sviolet.thistle.util.crypto.DESCipher Maven / Gradle / Ivy
/*
* Copyright (C) 2015-2017 S.Violet
*
* 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.
*
* Project GitHub: https://github.com/shepherdviolet/thistle
* Email: [email protected]
*/
package sviolet.thistle.util.crypto;
import sviolet.thistle.util.crypto.base.BaseCipher;
import javax.crypto.BadPaddingException;
import javax.crypto.IllegalBlockSizeException;
import javax.crypto.NoSuchPaddingException;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.security.InvalidAlgorithmParameterException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
/**
* DES加密工具
*
* Cipher/Signature/MessageDigest线程不安全!!!
*
* @author S.Violet
*/
public class DESCipher {
/**
* 密钥类型:DES
*/
public static final String KEY_ALGORITHM = "DES";
/**
* 加密算法:DES + 无填充
*/
public static final String CRYPTO_ALGORITHM_DES = "DES";
/**
* 加密算法:DES + ECB/PKCS5Padding填充
*/
public static final String CRYPTO_ALGORITHM_DES_ECB_PKCS5PADDING = "DES/ECB/PKCS5Padding";
/**
* 加密算法:DES + CBC/PKCS5Padding
*/
public static final String CRYPTO_ALGORITHM_DES_CBC_PKCS5PADDING = "DES/CBC/PKCS5Padding";
/**
* 加密算法:DES + CBC无填充
*/
public static final String CRYPTO_ALGORITHM_DES_CBC_NOPADDING = "DES/CBC/NoPadding";
/**
* 加密(byte[]数据)
*
* @param data 数据
* @param key 秘钥(AES:128/256bit, DES:64/192bit), 64bit为DES, 192bit为DESEDE, 若为16bytes秘钥， 则在后面补上前8bytes(AAAAAAAABBBBBBBB -> AAAAAAAABBBBBBBBAAAAAAAA)
* @param cryptoAlgorithm 加密算法/填充算法
*
* @throws NoSuchAlgorithmException 加密算法无效
* @throws NoSuchPaddingException 填充算法无效
* @throws InvalidKeyException 秘钥无效
* @throws IllegalBlockSizeException 块大小无效
* @throws BadPaddingException 填充错误(密码错?)
* @throws InvalidAlgorithmParameterException 算法参数无效
*/
public static byte[] encrypt(byte[] data, byte[] key, String cryptoAlgorithm) throws NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException, IllegalBlockSizeException, BadPaddingException{
return BaseCipher.encrypt(data, key, KEY_ALGORITHM, cryptoAlgorithm);
}
/**
* 加密(byte[]数据, 使用CBC填充算法时需要用该方法并指定iv初始化向量)
*
* @param data 数据
* @param key 秘钥(AES:128/256bit, DES:64/192bit), 64bit为DES, 192bit为DESEDE, 若为16bytes秘钥， 则在后面补上前8bytes(AAAAAAAABBBBBBBB -> AAAAAAAABBBBBBBBAAAAAAAA)
* @param ivSeed iv初始化向量, 8 bytes, 例如:"12345678".getBytes("UTF-8")
* @param cryptoAlgorithm 加密算法/填充算法
*
* @throws NoSuchAlgorithmException 加密算法无效
* @throws NoSuchPaddingException 填充算法无效
* @throws InvalidKeyException 秘钥无效
* @throws IllegalBlockSizeException 块大小无效
* @throws BadPaddingException 填充错误(密码错?)
* @throws InvalidAlgorithmParameterException 算法参数无效
*/
public static byte[] encryptCBC(byte[] data, byte[] key, byte[] ivSeed, String cryptoAlgorithm) throws NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException, IllegalBlockSizeException, BadPaddingException, InvalidAlgorithmParameterException{
return BaseCipher.encryptCBC(data, key, KEY_ALGORITHM, ivSeed, cryptoAlgorithm);
}
/**
* 加密(大文件, 注意, 输入输出流会被关闭)
*
* @param in 待加密数据流
* @param out 加密后数据流
* @param key 秘钥(AES:128/256bit, DES:64/192bit), 64bit为DES, 192bit为DESEDE, 若为16bytes秘钥， 则在后面补上前8bytes(AAAAAAAABBBBBBBB -> AAAAAAAABBBBBBBBAAAAAAAA)
* @param cryptoAlgorithm 加密算法/填充算法
*
* @throws NoSuchAlgorithmException 加密算法无效
* @throws NoSuchPaddingException 填充算法无效
* @throws InvalidKeyException 秘钥无效
* @throws IllegalBlockSizeException 块大小无效
* @throws BadPaddingException 填充错误(密码错?)
* @throws InvalidAlgorithmParameterException 算法参数无效
*/
public static void encrypt(InputStream in, OutputStream out, byte[] key, String cryptoAlgorithm) throws NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException, IOException {
BaseCipher.encrypt(in, out, key, KEY_ALGORITHM, cryptoAlgorithm);
}
/**
* 加密(大文件, 注意, 输入输出流会被关闭, 使用CBC填充算法时需要用该方法并指定iv初始化向量)
*
* @param in 待加密数据流
* @param out 加密后数据流
* @param key 秘钥(AES:128/256bit, DES:64/192bit), 64bit为DES, 192bit为DESEDE, 若为16bytes秘钥， 则在后面补上前8bytes(AAAAAAAABBBBBBBB -> AAAAAAAABBBBBBBBAAAAAAAA)
* @param ivSeed iv初始化向量, 8 bytes, 例如:"12345678".getBytes("UTF-8")
* @param cryptoAlgorithm 加密算法/填充算法
*
* @throws NoSuchAlgorithmException 加密算法无效
* @throws NoSuchPaddingException 填充算法无效
* @throws InvalidKeyException 秘钥无效
* @throws IllegalBlockSizeException 块大小无效
* @throws BadPaddingException 填充错误(密码错?)
* @throws InvalidAlgorithmParameterException 算法参数无效
*/
public static void encryptCBC(InputStream in, OutputStream out, byte[] key, byte[] ivSeed, String cryptoAlgorithm) throws NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException, InvalidAlgorithmParameterException, IOException {
BaseCipher.encryptCBC(in, out, key, KEY_ALGORITHM, ivSeed, cryptoAlgorithm);
}
/**
* 解密(byte[]数据)
*
* @param data 数据
* @param key 秘钥(AES:128/256bit, DES:64/192bit), 64bit为DES, 192bit为DESEDE, 若为16bytes秘钥， 则在后面补上前8bytes(AAAAAAAABBBBBBBB -> AAAAAAAABBBBBBBBAAAAAAAA)
* @param cryptoAlgorithm 加密算法/填充算法
*
* @throws NoSuchAlgorithmException 加密算法无效
* @throws NoSuchPaddingException 填充算法无效
* @throws InvalidKeyException 秘钥无效
* @throws IllegalBlockSizeException 块大小无效
* @throws BadPaddingException 填充错误(密码错?)
* @throws InvalidAlgorithmParameterException 算法参数无效
*/
public static byte[] decrypt(byte[] data, byte[] key, String cryptoAlgorithm) throws NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException, IllegalBlockSizeException, BadPaddingException{
return BaseCipher.decrypt(data, key, KEY_ALGORITHM, cryptoAlgorithm);
}
/**
* 解密(byte[]数据, CBC填充需要用该方法并指定iv初始化向量)
*
* @param data 数据
* @param key 秘钥(AES:128/256bit, DES:64/192bit), 64bit为DES, 192bit为DESEDE, 若为16bytes秘钥， 则在后面补上前8bytes(AAAAAAAABBBBBBBB -> AAAAAAAABBBBBBBBAAAAAAAA)
* @param ivSeed iv初始化向量, 8 bytes, 例如:"12345678".getBytes("UTF-8")
* @param cryptoAlgorithm 加密算法/填充算法
*
* @throws NoSuchAlgorithmException 加密算法无效
* @throws NoSuchPaddingException 填充算法无效
* @throws InvalidKeyException 秘钥无效
* @throws IllegalBlockSizeException 块大小无效
* @throws BadPaddingException 填充错误(密码错?)
* @throws InvalidAlgorithmParameterException 算法参数无效
*/
public static byte[] decryptCBC(byte[] data, byte[] key, byte[] ivSeed, String cryptoAlgorithm) throws NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException, IllegalBlockSizeException, BadPaddingException, InvalidAlgorithmParameterException{
return BaseCipher.decryptCBC(data, key, KEY_ALGORITHM, ivSeed, cryptoAlgorithm);
}
/**
* 解密(大文件, 注意, 输入输出流会被关闭)
*
* @param in 待解密数据流
* @param out 解密后数据流
* @param key 秘钥(AES:128/256bit, DES:64/192bit), 64bit为DES, 192bit为DESEDE, 若为16bytes秘钥， 则在后面补上前8bytes(AAAAAAAABBBBBBBB -> AAAAAAAABBBBBBBBAAAAAAAA)
* @param cryptoAlgorithm 加密算法/填充算法
*
* @throws NoSuchAlgorithmException 加密算法无效
* @throws NoSuchPaddingException 填充算法无效
* @throws InvalidKeyException 秘钥无效
* @throws IllegalBlockSizeException 块大小无效
* @throws BadPaddingException 填充错误(密码错?)
* @throws InvalidAlgorithmParameterException 算法参数无效
*/
public static void decrypt(InputStream in, OutputStream out, byte[] key, String cryptoAlgorithm) throws NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException, IOException {
BaseCipher.decrypt(in, out, key, KEY_ALGORITHM, cryptoAlgorithm);
}
/**
* 解密(大文件, 注意, 输入输出流会被关闭, CBC填充需要用该方法并指定iv初始化向量)
*
* @param in 待解密数据流
* @param out 解密后数据流
* @param key 秘钥(AES:128/256bit, DES:64/192bit), 64bit为DES, 192bit为DESEDE, 若为16bytes秘钥， 则在后面补上前8bytes(AAAAAAAABBBBBBBB -> AAAAAAAABBBBBBBBAAAAAAAA)
* @param ivSeed iv初始化向量, 8 bytes, 例如:"12345678".getBytes("UTF-8")
* @param cryptoAlgorithm 加密算法/填充算法
*
* @throws NoSuchAlgorithmException 加密算法无效
* @throws NoSuchPaddingException 填充算法无效
* @throws InvalidKeyException 秘钥无效
* @throws IllegalBlockSizeException 块大小无效
* @throws BadPaddingException 填充错误(密码错?)
* @throws InvalidAlgorithmParameterException 算法参数无效
*/
public static void decryptCBC(InputStream in, OutputStream out, byte[] key, byte[] ivSeed, String cryptoAlgorithm) throws NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException, InvalidAlgorithmParameterException, IOException {
BaseCipher.decryptCBC(in, out, key, KEY_ALGORITHM, ivSeed, cryptoAlgorithm);
}
}