Question

我有一个代码，如果我将输入数据传递为＆＃34; sail＆＃34;我的代码将生成一个屏蔽输出，例如＆＃34; aisl＆＃34;或者＆＃34; isal＆＃34;。输出将是混乱的输入格式。我想要一个输出，不应该在输入中生成具有相同完全字母的输出。这是我当前的代码，请帮助我这个

        string InputData = "123456";
        string MaskedData = InputData;

        if (MaskedData.Length > 0)
        {
            // The technique used to mask the data is to replace numbers with random numbers and letters with letters
            //char[] chars = new char[InputData.Length];
            char[] chars = new char[InputData.Length];

            Random rand = new Random(DateTime.Now.Millisecond);

            int index = 0;

            while (InputData.Length > 0)
            {
                // Get a random number between 0 and the length of the word.
                int next = rand.Next(0, InputData.Length - 1);

                // Take the character from the random position and add to our char array.
                //chars[index] = InputData[next];
                chars[index] = InputData[next];

                // Remove the character from the word.
                InputData = InputData.Substring(0, next) + InputData.Substring(next + 1);

                ++index;
            }

            MaskedData = new String(chars);
}

Answer 1

In this page in dotnetperls.com有一种算法随机化一串字符串。通过一些更改，您可以使用它来随机化字符串，使用字符串也是字符数组的事实。你有：

static class RandomCharArrayTool
{
    static Random _random = new Random();

    public static string RandomizeChars(string theString)
    {
        var arr = theString.ToCharArray();
        List<KeyValuePair<int, char>> list = new List<KeyValuePair<int, char>>();
        // Add all strings from array
        // Add new random int each time
        foreach (char s in arr)
        {
            list.Add(new KeyValuePair<int, char>(_random.Next(), s));
        }
        // Sort the list by the random number
        var sorted = from item in list
             orderby item.Key
             select item;
        // Allocate new string array
        char[] result = new char[arr.Length];
        // Copy values to array
        int index = 0;
        foreach (KeyValuePair<int, char> pair in sorted)
        {
            result[index] = pair.Value;
            index++;
        }
        // Return string generated from copied array
        return new string(result);
    }
}

你这样使用它：

RandomCharArrayTool.RandomizeChars("sail");

Answer 2

请尝试使用以下代码段。

Mehtod 1：

string word = "123456";
string temp = word;
string result = string.Empty;
Random rand = new Random();

for (int a = 0; a < word.Length; a++)
{
    //multiplied by a number to get a better result, it was less likely for the last index to be picked
    int temp1 = rand.Next(0, (temp.Length - 1) * 3);

    result += temp[temp1 % temp.Length];
    temp = temp.Remove(temp1 % temp.Length, 1);

}

string str = result;

<强>方法2：

var rnd = new Random();
string InputData = "123456";
string MaskedData = new string(InputData.OrderBy(r => rnd.Next()).ToArray());

Answer 3

您有几种不同的方法，但最简单的方法可能是实施SecureString或Hash。其中一个可以很容易地加密您的数据。根据这一概念，mask将隐藏所述内容。

// SecureString
var secure = new SecureString();
foreach(var character in textbox.Text.ToCharArray())
     secure.AppendChar(character);

将string放入内存后，它将在内存中加密。这是一个粗略的实现，但文档将帮助您改进满足您需求的方法。

// Hash (BCrypt for simplicity)
private const int factor = 12;
var hashed = BCrypter.HashPassword(textbox.Text, BCrypter.GenerateSalt(factor));

另一种方法只是随机化，类似于单词shuffle。像其他答案一样。

脚本来掩盖C＃中的字符串？

3 个答案: