如何创建加密的密码字段

您可以尝试以下方法进行加密和解密：

加密：

public string Encrypt(string plainText)
{
   if (plainText == null) throw new ArgumentNullException("plainText");

   //encrypt data
   var data = Encoding.Unicode.GetBytes(plainText);
   byte[] encrypted = ProtectedData.Protect(data, null, Scope);

   //return as base64 string
   return Convert.ToBase64String(encrypted);
}

解密方法：

public string Decrypt(string cipher)
{
   if (cipher == null) throw new ArgumentNullException("cipher");

   //parse base64 string
   byte[] data = Convert.FromBase64String(cipher);
   //decrypt data
   byte[] decrypted = ProtectedData.Unprotect(data, null, Scope);
   return Encoding.Unicode.GetString(decrypted);
}