C#MD5計算代碼

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/// <summary>/// Calculates a MD5 hash from the given string and uses the given/// encoding./// </summary>/// <param name="Input">Input string</param>/// <param name="UseEncoding">Encoding method</param>/// <returns>MD5 computed string</returns>public static string CalculateMD5(string Input, Encoding UseEncoding){    System.Security.Cryptography.MD5CryptoServiceProvider CryptoService;    CryptoService = new System.Security.Cryptography.MD5CryptoServiceProvider();    byte[] InputBytes = UseEncoding.GetBytes(Input);    InputBytes = CryptoService.ComputeHash(InputBytes);    return BitConverter.ToString(InputBytes).Replace("-", "");}/// <summary>/// Calculates a MD5 hash from the given string. /// (By using the default encoding)/// </summary>/// <param name="Input">Input string</param>/// <returns>MD5 computed string</returns>public static string CalculateMD5(string Input){    // That‘s just a shortcut to the base method    return CalculateMD5(Input, System.Text.Encoding.Default);}//調用例子：// The example below shows how to verify a password// by using a MD5-hash:// Password could be from user inputstring PlainPassword    = "secret password";string HashedPassword   = CalculateMD5(PlainPassword);// This hash may come from the databasestring StoredPassword   = "A584EFAFA8F9EA7FE5CF18442F32B07B";// Are the hashes equal?if (HashedPassword == StoredPassword)    MessageBox.Show("Correct password!");else    MessageBox.Show("Sorry, bad password :-(");

 

C#MD5計算代碼