Here is an example ATR for the new RSA SecurID 800:
3b 0f 80 22 15 e1 5a 00 20 00 29 21 02 31 20 02 00
T0 = 0x0f, meaning that there are 15 historical bytes and zero TDX bytes.
However, the check in ifd_atr_parse does the following:
if (len <= 2 + (atr[1] & 0x0f))
return IFD_ERROR_INVALID_ATR;
I think it should allow len == 2 + (atr[1] & 0x0f) and be changed to
if (len < 2 + (atr[1] & 0x0f))
return IFD_ERROR_INVALID_ATR;
http://www.opensc-project.org/openct/browser/trunk/src/ifd/atr.c#L26
Thank you.
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