/*
Linux:
echo  -n 1234567890ABCDEF| openssl enc -aes-128-cbc  -K 0 -iv 0 -nopad -nosalt |base64
*/

byte[] key = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};

iv = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};

Cipher c = Cipher.getInstance("AES/CBC/NoPadding");
Key k = new SecretKeySpec(key, "AES");
c.init(Cipher.ENCRYPT_MODE, k, new IvParameterSpec(iv));

byte[] encrypt = c.doFinal("1234567890ABCDEF".getBytes("UTF-8"));

System.out.println(new String(Base64.encodeBase64(encrypt)));