ynaJev1Q

1private static final String encryptedText =
2			 "HmIa4BguCeB2UU0UuW0eRSeH6VZNPnLVlRgVkBQ7/D0b0I/HCoX03QiEM3/I3gYzLCLYNjWMJz2NygRLQFEfO58odVQE2+yePbxCedVfYZsk7AbMuaqa5cu6YdgMNf+DarP193suRSCgxSKOsg==";
3	private static final String keyHex = "404142434445464748494A4B4C4D4E4F";
4	private static final String ivHex = "FA4A5B9D0AB62C15E47023EEEE07D063";
5
6	public static void main(String[] args) {
7		Security.addProvider(new BouncyCastleProvider());
8		System.out.println(decryptWithAES_GCM(encryptedText, keyHex, ivHex));
9	}
10
11	public static String decryptWithAES_GCM(String encryptedText, String keyHex, String ivHex) {
12
13		byte[] dectyptedText;
14		byte[] key = Hex.decode(keyHex);
15		byte[] iv = Hex.decode(ivHex);
16
17		try {
18			SecretKeySpec secretKey = new SecretKeySpec(key, "AES");
19			Cipher cipher = Cipher.getInstance("AES/GCM/NoPadding", "BC");
20			GCMParameterSpec parameterSpec = new GCMParameterSpec(iv.length * 8, iv);
21			cipher.init(Cipher.DECRYPT_MODE, secretKey, parameterSpec);
22			dectyptedText = cipher.doFinal(Base64.decode(encryptedText));
23		} catch (Exception e) {
24			throw new RuntimeException(e);
25		}
26
27		return new String(dectyptedText);
28	}