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Tazmania09

From the introduction page of JCOP J3D081 card(http://javacardos.com/store/jcop-card.php), I found this card support ECC and SHA256. Does this mean that the card also supports ECDSA signature mode such as ALG_ECDSA_SHA256?

Tazmania09

As we all know, GP keys offcard should be the same as the keys on card. Otherwise, you can't do any operation on your card. But I came across a strange thing. I used pyAPDUTool to operate my java card. And, my card's GP keys are as follows: S-ENC: 40 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4E 4F C-MA...

Tazmania09

One more question about muscle card!

I wonder if someone forget his pin, how does he reset the pin?

As far as I know, MscChangePin can do this but it requires the old pin which user doesn't remember.
So would anyone tell me how to reset pin?

Tazmania09

I am trying to import a key into a MUSCLE card. The operationg procedures are as follows: 1- Upload and install the muscle applet 2- Initialize the applet 3- Verify the pin 4- Create the object with id (FF FF FF FE): >>B0 5A 00 00 0E FF FF FF FE 00 00 00 44 00 00 00 00 00 00 00 <<90 00 5- Write into...

Tazmania09

I am finding JCOP cards or FEITIAN cards that are suitable for MuscleApplet. The CAP file size of this applet is about 40KB.
Which card product can be used for this? What parameter I should check for it? EEPROM or ROM?

Any suggestions?

Search found 25 matches

Implement ECDSA signature on J3D081

My cards can work with wrong GP keys, why?

For muscle card, how to reset PIN

How to import a key into MUSCLE card?

Suitable JCOP cards or FEITIAN cards for MUSCLE applet

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