int decipher2(const char* key,char* plain_text,char* crypted_text,int length)
{
char t_crypt[MAX_CI_LEN];
int i;
for(i=0;i<length/2;i++)
t_crypt[i]=asc_bcd(crypted_text+i*2);
for(i=0;i<length/16;i++)
TDes(1,&t_crypt[8*i],triple_des_key,&plain_text[8*i]);
plain_text[length/2]=0;
return 0;
}
int decipher3(const char* key,char* plain_text,char* crypted_text,int length)
{
char t_crypt[MAX_CI_LEN];
int i;
char usekey[32];
for(i=0;i<32;i++)
usekey[i]='\0';
strncpy(usekey,key,16);
for(i=0;i<length/2;i++)
t_crypt[i]=asc_bcd(crypted_text+i*2);
for(i=0;i<length/16;i++)
TDes(1,&t_crypt[8*i],usekey,&plain_text[8*i]);
plain_text[length/2]=0;
return 0;
}
unsigned char GetTrackInfo(unsigned char *pucTrack)
{
qDebug() << Q_FUNC_INFO;
unsigned short uiI = 0,uiISO2Len = 0,uiISO3Len = 0;
unsigned char *pucPtr = NULL;
unsigned char ucJ = 0;
unsigned char ucISO2Status = 0,ucISO3Status = 0;
pucPtr = pucTrack;
pucPtr += 2;
/* Track2 information */
ucISO2Status = *(pucPtr);
pucPtr ++;
uiISO2Len = *(pucPtr);
G_EXTRATRANS_uiISO2Len=*(pucPtr);
qDebug("\nucISO2Status=%02x",ucISO2Status);
qDebug("\nuiISO2Len=%d\n",uiISO2Len);
/***判断二磁道数据是否正确***/
if(ucISO2Status != SUCCESS_TRACKDATA)
return ERR_MAG_TRACKDATA;
if(uiISO2Len > TRANS_ISO2LEN)
return(ERR_MAG_TRACKDATA);
pucPtr ++;
for( uiI=0; uiI<uiISO2Len; uiI++,pucPtr ++)
{
G_EXTRATRANS_aucISO2[uiI] = *(pucPtr) | 0x30;
}
qDebug("\nTrack 2 length[%d]Data:[%s]",G_EXTRATRANS_uiISO2Len,G_EXTRATRANS_aucISO2);
/* Track3 information */
ucISO3Status = *(pucPtr);
pucPtr ++;
uiISO3Len = *(pucPtr);
pucPtr ++;
qDebug("\n ucISO3Status=%02x",ucISO3Status);
qDebug("\n uiISO3Len=%d\n",uiISO3Len);
for( uiI=0; uiI<uiISO3Len; uiI++,pucPtr ++)
{
G_EXTRATRANS_aucISO3[uiI] = *(pucPtr) | 0x30;
}
//G_NORMALTRANS_ucUAAISOLen3 =uiISO3Len;
G_EXTRATRANS_uiISO3Len=uiISO3Len;
qDebug("\n Track 3 length[%d]Data:[%s]",G_EXTRATRANS_uiISO3Len,G_EXTRATRANS_aucISO3);
/***过滤三磁道状态不正确和磁道数据超长***/
if((ucISO3Status != SUCCESS_TRACKDATA)
||(uiISO3Len > TRANS_ISO3LEN))
{
G_EXTRATRANS_uiISO3Len = 0;
qDebug("\nTrack 3 length=%d",G_EXTRATRANS_uiISO3Len);
}
// 测试卡号
if(g_changeParam.simCard==true)
GetTestTrackInfo();
for(ucJ=0;ucJ<G_EXTRATRANS_uiISO2Len;ucJ++)
{
if(G_EXTRATRANS_aucISO2[ucJ] == '='
|| G_EXTRATRANS_aucISO2[ucJ] == 'd'
|| G_EXTRATRANS_aucISO2[ucJ] == 'D')
{
/*************取卡号***************/
G_NORMALTRANS_ucMainAccountLen = ucJ;
memcpy(G_NORMALTRANS_aucSourceAcc, G_EXTRATRANS_aucISO2, ucJ);
memcpy(NormalTransData.ucExpiredDate, &G_EXTRATRANS_aucISO2[ucJ+1], 4);
if(ucJ>=13)
asc_bcd(G_EXTRATRANS_aucCardPan_UnAssign,6,&G_EXTRATRANS_aucISO2[ucJ-13],12);
else
asc_bcd(G_EXTRATRANS_aucCardPan_UnAssign,6,&G_EXTRATRANS_aucISO2[0],12);
break;
}
}
qDebug("Card Number = %s", G_NORMALTRANS_aucSourceAcc);
qDebug("Card Pan = %s", G_EXTRATRANS_aucCardPan_UnAssign);
return(SUCCESS);
}
