方式一：
双击运行
，输入字符串计算MD5值；或拖动任意文件或文件夹到到工具上，自动计算MD5值。
方式二：
拖拽文件或文件夹至getMD5.exe上，可自动计算文件或文件夹下所有文件的MD5值，保存至文件MD5.txt中
方式三：
通过cmd命令调用（类似方式二）
REM 获取1.txt和files目录下所有文件的MD5值
getMD5.exe "D:\tmp\1.txt;C:\Users\Administrator\Desktop\files"
工具源码：
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace getMD5
{
//示例： MD5.Encrypt("", 32);
//MD5 ("") = d41d8cd98f00b204e9800998ecf8427e
//MD5 ("a") = 0cc175b9c0f1b6a831c399e269772661
//MD5 ("abc") = 900150983cd24fb0d6963f7d28e17f72
//MD5 ("message digest") = f96b697d7cb7938d525a2f31aaf161d0
//MD5 ("abcdefghijklmnopqrstuvwxyz") = c3fcd3d76192e4007dfb496cca67e13b
public class MD5
{
const int BITS_TO_A_BYTE = 8;
const int BYTES_TO_A_WORD = 4;
const int BITS_TO_A_WORD = 32;
private static long[] m_lOnBits = new long[30 + 1];
private static long[] m_l2Power = new long[30 + 1];
private static long LShift(long lValue, long iShiftBits)
{
long LShift = 0;
if (iShiftBits == 0)
{
LShift = lValue;
return LShift;
}
else
{
if (iShiftBits == 31)
{
if (Convert.ToBoolean(lValue & 1))
{
LShift = 0x80000000;
}
else
{
LShift = 0;
}
return LShift;
}
else
{
if (iShiftBits < 0 || iShiftBits > 31)
{
// Err.Raise 6;
}
}
}
if (Convert.ToBoolean((lValue & m_l2Power[31 - iShiftBits])))
{
LShift = ((lValue & m_lOnBits[31 - (iShiftBits + 1)]) * m_l2Power[iShiftBits]) | 0x80000000;
}
else
{
LShift = ((lValue & m_lOnBits[31 - iShiftBits]) * m_l2Power[iShiftBits]);
}
return LShift;
}
private static long RShift(long lValue, long iShiftBits)
{
long RShift = 0;
if (iShiftBits == 0)
{
RShift = lValue;
return RShift;
}
else
{
if (iShiftBits == 31)
{
if (Convert.ToBoolean(lValue & 0x80000000))
{
RShift = 1;
}
else
{
RShift = 0;
}
return RShift;
}
else
{
if (iShiftBits < 0 || iShiftBits > 31)
{
// Err.Raise 6;
}
}
}
RShift = (lValue & 0x7FFFFFFE) / m_l2Power[iShiftBits];
if (Convert.ToBoolean((lValue & 0x80000000)))
{
RShift = (RShift | (0x40000000 / m_l2Power[iShiftBits - 1]));
}
return RShift;
}
private static long RotateLeft(long lValue, long iShiftBits)
{
long RotateLeft = 0;
RotateLeft = LShift(lValue, iShiftBits) | RShift(lValue, (32 - iShiftBits));
return RotateLeft;
}
private static long AddUnsigned(long lX, long lY)
{
long AddUnsigned = 0;
long lX4 = 0;
long lY4 = 0;
long lX8 = 0;
long lY8 = 0;
long lResult = 0;
lX8 = lX & 0x80000000;
lY8 = lY & 0x80000000;
lX4 = lX & 0x40000000;
lY4 = lY & 0x40000000;
lResult = (lX & 0x3FFFFFFF) + (lY & 0x3FFFFFFF);
if (Convert.ToBoolean(lX4 & lY4))
{
lResult = lResult ^ 0x80000000 ^ lX8 ^ lY8;
}
else if (Convert.ToBoolean(lX4 | lY4))
{
if (Convert.ToBoolean(lResult & 0x40000000))
{
lResult = lResult ^ 0xC0000000 ^ lX8 ^ lY8;
}
else
{
lResult = lResult ^ 0x40000000 ^ lX8 ^ lY8;
}
}
else
{
lResult = lResult ^ lX8 ^ lY8;
}
AddUnsigned = lResult;
return AddUnsigned;
}
private static long md5_F(long x, long y, long z)
{
long md5_F = 0;
md5_F = (x & y) | ((~x) & z);
return md5_F;
}
private static long md5_G(long x, long y, long z)
{
long md5_G = 0;
md5_G = (x & z) | (y & (~z));
return md5_G;
}
private static long md5_H(long x, long y, long z)
{
long md5_H = 0;
md5_H = (x ^ y ^ z);
return md5_H;
}
private static long md5_I(long x, long y, long z)
{
long md5_I = 0;
md5_I = (y ^ (x | (~z)));
return md5_I;
}
private static void md5_FF(ref long a, long b, long c, long d, long x, long s, long ac)
{
a = AddUnsigned(a, AddUnsigned(AddUnsigned(md5_F(b, c, d), x), ac));
a = RotateLeft(a, s);
a = AddUnsigned(a, b);
}
private static void md5_GG(ref long a, long b, long c, long d, long x, long s, long ac)
{
a = AddUnsigned(a, AddUnsigned(AddUnsigned(md5_G(b, c, d), x), ac));
a = RotateLeft(a, s);
a = AddUnsigned(a, b);
}
private static void md5_HH(ref long a, long b, long c, long d, long x, long s, long ac)
{
a = AddUnsigned(a, AddUnsigned(AddUnsigned(md5_H(b, c, d), x), ac));
a = RotateLeft(a, s);
a = AddUnsigned(a, b);
}
private static void md5_II(ref long a, long b, long c, long d, long x, long s, long ac)
{
a = AddUnsigned(a, AddUnsigned(AddUnsigned(md5_I(b, c, d), x), ac));
a = RotateLeft(a, s);
a = AddUnsigned(a, b);
}
private static long[] ConvertToWordArray(string sMessage)
{
long[] ConvertToWordArray = null;
int lMessageLength = 0;
int lNumberOfWords = 0;
long[] lWordArray = null;
int lBytePosition = 0;
int lByteCount = 0;
int lWordCount = 0;
const int MODULUS_BITS = 512;
const int CONGRUENT_BITS = 448;
byte[] Array = System.Text.Encoding.Default.GetBytes(sMessage);
lMessageLength = Array.Length;
lNumberOfWords = (((lMessageLength + ((MODULUS_BITS - CONGRUENT_BITS) / BITS_TO_A_BYTE)) / (MODULUS_BITS / BITS_TO_A_BYTE)) + 1) * (MODULUS_BITS / BITS_TO_A_WORD);
lWordArray = new long[lNumberOfWords];
lBytePosition = 0;
lByteCount = 0;
while (lByteCount < lMessageLength)
{
lWordCount = lByteCount / BYTES_TO_A_WORD;
lBytePosition = (lByteCount % BYTES_TO_A_WORD) * BITS_TO_A_BYTE;
lWordArray[lWordCount] = lWordArray[lWordCount] | LShift(Array[lByteCount], lBytePosition);
lByteCount = lByteCount + 1;
}
lWordCount = lByteCount / BYTES_TO_A_WORD;
lBytePosition = (lByteCount % BYTES_TO_A_WORD) * BITS_TO_A_BYTE;
lWordArray[lWordCount] = lWordArray[lWordCount] | LShift(0x80, lBytePosition);
lWordArray[lNumberOfWords - 2] = LShift(lMessageLength, 3);
lWordArray[lNumberOfWords - 1] = RShift(lMessageLength, 29);
ConvertToWordArray = lWordArray;
return ConvertToWordArray;
}
private static string WordToHex(long lValue)
{
string WordToHex = "";
long lByte = 0;
int lCount = 0;
int startIndex = 0;
for (lCount = 0; lCount <= 3; lCount++)
{
lByte = RShift(lValue, lCount * BITS_TO_A_BYTE) & m_lOnBits[BITS_TO_A_BYTE - 1];
startIndex = ("0" + ToHex(lByte)).Length - 2;
WordToHex = WordToHex + (("0" + ToHex(lByte)).Substring(startIndex < 0 ? 0 : startIndex));
}
return WordToHex;
}
private static string ToHex(long dec)
{
string strhex = "";
while (dec > 0)
{
strhex = tohex(dec % 16) + strhex;
dec = dec / 16;
}
return strhex;
}
private static string tohex(long hex)
{
string strhex = "";
switch (hex)
{
case 10: strhex = "a"; break;
case 11: strhex = "b"; break;
case 12: strhex = "c"; break;
case 13: strhex = "d"; break;
case 14: strhex = "e"; break;
case 15: strhex = "f"; break;
default: strhex = hex.ToString(); break;
}
return strhex;
}
public static string Encrypt(string sMessage, int stype)
{
string MD5 = "";
for (int i = 0; i <= 30; i++)
{
m_lOnBits[i] = Convert.ToInt64(Math.Pow(2, i + 1) - 1);
m_l2Power[i] = Convert.ToInt64(Math.Pow(2, i));
}
long[] x = null;
int k = 0;
long AA = 0;
long BB = 0;
long CC = 0;
long DD = 0;
long a = 0;
long b = 0;
long c = 0;
long d = 0;
const int S11 = 7;
const int S12 = 12;
const int S13 = 17;
const int S14 = 22;
const int S21 = 5;
const int S22 = 9;
const int S23 = 14;
const int S24 = 20;
const int S31 = 4;
const int S32 = 11;
const int S33 = 16;
const int S34 = 23;
const int S41 = 6;
const int S42 = 10;
const int S43 = 15;
const int S44 = 21;
x = ConvertToWordArray(sMessage);
a = 0x67452301;
b = 0xEFCDAB89;
c = 0x98BADCFE;
d = 0x10325476;
for (k = 0; k < x.Length; k += 16)
{
AA = a;
BB = b;
CC = c;
DD = d;
md5_FF(ref a, b, c, d, x[k + 0], S11, 0xD76AA478);
md5_FF(ref d, a, b, c, x[k + 1], S12, 0xE8C7B756);
md5_FF(ref c, d, a, b, x[k + 2], S13, 0x242070DB);
md5_FF(ref b, c, d, a, x[k + 3], S14, 0xC1BDCEEE);
md5_FF(ref a, b, c, d, x[k + 4], S11, 0xF57C0FAF);
md5_FF(ref d, a, b, c, x[k + 5], S12, 0x4787C62A);
md5_FF(ref c, d, a, b, x[k + 6], S13, 0xA8304613);
md5_FF(ref b, c, d, a, x[k + 7], S14, 0xFD469501);
md5_FF(ref a, b, c, d, x[k + 8], S11, 0x698098D8);
md5_FF(ref d, a, b, c, x[k + 9], S12, 0x8B44F7AF);
md5_FF(ref c, d, a, b, x[k + 10], S13, 0xFFFF5BB1);
md5_FF(ref b, c, d, a, x[k + 11], S14, 0x895CD7BE);
md5_FF(ref a, b, c, d, x[k + 12], S11, 0x6B901122);
md5_FF(ref d, a, b, c, x[k + 13], S12, 0xFD987193);
md5_FF(ref c, d, a, b, x[k + 14], S13, 0xA679438E);
md5_FF(ref b, c, d, a, x[k + 15], S14, 0x49B40821);
md5_GG(ref a, b, c, d, x[k + 1], S21, 0xF61E2562);
md5_GG(ref d, a, b, c, x[k + 6], S22, 0xC040B340);
md5_GG(ref c, d, a, b, x[k + 11], S23, 0x265E5A51);
md5_GG(ref b, c, d, a, x[k + 0], S24, 0xE9B6C7AA);
md5_GG(ref a, b, c, d, x[k + 5], S21, 0xD62F105D);
md5_GG(ref d, a, b, c, x[k + 10], S22, 0x2441453);
md5_GG(ref c, d, a, b, x[k + 15], S23, 0xD8A1E681);
md5_GG(ref b, c, d, a, x[k + 4], S24, 0xE7D3FBC8);
md5_GG(ref a, b, c, d, x[k + 9], S21, 0x21E1CDE6);
md5_GG(ref d, a, b, c, x[k + 14], S22, 0xC33707D6);
md5_GG(ref c, d, a, b, x[k + 3], S23, 0xF4D50D87);
md5_GG(ref b, c, d, a, x[k + 8], S24, 0x455A14ED);
md5_GG(ref a, b, c, d, x[k + 13], S21, 0xA9E3E905);
md5_GG(ref d, a, b, c, x[k + 2], S22, 0xFCEFA3F8);
md5_GG(ref c, d, a, b, x[k + 7], S23, 0x676F02D9);
md5_GG(ref b, c, d, a, x[k + 12], S24, 0x8D2A4C8A);
md5_HH(ref a, b, c, d, x[k + 5], S31, 0xFFFA3942);
md5_HH(ref d, a, b, c, x[k + 8], S32, 0x8771F681);
md5_HH(ref c, d, a, b, x[k + 11], S33, 0x6D9D6122);
md5_HH(ref b, c, d, a, x[k + 14], S34, 0xFDE5380C);
md5_HH(ref a, b, c, d, x[k + 1], S31, 0xA4BEEA44);
md5_HH(ref d, a, b, c, x[k + 4], S32, 0x4BDECFA9);
md5_HH(ref c, d, a, b, x[k + 7], S33, 0xF6BB4B60);
md5_HH(ref b, c, d, a, x[k + 10], S34, 0xBEBFBC70);
md5_HH(ref a, b, c, d, x[k + 13], S31, 0x289B7EC6);
md5_HH(ref d, a, b, c, x[k + 0], S32, 0xEAA127FA);
md5_HH(ref c, d, a, b, x[k + 3], S33, 0xD4EF3085);
md5_HH(ref b, c, d, a, x[k + 6], S34, 0x4881D05);
md5_HH(ref a, b, c, d, x[k + 9], S31, 0xD9D4D039);
md5_HH(ref d, a, b, c, x[k + 12], S32, 0xE6DB99E5);
md5_HH(ref c, d, a, b, x[k + 15], S33, 0x1FA27CF8);
md5_HH(ref b, c, d, a, x[k + 2], S34, 0xC4AC5665);
md5_II(ref a, b, c, d, x[k + 0], S41, 0xF4292244);
md5_II(ref d, a, b, c, x[k + 7], S42, 0x432AFF97);
md5_II(ref c, d, a, b, x[k + 14], S43, 0xAB9423A7);
md5_II(ref b, c, d, a, x[k + 5], S44, 0xFC93A039);
md5_II(ref a, b, c, d, x[k + 12], S41, 0x655B59C3);
md5_II(ref d, a, b, c, x[k + 3], S42, 0x8F0CCC92);
md5_II(ref c, d, a, b, x[k + 10], S43, 0xFFEFF47D);
md5_II(ref b, c, d, a, x[k + 1], S44, 0x85845DD1);
md5_II(ref a, b, c, d, x[k + 8], S41, 0x6FA87E4F);
md5_II(ref d, a, b, c, x[k + 15], S42, 0xFE2CE6E0);
md5_II(ref c, d, a, b, x[k + 6], S43, 0xA3014314);
md5_II(ref b, c, d, a, x[k + 13], S44, 0x4E0811A1);
md5_II(ref a, b, c, d, x[k + 4], S41, 0xF7537E82);
md5_II(ref d, a, b, c, x[k + 11], S42, 0xBD3AF235);
md5_II(ref c, d, a, b, x[k + 2], S43, 0x2AD7D2BB);
md5_II(ref b, c, d, a, x[k + 9], S44, 0xEB86D391);
a = AddUnsigned(a, AA);
b = AddUnsigned(b, BB);
c = AddUnsigned(c, CC);
d = AddUnsigned(d, DD);
}
if (stype == 32)
{
MD5 = ((((WordToHex(a)) + (WordToHex(b))) + (WordToHex(c))) + (WordToHex(d))).ToLower();
}
else
{
MD5 = ((WordToHex(b)) + (WordToHex(c))).ToLower();
}
return MD5;
}
}
}
using System;using System.Collections.Generic;using System.Linq;using System.Threading.Tasks;using System.Windows.Forms;namespace getMD5{ static class Program { /// <summary> /// 应用程序的主入口点。 /// </summary> [STAThread] static void Main(string[] args) { Application.EnableVisualStyles(); Application.SetCompatibleTextRenderingDefault(false); if (args.Length == 0) Application.Run(new Form_MD5()); else if (args.Length == 1) { string[] files = args[0].Split(';'); string filesNames = Form_MD5.toSubDirFileNames(files); files = filesNames.Split(';'); string tmp = Form_MD5.getFilesMD5(files); // 计算文件MD5值 Form_MD5.SaveProcess(tmp); } } }}
using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Threading.Tasks;using System.Windows.Forms;namespace getMD5{ public partial class Form_MD5 : Form { public Form_MD5() { InitializeComponent(); } private void button1_Click(object sender, EventArgs e) { textBox1.Text = MD5.Encrypt(textBox1.Text, 32); } private void Form_DragEnter(object sender, DragEventArgs e) { dragEnter(e); } private void Form_DragDrop(object sender, DragEventArgs e) { TextBox textBox = sender as TextBox; textBox.Text = dragDrop(e); // 获取拖入的文件 string[] files = textBox.Text.Split(';'); string tmp = getFilesMD5(files); // 计算文件MD5值 textBox1.Text = tmp; SaveProcess(tmp, "MD5.txt"); } // 计算各文件对应的MD5值 public static String getFilesMD5(string[] files) { string tmp = ""; foreach (string file in files) { if (System.IO.File.Exists(file)) { string data = fileToString(file); string md5 = MD5.Encrypt(data, 32); tmp += "\r\n" + file + "(" + md5 + ")"; } } return tmp; } #region 文件读取与保存 /// <summary> /// 获取文件中的数据串 /// </summary> public static string fileToString(String filePath) { string str = ""; //获取文件内容 if (System.IO.File.Exists(filePath)) { System.IO.StreamReader file1 = new System.IO.StreamReader(filePath, Encoding.Default);//读取文件中的数据 str = file1.ReadToEnd(); //读取文件中的全部数据 file1.Close(); file1.Dispose(); } return str; } /// <summary> /// 保存数据data到文件处理过程，返回值为保存的文件名 /// </summary> public static String SaveProcess(String data, String name = "", String CurDir = "") { if (CurDir.Equals("")) CurDir = System.AppDomain.CurrentDomain.BaseDirectory; //设置当前目录 if (name.Equals("")) name = "MD5.txt"; if (!System.IO.Directory.Exists(CurDir)) System.IO.Directory.CreateDirectory(CurDir); //该路径不存在时，在当前文件目录下创建文件夹"导出.." //不存在该文件时先创建 String filePath = CurDir + name; System.IO.StreamWriter file1 = new System.IO.StreamWriter(filePath, false); //文件已覆盖方式添加内容 file1.Write(data); //保存数据到文件 file1.Close(); //关闭文件 file1.Dispose(); //释放对象 return filePath; } #endregion # region 文件拖拽 /// <summary> /// 文件拖进事件处理： /// </summary> public void dragEnter(DragEventArgs e) { if (e.Data.GetDataPresent(DataFormats.FileDrop)) //判断拖来的是否是文件 e.Effect = DragDropEffects.Link; //是则将拖动源中的数据连接到控件 else e.Effect = DragDropEffects.None; } /// <summary> /// 文件放下事件处理： /// 放下, 另外需设置对应控件的 AllowDrop = true; /// 获取的文件名形如 "d:\1.txt;d:\2.txt" /// </summary> public string dragDrop(DragEventArgs e) { Array file = (System.Array)e.Data.GetData(DataFormats.FileDrop);//将拖来的数据转化为数组存储 return toSubDirFileNames(file); } // 获取所有files目录下的所有文件，转化为单个串 public static string toSubDirFileNames(Array files) { StringBuilder filesName = new StringBuilder(""); foreach (object I in files) { string str = I.ToString(); System.IO.FileInfo info = new System.IO.FileInfo(str); //若为目录，则获取目录下所有子文件名 if ((info.Attributes & System.IO.FileAttributes.Directory) != 0) { str = getAllFiles(str); if (!str.Equals("")) filesName.Append((filesName.Length == 0 ? "" : ";") + str); } //若为文件，则获取文件名 else if (System.IO.File.Exists(str)) filesName.Append((filesName.Length == 0 ? "" : ";") + str); } return filesName.ToString(); } /// <summary> /// 判断path是否为目录 /// </summary> public bool IsDirectory(String path) { System.IO.FileInfo info = new System.IO.FileInfo(path); return (info.Attributes & System.IO.FileAttributes.Directory) != 0; } /// <summary> /// 获取目录path下所有子文件名 /// </summary> public static string getAllFiles(String path) { StringBuilder str = new StringBuilder(""); if (System.IO.Directory.Exists(path)) { //所有子文件名 string[] files = System.IO.Directory.GetFiles(path); foreach (string file in files) str.Append((str.Length == 0 ? "" : ";") + file); //所有子目录名 string[] Dirs = System.IO.Directory.GetDirectories(path); foreach (string dir in Dirs) { string tmp = getAllFiles(dir); //子目录下所有子文件名 if (!tmp.Equals("")) str.Append((str.Length == 0 ? "" : ";") + tmp); } } return str.ToString(); } # endregion }}
namespace getMD5{ partial class Form_MD5 { /// <summary> /// 必需的设计器变量。 /// </summary> private System.ComponentModel.IContainer components = null; /// <summary> /// 清理所有正在使用的资源。 /// </summary> /// <param name="disposing">如果应释放托管资源，为 true；否则为 false。</param> protected override void Dispose(bool disposing) { if (disposing && (components != null)) { components.Dispose(); } base.Dispose(disposing); } #region Windows 窗体设计器生成的代码 /// <summary> /// 设计器支持所需的方法 - 不要 /// 使用代码编辑器修改此方法的内容。 /// </summary> private void InitializeComponent() { this.components = new System.ComponentModel.Container(); this.button1 = new System.Windows.Forms.Button(); this.textBox1 = new System.Windows.Forms.TextBox(); this.toolTip1 = new System.Windows.Forms.ToolTip(this.components); this.SuspendLayout(); // // button1 // this.button1.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right))); this.button1.Location = new System.Drawing.Point(182, 308); this.button1.Name = "button1"; this.button1.Size = new System.Drawing.Size(75, 23); this.button1.TabIndex = 0; this.button1.Text = "计算MD5"; this.button1.UseVisualStyleBackColor = true; this.button1.Click += new System.EventHandler(this.button1_Click); // // textBox1 // this.textBox1.AllowDrop = true; this.textBox1.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) | System.Windows.Forms.AnchorStyles.Left) | System.Windows.Forms.AnchorStyles.Right))); this.textBox1.Location = new System.Drawing.Point(0, 0); this.textBox1.Margin = new System.Windows.Forms.Padding(0); this.textBox1.Multiline = true; this.textBox1.Name = "textBox1"; this.textBox1.ScrollBars = System.Windows.Forms.ScrollBars.Both; this.textBox1.Size = new System.Drawing.Size(257, 305); this.textBox1.TabIndex = 1; this.toolTip1.SetToolTip(this.textBox1, "可拖动文件至此，查看文件的MD5值"); this.textBox1.DragDrop += new System.Windows.Forms.DragEventHandler(this.Form_DragDrop); this.textBox1.DragEnter += new System.Windows.Forms.DragEventHandler(this.Form_DragEnter); // // Form1 // this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F); this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font; this.ClientSize = new System.Drawing.Size(257, 335); this.Controls.Add(this.textBox1); this.Controls.Add(this.button1); this.Name = "Form1"; this.Text = "MD5"; this.ResumeLayout(false); this.PerformLayout(); } #endregion private System.Windows.Forms.Button button1; private System.Windows.Forms.TextBox textBox1; private System.Windows.Forms.ToolTip toolTip1; }}