Cheapest JCOP JavaCard vendor that does not require buying their SDK?

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We want to try several experiments with JCOP JavaCard programming. What is the cheapest JavaCard / Development Kit option? I do not mind paying for the card reader and cards. What I try to avoid is paying for the (potentially expensive) vendor SDK for that card. So we need some JCOP card that could be used with free SDK from Oracle / GlobalPlatform. Please advice!

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Assuming that you need contactless NFC card to communicate with smartphone over NFC, it appears that this card is one of the cheapest options available that fits your requirements:

NXP J3A040 CL

It costs about $6.50 per unit, runs reasonably recent version of JavaCard and GlobalPlatform. Need to get more info about the following:

  • what kind of crypto algorithms are supported
  • how good is their random number generator
  • what levels it has been certified for (Common Criteria, EMV, etc)

From the page 10 of this document from NXP website we have the following specs for J3A040 CL card:

enter image description here

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Another card suggestion:

NXP JCOP CJ3A081 (NFC) - need to dig its specs ....

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