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C# 加密名称_C#_.net_Algorithm_Encryption - Fatal编程技术网

C# 加密名称

C# 加密名称,c#,.net,algorithm,encryption,C#,.net,Algorithm,Encryption,我今天正在进行加密,我的同事告诉我一种更简单/自定义的方法,下面列出了我所做的,所以你能告诉我这是什么类型的加密或哈希签名吗?他告诉我这是某种哈希和加密的混合。抱歉问了个愚蠢的问题,我是新来的。:) 下面的方法接受一个字符串(在我的例子中是密码)。将其反转并生成字典(添加字典项如下所示),并匹配密钥和值,然后返回加密数据 public static string Encrypt(string source) { string enCrypted = ""; try {

我今天正在进行加密,我的同事告诉我一种更简单/自定义的方法,下面列出了我所做的,所以你能告诉我这是什么类型的加密或哈希签名吗?他告诉我这是某种哈希和加密的混合。抱歉问了个愚蠢的问题,我是新来的。:) 下面的方法接受一个字符串(在我的例子中是密码)。将其反转并生成字典(添加字典项如下所示),并匹配密钥和值,然后返回加密数据

public static string Encrypt(string source)
{
    string enCrypted = "";
    try
    {
        source = Reverse(source);
        Dictionary<char, char> sourceTable = AddDictionaryItems();

        char[] sourceArray = source.ToCharArray();
        StringBuilder encryptedData = new StringBuilder();
        foreach (char chr in sourceArray)
        {
            KeyValuePair<char, char> Pair;
            Pair = sourceTable.First(tuple => tuple.Key == chr);
            encryptedData.Append(Pair.Value);
        }
        enCrypted=encryptedData.ToString();
    }
    catch (Exception ex)
    { 

    }
    return enCrypted;
}
公共静态字符串加密(字符串源)
{
字符串加密=”;
尝试
{
震源=反向(震源);
Dictionary sourceTable=AddDictionaryItems();
char[]sourceArray=source.ToCharArray();
StringBuilder encryptedData=新建StringBuilder();
foreach(sourceArray中的字符chr)
{
键值对;
Pair=sourceTable.First(tuple=>tuple.Key==chr);
encryptedData.Append(Pair.Value);
}
enCrypted=encryptedData.ToString();
}
捕获(例外情况除外)
{ 
}
返回加密;
}
下面的方法将项目添加到字典中,项目基本上基于ascii代码。我循环遍历所有ASCI,然后在字典中添加相应的字符。但真正的诀窍是在字典中添加条目时。e、 例如,当我在字典中添加'A'作为键时,它的值将是'D'。变量“jump”指定键和值之间的差异。因此,如果我的密码是'ABC',如果我将其反转,它将返回'DEF'或'FED'

public static Dictionary<char, char> AddDictionaryItems()
{
    Dictionary<char, char> dc = new Dictionary<char, char>();
    try
    {
        int initial = 33;
        int jump = 3;
        int final = 127 - jump;

        for (int ascii = initial; ascii < final; ascii++)
        {
            dc.Add((char)ascii, (char)(ascii + jump));
        }
        for (int ascii = final; ascii < final + jump; ascii++)
        {
            dc.Add((char)ascii, (char)(initial));
            initial++;
        }
    }
    catch (Exception ex)
    { 
        throw ex;
    }
    return dc;
}
公共静态字典AddDictionaryItems()
{
Dictionary dc=新字典();
尝试
{
int初始值=33;
int-jump=3;
int final=127-跳跃;
用于(int ascii=初始值;ascii<最终值;ascii++)
{
添加((字符)ascii,(字符)(ascii+跳转));
}
用于(int ascii=final;ascii
这将是一个很好的方法,但是,除非你是为了好玩,否则不要将此方法用于任何需要安全性的事情。(看看你当地的报纸,它可能也有一份,通常在填字游戏旁边)。

伙计们,我已经定制了我的代码

public static string Reverse(string str)
    {
        char[] charArray = str.ToCharArray();
        Array.Reverse(charArray);
        return new string(charArray);
    }

    public static string Encrypt(string source)
    {
        string prefix = Guid.NewGuid().ToString();
        string infix = Guid.NewGuid().ToString();
        string postfix = Guid.NewGuid().ToString();

        int length = source.Length;
        string firstHalf = source.Substring(0, length / 2);
        string secondHalf = source.Substring(length / 2);

        string ConcatedPassword = prefix + firstHalf + infix + secondHalf + postfix;

        string enCrypted = "";
        try
        {
            ConcatedPassword = Reverse(ConcatedPassword);
            Dictionary<char, char> sourceTable = AddDictionaryItems();

            char[] sourceArray = ConcatedPassword.ToCharArray();
            StringBuilder encryptedData = new StringBuilder();
            foreach (char chr in sourceArray)
            {
                KeyValuePair<char, char> Pair;
                Pair = sourceTable.First(tuple => tuple.Key == chr);
                encryptedData.Append(Pair.Value);
            }
            enCrypted = encryptedData.ToString();
        }
        catch (Exception ex)
        {

        }
        return enCrypted;
    }

    public static string Decrypt(string source)
    {
        string deCrypted = "";
        try
        {
            source = Reverse(source);
            Dictionary<char, char> sourceTable = AddDictionaryItems();

            char[] sourceArray = source.ToCharArray();
            StringBuilder decryptedData = new StringBuilder();
            foreach (char chr in sourceArray)
            {
                KeyValuePair<char, char> Pair;
                Pair = sourceTable.First(tuple => tuple.Value == chr);
                decryptedData.Append(Pair.Key);
            }
            deCrypted = decryptedData.ToString();
            string prefixRemoved = deCrypted.Remove(0, 36);
            string postfixRemoved = prefixRemoved.Remove(prefixRemoved.Length - 36);
            string infixRemoved = postfixRemoved.Remove((postfixRemoved.Length - 36) / 2, 36);
            deCrypted = infixRemoved;
        }
        catch (Exception ex)
        {

        }
        return deCrypted;
    }

    public static Dictionary<char, char> AddDictionaryItems()
    {
        Dictionary<char, char> dc = new Dictionary<char, char>();
        try
        {
            int initial = 33;
            int jump = 10;
            int final = 127 - jump;

            for (int ascii = initial; ascii < final; ascii++)
            {
                dc.Add((char)ascii, (char)(ascii + jump));
            }
            for (int ascii = final; ascii < final + jump; ascii++)
            {
                dc.Add((char)ascii, (char)(initial));
                initial++;
            }
        }
        catch (Exception ex)
        {

        }
        return dc;
    }

protected void Page_Load(object sender, EventArgs e)
{
     string password = "$Om3P@55w0r6";
     string encrypted = Encrypt(password);
     string decrypted = Decrypt(encrypted);
}
publicstaticstringreverse(stringstr)
{
char[]charArray=str.ToCharArray();
数组。反向(charArray);
返回新字符串(charArray);
}
公共静态字符串加密(字符串源)
{
字符串前缀=Guid.NewGuid().ToString();
字符串中缀=Guid.NewGuid().ToString();
字符串后缀=Guid.NewGuid().ToString();
int length=source.length;
字符串firstHalf=source.Substring(0,长度/2);
字符串secondHalf=source.Substring(长度/2);
字符串ConcatedPassword=前缀+前半部分+中缀+后半部分+后缀;
字符串加密=”;
尝试
{
ConcatedPassword=反向(ConcatedPassword);
Dictionary sourceTable=AddDictionaryItems();
char[]sourceArray=ConcatedPassword.ToCharArray();
StringBuilder encryptedData=新建StringBuilder();
foreach(sourceArray中的字符chr)
{
键值对;
Pair=sourceTable.First(tuple=>tuple.Key==chr);
encryptedData.Append(Pair.Value);
}
enCrypted=encryptedData.ToString();
}
捕获(例外情况除外)
{
}
返回加密;
}
公共静态字符串解密(字符串源)
{
字符串解密=”;
尝试
{
震源=反向(震源);
Dictionary sourceTable=AddDictionaryItems();
char[]sourceArray=source.ToCharArray();
StringBuilder decryptedData=新建StringBuilder();
foreach(sourceArray中的字符chr)
{
键值对;
Pair=sourceTable.First(tuple=>tuple.Value==chr);
decryptedData.Append(Pair.Key);
}
deCrypted=decryptedData.ToString();
string prefixRemoved=已解密。Remove(0,36);
string postfix removed=前缀removed.Remove(前缀removed.Length-36);
字符串infixRemoved=postfix移除。移除((postfix移除。长度-36)/2,36);
解密=infixRemoved;
}
捕获(例外情况除外)
{
}
返回解密;
}
公共静态字典AddDictionaryItems()
{
Dictionary dc=新字典();
尝试
{
int初始值=33;
int跳跃=10;
int final=127-跳跃;
用于(int ascii=初始值;ascii<最终值;ascii++)
{
添加((字符)ascii,(字符)(ascii+跳转));
}
用于(int ascii=final;ascii

加密不安全,但这只是一个开始。我希望它能帮助人们从头开始编写自己的方法。

'ABC'->'DEF'是凯撒密码的一个例子,这是一种加密方法,就像在高速公路上开错车道一样安全。啊哈,你明白我的意思了,是的,哥们,你说得对,是的,我记得我在网络课程中学习了凯撒密码。谢谢你提醒我。我用它只是为了好玩。此外,我还添加了两个guid,使其看起来更加困难: