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-- hd [DateTime(2004-08-10T04:59:36Z)] TableOfContents

UnixMD5技巧

有很多情况下我们需要通过最简单的办法来使用一小段程序运算出Unix的密码MD5后的字符串出来。这个Tips将我们所知道的各种简单办法列出来,希望对大家有所帮助。

PHP

<?php
$MyPassword = "pass";
echo crypt($MyPassword);
?>

Perl

perl -e 'print crypt("passwd","\$1\$randstr\$"),"\n"' 

C++

/*
 * Copyright (c) Xin LI, 2004
 * Copyright (c) Sina Mobile Corporation, 2004
 * All rights reserved.
 *
 * $Phantasm$
 */
 
#include <iostream>
#include <cstdlib>
#include <string>
using namespace std;
 
#include <unistd.h>
 
int main()
{
        char *p = NULL;
        char salt[] = "$1$12345678";
        const char saltpattern[] = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz_";
        string s;
        cout << "Password: ";
        cin >> s;
        srand(123);
        for(int i=3; i<11; i++)
                salt[i] = saltpattern[rand() % ((sizeof saltpattern) -1)];
        p = crypt(s.c_str(), salt);
        if(p!=NULL) {
                cout << "Hash: " << p << endl;
        } else
                cout << "Error: Can't allocate memory!" << endl;
}

这个只是for bsd 5。使用下面的命令进行编译后运行:

c++ -o maildb -O -pipe maildb.cpp -lcrypt