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Qs about MANAGE CHANNEL Command

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gorgekin
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Qs about MANAGE CHANNEL Command

Post by gorgekin » Wed Dec 09, 2015 11:48 pm

I know that MANAGE CHANNEL Command is used to close and open a logical channel.

Close a logical channel command:
00 70 80 XX (i.e. 01 02 03)

Open a logical channel command:
00 70 00 XX 00 (i.e. 00)

As far as I know, the only open logical channel by default is Basic channel.

Qs:
1. When and where must I use MANAGE CHANNEL Command?
2. When I send SELECT APDU through a close logical channel, will it open automatically or should I open it first?

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mabel
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Re: Qs about MANAGE CHANNEL Command

Post by mabel » Wed Dec 16, 2015 2:30 am

A2: As far as I know, SELECT is defined to be an alternative for opening a logical channel

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