EEPW论坛

输出项目：RetData=0x00操作成功;RetData=0xFF此操作失败。

unsigned char CpuCardAuthentication(unsigned char CpuFiled,unsigned char EsamFiled)
{
    unsigned char i,Ret;
    //ESAM模块分散密钥
    Ret = CosReset(0);
    if(Ret != 0) 
    {
        return 0x01;
    }
    for(i = 0; i < 8; i++) 
    {
        CmdBuf[i + 5] = CardSerial;//----------------------------------------分散因子
    }
    Ret = CreateTempkey(0,EsamFiled);//----------------------------------------------分散密钥系统外部认证主密
    if(Ret != 0) 
    {
        return 0x02;
    } 
    //从CPU卡取随机数
    Ret = Getchanllege(1,8);
    if(Ret != 0)
    {
        return 0x03;
    }
    //把随机数送ESAM加密
    for(i = 0; i < 8; i++) 
    {
        CmdBuf[i + 5] = CosBuf;
    }
    Ret = DesTempkey(0);//------------------------------------------------------ESAM对随机数加密
    if(Ret != 0) 
    {
        return 0x04;
    }
    for(i = 0; i < 8; i++) 
    {
        CmdBuf[i + 5] = CosBuf;
    }
    Ret = Externalauthen(1,CpuFiled);
    if(Ret == 0) 
    {
        return 0x00;
    }
    else
    {
        return 0x05;//---------------------------------------------------------cpu卡外部认证错
    }
}