private static string EncryptForObscurity(string dataToEncrypt, int randomization)
{
if (string.IsNullOrWhiteSpace(dataToEncrypt))
{
return(dataToEncrypt);
}
byte[] key = RandomStringGenerator.GetBytesFromString(encryptKeyArray[randomization]);
byte[] iv = RandomStringGenerator.GetBytesFromString(initVectorArray[randomization]);
byte[] inputBytes = RandomStringGenerator.GetBytesFromString(dataToEncrypt);
var des3Encrypt = CreateEncryptor();
MemoryStream mstream = new MemoryStream();
CryptoStream cstream = new CryptoStream(mstream, des3Encrypt, CryptoStreamMode.Write);
cstream.Write(inputBytes, 0, inputBytes.Length);
cstream.FlushFinalBlock();
byte[] encryptedDataBytes = mstream.ToArray();
mstream.Close();
cstream.Close();
return(randomization.ToString() + separator + RandomStringGenerator.ToEncodedString(encryptedDataBytes));
}
public static string CreateRandomSalt(int saltSize = -1)
{
if (saltSize <= -1)
{
saltSize = SaltSize;
}
byte[] randomBytes = new byte[saltSize];
RNGCryptoServiceProvider rng = new RNGCryptoServiceProvider();
rng.GetBytes(randomBytes);
rng.Dispose();
string salt = RandomStringGenerator.ToEncodedString(randomBytes);
return(salt);
}
public static string ComputeHash(string password, string salt, SaltMethod saltMethod = SaltMethod.DoubleSalt, HashSize hashSize = HashSize.S160)
{
if (string.IsNullOrWhiteSpace(password))
{
throw new ArgumentNullException("password");
}
if (string.IsNullOrWhiteSpace(salt))
{
throw new ArgumentNullException("salt");
}
string saltedPassword = GetSaltedPassword(password, salt, saltMethod);
byte[] bytesOfString = RandomStringGenerator.GetBytesFromString(saltedPassword);
byte[] hash = ComputeHash(bytesOfString, hashSize);
return(RandomStringGenerator.ToEncodedString(hash));
}
public static string Encrypt(string dataToEncrypt)
{
if (string.IsNullOrWhiteSpace(dataToEncrypt))
{
return(dataToEncrypt);
}
byte[] inputBytes = RandomStringGenerator.GetBytesFromString(dataToEncrypt);
var des3Encrypt = CreateEncryptor();
MemoryStream mstream = new MemoryStream();
CryptoStream cstream = new CryptoStream(mstream, des3Encrypt, CryptoStreamMode.Write);
cstream.Write(inputBytes, 0, inputBytes.Length);
cstream.FlushFinalBlock();
byte[] encryptedDataBytes = mstream.ToArray();
mstream.Close();
cstream.Close();
return(RandomStringGenerator.ToEncodedString(encryptedDataBytes));
}