ic卡密码问题?
4442的片子,默认密码是多少,第一次需要验证吗?
以下是明华读写器代的例子,校验密码没有通过!为什么?
tring data3,data4,databuff1
string password
string password1
string proval
int counter
data1=space(10)
data2=space(10)
data3=space(16)
data4=space(8)
databuff1=space(8)
password=space(6)
password1=space(3)
st = chk_4442(icdev) //测4442卡
If st < 0 Then
List1.AddItem ("chk card error")
return
Else
List1.AddItem ("chk card ok")
End If
//password1=char(182)+char(35)+char(7) //验证卡密码
password="b62307"
st=asc_hex(password,password1,3)
st = csc_4442(icdev, 3,ref password1)
If st < 0 Then
List1.AddItem ("csc error")
return
Else
List1.AddItem ("csc ok")
End If
st = rsc_4442(icdev, 3, ref password1) //读出密码
If st < 0 Then
List1.AddItem ("rsc error")
return
Else
List1.AddItem ("rsc ok")
st=hex_asc(password1,password,3)
list1.additem(password)
End If