private static byte[] RunCryptoService(this byte[] file, EncryptionKeyContainer sharedSecret, TransformCreator createCryptoTransform)
{
using (var hashProvider = new MD5CryptoServiceProvider())
{
using (var tdesAlgorithm = hashProvider.CreateKey(sharedSecret).CreateAlgorithm())
{
return TransformFinalBlock(file, createCryptoTransform, tdesAlgorithm);
}
}
}
private static byte[] RunCryptoService(this byte[] file, EncryptionKeyContainer sharedSecret, TransformCreator createCryptoTransform)
{
using (var hashProvider = new MD5CryptoServiceProvider())
{
using (var tdesAlgorithm = hashProvider.CreateKey(sharedSecret).CreateAlgorithm())
{
return(TransformFinalBlock(file, createCryptoTransform, tdesAlgorithm));
}
}
}
public BasicCredentials(string username, EncryptionKeyContainer password)
{
Username = username;
Password = password;
if (username.Contains("\\"))
{
var parts = username.Split('\\');
DomainName = parts[0];
DomainUserName = parts[1];
}
}
public BasicCredentials(string username, EncryptionKeyContainer password)
{
Username = username;
Password = password;
if (username.Contains("\\"))
{
var parts = username.Split('\\');
DomainName = parts[0];
DomainUserName = parts[1];
}
}
private static byte[] CreateKey(this HashAlgorithm hashProvider, EncryptionKeyContainer sharedSecret)
{
return(hashProvider.ComputeHash(GetFileSecret(sharedSecret).GetByteArray()));
}
public static byte[] Encrypt(this byte[] file, EncryptionKeyContainer sharedSecret)
{
return(file.RunCryptoService(sharedSecret, CreateEncryptTransform));
}
public static string Encrypt(this string message, EncryptionKeyContainer sharedSecret)
{
return(Convert.ToBase64String(message.GetByteArray(EncodingType.Unicode).Encrypt(sharedSecret)));
}
public static string Decrypt(this string message, EncryptionKeyContainer sharedSecret)
{
return(Convert.FromBase64String(message).Decrypt(sharedSecret).GetStringFromArray(EncodingType.Unicode));
}
private static string GetFileSecret(EncryptionKeyContainer sharedSecret)
{
return(string.Format("{0}_{1}", sharedSecret.GetSecret(), Salt));
}
private static string GetFileSecret(EncryptionKeyContainer sharedSecret)
{
return string.Format("{0}_{1}", sharedSecret.GetSecret(), Salt);
}
private static byte[] CreateKey(this HashAlgorithm hashProvider, EncryptionKeyContainer sharedSecret)
{
return hashProvider.ComputeHash(GetFileSecret(sharedSecret).GetByteArray());
}
public static byte[] Encrypt(this byte[] file, EncryptionKeyContainer sharedSecret)
{
return file.RunCryptoService(sharedSecret, CreateEncryptTransform);
}
public static string Encrypt(this string message, EncryptionKeyContainer sharedSecret)
{
return Convert.ToBase64String(message.GetByteArray(EncodingType.Unicode).Encrypt(sharedSecret));
}
public static string Decrypt(this string message, EncryptionKeyContainer sharedSecret)
{
return Convert.FromBase64String(message).Decrypt(sharedSecret).GetStringFromArray(EncodingType.Unicode);
}
