OpenPGP card v2.1 and Cherry ST-2000U - Only 1024-bit keys are possible

[NIIBE Yutaka]

On 2015-09-16 at 11:18 +0200, Guan Xin wrote:
> "slot 0: ATR=3B DA 18 FF 81 B1 FE 75 1F 03 00 31 C5 73 C0 01 40 00 90 00 0C"

Thanks.  Timeout should be more than 13 second.  I'll use this value.

Reference:

    ccid-1.4.20/src/ifdhandler.c:T1_card_timeout
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