Method decryptBlock

src/main/java/com/thealgorithms/ciphers/DES.java:192–198

(String message, String[] keys)

    // To decode, we follow the same process as encoding, but with reversed keys
    private String decryptBlock(String message, String[] keys) {
        String[] reversedKeys = new String[keys.length];
        for (int i = 0; i < keys.length; i++) {
            reversedKeys[i] = keys[keys.length - i - 1];
        }
        return encryptBlock(message, reversedKeys);
    }

    /**
     * @param message Message to be encrypted