Rod Whitby wrote:
Shakthi Kannan wrote:
On 8/5/07, Giles Jones <[EMAIL PROTECTED]> wrote:
Passwords and pins are pretty fiddly, even tedious to enter.
AFAIK, when you buy a SIM card, you are given a 4-digit PIN number,
which is the only means of authentication between the end-user and the
GSM part of the phone. So, we have to live with that.
This is not the case. I personally have a SIM card with *no* PIN on it.
I could set a PIN on it if I chose to, but for that card I choose not to.
Setting the PIN is a choice of the user. It does not have to be set.
So any login scheme cannot assume that the SIM card has a PIN on first boot.
Actually, there is always a PIN on the SIM it's just that in your case
it has been disabled -- this is standard for some operators. To
re-enable it you need to know the PIN or the PUK.
Nonetheless, your point is correct that one cannot assume the PIN is
activated on first boot.
Eric
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