presto-main/src/main/java/io/prestosql/spiller/AesSpillCipher.java/AesSpillCipher/createDecryptCipher
class AesSpillCipher:    private static Cipher createDecryptCipher(SecretKey key, IvParameterSpec iv)
    {
        Cipher cipher = createUninitializedCipher();
        try {
            cipher.init(Cipher.DECRYPT_MODE, throwCipherClosedIfNull(key), iv);
            return cipher;
        }
        catch (GeneralSecurityException e) {
            throw new PrestoException(GENERIC_INTERNAL_ERROR, "Failed to initialize spill cipher for decryption: " + e.getMessage(), e);
        }
    }