这么久了，拿出来也没啥意思，不过这么久了，没有新东西拿出来，也不好意思。 (2千字)

// Key Generator of UltraEdit v9.0 by arbiter[CCG]
// compile : cl /o1 /MD /o keygen.exe .\keygen.c
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <conio.h>
typedef unsigned char    BYTE;
typedef unsigned int    WORD;
typedef unsigned long    DWORD;
const char cTab[26] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
const char nTab[10] = "0123456789";
const BYTE magicXor[][16] =
{
    { 0xd8, 0x00, 0xef, 0x00, 0x8e, 0x00, 0x66, 0x00,
      0x2f, 0x00, 0xde, 0x00, 0x43, 0x00, 0xa5, 0x00 },
    { 0xd3, 0x00, 0x1f, 0x00, 0x78, 0x00, 0x6f, 0x00,
      0x38, 0x00, 0x8f, 0x00, 0x65, 0x00, 0x5a, 0x00 },
    { 0x00, 0x10, 0x00, 0xf1, 0x00, 0xa5, 0x00, 0x2f,
      0x00, 0x1f, 0x00, 0xcb, 0x00, 0x98, 0x00, 0xf3 },
    { 0x00, 0xfe, 0x00, 0xe0, 0x00, 0x73, 0x00, 0x78,
      0x00, 0x73, 0x00, 0x34, 0x00, 0x77, 0x00, 0x33 }
};
static BYTE preTab[61];
void InitTab( BYTE *name, int nlen )
{
    int i;
    
    for( i = 0; i < 61; i++ )
        preTab[i] = ( i << 1 ) - 1;
    memcpy( preTab, name, nlen );
    preTab[nlen] &= 0x00;    
}
WORD SumName( BYTE *name, int nlen )
{
    int i;
    WORD sum = 0;
    
    for( i = 1; i < nlen - 1; i++ )
    {
        sum += name[i - 1] * name[i + 1];
        sum -= name[i];
        sum = sum - i + 1;
    }
    return( sum );
}    
void GenRegCode( char *rCode, BYTE *name )
{
    BYTE key, j;
    WORD nSum;
    int i, k, len;
    
    j = 0;
    k = 0;
    
    len = strlen( name );
    InitTab( name, len );
    nSum = SumName( name, len );
    key  = ( BYTE )( nSum & 0xff );
    for( i = 0; i < 61; i++ )
    {
        j = key + i;
        j ^= magicXor[i % 4][( i % 32 ) >> 1];
        j = preTab[j % 59] + i;
        preTab[i] = j ^ ( preTab[i + 1] << 1 );
        j = preTab[i];
        rCode[k++] = ( ( i % 5 ) & 1 ) ? nTab[j % 10] : cTab[j % 26];
        j &= 0x00;
        if( i % 5 == 4 )
            rCode[k++] = 0x2d;
    }
            
    memset( rCode + 23, 0, 77 );
    /*
    rCode[3 ] = 0x30;
    rCode[8 ] = 0x30;
    rCode[12] = 0x30;
    rCode[16] = 0x30;
    rCode[20] = 0x30;
    */
}
void main( void )
{
    int l;
    
    BYTE uName[60] = { 0x00 };
    char uCode[100] = { 0x00 };
    
    fprintf( stderr, ">> UltraEdit v9.0 keygen by arbiter[CCG].\n" );
    fprintf( stderr, ">> namelength not great than 60 digits also not less than 6 digits!\n" );
    fprintf( stderr, ">> Your Name :\t" );
    gets( uName );
    l = strlen( uName );
    if( l > 60 || l < 6 )
    {
        fprintf( stderr, ">> Invalid user name!" );
        getch();
        exit( 0 );
    }
    GenRegCode( uCode, uName );
    fprintf( stderr, ">> Your Code :\t%s", uCode );
    getch();
}