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Re: [89attendees] Oyster card balance

Stefan Winter <stefan.winter@restena.lu> Tue, 11 March 2014 10:07 UTC

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Date: Tue, 11 Mar 2014 11:06:59 +0100
From: Stefan Winter <stefan.winter@restena.lu>
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Subject: Re: [89attendees] Oyster card balance
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Hi,

> You don't need to provide any personal information whatsoever. Go to
> anywhere with an Oyster terminal and touch in.

We were discussing enrolling to the online system. This should really
not involve a physical relocation ;-)

> If you're at a manned
> station, they can also verify the transaction record (called
> resolving) which is worth doing occasionally as you often get a
> refund.

Yes, that's one of the more funny parts. Once you are enrolled online,
you can top up your card online with a credit card - and then need to
travel to one of those "resolving" stations to actually update your card
balance.

It escapes my why an online top-up can't stand on its own? It is after
all an UDPATE in some DB of the accounting system. Unless the balance is
actually kept on the card, not in a central DB. If it is on the card, I
wonder if messing with the card is a worthwhile hacker's target for, uh,
"self-service" top-up.

Greetings,

Stefan Winter

> 
> On Tue, Mar 11, 2014 at 7:31 AM, Stefan Winter <stefan.winter@restena.lu> wrote:
>> Hi,
>>
>>> Has anyone found a way to check the balance on an Oyster card?  The signup for the online service appears to require local information and it doesn't seem to want to accept the Hilton's phone number as a valid one. :-)
>>
>> That number worked well for me. Probably the system only allows a phone
>> number *once* - and you were too late ;-)
>>
>> Maybe adding your room number extension will make it unique and usable
>> again.
>>
>> Stefan
>>
>> --
>> Stefan WINTER
>> Ingenieur de Recherche
>> Fondation RESTENA - Réseau Téléinformatique de l'Education Nationale et
>> de la Recherche
>> 6, rue Richard Coudenhove-Kalergi
>> L-1359 Luxembourg
>>
>> Tel: +352 424409 1
>> Fax: +352 422473
>>
>> PGP key updated to 4096 Bit RSA - I will encrypt all mails if the
>> recipient's key is known to me
>>
>> http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xC0DE6A358A39DC66
>>
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> 
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-- 
Stefan WINTER
Ingenieur de Recherche
Fondation RESTENA - Réseau Téléinformatique de l'Education Nationale et
de la Recherche
6, rue Richard Coudenhove-Kalergi
L-1359 Luxembourg

Tel: +352 424409 1
Fax: +352 422473

PGP key updated to 4096 Bit RSA - I will encrypt all mails if the
recipient's key is known to me

http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xC0DE6A358A39DC66

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