$string = '123456789'; //需要加密的字符串
$md5a = md5($string); //32位MD5
echo $md5a;
$md5b = substr(md5($string),8,16); // 16位MD5加密
echo $md5b;
import java.security.MessageDigest;
public class MD5Util {
public static String bytesToHex(byte[] bytes) {
StringBuffer md5str = new StringBuffer();
//把数组每一字节换成16进制连成md5字符串
int digital;
for (int i = 0; i < bytes.length; i++) {
digital = bytes[i];
if (digital < 0) {
digital += 256;
}
if (digital < 16) {
md5str.append("0");
}
md5str.append(Integer.toHexString(digital));
}
return md5str.toString();
}
public static String bytesToMD5(byte[] input) {
String md5str = null;
try {
//创建一个提供信息摘要算法的对象,初始化为md5算法对象
MessageDigest md = MessageDigest.getInstance("MD5");
//计算后获得字节数组
byte[] buff = md.digest(input);
//把数组每一字节换成16进制连成md5字符串
md5str = bytesToHex(buff);
} catch (Exception e) {
e.printStackTrace();
}
return md5str;
}
public static String strToMD5(String str) {
byte[] input = str.getBytes();
return bytesToMD5(input);
}
public static void main(String[] args) {
System.out.println(strToMD5("feng"));
}
}
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Security.Cryptography;
namespace MD5_Project
{
public class md5object
{
//static void Main(string[] args)
//{
// md5object md5obj = new md5object();
// //16位md5加密(或32位)
// Console.WriteLine(md5obj.md5("123456", 16));
//}
/// <summary>
/// MD5加密
/// </summary>
/// <param name="text"></param>
/// <returns></returns>
private string MD5(string text)
{
string str = "";
MD5 md5 = new MD5CryptoServiceProvider();
byte[] textBytes = md5.ComputeHash(System.Text.Encoding.Default.GetBytes(text));
foreach (int i in textBytes)
{
str += i.ToString("x2");
}
return str;
}
public string md5(string str, int code)
{
if (code == 16) //16位MD5加密(取32位加密的9~25字符)
{
return System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile(str, "MD5").ToLower().Substring(8, 16);
}
if (code == 32) //32位加密
{
return System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile(str, "MD5").ToLower();
}
return "00000000000000000000000000000000";
}
}
}
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using MD5_Project;
using System.Diagnostics;
namespace Project_md5
{
class Program
{
static void Main(string[] args)
{
md5object md5obj = new md5object();
//16位md5加密(或32位)
Debug.WriteLine(md5obj.md5("123456", 16));
Console.WriteLine(md5obj.md5("123456", 16));
Console.ReadLine();
}
}
}
#!/usr/bin/python
# -*- coding: utf-8 -*-
import hashlib
import md5
def main():
#需要加密的字符串
str = '1234679'
#方法1(推荐):
m2 = hashlib.md5()
m2.update(str)
sign2 = m2.hexdigest()
print sign2
#方法2:
m = md5.new()
m.update(str)
sign = m.hexdigest()
print sign
if __name__ == '__main__':
main()
package main
import (
"crypto/md5"
"fmt"
"encoding/hex"
)
func main(){
md5Ctx := md5.New()
md5Ctx.Write([]byte("1234679"))
cipherStr := md5Ctx.Sum(nil)
// fmt.Print(cipherStr)
// fmt.Print("\n")
fmt.Print(hex.EncodeToString(cipherStr))
}
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