Supplementary logical channels and R-MAC on JCOP cards

Hi,
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:
All JCOP products have by default only the basic logical channel enabled. The reason is that it shall be GP compliant, and GP spec says that the CardManager must be multiple selectable if multiple logical channels are supported. The CM in JCOP is not multi selectable. If you don't care about GP compliancy (at least on this issue), you can set up to 4 logical channels during pre-perso (JCRE_MODE, two lowest bits).
However I don't know how to set the JCRE_MODE flags and what they are. I couldn't find any info on them.
Where are they located and described ? Which APDU command should I use to set them, and with which parameters ?
And a short second question - are there any JCOP cards, which support R-MAC, when communicating with the card manager ?
Thanks a lot,
Peter

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:
All JCOP products have by default only the basic logical channel enabled. The reason is that it shall be GP compliant, and GP spec says that the CardManager must be multiple selectable if multiple logical channels are supported. The CM in JCOP is not multi selectable. If you don't care about GP compliancy (at least on this issue), you can set up to 4 logical channels during pre-perso (JCRE_MODE, two lowest bits).
However I don't know how to set the JCRE_MODE flags and what they are. I couldn't find any info on them.
Where are they located and described ? Which APDU command should I use to set them, and with which parameters ?JCOP supports supplementary logical channels, but it is switched off by NXP during production and can be re-enabled during pre-personalization (JCOP proprietary process). In order to do that, you need unfused cards and the corresponding transport key from NXP.
And a short second question - are there any JCOP cards, which support R-MAC, when communicating with the card manager ?No, JCOP does not support RMAC. Tell me a good reason why it should. I cannot think of any GP commands which would be worth protecting the response.

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Supplementary logical channels and R-MAC on JCOP cards

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