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Looking for a java card the full ATR of which can be changeable

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mose05
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Looking for a java card the full ATR of which can be changeable

Post by mose05 » Mon Feb 22, 2016 2:54 am

I am finding a kind of java card where the full ATR would be changeable according to my requirement thru some API.

I know this can be done through proxy devices/boards, but it will be much easier to have a card with such capability. Any recommendation or comments?

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UNKNwYSHSA
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Re: Looking for a java card the full ATR of which can be changeable

Post by UNKNwYSHSA » Mon Feb 22, 2016 9:33 am

You can ask your card provider for this function.
But i want to know your original intention of this requirement?
sense and simplicity

ThePhoenyx
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Re: Looking for a java card the full ATR of which can be changeable

Post by ThePhoenyx » Mon Feb 22, 2016 2:29 pm

Please note that all you can change are the "Historical Bytes". The first (I think) 6 bytes are hardware settings. Trying to change those *will* brick your card. :!:
The world is full of stories;
And sometimes they permit themselves to be told.
~Cherokee Proverb

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mabel
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Re: Looking for a java card the full ATR of which can be changeable

Post by mabel » Tue Feb 23, 2016 1:47 am

ThePhoenyx wrote:Please note that all you can change are the "Historical Bytes". The first (I think) 6 bytes are hardware settings. Trying to change those *will* brick your card. :!:


As @ ThePhoenyx said,
You can only change the historical bytes via a default selected application. There is no way to change the full ATR.

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