33 lines
1015 B
JavaScript
33 lines
1015 B
JavaScript
import crypto from 'crypto';
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import dotenv from 'dotenv';
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dotenv.config(); // Laden der Umgebungsvariablen
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const algorithm = 'aes-256-cbc';
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const secretKey = process.env.SECRET_KEY;
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if (!secretKey || secretKey.length !== 32) {
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throw new Error('SECRET_KEY length must be 32 bytes');
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}
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const encrypt = (text, iv) => {
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const cipher = crypto.createCipheriv(algorithm, Buffer.from(secretKey, 'utf-8'), iv);
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let encrypted = cipher.update(text);
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encrypted = Buffer.concat([encrypted, cipher.final()]);
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return encrypted.toString('hex');
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};
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const decrypt = (encryptedText, iv) => {
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const encryptedBuffer = Buffer.from(encryptedText, 'hex');
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const decipher = crypto.createDecipheriv(algorithm, Buffer.from(secretKey, 'utf-8'), iv);
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let decrypted = decipher.update(encryptedBuffer);
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decrypted = Buffer.concat([decrypted, decipher.final()]);
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return decrypted.toString();
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};
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const generateIv = () => {
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return crypto.randomBytes(16);
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};
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export { encrypt, decrypt, generateIv };
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