c# MD5

Posted on 2018-02-19 09:54 火冰·瓶阅读(110) 评论(0) 编辑收藏举报

private string MD5(string str)
{
    byte[] result = Encoding.Default.GetBytes(str);    //tbPass为输入密码的文本框
    MD5 md5 = new MD5CryptoServiceProvider();
    byte[] output = md5.ComputeHash(result);
    return BitConverter.ToString(output).Replace("-", "");  //tbMd5pass为输出加密文本的文本框
 
}

public static class ExtendMethond
{
    public static string GetMD5(this string input, string charset = "utf-8")
    {
        MD5 md5 = new MD5CryptoServiceProvider();
        byte[] data = md5.ComputeHash(Encoding.GetEncoding(charset).GetBytes(input));
        var builder = new StringBuilder(32);
        for (int i = 0; i < data.Length; i++)
        {
            builder.Append(data[i].ToString("x2"));
        }
        return builder.ToString();
    }
 
 
 
 
    /// <summary>
    /// 字符串转换为Base64字符串
    /// </summary>
    /// <param name="str"></param>
    /// <returns></returns>
    public static string ToBase64(this string str)
    {
        byte[] s = Encoding.UTF8.GetBytes(str);
        return Convert.ToBase64String(s);
    }
 
    /// <summary>
    /// Base64字符串转换为标准字符串
    /// </summary>
    /// <param name="input"></param>
    /// <returns></returns>
    public static string FromBase64Str(this string input)
    {
        if (string.IsNullOrEmpty(input)) return input;
 
        //HTTP传输过程中加号->空格
        input = input.Replace(" ", "+");
 
        var byt = Convert.FromBase64String(input);
        return Encoding.UTF8.GetString(byt);
    }
 
 
}