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  • C#MD5计算代码

    /// <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);
    }
    
    //调用例子:
    // The example below shows how to verify a password
    // by using a MD5-hash:
    
    // Password could be from user input
    string PlainPassword    = "secret password";
    string HashedPassword   = CalculateMD5(PlainPassword);
    
    // This hash may come from the database
    string StoredPassword   = "A584EFAFA8F9EA7FE5CF18442F32B07B";
    
    // Are the hashes equal?
    if (HashedPassword == StoredPassword)
        MessageBox.Show("Correct password!");
    else
        MessageBox.Show("Sorry, bad password :-(");
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  • 原文地址:https://www.cnblogs.com/lolitagis02/p/8232774.html
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