PKrffBNW

1public static String encryptWithAES_GCM(String plainText, String keyHex, String ivHex) {
2		byte[] cipherText;
3		byte[] key = Hex.decode(keyHex);
4		byte[] iv = Hex.decode(ivHex);
5
6		try {
7			SecretKeySpec secretKey = new SecretKeySpec(key, "AES");
8			Cipher cipher = Cipher.getInstance("AES/GCM/NoPadding", "BC");
9			GCMParameterSpec parameterSpec = new GCMParameterSpec(128, iv);
10			cipher.init(Cipher.ENCRYPT_MODE, secretKey, parameterSpec);
11			cipherText = cipher.doFinal(plainText.getBytes());
12		} catch (Exception e) {
13			throw new RuntimeException(e);
14		}
15
16		return Base64.toBase64String(cipherText);
17}