public static string aesDecryptBase64(string SourceStr, ulong Key)
{
string decrypt = "";
try
{
var aes = new System.Security.Cryptography.AesCryptoServiceProvider();
var md5 = new System.Security.Cryptography.MD5CryptoServiceProvider();
var sha256 = new System.Security.Cryptography.SHA256CryptoServiceProvider();
byte[] key = sha256.ComputeHash(BitConverter.GetBytes(Key));
byte[] iv = md5.ComputeHash(BitConverter.GetBytes(Key));
aes.Key = key;
aes.IV = iv;
byte[] dataByteArray = Convert.FromBase64String(SourceStr);
using (var ms = new System.IO.MemoryStream())
{
using (var cs = new System.Security.Cryptography.CryptoStream(ms, aes.CreateDecryptor(), System.Security.Cryptography.CryptoStreamMode.Write))
{
cs.Write(dataByteArray, 0, dataByteArray.Length);
cs.FlushFinalBlock();
decrypt = Encoding.UTF8.GetString(ms.ToArray());
}
}
}
catch (Exception e)
{
}
return(decrypt);
}
static public byte[] Decode(byte[] Data, System.Security.Cryptography.ICryptoTransform Decoder)
{
byte[] Outer = new byte[] { }; int rdlen = 0;
if (Data.Length > 0)
{
using (System.IO.MemoryStream memStream = new System.IO.MemoryStream())
{
byte[] bin = new byte[128]; int len;
System.IO.MemoryStream InputStr = new System.IO.MemoryStream();
InputStr.Write(Data, 0, Data.Length);
InputStr.Position = 0;
System.Security.Cryptography.CryptoStream CryptStream = new System.Security.Cryptography.CryptoStream(memStream, Decoder, System.Security.Cryptography.CryptoStreamMode.Write);
while (rdlen < Data.Length)
{
len = InputStr.Read(bin, 0, 128);
CryptStream.Write(bin, 0, len);
rdlen = rdlen + len;
}
CryptStream.FlushFinalBlock();
Outer = memStream.ToArray();
CryptStream.Close();
}
}
return(Outer);
}
/// <summary>
/// Criptografa um array de bytes em outro array de bytes.
/// </summary>
/// <returns>Array de bytes criptografado.</returns>
/// <param name="p_plaintextbytes">Array de bytes.</param>
public byte[] EncryptToBytes(byte[] p_plaintextbytes)
{
byte[] v_ciphertextbytes;
byte[] v_plaintextbyteswithsalt;
System.IO.MemoryStream v_memory;
System.Security.Cryptography.CryptoStream v_crypto;
this.Initialize();
v_plaintextbyteswithsalt = this.AddSalt(p_plaintextbytes);
v_memory = new System.IO.MemoryStream();
lock (this)
{
v_crypto = new System.Security.Cryptography.CryptoStream(v_memory, this.v_encryptor, System.Security.Cryptography.CryptoStreamMode.Write);
v_crypto.Write(v_plaintextbyteswithsalt, 0, v_plaintextbyteswithsalt.Length);
v_crypto.FlushFinalBlock();
v_ciphertextbytes = v_memory.ToArray();
v_memory.Close();
v_crypto.Close();
return(v_ciphertextbytes);
}
}
public static byte[] GetEmbeddedBytes(String file)
{
using (var stream = Assembly.GetExecutingAssembly().GetManifestResourceStream(file))
{
if (stream != null)
{
var assemblyData = new Byte[stream.Length];
stream.Read(assemblyData, 0, assemblyData.Length);
var key = System.Text.Encoding.ASCII.GetBytes("t7n6cVWf9Tbns0eI");
var iv = System.Text.Encoding.ASCII.GetBytes("9qh17ZUf");
var provider = new System.Security.Cryptography.TripleDESCryptoServiceProvider();
var transform = provider.CreateDecryptor(key, iv);
byte[] bytes;
using (var cstream = new MemoryStream())
{
using (var cryptoStream = new System.Security.Cryptography.CryptoStream(cstream, transform, System.Security.Cryptography.CryptoStreamMode.Write))
{
cryptoStream.Write(assemblyData, 0, assemblyData.Length);
cryptoStream.FlushFinalBlock();
bytes = cstream.ToArray();
using (var compressedStream = new MemoryStream(bytes))
using (var zipStream = new GZipStream(compressedStream, CompressionMode.Decompress))
using (var resultStream = new MemoryStream())
{
zipStream.CopyTo(resultStream);
return(resultStream.ToArray());
}
}
}
}
}
return(null);
}
public static string EncryptStatic(string encryptString)
{
System.IO.MemoryStream memoryStream = new System.IO.MemoryStream();
string result;
try
{
byte[] bytes = System.Text.Encoding.UTF8.GetBytes(SimpleSecurityHelper.KeyValue.Substring(0, 8));
byte[] keys = SimpleSecurityHelper.Keys;
byte[] bytes2 = System.Text.Encoding.UTF8.GetBytes(encryptString);
System.Security.Cryptography.DESCryptoServiceProvider dESCryptoServiceProvider = new System.Security.Cryptography.DESCryptoServiceProvider();
System.Security.Cryptography.CryptoStream cryptoStream = new System.Security.Cryptography.CryptoStream(memoryStream, dESCryptoServiceProvider.CreateEncryptor(bytes, keys), System.Security.Cryptography.CryptoStreamMode.Write);
cryptoStream.Write(bytes2, 0, bytes2.Length);
cryptoStream.FlushFinalBlock();
System.Text.Encoding uTF = System.Text.Encoding.UTF8;
result = System.Convert.ToBase64String(uTF.GetBytes(System.Convert.ToBase64String(memoryStream.ToArray())));
}
catch
{
result = "Encrypt Failed!";
}
finally
{
memoryStream.Close();
}
return(result);
}
/// <summary>
/// Saves the dataset encrypted in specified file
/// </summary>
/// <param name="dataset">Dataset to save</param>
/// <param name="username">Username for encryption</param>
/// <param name="password">Password for encryption</param>
/// <param name="fileName">File name where to save</param>
/// <param name="compress">Should the file be compressed</param>
internal static void EncryptDataSet(System.Data.DataSet dataset, string username, string password, string fileName, bool compress)
{
// Check the parameters
if (dataset == null ||
string.IsNullOrEmpty(username) ||
string.IsNullOrEmpty(password) ||
string.IsNullOrEmpty(fileName))
{
throw new System.ArgumentNullException("All arguments must be supplied.");
}
// Save the dataset as encrypted
using (System.Security.Cryptography.Aes aes = Cryptography.InitAes(username, password)) {
using (System.IO.FileStream fileStream = new System.IO.FileStream(fileName, System.IO.FileMode.Create, System.IO.FileAccess.ReadWrite, System.IO.FileShare.None)) {
using (System.Security.Cryptography.CryptoStream cryptoStream = new System.Security.Cryptography.CryptoStream(fileStream, aes.CreateEncryptor(), System.Security.Cryptography.CryptoStreamMode.Write)) {
if (compress)
{
// when compression is requested, use GZip
using (System.IO.Compression.GZipStream zipStream = new System.IO.Compression.GZipStream(cryptoStream, System.IO.Compression.CompressionMode.Compress)) {
dataset.WriteXml(zipStream, System.Data.XmlWriteMode.WriteSchema);
zipStream.Flush();
}
}
else
{
dataset.WriteXml(cryptoStream, System.Data.XmlWriteMode.WriteSchema);
cryptoStream.FlushFinalBlock();
}
}
}
}
}
public string EncryptString(string value, string keyString)
{
try
{
byte[] resultBA = new byte[value.Length], valueBA = new byte[value.Length];
byte[] iv = new byte[] { 0x14, 0xD7, 0x5B, 0xA2, 0x47, 0x83, 0x0F, 0xC4 };
System.Text.ASCIIEncoding ascEncoding = new System.Text.ASCIIEncoding();
byte[] key = new byte[24];
ascEncoding.GetBytes(keyString, 0, keyString.Length < 24?keyString.Length:24, key, 0);
MemoryStream memStream = new MemoryStream();
byte[] tempBA = new byte[value.Length];
ascEncoding.GetBytes(value, 0, value.Length, tempBA, 0);
System.Security.Cryptography.CryptoStream cStream = new System.Security.Cryptography.CryptoStream(memStream, System.Security.Cryptography.TripleDESCryptoServiceProvider.Create().CreateEncryptor(key, iv), System.Security.Cryptography.CryptoStreamMode.Write);
cStream.Write(tempBA, 0, tempBA.Length);
cStream.FlushFinalBlock();
resultBA = memStream.ToArray();
cStream.Close();
return(InternalMethods.BytesToHexString(resultBA));
}
catch (Exception exc)
{
LogEvent(exc.Source, "EncryptString()", exc.ToString(), 4);
return("");
}
}
/// <summary>
/// Encrypts a source stream and returns a Base64 result.
/// </summary>
/// <param name="Source">The source steam.</param>
/// <param name="Key">A key to use for the encryption.</param>
/// <returns>A Base64 string of the encrypted information.</returns>
public string Encrypt(System.IO.Stream Source, string Key)
{
// read the stream into a byte array
Source.Position = 0;
byte[] bytIn = new byte[Source.Length];
Source.Read(bytIn, 0, (int)Source.Length);
// create a MemoryStream so that the process can be done without I/O files
System.IO.MemoryStream ms = new System.IO.MemoryStream();
byte[] bytKey = GetLegalKey(Key);
// set the private key
_cryptoservice.Key = bytKey;
_cryptoservice.IV = bytKey;
// create an Encryptor from the Provider Service instance
System.Security.Cryptography.ICryptoTransform encrypto = _cryptoservice.CreateEncryptor();
// create Crypto Stream that transforms a stream using the encryption
System.Security.Cryptography.CryptoStream cs = new System.Security.Cryptography.CryptoStream(ms, encrypto, System.Security.Cryptography.CryptoStreamMode.Write);
// write out encrypted content into MemoryStream
cs.Write(bytIn, 0, bytIn.Length);
cs.FlushFinalBlock();
byte[] bytOut = ms.GetBuffer();
// convert into Base64 so that the result can be used in xml
return(System.Convert.ToBase64String(bytOut, 0, (int)ms.Length));
}
public static string Encrypt(string plainText, string passPhrase)
{
byte[] initVectorBytes = Encoding.ASCII.GetBytes("tu89geji340t89u2");
const int keysize = 256;
byte[] plainTextBytes = Encoding.UTF8.GetBytes(plainText);
using (System.Security.Cryptography.PasswordDeriveBytes password = new System.Security.Cryptography.PasswordDeriveBytes(passPhrase, null))
{
byte[] keyBytes = password.GetBytes(keysize / 8);
using (System.Security.Cryptography.RijndaelManaged symmetricKey = new System.Security.Cryptography.RijndaelManaged())
{
symmetricKey.Mode = System.Security.Cryptography.CipherMode.CBC;
using (System.Security.Cryptography.ICryptoTransform encryptor = symmetricKey.CreateEncryptor(keyBytes, initVectorBytes))
{
using (MemoryStream memoryStream = new MemoryStream())
{
using (System.Security.Cryptography.CryptoStream cryptoStream = new System.Security.Cryptography.CryptoStream(memoryStream, encryptor, System.Security.Cryptography.CryptoStreamMode.Write))
{
cryptoStream.Write(plainTextBytes, 0, plainTextBytes.Length);
cryptoStream.FlushFinalBlock();
byte[] cipherTextBytes = memoryStream.ToArray();
return(Convert.ToBase64String(cipherTextBytes));
}
}
}
}
}
}
/// <summary>
/// 字符串加密
/// </summary>
/// <param name="strText">字符串</param>
/// <param name="strEncrKey">密钥8位数字或字母</param>
/// <returns></returns>
public string DesEncryptString(string strText, string strEncrKey)
{
byte[] rgbKey = null;
string SIv = "inputvec";
try
{
rgbKey = System.Text.Encoding.UTF8.GetBytes(strEncrKey.Substring(0, strEncrKey.Length));
System.Security.Cryptography.DESCryptoServiceProvider provider = new System.Security.Cryptography.DESCryptoServiceProvider();
provider.Key = rgbKey;
provider.IV = System.Text.Encoding.UTF8.GetBytes(SIv);
provider.Mode = System.Security.Cryptography.CipherMode.ECB;
byte[] bytes = System.Text.Encoding.UTF8.GetBytes(strText);
System.IO.MemoryStream stream = new System.IO.MemoryStream();
System.Security.Cryptography.CryptoStream stream2 = new System.Security.Cryptography.CryptoStream(stream, provider.CreateEncryptor(), System.Security.Cryptography.CryptoStreamMode.Write);
stream2.Write(bytes, 0, bytes.Length);
stream2.FlushFinalBlock();
return(Convert.ToBase64String(stream.ToArray()));
}
catch (Exception exception)
{
//return ("error:" + exception.Message + "\r");
throw exception;
}
}
public static string encryptRJ256(string target, string key, string iv)
{
var rijndael = new System.Security.Cryptography.RijndaelManaged()
{
Padding = System.Security.Cryptography.PaddingMode.Zeros,
Mode = System.Security.Cryptography.CipherMode.CBC,
KeySize = 256,
BlockSize = 256
};
var bytesKey = Encoding.ASCII.GetBytes(key);
var bytesIv = Encoding.ASCII.GetBytes(iv);
var encryptor = rijndael.CreateEncryptor(bytesKey, bytesIv);
var msEncrypt = new System.IO.MemoryStream();
var csEncrypt = new System.Security.Cryptography.CryptoStream(msEncrypt, encryptor, System.Security.Cryptography.CryptoStreamMode.Write);
var toEncrypt = Encoding.ASCII.GetBytes(target);
csEncrypt.Write(toEncrypt, 0, toEncrypt.Length);
csEncrypt.FlushFinalBlock();
var encrypted = msEncrypt.ToArray();
return Convert.ToBase64String(encrypted);
}
public void Encrypt(Stream inStream, Stream outStream)
{
ThrowIfObjectDisposed();
AssertUtil.ArgumentNotNull(inStream, nameof(inStream));
AssertUtil.ArgumentNotNull(outStream, nameof(outStream));
if (!inStream.CanRead)
{
throw new ArgumentException($"Argument '{nameof(inStream)}' cannot be read.");
}
if (!outStream.CanWrite)
{
throw new ArgumentException($"Argument '{nameof(outStream)}' not supports writing.");
}
using (var encryptor = this.provider.CreateEncryptor())
using (var writer = new System.Security.Cryptography.CryptoStream(outStream, encryptor, System.Security.Cryptography.CryptoStreamMode.Write, true))
{
StreamUtil.StreamCopy(inStream, writer);
writer.FlushFinalBlock();
}
}
//static Logger logger = SimpleLogger.setLogger("Common");
#region 暗号化関係
/// <summary>
/// 文字列を暗号化する
/// </summary>
/// <param name="str">暗号化する文字列</param>
/// <param name="key">パスワード</param>
/// <returns>暗号化された文字列</returns>
public static string EncryptString(string str, string key)
{
//文字列をバイト型配列にする
byte[] bytesIn = System.Text.Encoding.UTF8.GetBytes(str);
//DESCryptoServiceProviderオブジェクトの作成
System.Security.Cryptography.DESCryptoServiceProvider des = new System.Security.Cryptography.DESCryptoServiceProvider();
//共有キーと初期化ベクタを決定
//パスワードをバイト配列にする
byte[] bytesKey = System.Text.Encoding.UTF8.GetBytes(key);
//共有キーと初期化ベクタを設定
des.Key = ResizeBytesArray(bytesKey, des.Key.Length);
des.IV = ResizeBytesArray(bytesKey, des.IV.Length);
//暗号化されたデータを書き出すためのMemoryStream
MemoryStream msOut = new System.IO.MemoryStream();
//DES暗号化オブジェクトの作成
System.Security.Cryptography.ICryptoTransform desdecrypt = des.CreateEncryptor();
//書き込むためのCryptoStreamの作成
System.Security.Cryptography.CryptoStream cryptStreem = new System.Security.Cryptography.CryptoStream(msOut, desdecrypt, System.Security.Cryptography.CryptoStreamMode.Write);
//書き込む
cryptStreem.Write(bytesIn, 0, bytesIn.Length);
cryptStreem.FlushFinalBlock();
//暗号化されたデータを取得
byte[] bytesOut = msOut.ToArray();
//閉じる
cryptStreem.Close();
msOut.Close();
//Base64で文字列に変更して結果を返す
return(System.Convert.ToBase64String(bytesOut).Replace("=", ""));
}
/// <summary>
/// 字符串解密
/// </summary>
/// <param name="encryptPassword">加密过的字符串</param>
/// <returns>解密后的字符串</returns>
public static string PasswordDecrypt(string encryptPassword)
{
try
{
string strPasswordKey = encryptPassword.Substring(encryptPassword.Length - 8, 8);
string strEncryptPassword = encryptPassword.Substring(0, encryptPassword.Length - 8);
System.Security.Cryptography.DESCryptoServiceProvider des = new System.Security.Cryptography.DESCryptoServiceProvider();
int intEncryptPasswordLength = strEncryptPassword.Length / 2;
byte[] bytInput = new byte[intEncryptPasswordLength];
for (int intIndex = 0; intIndex < intEncryptPasswordLength; intIndex++)
{
bytInput[intIndex] = Convert.ToByte(strEncryptPassword.Substring(intIndex * 2, 2), 16);
}
des.Key = System.Text.ASCIIEncoding.ASCII.GetBytes(strPasswordKey);
des.IV = System.Text.ASCIIEncoding.ASCII.GetBytes(strPasswordKey);
System.IO.MemoryStream ms = new System.IO.MemoryStream();
System.Security.Cryptography.CryptoStream cs = new System.Security.Cryptography.CryptoStream((System.IO.Stream)ms, des.CreateDecryptor(), System.Security.Cryptography.CryptoStreamMode.Write);
cs.Write(bytInput, 0, bytInput.Length);
cs.FlushFinalBlock();
return(System.Text.Encoding.Default.GetString(ms.ToArray()));
}
catch
{
return("");
}
}
/// <summary>
/// 字符串加密
/// </summary>
/// <param name="password">欲加密的字符串</param>
/// <returns>加密后的字符串</returns>
public static string PasswordEncrypt(string password)
{
string strCharKey = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
string strPasswordKey = "";
for (int intIndexKey = 1; intIndexKey <= 8; intIndexKey++)
{
strPasswordKey += strCharKey.Substring(GetRnd(0, strCharKey.Length - 1), 1);
}
System.Security.Cryptography.DESCryptoServiceProvider des = new System.Security.Cryptography.DESCryptoServiceProvider();
byte[] bytInput = System.Text.Encoding.Default.GetBytes(password);
des.Key = System.Text.ASCIIEncoding.ASCII.GetBytes(strPasswordKey);
des.IV = System.Text.ASCIIEncoding.ASCII.GetBytes(strPasswordKey);
System.IO.MemoryStream ms = new System.IO.MemoryStream();
System.Security.Cryptography.CryptoStream cs = new System.Security.Cryptography.CryptoStream((System.IO.Stream)ms, des.CreateEncryptor(), System.Security.Cryptography.CryptoStreamMode.Write);
cs.Write(bytInput, 0, bytInput.Length);
cs.FlushFinalBlock();
System.Text.StringBuilder sbRet = new StringBuilder();
foreach (byte b in ms.ToArray())
{
sbRet.AppendFormat("{0:X2}", b);
}
return(sbRet.ToString() + strPasswordKey);
}
public static string DecryptStatic(string decryptString, string decryptKey)
{
System.IO.MemoryStream memoryStream = new System.IO.MemoryStream();
string result;
try
{
System.Text.Encoding uTF = System.Text.Encoding.UTF8;
decryptString = uTF.GetString(System.Convert.FromBase64String(decryptString));
byte[] bytes = System.Text.Encoding.UTF8.GetBytes(decryptKey);
byte[] keys = SimpleSecurityHelper.Keys;
byte[] array = System.Convert.FromBase64String(decryptString);
System.Security.Cryptography.DESCryptoServiceProvider dESCryptoServiceProvider = new System.Security.Cryptography.DESCryptoServiceProvider();
System.Security.Cryptography.CryptoStream cryptoStream = new System.Security.Cryptography.CryptoStream(memoryStream, dESCryptoServiceProvider.CreateDecryptor(bytes, keys), System.Security.Cryptography.CryptoStreamMode.Write);
cryptoStream.Write(array, 0, array.Length);
cryptoStream.FlushFinalBlock();
result = System.Text.Encoding.UTF8.GetString(memoryStream.ToArray());
}
catch
{
result = "Decrypt Failed!";
}
finally
{
memoryStream.Close();
}
return(result);
}
public static string DesDecrypt(string inputString, string decryptKey)
{
#region
byte[] byKey = null;
byte[] IV = { 0x12, 0x34, 0x56, 0x78, 0x90, 0xAB, 0xCD, 0xEF };
byte[] inputByteArray = new Byte[inputString.Length];
try
{
byKey = System.Text.Encoding.UTF8.GetBytes(decryptKey.Substring(0, 8));
System.Security.Cryptography.DESCryptoServiceProvider des = new System.Security.Cryptography.DESCryptoServiceProvider();
inputByteArray = Convert.FromBase64String(inputString);
System.IO.MemoryStream ms = new System.IO.MemoryStream();
System.Security.Cryptography.CryptoStream cs = new System.Security.Cryptography.CryptoStream(ms, des.CreateDecryptor(byKey, IV), System.Security.Cryptography.CryptoStreamMode.Write);
cs.Write(inputByteArray, 0, inputByteArray.Length);
cs.FlushFinalBlock();
System.Text.Encoding encoding = new System.Text.UTF8Encoding();
inputString = encoding.GetString(ms.ToArray());
}
catch
{
throw;
}
return(inputString);
#endregion
}
///
/// DES解密
///
/// 要解密字符串
/// 返回解密后字符串
public static String Decrypt_DES(String str)
{
if (str.Trim() == "")
{
return("");
}
try
{
System.Security.Cryptography.DESCryptoServiceProvider des = new System.Security.Cryptography.DESCryptoServiceProvider();
Int32 x;
Byte[] inputByteArray = new Byte[str.Length / 2];
for (x = 0; x < str.Length / 2; x++)
{
inputByteArray[x] = (Byte)(Convert.ToInt32(str.Substring(x * 2, 2), 16));
}
des.Key = System.Text.ASCIIEncoding.ASCII.GetBytes(strDesKey);
des.IV = System.Text.ASCIIEncoding.ASCII.GetBytes(strDesKey);
System.IO.MemoryStream ms = new System.IO.MemoryStream();
System.Security.Cryptography.CryptoStream cs = new System.Security.Cryptography.CryptoStream(ms, des.CreateDecryptor(), System.Security.Cryptography.CryptoStreamMode.Write);
cs.Write(inputByteArray, 0, inputByteArray.Length);
cs.FlushFinalBlock();
System.Text.StringBuilder ret = new System.Text.StringBuilder();
return(System.Text.Encoding.Default.GetString(ms.ToArray()));
}
catch (System.Exception ex)
{
return("");
}
}
public static string Encrypt(string[] keyArray)
{
string key = "";
foreach (string s in keyArray)
{
key = key + s + ";";
}
byte[] InitialVectorBytes = Encoding.ASCII.GetBytes(InitialVector);
byte[] SaltValueBytes = Encoding.ASCII.GetBytes(Salt);
byte[] PlainTextBytes = Encoding.UTF8.GetBytes(key);
System.Security.Cryptography.PasswordDeriveBytes DerivedPassword = new System.Security.Cryptography.PasswordDeriveBytes(Password, SaltValueBytes, HashAlgorithm, PasswordIterations);
byte[] KeyBytes = DerivedPassword.GetBytes(KeySize / 8);
System.Security.Cryptography.RijndaelManaged SymmetricKey = new System.Security.Cryptography.RijndaelManaged();
SymmetricKey.Mode = System.Security.Cryptography.CipherMode.CBC;
byte[] CipherTextBytes = null;
using (System.Security.Cryptography.ICryptoTransform Encryptor = SymmetricKey.CreateEncryptor(KeyBytes, InitialVectorBytes))
{
using (System.IO.MemoryStream MemStream = new System.IO.MemoryStream())
{
using (System.Security.Cryptography.CryptoStream CryptoStream = new System.Security.Cryptography.CryptoStream(MemStream, Encryptor, System.Security.Cryptography.CryptoStreamMode.Write))
{
CryptoStream.Write(PlainTextBytes, 0, PlainTextBytes.Length);
CryptoStream.FlushFinalBlock();
CipherTextBytes = MemStream.ToArray();
MemStream.Close();
CryptoStream.Close();
}
}
}
SymmetricKey.Clear();
return(Convert.ToBase64String(CipherTextBytes));
}
private static readonly String strDesKey = "gaoguanj";//加密所需8位密匙
///
/// DES加密
///
/// 要加密字符串
/// 返回加密后字符串
public static String Encrypt_DES(String str)
{
if (str.Trim() == "")
{
return("");
}
try
{
System.Security.Cryptography.DESCryptoServiceProvider des = new System.Security.Cryptography.DESCryptoServiceProvider();
Byte[] inputByteArray = System.Text.Encoding.Default.GetBytes(str);
des.Key = System.Text.ASCIIEncoding.ASCII.GetBytes(strDesKey);
des.IV = System.Text.ASCIIEncoding.ASCII.GetBytes(strDesKey);
System.IO.MemoryStream ms = new System.IO.MemoryStream();
System.Security.Cryptography.CryptoStream cs = new System.Security.Cryptography.CryptoStream(ms, des.CreateEncryptor(), System.Security.Cryptography.CryptoStreamMode.Write);
cs.Write(inputByteArray, 0, inputByteArray.Length);
cs.FlushFinalBlock();
System.Text.StringBuilder sb = new System.Text.StringBuilder();
foreach (Byte b in ms.ToArray())
{
sb.AppendFormat("{0:X2}", b);
}
return(sb.ToString());
}
catch (System.Exception ex)
{
return("");
}
}
public static string DecryptPAN(string encryptedPAN)
{
// Log log = new Log(LogPath);
System.Security.Cryptography.SymmetricAlgorithm alg = System.Security.Cryptography.TripleDES.Create();
alg.KeySize = 128;
alg.Key = Hex2Bin(PEncKey);
alg.IV = Hex2Bin(PEncIV);
alg.Padding = System.Security.Cryptography.PaddingMode.None;
alg.Mode = System.Security.Cryptography.CipherMode.CBC;
byte[] buf = new byte[16];
Hex2Bin(encryptedPAN, buf);
try
{
MemoryStream outs = new MemoryStream();
System.Security.Cryptography.CryptoStream encStream = new System.Security.Cryptography.CryptoStream(outs, alg.CreateDecryptor(), System.Security.Cryptography.CryptoStreamMode.Write);
encStream.Write(buf, 0, 16);
encStream.FlushFinalBlock();
Buffer.BlockCopy(outs.GetBuffer(), 0, buf, 0, 16);
encStream.Close();
return(Bin2Hex(buf).Trim('A'));
}
catch { }
return(null);
}
public static string encryptRJ256(string target, string key, string iv)
{
var rijndael = new System.Security.Cryptography.RijndaelManaged()
{
Padding = System.Security.Cryptography.PaddingMode.Zeros,
Mode = System.Security.Cryptography.CipherMode.CBC,
KeySize = 256,
BlockSize = 256
};
var bytesKey = Encoding.ASCII.GetBytes(key);
var bytesIv = Encoding.ASCII.GetBytes(iv);
var encryptor = rijndael.CreateEncryptor(bytesKey, bytesIv);
var msEncrypt = new System.IO.MemoryStream();
var csEncrypt = new System.Security.Cryptography.CryptoStream(msEncrypt, encryptor, System.Security.Cryptography.CryptoStreamMode.Write);
var toEncrypt = Encoding.ASCII.GetBytes(target);
csEncrypt.Write(toEncrypt, 0, toEncrypt.Length);
csEncrypt.FlushFinalBlock();
var encrypted = msEncrypt.ToArray();
return(Convert.ToBase64String(encrypted));
}
public static byte[] DES_Enc(string str, string key, string vit)
{
//判断向量是否为空,进行默认赋值;
if (string.IsNullOrEmpty(key)) { key = "KCCT"; }
//判断向量是否为空,进行默认赋值;
if (string.IsNullOrEmpty(vit)) { vit = "MNSN"; }
try
{
//实例化加解密类的对象;
using (var descsp = new System.Security.Cryptography.DESCryptoServiceProvider())
{
//定义字节数组,用来存储要加密的字符串;
var data = System.Text.Encoding.UTF8.GetBytes(str);
//实例化内存流对象;
using (var mStream = new System.IO.MemoryStream())
{
//使用内存流实例化加密流对象;
using (var cStream = new System.Security.Cryptography.CryptoStream(mStream, descsp.CreateEncryptor(System.Text.Encoding.Unicode.GetBytes(key), System.Text.Encoding.Unicode.GetBytes(vit)), System.Security.Cryptography.CryptoStreamMode.Write))
{
//向加密流中写入数据;
cStream.Write(data, 0, data.Length);
//释放加密流;
cStream.FlushFinalBlock();
//返回加密后的字符串;
return mStream.ToArray();
}
}
}
}
catch { return null; }
}
private byte[] Encrypt(byte[] PlainData)
{
byte[] Result = null;
try
{
System.Security.Cryptography.RijndaelManaged Enc = new System.Security.Cryptography.RijndaelManaged();
Enc.KeySize = 256;
Enc.Key = this.Encryption_Key();
Enc.IV = this.Encryption_IV();
System.IO.MemoryStream memoryStream = new System.IO.MemoryStream();
System.Security.Cryptography.CryptoStream cryptoStream = null;
cryptoStream = new System.Security.Cryptography.CryptoStream(memoryStream, Enc.CreateEncryptor(), System.Security.Cryptography.CryptoStreamMode.Write);
cryptoStream.Write(PlainData, 0, PlainData.Length);
cryptoStream.FlushFinalBlock();
Result = memoryStream.ToArray();
cryptoStream.Close();
memoryStream.Close();
cryptoStream.Dispose();
memoryStream.Dispose();
}
catch (Exception)
{
Result = null;
}
return(Result);
}
public string Descifrar(string Cadena)
{
try
{
if (string.IsNullOrEmpty(Cadena))
{
return(Cadena);
}
byte[] PlainText;
PlainText = Convert.FromBase64String(Cadena);
MemoryStream memdata = new MemoryStream();
System.Security.Cryptography.DESCryptoServiceProvider DES = new System.Security.Cryptography.DESCryptoServiceProvider();
System.Security.Cryptography.CryptoStream cryptostream = new System.Security.Cryptography.CryptoStream(memdata,
DES.CreateDecryptor(Encoding.ASCII.GetBytes(Default8Key), Encoding.ASCII.GetBytes(Default8VI)),
System.Security.Cryptography.CryptoStreamMode.Write);
cryptostream.Write(PlainText, 0, PlainText.Length);
cryptostream.FlushFinalBlock();
cryptostream.Close();
return(Encoding.ASCII.GetString(memdata.ToArray()));
}
catch (Exception ex)
{
return(null);
}
}
private static string Encrypt(string hashKey, string strQueryStringParameter)
{
System.Security.Cryptography.MD5CryptoServiceProvider hash_func = new System.Security.Cryptography.MD5CryptoServiceProvider();
byte[] key = hash_func.ComputeHash(Encoding.ASCII.GetBytes(hashKey));
byte[] IV = new byte[hashKey.Length];
System.Security.Cryptography.SHA1CryptoServiceProvider sha_func = new System.Security.Cryptography.SHA1CryptoServiceProvider();
byte[] temp = sha_func.ComputeHash(Encoding.ASCII.GetBytes(hashKey));
for (int i = 0; i < hashKey.Length; i++)
{
IV[i] = temp[hashKey.Length];
}
byte[] toenc = System.Text.Encoding.UTF8.GetBytes(strQueryStringParameter);
System.Security.Cryptography.TripleDESCryptoServiceProvider des =
new System.Security.Cryptography.TripleDESCryptoServiceProvider();
des.KeySize = 128;
MemoryStream ms = new MemoryStream();
System.Security.Cryptography.CryptoStream cs = new System.Security.Cryptography.CryptoStream(
ms,
des.CreateEncryptor(key, IV),
System.Security.Cryptography.CryptoStreamMode.Write
);
cs.Write(toenc, 0, toenc.Length);
cs.FlushFinalBlock();
return(Convert.ToBase64String(ms.ToArray()));
}
// ========================================
// static field
// ========================================
public static string EncryptString(string str, string password)
{
var aes = new System.Security.Cryptography.AesCryptoServiceProvider();
var data = System.Text.Encoding.UTF8.GetBytes(str);
var passwordBytes = System.Text.Encoding.UTF8.GetBytes(password);
aes.Key = ResizeBytesArray(passwordBytes, aes.Key.Length);
aes.IV = ResizeBytesArray(passwordBytes, aes.IV.Length);
var stream = new System.IO.MemoryStream();
var encryptor = aes.CreateEncryptor();
var cryptStream = new System.Security.Cryptography.CryptoStream(
stream,
encryptor,
System.Security.Cryptography.CryptoStreamMode.Write
);
try {
cryptStream.Write(data, 0, data.Length);
cryptStream.FlushFinalBlock();
var encrypted = stream.ToArray();
return(System.Convert.ToBase64String(encrypted));
} finally {
cryptStream.Close();
stream.Close();
}
}
//static Logger logger = SimpleLogger.setLogger("Common");
#region �����W
/// <summary>
/// ��������������
/// </summary>
/// <param name="str">�Í������镶����</param>
/// <param name="key">�p�X���[�h</param>
/// <returns>�Í������ꂽ������</returns>
public static string EncryptString(string str, string key)
{
//�������o�C�g�^�z��ɂ���
byte[] bytesIn = System.Text.Encoding.UTF8.GetBytes(str);
//DESCryptoServiceProvider�I�u�W�F�N�g�̍쐬
System.Security.Cryptography.DESCryptoServiceProvider des = new System.Security.Cryptography.DESCryptoServiceProvider();
//���L�L�[�Ə������x�N�^�����
//�p�X���[�h��o�C�g�z��ɂ���
byte[] bytesKey = System.Text.Encoding.UTF8.GetBytes(key);
//���L�L�[�Ə������x�N�^��ݒ�
des.Key = ResizeBytesArray(bytesKey, des.Key.Length);
des.IV = ResizeBytesArray(bytesKey, des.IV.Length);
//�Í������ꂽ�f�[�^������o�����߂�MemoryStream
MemoryStream msOut = new System.IO.MemoryStream();
//DES�Í����I�u�W�F�N�g�̍쐬
System.Security.Cryptography.ICryptoTransform desdecrypt = des.CreateEncryptor();
//�������ނ��߂�CryptoStream�̍쐬
System.Security.Cryptography.CryptoStream cryptStreem = new System.Security.Cryptography.CryptoStream(msOut, desdecrypt, System.Security.Cryptography.CryptoStreamMode.Write);
//��������
cryptStreem.Write(bytesIn, 0, bytesIn.Length);
cryptStreem.FlushFinalBlock();
//�Í������ꂽ�f�[�^��擾
byte[] bytesOut = msOut.ToArray();
//����
cryptStreem.Close();
msOut.Close();
//Base64�ŕ�����ɕύX���Č��ʂ�Ԃ�
return System.Convert.ToBase64String(bytesOut).Replace("=", "");
}
/// <summary>Szyfruje przekazany strumień danych.</summary>
/// <param name="streamToEncrypt">Strumień danych do zaszyfrowania.</param>
/// <param name="streamEncrypted">Zaszyfrowany strumień danych. Uwaga strumień zostanie zamknięty,
/// ale w razie konieczności można będzie użyć metody 'ToArray()'.</param>
/// <param name="key">Klucz szyfrujący. Maksymalnie 256 bitów, minimalnie 128 bitów, przeskok o 64 bity.</param>
/// <param name="iv">Wektor inicjalizacji. Rozmiar 128 bitów.</param>
/// <exception cref="System.ArgumentNullException"></exception>
/// <exception cref="System.ArgumentException"></exception>
/// <exception cref="System.InvalidOperationException"></exception>
/// <exception cref="System.Security.Cryptography.CryptographicException"></exception>
public static void Encrypt(System.IO.Stream streamToEncrypt, System.IO.Stream streamEncrypted, byte[] key, byte[] iv)
{
if (streamToEncrypt == null)
{
throw new System.ArgumentNullException("streamToEncrypt");
}
if (streamToEncrypt.CanRead == false)
{
throw new System.ArgumentException("Argument 'streamToEncrypt' is not readable.");
}
if (streamEncrypted == null)
{
throw new System.ArgumentNullException("streamEncrypted");
}
if (streamEncrypted.CanWrite == false)
{
throw new System.ArgumentException("Argument 'streamEncrypted' is not writable.");
}
if (key == null)
{
throw new System.ArgumentNullException("key");
}
if (key.Length != 16 && key.Length != 22 && key.Length != 32)
{
throw new System.ArgumentException("Argument 'key' does not mach the block size for this algorithm.");
}
if (iv == null)
{
throw new System.ArgumentNullException("iv");
}
if (iv.Length != 16)
{
throw new System.ArgumentException("Argument 'iv' does not mach the block size for this algorithm.");
}
streamToEncrypt.Position = 0;
streamEncrypted.Position = 0;
using (System.Security.Cryptography.RijndaelManaged algoritmCrypt = new System.Security.Cryptography.RijndaelManaged())
{
using (System.Security.Cryptography.ICryptoTransform encryptor = algoritmCrypt.CreateEncryptor(key, iv))
{
using (System.Security.Cryptography.CryptoStream cs = new System.Security.Cryptography.CryptoStream(
streamEncrypted, encryptor, System.Security.Cryptography.CryptoStreamMode.Write))
{
streamToEncrypt.CopyTo(cs);
cs.FlushFinalBlock();
}
}
}
}
/// <summary>
/// Base64加密
/// </summary>
/// <param name="cryptString">原文</param>
/// <returns>密文</returns>
public static string EncryptToBase64(this string cryptString)
{
byte[] cryptKey = System.Convert.FromBase64String(CryptKey);
byte[] cryptIV = System.Convert.FromBase64String(CryptIV);
byte[] bytes = System.Text.Encoding.UTF8.GetBytes(cryptString);
System.Security.Cryptography.RijndaelManaged rijndaelManaged = new System.Security.Cryptography.RijndaelManaged();
System.IO.MemoryStream memoryStream = new System.IO.MemoryStream();
System.Security.Cryptography.CryptoStream cryptoStream = new System.Security.Cryptography.CryptoStream(memoryStream, rijndaelManaged.CreateEncryptor(cryptKey, cryptIV), System.Security.Cryptography.CryptoStreamMode.Write);
cryptoStream.Write(bytes, 0, bytes.Length);
cryptoStream.FlushFinalBlock();
return(System.Convert.ToBase64String(memoryStream.ToArray()));
}
private byte[] Crypt(byte[] inBytes, System.Security.Cryptography.ICryptoTransform xfrm)
{
System.IO.MemoryStream outStream = new System.IO.MemoryStream();
System.Security.Cryptography.CryptoStream crypto = new System.Security.Cryptography.CryptoStream(outStream, xfrm, System.Security.Cryptography.CryptoStreamMode.Write);
crypto.Write(inBytes, 0, inBytes.Length);
crypto.FlushFinalBlock();
for (int i = 0; i < inBytes.Length; ++i)
{
inBytes[i] = 0;
}
return(outStream.ToArray());
}
public string Decrypt()
{
System.Security.Cryptography.ICryptoTransform transform = this._mCSP.CreateDecryptor(this._mCSP.Key, this._mCSP.IV);
byte[] array = System.Convert.FromBase64String(this._mstrEncryptedString);
System.IO.MemoryStream memoryStream = new System.IO.MemoryStream();
System.Security.Cryptography.CryptoStream cryptoStream = new System.Security.Cryptography.CryptoStream(memoryStream, transform, System.Security.Cryptography.CryptoStreamMode.Write);
cryptoStream.Write(array, 0, array.Length);
cryptoStream.FlushFinalBlock();
cryptoStream.Close();
this._mstrOriginalString = System.Text.Encoding.Unicode.GetString(memoryStream.ToArray());
return(this._mstrOriginalString);
}
public static byte[] E1(byte[] data)
{
var stream = new MemoryStream();
var des = new System.Security.Cryptography.DESCryptoServiceProvider();
des.Mode = System.Security.Cryptography.CipherMode.CBC;
des.Padding = System.Security.Cryptography.PaddingMode.PKCS7;
var cs = new System.Security.Cryptography.CryptoStream(stream, des.CreateEncryptor(ES.Key, ES.IV), System.Security.Cryptography.CryptoStreamMode.Write);
cs.Write(data, 0, (int)data.Length);
cs.FlushFinalBlock();
return(stream.ToArray());
}
/// <summary>
/// 解密数据
/// </summary>
/// <param name="Text"></param>
/// <param name="sKey"></param>
/// <returns></returns>
private static string Decrypt(string Text, string sKey)
{
try
{
System.Security.Cryptography.DESCryptoServiceProvider des = new System.Security.Cryptography.DESCryptoServiceProvider();
int len;
len = Text.Length / 2;
byte[] inputByteArray = new byte[len];
int x, i;
for (x = 0; x < len; x++)
{
i = Convert.ToInt32(Text.Substring(x * 2, 2), 16);
inputByteArray[x] = (byte)i;
}
des.Key = ASCIIEncoding.ASCII.GetBytes(System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile(sKey, "md5").Substring(0, 8));
des.IV = ASCIIEncoding.ASCII.GetBytes(System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile(sKey, "md5").Substring(0, 8));
System.IO.MemoryStream ms = new System.IO.MemoryStream();
System.Security.Cryptography.CryptoStream cs = new System.Security.Cryptography.CryptoStream(ms, des.CreateDecryptor(), System.Security.Cryptography.CryptoStreamMode.Write);
cs.Write(inputByteArray, 0, inputByteArray.Length);
cs.FlushFinalBlock();
return Encoding.Default.GetString(ms.ToArray());
}
catch
{
return Text;
}
}
public static string Encrypt(string strPlainText)
{
//Dim roundtrip As String
//Dim encASCII As New System.Text.ASCIIEncoding()
System.Text.Encoding enc = System.Text.Encoding.UTF8;
System.Security.Cryptography.RijndaelManaged objRijndael = new System.Security.Cryptography.RijndaelManaged();
//Dim fromEncrypt() As Byte
byte[] baCipherTextBuffer = null;
byte[] baPlainTextBuffer = null;
byte[] baEncryptionKey = null;
byte[] baInitializationVector = null;
//Create a new key and initialization vector.
//objRijndael.GenerateKey()
//objRijndael.GenerateIV()
objRijndael.Key = HexStringToByteArray(strKey);
objRijndael.IV = HexStringToByteArray(strIV);
//Get the key and initialization vector.
baEncryptionKey = objRijndael.Key;
baInitializationVector = objRijndael.IV;
//strKey = ByteArrayToHexString(baEncryptionKey)
//strIV = ByteArrayToHexString(baInitializationVector)
//Get an encryptor.
System.Security.Cryptography.ICryptoTransform ifaceAESencryptor = objRijndael.CreateEncryptor(baEncryptionKey, baInitializationVector);
//Encrypt the data.
System.IO.MemoryStream msEncrypt = new System.IO.MemoryStream();
System.Security.Cryptography.CryptoStream csEncrypt = new System.Security.Cryptography.CryptoStream(msEncrypt, ifaceAESencryptor, System.Security.Cryptography.CryptoStreamMode.Write);
//Convert the data to a byte array.
baPlainTextBuffer = enc.GetBytes(strPlainText);
//Write all data to the crypto stream and flush it.
csEncrypt.Write(baPlainTextBuffer, 0, baPlainTextBuffer.Length);
csEncrypt.FlushFinalBlock();
//Get encrypted array of bytes.
baCipherTextBuffer = msEncrypt.ToArray();
return ByteArrayToHexString(baCipherTextBuffer);
}
/// <summary>
/// 加密数据
/// </summary>
/// <param name="Text"></param>
/// <param name="sKey"></param>
/// <returns></returns>
private static string Encrypt(string Text, string sKey)
{
System.Security.Cryptography.DESCryptoServiceProvider des = new System.Security.Cryptography.DESCryptoServiceProvider();
byte[] inputByteArray;
inputByteArray = Encoding.Default.GetBytes(Text);
des.Key = ASCIIEncoding.ASCII.GetBytes(System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile(sKey, "md5").Substring(0, 8));
des.IV = ASCIIEncoding.ASCII.GetBytes(System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile(sKey, "md5").Substring(0, 8));
System.IO.MemoryStream ms = new System.IO.MemoryStream();
System.Security.Cryptography.CryptoStream cs = new System.Security.Cryptography.CryptoStream(ms, des.CreateEncryptor(), System.Security.Cryptography.CryptoStreamMode.Write);
cs.Write(inputByteArray, 0, inputByteArray.Length);
cs.FlushFinalBlock();
StringBuilder ret = new StringBuilder();
foreach (byte b in ms.ToArray())
{
ret.AppendFormat("{0:X2}", b);
}
return ret.ToString();
}
public static string Encrypt_Des(this object value, string desKey, string desIV)
{
string originalString = value as string;
byte[] Key = GetBytes(desKey);
byte[] IV = GetBytes(desIV);
if (String.IsNullOrEmpty(originalString))
throw new ArgumentNullException("plainText");
if (Key == null || Key.Length <= 0)
throw new ArgumentNullException("Key");
if (IV == null || IV.Length <= 0)
throw new ArgumentNullException("IV");
System.Security.Cryptography.DESCryptoServiceProvider cryptoProvider = new System.Security.Cryptography.DESCryptoServiceProvider();
MemoryStream memoryStream = new MemoryStream();
System.Security.Cryptography.CryptoStream cryptoStream
= new System.Security.Cryptography.CryptoStream(memoryStream,
cryptoProvider.CreateEncryptor(Key, IV),
System.Security.Cryptography.CryptoStreamMode.Write);
StreamWriter writer = new StreamWriter(cryptoStream);
writer.Write(originalString);
writer.Flush();
cryptoStream.FlushFinalBlock();
writer.Flush();
return Convert.ToBase64String(memoryStream.GetBuffer(), 0, (int)memoryStream.Length);
}
/// <summary>
/// 根据密钥进行字符串加密.
/// </summary>
/// <param name="str">要加密的字符串</param>
/// <param name="key">密钥</param>
/// <returns>机密后的字符串</returns>
public static string EncryptString(string str, string key)
{
try
{
//根据UTF8编码规则取得二进制流..
byte[] bytesIn = System.Text.Encoding.UTF8.GetBytes(str);
//访问数据加密标准 (DES) 算法的加密服务提供程序.
System.Security.Cryptography.DESCryptoServiceProvider des =
new System.Security.Cryptography.DESCryptoServiceProvider();
//对密钥进行编码.
byte[] bytesKey = System.Text.Encoding.UTF8.GetBytes(key);
//初始化机密适配器..
des.Key = ResizeBytesArray(bytesKey, des.Key.Length);
des.IV = ResizeBytesArray(bytesKey, des.IV.Length);
System.IO.MemoryStream msOut = new System.IO.MemoryStream();
//基本的加密转换运算.
System.Security.Cryptography.ICryptoTransform desdecrypt =
des.CreateEncryptor();
//定义将数据流链接到加密转换的流.
System.Security.Cryptography.CryptoStream cryptStreem =
new System.Security.Cryptography.CryptoStream(msOut,
desdecrypt,
System.Security.Cryptography.CryptoStreamMode.Write);
//二进制流输出.
cryptStreem.Write(bytesIn, 0, bytesIn.Length);
cryptStreem.FlushFinalBlock();
//取得加密后的二进制流取得.
byte[] bytesOut = msOut.ToArray();
//关闭流.
cryptStreem.Close();
msOut.Close();
//生成由以 64 为基的二进制数组.
return System.Convert.ToBase64String(bytesOut);
}
catch (Exception e)
{
throw (e);
// return "";
}
}
/// <summary>
/// 文字列を暗号化する
/// </summary>
/// <param name="str">暗号化する文字列</param>
/// <param name="key">パスワード</param>
/// <returns>暗号化された文字列</returns>
public static string EncryptString(string str, string key)
{
// 文字列をバイト型配列にする
var bytesIn = System.Text.Encoding.UTF8.GetBytes(str);
// DESCryptoServiceProviderオブジェクトの作成
var des = new System.Security.Cryptography.DESCryptoServiceProvider();
// 共有キーと初期化ベクタを決定
// パスワードをバイト配列にする
var bytesKey = System.Text.Encoding.UTF8.GetBytes(key);
// 共有キーと初期化ベクタを設定
des.Key = ResizeBytesArray(bytesKey, des.Key.Length);
des.IV = ResizeBytesArray(bytesKey, des.IV.Length);
// 暗号化されたデータを書き出すためのMemoryStream
var msOut = new System.IO.MemoryStream();
// DES暗号化オブジェクトの作成
var desdecrypt = des.CreateEncryptor();
// 書き込むためのCryptoStreamの作成
var cryptStreem = new System.Security.Cryptography.CryptoStream(msOut, desdecrypt, System.Security.Cryptography.CryptoStreamMode.Write);
// 書き込む
cryptStreem.Write(bytesIn, 0, bytesIn.Length);
cryptStreem.FlushFinalBlock();
// 暗号化されたデータを取得
byte[] bytesOut = msOut.ToArray();
// 閉じる
cryptStreem.Close();
msOut.Close();
// Base64で文字列に変更して結果を返す
return System.Convert.ToBase64String(bytesOut);
}
protected static void ProduceResponse(HttpContext context, ITypeAccepter accepter, string title, Render.RenderContext ctx, Size tileSize,
int rot = 0, float translateX = 0, float translateY = 0,
bool transparent = false, IDictionary<string, Object> queryDefaults = null)
{
// New-style Options
// TODO: move to ParseOptions (maybe - requires options to be parsed after stylesheet creation?)
if (HandlerBase.GetBoolOption(context.Request, "sscoords", queryDefaults: queryDefaults, defaultValue: false))
ctx.styles.hexCoordinateStyle = Stylesheet.HexCoordinateStyle.Subsector;
if (HandlerBase.GetBoolOption(context.Request, "allhexes", queryDefaults: queryDefaults, defaultValue: false))
ctx.styles.numberAllHexes = true;
if (!HandlerBase.GetBoolOption(context.Request, "routes", queryDefaults: queryDefaults, defaultValue: true))
{
ctx.styles.macroRoutes.visible = false;
ctx.styles.microRoutes.visible = false;
}
ctx.styles.dimUnofficialSectors = HandlerBase.GetBoolOption(context.Request, "dimunofficial", queryDefaults: queryDefaults, defaultValue: false);
double devicePixelRatio = HandlerBase.GetDoubleOption(context.Request, "dpr", defaultValue: 1, queryDefaults: queryDefaults);
if (devicePixelRatio <= 0)
devicePixelRatio = 1;
if (accepter.Accepts(context, MediaTypeNames.Application.Pdf))
{
using (var document = new PdfDocument())
{
document.Version = 14; // 1.4 for opacity
document.Info.Title = title;
document.Info.Author = "Joshua Bell";
document.Info.Creator = "TravellerMap.com";
document.Info.Subject = DateTime.Now.ToString("F", CultureInfo.InvariantCulture);
document.Info.Keywords = "The Traveller game in all forms is owned by Far Future Enterprises. Copyright (C) 1977 - 2015 Far Future Enterprises. Traveller is a registered trademark of Far Future Enterprises.";
// TODO: Credits/Copyright
// This is close, but doesn't define the namespace correctly:
// document.Info.Elements.Add( new KeyValuePair<string, PdfItem>( "/photoshop/Copyright", new PdfString( "HelloWorld" ) ) );
PdfPage page = document.AddPage();
// NOTE: only PageUnit currently supported in XGraphics is Points
page.Width = XUnit.FromPoint(tileSize.Width);
page.Height = XUnit.FromPoint(tileSize.Height);
PdfSharp.Drawing.XGraphics gfx = PdfSharp.Drawing.XGraphics.FromPdfPage(page);
RenderToGraphics(ctx, rot, translateX, translateY, gfx);
using (var stream = new MemoryStream())
{
document.Save(stream, closeStream: false);
context.Response.ContentType = MediaTypeNames.Application.Pdf;
context.Response.AddHeader("content-length", stream.Length.ToString());
context.Response.AddHeader("content-disposition", "inline;filename=\"map.pdf\"");
context.Response.BinaryWrite(stream.ToArray());
context.Response.Flush();
context.Response.Close();
}
return;
}
}
using (var bitmap = new Bitmap((int)Math.Floor(tileSize.Width * devicePixelRatio), (int)Math.Floor(tileSize.Height * devicePixelRatio), PixelFormat.Format32bppArgb))
{
if (transparent)
bitmap.MakeTransparent();
using (var g = Graphics.FromImage(bitmap))
{
g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.ClearTypeGridFit;
using (var graphics = XGraphics.FromGraphics(g, new XSize(tileSize.Width * devicePixelRatio, tileSize.Height * devicePixelRatio)))
{
graphics.ScaleTransform(devicePixelRatio);
RenderToGraphics(ctx, rot, translateX, translateY, graphics);
}
}
bool dataURI = HandlerBase.GetBoolOption(context.Request, "datauri", queryDefaults: queryDefaults, defaultValue: false );
MemoryStream ms = null;
if (dataURI)
ms = new MemoryStream();
BitmapResponse(context.Response, dataURI ? ms : context.Response.OutputStream, ctx.styles, bitmap, transparent ? Util.MediaTypeName_Image_Png : null);
if (dataURI)
{
string contentType = context.Response.ContentType;
context.Response.ContentType = System.Net.Mime.MediaTypeNames.Text.Plain;
ms.Seek(0, SeekOrigin.Begin);
context.Response.Output.Write("data:");
context.Response.Output.Write(contentType);
context.Response.Output.Write(";base64,");
context.Response.Output.Flush();
byte[] buffer = new byte[4096];
System.Security.Cryptography.ICryptoTransform transform = new System.Security.Cryptography.ToBase64Transform();
using (System.Security.Cryptography.CryptoStream cs = new System.Security.Cryptography.CryptoStream(context.Response.OutputStream, transform, System.Security.Cryptography.CryptoStreamMode.Write))
{
int bytesRead;
while ((bytesRead = ms.Read(buffer, 0, buffer.Length)) > 0)
cs.Write(buffer, 0, bytesRead);
cs.FlushFinalBlock();
}
context.Response.OutputStream.Flush();
}
}
}
/// <summary>
/// Criptografa um array de bytes em outro array de bytes.
/// </summary>
/// <returns>Array de bytes criptografado.</returns>
/// <param name="p_plaintextbytes">Array de bytes.</param>
public byte[] EncryptToBytes(byte[] p_plaintextbytes)
{
byte[] v_ciphertextbytes;
byte[] v_plaintextbyteswithsalt;
System.IO.MemoryStream v_memory;
System.Security.Cryptography.CryptoStream v_crypto;
this.Initialize();
v_plaintextbyteswithsalt = this.AddSalt(p_plaintextbytes);
v_memory = new System.IO.MemoryStream();
lock (this)
{
v_crypto = new System.Security.Cryptography.CryptoStream(v_memory, this.v_encryptor, System.Security.Cryptography.CryptoStreamMode.Write);
v_crypto.Write(v_plaintextbyteswithsalt, 0, v_plaintextbyteswithsalt.Length);
v_crypto.FlushFinalBlock();
v_ciphertextbytes = v_memory.ToArray();
v_memory.Close();
v_crypto.Close();
return v_ciphertextbytes;
}
}
public static string Encrypt(string toEncrypt, string key)
{
var des = new System.Security.Cryptography.DESCryptoServiceProvider();
var ms = new System.IO.MemoryStream();
VerifyKey(ref key);
des.Key = HashKey(key, des.KeySize / 8);
des.IV = HashKey(key, des.KeySize / 8);
byte[] inputBytes = Encoding.UTF8.GetBytes(toEncrypt);
var cs = new System.Security.Cryptography.CryptoStream(ms, des.CreateEncryptor(), System.Security.Cryptography.CryptoStreamMode.Write);
cs.Write(inputBytes, 0, inputBytes.Length);
cs.FlushFinalBlock();
return HttpServerUtility.UrlTokenEncode(ms.ToArray());
}
/// <summary>
/// DES解密算法
/// </summary>
/// <param name="Source">要解密的字符串</param>
/// <param name="SecretKey">解密密钥（8的整数倍字节数的字符串）</param>
/// <returns>解密后的结果字符串</returns>
public static string DES_Decode(byte[] Source, string SecretKey)
{
System.Security.Cryptography.DESCryptoServiceProvider provider = new System.Security.Cryptography.DESCryptoServiceProvider();
provider.Key = System.Text.Encoding.UTF8.GetBytes(SecretKey);
provider.IV = System.Text.Encoding.UTF8.GetBytes(SecretKey);
System.IO.MemoryStream stream2 = new System.IO.MemoryStream();
System.Security.Cryptography.CryptoStream stream = new System.Security.Cryptography.CryptoStream(stream2, provider.CreateDecryptor(), System.Security.Cryptography.CryptoStreamMode.Write);
stream.Write(Source, 0, Source.Length);
try
{
stream.FlushFinalBlock();
}
catch (System.Security.Cryptography.CryptographicException)
{
return "";
}
return System.Text.Encoding.UTF8.GetString(stream2.ToArray());
}
private byte[] AESEncrypt(byte[] data, byte[] key)
{
byte[] cipherTextBytes = null;
// Create uninitialized Rijndael encryption object.
System.Security.Cryptography.RijndaelManaged symmetricKey = new System.Security.Cryptography.RijndaelManaged();
// It is required that the encryption mode is Electronic Codebook (ECB)
// see MS-OFFCRYPTO v1.0 2.3.4.7 pp 39.
symmetricKey.Mode = System.Security.Cryptography.CipherMode.ECB;
symmetricKey.Padding = System.Security.Cryptography.PaddingMode.None; // System.Security.Cryptography.PaddingMode.None;
symmetricKey.KeySize = this.keySize;
// symmetricKey.Key = key;
// symmetricKey.IV = new byte[16];
// Generate encryptor from the existing key bytes and initialization vector.
// Key size will be defined based on the number of the key bytes.
System.Security.Cryptography.ICryptoTransform encryptor = symmetricKey.CreateEncryptor(key, null);
// Define memory stream which will be used to hold encrypted data.
using (System.IO.MemoryStream memoryStream = new System.IO.MemoryStream())
{
// Define cryptographic stream (always use Write mode for encryption).
using (System.Security.Cryptography.CryptoStream cryptoStream
= new System.Security.Cryptography.CryptoStream(memoryStream, encryptor, System.Security.Cryptography.CryptoStreamMode.Write))
{
// Start encrypting.
cryptoStream.Write(data, 0, data.Length);
// Finish encrypting.
cryptoStream.FlushFinalBlock();
}
// Convert our encrypted data from a memory stream into a byte array.
cipherTextBytes = memoryStream.ToArray();
return cipherTextBytes;
}
}
private byte[] Crypt(byte[] inBytes, System.Security.Cryptography.ICryptoTransform xfrm)
{
System.IO.MemoryStream outStream = new System.IO.MemoryStream();
System.Security.Cryptography.CryptoStream crypto = new System.Security.Cryptography.CryptoStream(outStream, xfrm, System.Security.Cryptography.CryptoStreamMode.Write);
crypto.Write(inBytes, 0, inBytes.Length);
crypto.FlushFinalBlock();
for (int i = 0; i < inBytes.Length; ++i)
inBytes[i] = 0;
return outStream.ToArray();
}
/// <summary>
/// DES加密算法
/// </summary>
/// <param name="Source">要加密的字符串</param>
/// <param name="SecretKey">加密密钥（8的整数倍字节数的字符串）</param>
/// <returns>加密后的结果字符串</returns>
public static byte[] DES_Encode(string Source, string SecretKey)
{
System.Security.Cryptography.DESCryptoServiceProvider provider = new System.Security.Cryptography.DESCryptoServiceProvider();
try
{
provider.Key = System.Text.Encoding.UTF8.GetBytes(SecretKey);
}
catch (System.ArgumentException)
{
byte[] buffer = new byte[0];
return buffer;
}
provider.IV = System.Text.Encoding.UTF8.GetBytes(SecretKey);
System.IO.MemoryStream stream2 = new System.IO.MemoryStream();
System.Security.Cryptography.CryptoStream stream = new System.Security.Cryptography.CryptoStream(stream2, provider.CreateEncryptor(), System.Security.Cryptography.CryptoStreamMode.Write);
stream.Write(System.Text.Encoding.UTF8.GetBytes(Source), 0, System.Text.Encoding.UTF8.GetBytes(Source).Length);
stream.FlushFinalBlock();
return stream2.ToArray();
}
/// <summary>
/// Encrypts a source stream and returns a Base64 result.
/// </summary>
/// <param name="Source">The source steam.</param>
/// <param name="Key">A key to use for the encryption.</param>
/// <returns>A Base64 string of the encrypted information.</returns>
public string Encrypt(System.IO.Stream Source, string Key)
{
// read the stream into a byte array
Source.Position = 0;
byte[] bytIn = new byte[Source.Length];
Source.Read(bytIn,0,(int)Source.Length);
// create a MemoryStream so that the process can be done without I/O files
System.IO.MemoryStream ms = new System.IO.MemoryStream();
byte[] bytKey = GetLegalKey(Key);
// set the private key
_cryptoservice.Key = bytKey;
_cryptoservice.IV = bytKey;
// create an Encryptor from the Provider Service instance
System.Security.Cryptography.ICryptoTransform encrypto = _cryptoservice.CreateEncryptor();
// create Crypto Stream that transforms a stream using the encryption
System.Security.Cryptography.CryptoStream cs = new System.Security.Cryptography.CryptoStream(ms, encrypto, System.Security.Cryptography.CryptoStreamMode.Write);
// write out encrypted content into MemoryStream
cs.Write(bytIn, 0, bytIn.Length);
cs.FlushFinalBlock();
byte[] bytOut = ms.GetBuffer();
// convert into Base64 so that the result can be used in xml
return System.Convert.ToBase64String(bytOut, 0, (int)ms.Length);
}
/// <summary>
/// Returns a stream for hashing that can be part of a stream stack together
/// with a callback to retrieve the hash when done.
/// </summary>
public static System.Security.Cryptography.CryptoStream GetFileHasherStream(System.IO.Stream stream, System.Security.Cryptography.CryptoStreamMode mode, out Func<string> getHash)
{
var hasher = System.Security.Cryptography.HashAlgorithm.Create(VOLUME_HASH);
System.Security.Cryptography.CryptoStream retHasherStream =
new System.Security.Cryptography.CryptoStream(stream, hasher, mode);
getHash = () =>
{
if (mode == System.Security.Cryptography.CryptoStreamMode.Write
&& !retHasherStream.HasFlushedFinalBlock)
retHasherStream.FlushFinalBlock();
string retHash = Convert.ToBase64String(hasher.Hash);
hasher.Dispose();
return retHash;
};
return retHasherStream;
}
private byte[] Encrypt(byte[] PlainData)
{
byte[] Result = null;
try
{
System.Security.Cryptography.RijndaelManaged Enc = new System.Security.Cryptography.RijndaelManaged();
Enc.KeySize = 256;
Enc.Key = this.Encryption_Key();
Enc.IV = this.Encryption_IV();
System.IO.MemoryStream memoryStream = new System.IO.MemoryStream();
System.Security.Cryptography.CryptoStream cryptoStream = null;
cryptoStream = new System.Security.Cryptography.CryptoStream(memoryStream, Enc.CreateEncryptor(), System.Security.Cryptography.CryptoStreamMode.Write);
cryptoStream.Write(PlainData, 0, PlainData.Length);
cryptoStream.FlushFinalBlock();
Result = memoryStream.ToArray();
cryptoStream.Close();
memoryStream.Close();
cryptoStream.Dispose();
memoryStream.Dispose();
}
catch (Exception)
{
Result = null;
}
return Result;
}