本文整理汇总了C#中System.Security.Cryptography.CryptoStream.WriteByte方法的典型用法代码示例。如果您正苦于以下问题：C# CryptoStream.WriteByte方法的具体用法？C# CryptoStream.WriteByte怎么用？C# CryptoStream.WriteByte使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Security.Cryptography.CryptoStream的用法示例。
在下文中一共展示了CryptoStream.WriteByte方法的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: DecryptFile
public static void DecryptFile(string strKey, string pathCypheredTextFile, string pathPlainTextFile)
{
// Place la clé de déchiffrement dans un tableau d'octets
byte[] key = GenerateAlgotihmInputs(strKey);
// Place le vecteur d'initialisation dans un tableau d'octets
byte[] iv = GenerateAlgotihmInputs(strKey);
// Filestream of the new file that will be decrypted.
Directory.CreateDirectory(Directory.GetParent(pathPlainTextFile).FullName);
FileStream fsCrypt = new FileStream(pathPlainTextFile, FileMode.Create);
RijndaelManaged rijndael = new RijndaelManaged();
rijndael.Mode = CipherMode.CBC;
rijndael.Key = key;
rijndael.IV = iv;
ICryptoTransform aesDecryptor = rijndael.CreateDecryptor();
CryptoStream cs = new CryptoStream(fsCrypt, aesDecryptor, CryptoStreamMode.Write);
// FileStream of the file that is currently encrypted.
FileStream fsIn = new FileStream(pathCypheredTextFile, FileMode.OpenOrCreate);
int data;
while ((data = fsIn.ReadByte()) != -1)
cs.WriteByte((byte)data);
cs.Close();
fsIn.Close();
fsCrypt.Close();
}示例2: EncryptFile
public void EncryptFile(string inputFile, string outputFile, string securityKey)
{
try
{
using (RijndaelManaged aes = new RijndaelManaged())
{
byte[] key = ASCIIEncoding.UTF8.GetBytes(securityKey);
byte[] IV = ASCIIEncoding.UTF8.GetBytes("1234567890qwerty");
//aes.Padding = PaddingMode.None;
using (FileStream fsCrypt = new FileStream(outputFile, FileMode.Create))
{
Console.WriteLine("File created.");
using (ICryptoTransform encryptor = aes.CreateEncryptor(key, IV))
{
Console.WriteLine("Encrypt mode initiated.");
using (CryptoStream cs = new CryptoStream(fsCrypt, encryptor, CryptoStreamMode.Write))
{
Console.WriteLine("Encrypt stream initiated.");
using (FileStream fsIn = new FileStream(inputFile, FileMode.Open, FileAccess.Read))
{
int data;
while ((data = fsIn.ReadByte()) != -1)
{
cs.WriteByte((byte)data);
}
Console.WriteLine("File encrypted.");
}
}
}
}
}
}
catch (Exception ex)
{
Console.WriteLine("This exception was caught: " + ex.ToString());
}
}示例3: encryption
public void encryption()
{
byte[] file = new byte[FileUpload1.PostedFile.ContentLength];
FileUpload1.PostedFile.InputStream.Read(file, 0, FileUpload1.PostedFile.ContentLength);
string fileName = txtfilename.Text;
byte[] Key = Encoding.UTF8.GetBytes(LTRPRIKEY.Text);
ASCIIEncoding.ASCII.GetString(Key);
try
{
string outputFile = Path.Combine(Server.MapPath("~/uploadfiles/advance"), fileName);
FileStream fs = new FileStream(outputFile, FileMode.Create);
RijndaelManaged rmCryp = new RijndaelManaged();
CryptoStream cs = new CryptoStream(fs, rmCryp.CreateEncryptor(Key, Key), CryptoStreamMode.Write);
foreach (var data in file)
{
cs.WriteByte((byte)data);
}
cs.Close();
fs.Close();
insert();
}
catch (Exception ex)
{
ScriptManager.RegisterStartupScript(this, this.GetType(), "popup",
"alert(" + ex + ");", true);
}
}示例4: EncryptFile
public static void EncryptFile(string inputFile, string outputFile, string skey)
{
try
{
using (Aes aes = new AesManaged())
{
var key = new Rfc2898DeriveBytes(skey, salt);
aes.Key = key.GetBytes(aes.KeySize / 8);
aes.IV = key.GetBytes(aes.BlockSize / 8);
using (FileStream fsCrypt = new FileStream(outputFile, FileMode.Create))
{
using (ICryptoTransform encryptor = aes.CreateEncryptor())
{
using (CryptoStream cs = new CryptoStream(fsCrypt, encryptor, CryptoStreamMode.Write))
{
using (FileStream fsIn = new FileStream(inputFile, FileMode.Open))
{
int data;
while ((data = fsIn.ReadByte()) != -1)
{
cs.WriteByte((byte)data);
}
}
}
}
}
}
}
catch { throw; }
}示例5: Encrypt
public static void Encrypt(string srcPath, string destPath, int salt, string encryptionKey)
{
DeriveBytes rgb = new Rfc2898DeriveBytes(encryptionKey, Encoding.Unicode.GetBytes(salt.ToString()));
using (SymmetricAlgorithm aes = new RijndaelManaged())
{
aes.BlockSize = 128;
aes.KeySize = 256;
aes.Key = rgb.GetBytes(aes.KeySize >> 3);
aes.IV = rgb.GetBytes(aes.BlockSize >> 3);
aes.Mode = CipherMode.CBC;
string key = "";
string iv = "";
using (FileStream fsCrypt = new FileStream(destPath, FileMode.Create))
{
using (ICryptoTransform encryptor = aes.CreateEncryptor())
{
using (CryptoStream cs = new CryptoStream(fsCrypt, encryptor, CryptoStreamMode.Write))
{
using (FileStream fsIn = new FileStream(srcPath, FileMode.Open))
{
int data;
while ((data = fsIn.ReadByte()) != -1)
{
cs.WriteByte((byte)data);
}
}
}
}
}
}
}示例6: EncryptFile
public static void EncryptFile(string inputFile, string outputFile, string password)
{
try
{
//string password = @"myKey123"; // Your Key Here
UnicodeEncoding UE = new UnicodeEncoding();
byte[] key = UE.GetBytes(password);
string cryptFile = outputFile;
FileStream fsCrypt = new FileStream(cryptFile, FileMode.Create);
RijndaelManaged RMCrypto = new RijndaelManaged();
CryptoStream cs = new CryptoStream(fsCrypt,
RMCrypto.CreateEncryptor(key, key),
CryptoStreamMode.Write);
FileStream fsIn = new FileStream(inputFile, FileMode.Open);
int data;
while ((data = fsIn.ReadByte()) != -1)
cs.WriteByte((byte) data);
fsIn.Close();
cs.Close();
fsCrypt.Close();
}
catch (Exception ex)
{
Console.WriteLine("Encryption failed! {0}", ex);
}
}示例7: EncryptFile
internal static void EncryptFile(string inputFile, string outputFile, string password)
{
try {
var UE = new UnicodeEncoding();
byte[] key = UE.GetBytes(password);
string cryptFile = outputFile;
var fsCrypt = new FileStream(cryptFile, FileMode.Create);
var AesMngd = new AesManaged();
var cs = new CryptoStream(fsCrypt,
AesMngd.CreateEncryptor(key, key),
CryptoStreamMode.Write);
using (var fsIn = new FileStream(inputFile, FileMode.Open)) {
int data;
while ((data = fsIn.ReadByte()) != -1)
cs.WriteByte((byte)data);
}
cs.Close();
fsCrypt.Close();
} catch {
Shared.MSGBOX(Shared.GetRes("#D.02#","Error"),"Encryption failed!",System.Windows.Application.Current.MainWindow);
}
}示例8: DecryptStringWith3DES
public static string DecryptStringWith3DES(string data, string key, string iv)
{
UnicodeEncoding unicode = new UnicodeEncoding();
Byte[] Bytes = Convert.FromBase64String(data);
MemoryStream mem = new MemoryStream(100);
TripleDESCryptoServiceProvider tdes = new TripleDESCryptoServiceProvider();
Byte[] KeyBytes = unicode.GetBytes(key);
Byte[] tmpBytes = new Byte[16];
Array.Copy(KeyBytes, tmpBytes, KeyBytes.Length < 16 ? KeyBytes.Length : 16);
KeyBytes = tmpBytes;
if(tdes.ValidKeySize(KeyBytes.Length*8))
System.Diagnostics.Debug.WriteLine("Key size valid");
if(TripleDESCryptoServiceProvider.IsWeakKey(KeyBytes))
System.Diagnostics.Debug.WriteLine("Key weak");
CryptoStream CrStream = new CryptoStream(mem, tdes.CreateDecryptor(KeyBytes, unicode.GetBytes(iv)), CryptoStreamMode.Write);
for(int i = 0; i < Bytes.Length; i++)
CrStream.WriteByte(Bytes[i]);
CrStream.FlushFinalBlock();
string result = unicode.GetString(mem.GetBuffer(), 0, (int)mem.Length);
CrStream.Dispose();
return result;
}示例9: Encrypt
public static string Encrypt(this ICryptoTransform crypto, SecureString toEncrypt)
{
using (crypto)
using (MemoryStream memStream = new MemoryStream())
using (CryptoStream crypStream = new CryptoStream(memStream, crypto, CryptoStreamMode.Write))
{
IntPtr bstr = Marshal.SecureStringToBSTR(toEncrypt);
try
{
byte b;
for (int index = 0; index < toEncrypt.Length * 2; index = index + 2)
{
b = Marshal.ReadByte(bstr, index);
crypStream.WriteByte(b);
}
b = 0;
crypStream.FlushFinalBlock();
}
finally
{
Marshal.ZeroFreeBSTR(bstr);
}
return Convert.ToBase64String(memStream.ToArray());
}
}示例10: EncryptFile
private static void EncryptFile(string inputFile, string outputFile, string password)
{
try
{
UnicodeEncoding UE = new UnicodeEncoding();
byte[] key = UE.GetBytes(password);
string cryptFile = outputFile;
FileStream fsCrypt = new FileStream(cryptFile, FileMode.Create);
RijndaelManaged RMCrypto = new RijndaelManaged();
CryptoStream cs = new CryptoStream(fsCrypt,
RMCrypto.CreateEncryptor(key, key),
CryptoStreamMode.Write);
FileStream fsIn = new FileStream(inputFile, FileMode.Open);
int data;
while ((data = fsIn.ReadByte()) != -1)
cs.WriteByte((byte)data);
fsIn.Close();
cs.Close();
fsCrypt.Close();
}
catch (Exception e)
{
throw new Exception("Encryption failed! Error", e);
}
}示例11: EncryptFile
public bool EncryptFile(byte[] aPublicKey, byte[] aIV, string aFileName)
{
try
{
int num;
string path = aFileName;
FileStream stream = new FileStream(aFileName + ".enc", FileMode.Create);
RijndaelManaged managed = new RijndaelManaged();
CryptoStream stream2 = new CryptoStream(stream, managed.CreateEncryptor(aPublicKey, aIV), CryptoStreamMode.Write);
FileStream stream3 = new FileStream(path, FileMode.Open);
int bytecount = 0;
while ((num = stream3.ReadByte()) != -1)
{
bytecount += num;
stream2.WriteByte((byte) num);
if (this.OnEncryptAmount != null)
{
this.OnEncryptAmount(bytecount);
}
}
stream3.Close();
stream2.Close();
stream.Close();
return true;
}
catch
{
return false;
}
}示例12: EncryptToFile
///<summary>
/// Encrypts a file using Rijndael algorithm.
///</summary>
///<param name="inputFile"></param>
///<param name="outputFile"></param>
public static void EncryptToFile(this string data, string outputFile, string password)
{
try
{
byte[] key = Encoding.UTF8.GetBytes(password);
string cryptFile = outputFile;
using (FileStream fsCrypt = new FileStream(cryptFile, FileMode.Create))
{
using (RijndaelManaged RMCrypto = new RijndaelManaged())
{
CryptoStream cs = new CryptoStream(fsCrypt, RMCrypto.CreateEncryptor(key, key), CryptoStreamMode.Write);
using (MemoryStream ms = new MemoryStream(Encoding.UTF8.GetBytes(data)))
{
int datavar;
while ((datavar = ms.ReadByte()) != -1)
cs.WriteByte((byte)datavar);
}
}
}
}
catch
{
}
}示例13: EncryptFile
public static void EncryptFile(string inputFile, string outputFile, string skey)
{
RijndaelManaged aes = new RijndaelManaged();
try
{
byte[] key = ASCIIEncoding.UTF8.GetBytes(skey);
using (FileStream fsCrypt = new FileStream(outputFile, FileMode.Create))
{
using (CryptoStream cs = new CryptoStream(fsCrypt, aes.CreateEncryptor(key, key), CryptoStreamMode.Write))
{
using (FileStream fsIn = new FileStream(inputFile, FileMode.Open))
{
int data;
while ((data = fsIn.ReadByte()) != -1)
{
cs.WriteByte((byte)data);
}
aes.Clear();
}
}
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
aes.Clear();
}
}示例14: WriteFile
public static void WriteFile(string FilePath, string Data)
{
FileStream fout = new FileStream(FilePath, FileMode.OpenOrCreate, FileAccess.Write);
TripleDES tdes = new TripleDESCryptoServiceProvider();
CryptoStream cs = new CryptoStream(fout, tdes.CreateEncryptor(key, iv), CryptoStreamMode.Write);
byte[] d = Encoding.ASCII.GetBytes(Data);
cs.Write(d, 0, d.Length);
cs.WriteByte(0);
cs.Close();
fout.Close();
}示例15: Encrypt
private static void Encrypt(string inputFile, string outputFile)
{
byte[] bytes = new UnicodeEncoding().GetBytes(KEY);
RijndaelManaged rijndaelManaged = new RijndaelManaged();
using(FileStream outputStream = new FileStream(outputFile, FileMode.Create))
using(CryptoStream cryptoStream = new CryptoStream((Stream)outputStream, rijndaelManaged.CreateEncryptor(bytes, bytes), CryptoStreamMode.Write))
using(FileStream inputStream = new FileStream(inputFile, FileMode.Open))
{
int num;
while ((num = inputStream.ReadByte()) != -1)
{
cryptoStream.WriteByte((byte)num);
}
}
}