org.jasypt.encryption.BigIntegerEncryptor Maven / Gradle / Ivy
/*
* =============================================================================
*
* 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);
}