Logical channels and secureChannel.resetSecurity();

Hi,
1- an external entity A selects an applet APP on logical channel 0 and establishes a secure channel.
2- another external entiry B selects the same applet on channel 1 without establishing a secure channel.
3- B exchanges a few commands and responses with the APP.
4- The execution of the commands in (3) leads to calling secureChannel.resetSecurity() within APP.
5- secureChannel.resetSecurity() returns the error code 6985 which means conditions of use not satisfied.
It looks like the secure channel that was established when the APP was selected through the logical channel 0, cannot be reset while the APP is selected on a different logical channel.
Has anyone faced this situation before? Any ideas how to reset the secure channel under the described circumstances?
Thanks in advance,
Hugo

Hi,
Logical channel 0 is the basic channel. Have you tried having all host applications on a logical channel other than 0?
As a rule, we only ever used GP secure channel to secure card issuance/updates or to secure updating the main transport key on the card (the private key had to be encrypted). These actions only ever had one channel to the card open. All other communication was done through a secure channel that was handled by the applet (AES based) that did not rely on the card platform keys so this wasn't an issue in our case.
Cheers,
Shane

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Logical Channels and Opening An Application

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Thanks for your response.
Yes I'm sure the card supports multiple logical channels, I've checked the historical bytes, and am able to open the number of logical channels the historical bytes say I should.
I can select other applications on the new logical channel and send commands to them, that works fine. When selecting a secured application, it fails with error code. In particular, I'm trying to select the card manage application, and that fails. Although this shouldn't be necessary, I make sure the basic channel doesn't have the card manager selected also:
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Warm Reset Card
Open Logical Channel 1
Command: 00 70 00 01
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please, do current models of JCOP cards support supplementary logical channels ? I have found on forums infos saying both yes and no.
So maybe in earlier years, there was no support, now there is some.
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PeterCZ wrote:
please, do current models of JCOP cards support supplementary logical channels ? I have found on forums infos saying both yes and no.
So maybe in earlier years, there was no support, now there is some.
I have found this post, which may clarify it a little bit:
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However I don't know how to set the JCRE_MODE flags and what they are. I couldn't find any info on them.
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Hello !!!
Now I studying the Java Card and ISO7816...
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I can't understand the logical channel....
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um...sorry for my enlish is poor.....

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Logical channels and secureChannel.resetSecurity();

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