wzsek.c

来自「破解很多程序的序列号算法程序」· C语言 代码 · 共 69 行

//
// WinZIP Self-Extractor v2.2 Final Keymaker
// Coded by [eGIS!/CORE].
//

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>

typedef unsigned char BYTE;
typedef unsigned int WORD;
typedef unsigned long DWORD;

void main( void )
{
    char    name[ 50 ], *p = name;
    WORD    k1 = 0, k2 = 0, k3, k4, k, i;

    printf( "\n ._______/\\__________/\\_______/\\___________.\n"
        " /    _____\\_   ___    \\_____   \\    _____/\n"
        "/     \\      \\    _\\    /   /   /__    __\\___\n"
        "\\____________/__________\\___\\____  \\________/\n"
        "+-ds-----------+ C.O.R.E..2.K +- \\_/ -------+\n\n"
        "WinZIP Self-Extractor v2.2 Final Keymaker (c) by Egis/CORE.\n\nEnter your name: " );

    gets( name );
    strlwr( name );

    i = 1;
    while( *p ) {
        if( !isalpha( *p ) ) {
            p++;
            continue;
        }
        k1 += ( i++ ) * ( WORD ) *( p++ );
    }

    p = name;
    while( *p ) {
        if( !isalpha( *p ) ) {
            p++;
            continue;
        }
        k = *p;
        k <<= 8;
        for( i = 0; i < 8; i++ ) {
            if( ( k ^ k2 ) & 0x8000 ) {
                k2 <<= 1;
                k2 &= 0xffff;
                k2 ^= 0x1021;
            } else {
                k2 <<= 1;
                k2 &= 0xffff;
            }
            k <<= 1;
            k &= 0xffff;
        }
        p++;
    }

    sprintf( name, "%03u", k1 );
    sprintf( name + 3, "%03u", k2 + 0x9dd );
    *( name + 6 ) = '\0';

    printf( "\nYour registration code: %s\n", name );

}