NFC Tag-4 protocol questions...

Could not download applet (.cap file) into the smart card: SW 6D 00 (Invalid Instruction)...

How to establish a TLS coonection in TLS-PSK mode between a USIM sim card as client and a server?...

How to segment command script that is too big to fit into one transport APDU...

How can I send my public key in an APDU (Javacard)?...

EMV - Unable to Generate AC command from CDOL1...

How can I generate an MD5 hash on Java Card 2.2.1?...

GET PROCESSING OPTIONS returns 6984 code unexpectedly on a Visa contactless card...

Sign App with UICC Carrier Privileges Certificates...

ACR1252 Load Authentication FF 82 fails with 63 00...

Send APDU commands to simcard through SIM900 module...

Can I perform concurrent actions on an ISO 7816 card?...

How can I check INITIALIZE UPDATE and EXTERNAL AUTHENTICATE correctness?...

Card responds with 6985...

Is it necessary to have the payment app running to do HCE transactions?...

Javacard security for viewving applet with gp...

Which APDU to use to read/write records on MIFARE Ultralight NFC tag?...

Extract names from PIV smartcard...

Trying to read data from National eID (T=0) using ICAO 9303 BAC...

How to compute a digital signature on a Smartcard?...

Digital signatures with inserted private key to smart card...

Reset Retry Counter, error: "6d00" -> Instruction code not supported or invalid...

UICC: How to change ARA?...

NXP NTAG 424: write command returns 917E: "Length Error"". Why?...

Do I have to know what the AID of a card is for card emulation with Android HCE?...

Is that possible for an applet to install another applet or to send APDUs?...

Java Card: How to load SIM applet to real smart card?...

How to obtain PAN(Primary Account Number) from a debit/credit smart card...

Is it possible to calculate Card Cryptogram manually on EMV Card?...

How to exchange APDUs without rooting the device?...