使用此功能來加密&解密。
string passPhrase = "Pasword"; // can be any string
string saltValue = "sALtValue"; // can be any string
string hashAlgorithm = "SHA1"; // can be "MD5"
int passwordIterations = 7; // can be any number
string initVector = "~1B2c3D4e5F6g7H8"; // must be 16 bytes
int keySize = 256; // can be 192 or 128
private string Encrypt(string data)
{
byte[] bytes = Encoding.ASCII.GetBytes(this.initVector);
byte[] rgbSalt = Encoding.ASCII.GetBytes(this.saltValue);
byte[] buffer = Encoding.UTF8.GetBytes(data);
byte[] rgbKey = new PasswordDeriveBytes(this.passPhrase, rgbSalt, this.hashAlgorithm, this.passwordIterations).GetBytes(this.keySize/8);
RijndaelManaged managed = new RijndaelManaged();
managed.Mode = CipherMode.CBC;
ICryptoTransform transform = managed.CreateEncryptor(rgbKey, bytes);
MemoryStream stream = new MemoryStream();
CryptoStream stream2 = new CryptoStream(stream, transform, CryptoStreamMode.Write);
stream2.Write(buffer, 0, buffer.Length);
stream2.FlushFinalBlock();
byte[] inArray = stream.ToArray();
stream.Close();
stream2.Close();
return Convert.ToBase64String(inArray);
}
private string Decrypt(string data)
{
byte[] bytes = Encoding.ASCII.GetBytes(this.initVector);
byte[] rgbSalt = Encoding.ASCII.GetBytes(this.saltValue);
byte[] buffer = Convert.FromBase64String(data);
byte[] rgbKey = new PasswordDeriveBytes(this.passPhrase, rgbSalt, this.hashAlgorithm, this.passwordIterations).GetBytes(this.keySize/8);
RijndaelManaged managed = new RijndaelManaged();
managed.Mode = CipherMode.CBC;
ICryptoTransform transform = managed.CreateDecryptor(rgbKey, bytes);
MemoryStream stream = new MemoryStream(buffer);
CryptoStream stream2 = new CryptoStream(stream, transform, CryptoStreamMode.Read);
byte[] buffer5 = new byte[buffer.Length];
int count = stream2.Read(buffer5, 0, buffer5.Length);
stream.Close();
stream2.Close();
return Encoding.UTF8.GetString(buffer5, 0, count);
}
如果你希望字符串不要輕易可讀的,你真的應該考慮適當的加密。 –
我建議你把你的字符串轉換成byte []和xor它是有一些值的元素。 – enkryptor
如果你不想讓它輕易閱讀,爲什麼不加密呢? –