// Cipher.java
// Required interface for CS 10 assignment 5, part 2, Fall 2008
// cmc, updated 11/18/08

// DO NOT CHANGE THIS FILE - you will not turn it in

/**
   An interface for classes that encrypt and decrypt text.
*/
public interface Cipher {

    /**
       Encrypts plain text.
       @param text the text to encrypt.
       @return the encrypted text as a String.
    */
    String encrypt(String text);

    /**
       Decrypts encrypted text.
       @param text the encrypted text to decrypt.
       @return the decrypted text as a String.
    */
    String decrypt(String text);
}