/* | |
* Copyright 2001-2008 The Apache Software Foundation. | |
* | |
* 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. | |
* | |
*/ | |
using System; | |
using System.Collections.Generic; | |
using System.IO; | |
using System.Security.Cryptography; | |
using System.Text; | |
namespace org.apache.juddi.v3.client.cryptor | |
{ | |
/// <summary> | |
/// 3DES Ciphers | |
/// </summary> | |
/// <author><a href="mailto:alexoree@apache.org">Alex O'Ree</a></author> | |
internal sealed class TripleDESCryptor : Cryptor | |
{ | |
/** | |
* TripleDESCryptoServiceProvider | |
Legal min key size = 128 | |
Legal max key size = 192 | |
Legal min block size = 64 | |
Legal max block size = 64 | |
* */ | |
public string encrypt(string toEncrypt) | |
{ | |
byte[] toEncryptArray = UTF8Encoding.UTF8.GetBytes(toEncrypt); | |
// Get the key from config file | |
//192 64 s6RDEWiv+mQ= iFGC3Nx1XvUCfDbHTKg8BEPIlJ+oLM7l | |
TripleDESCryptoServiceProvider tdes = new TripleDESCryptoServiceProvider(); | |
tdes.IV = Convert.FromBase64String("s6RDEWiv+mQ="); | |
tdes.Key = Convert.FromBase64String("iFGC3Nx1XvUCfDbHTKg8BEPIlJ+oLM7l"); | |
ICryptoTransform cTransform = tdes.CreateEncryptor(); | |
//transform the specified region of bytes array to resultArray | |
byte[] resultArray = | |
cTransform.TransformFinalBlock(toEncryptArray, 0, | |
toEncryptArray.Length); | |
//Release resources held by TripleDes Encryptor | |
tdes.Clear(); | |
//Return the encrypted data into unreadable string format | |
return Convert.ToBase64String(resultArray, 0, resultArray.Length); | |
} | |
public string decrypt(string str) | |
{ | |
//get the byte code of the string | |
byte[] toEncryptArray = Convert.FromBase64String(str); | |
TripleDESCryptoServiceProvider tdes = new TripleDESCryptoServiceProvider(); | |
tdes.IV = Convert.FromBase64String("s6RDEWiv+mQ="); | |
tdes.Key = Convert.FromBase64String("iFGC3Nx1XvUCfDbHTKg8BEPIlJ+oLM7l"); | |
ICryptoTransform cTransform = tdes.CreateDecryptor(); | |
byte[] resultArray = cTransform.TransformFinalBlock( | |
toEncryptArray, 0, toEncryptArray.Length); | |
//Release resources held by TripleDes Encryptor | |
tdes.Clear(); | |
//return the Clear decrypted TEXT | |
return UTF8Encoding.UTF8.GetString(resultArray); | |
} | |
} | |
} |