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/*
 * =============================================================================
 * 
 *   Copyright (c) 2007-2010, The JASYPT team (http://www.jasypt.org)
 * 
 *   Licensed under the Apache License, Version 2.0 (the "License");
 *   you may not use this file except in compliance with the License.
 *   You may obtain a copy of the License at
 * 
 *       http://www.apache.org/licenses/LICENSE-2.0
 * 
 *   Unless required by applicable law or agreed to in writing, software
 *   distributed under the License is distributed on an "AS IS" BASIS,
 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *   See the License for the specific language governing permissions and
 *   limitations under the License.
 * 
 * =============================================================================
 */
package org.jasypt.encryption;

import java.math.BigInteger;


/**
 * 

* Common interface for all Encryptors which receive a * BigInteger (arbitrary precision) message and return a BigInteger result. *

*

* Important: The size of the result of encrypting a number, depending * on the algorithm, may be much bigger (in bytes) than the size of the * encrypted number itself. For example, encrypting a 4-byte integer can * result in an encrypted 16-byte number. This can lead the user into * problems if the encrypted values are to be stored and not enough room * has been provided. *

* * @since 1.2 * * @author Daniel Fernández * */ public interface BigIntegerEncryptor { /** * Encrypt the input message * * @param message the message to be encrypted * @return the result of encryption */ public BigInteger encrypt(BigInteger message); /** * Decrypt an encrypted message * * @param encryptedMessage the encrypted message to be decrypted * @return the result of decryption */ public BigInteger decrypt(BigInteger encryptedMessage); }




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