipher.update(input, 'base64', 'utf8');
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decrypted += decipher.final('utf8');
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return decrypted;
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} catch (base64Error) {
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try {
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// Rueckwaertskompatibel fuer bereits gespeicherte Hex-Werte.
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const decipher = crypto.createDecipheriv(algorithm, key, null);
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let decrypted = decipher.update(input, 'hex', 'utf8');
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decrypted += decipher.final('utf8');
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return decrypted;
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} catch (hexError) {
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console.log(hexError);
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return null;
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}
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}
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};
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