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

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What is the use case of DAP Verification/Mandated DAP Verification in Global Platform card specifica...

Android NFC IsoDep read file content...

Problem using ExtendedLength APDUs on Javacard supporting Javacard 3.1...

EMV Secure Messaging...

Java Card applet returns 6700, I can't figure out why...

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Write in a emulated card Android HCE (Host card Emulation)...

How to know if a SCard includes extra digit in hexa or not?...

SCardTransmit returns 87 (0x57), don't know what's wrong. SCardTransmit works with SELECT an...

Android interact with SIM javacard 2.x applet...

Reading public data of EMV card...

DESFire ev1 write data command fails with 917D (PERMISSION_DENIED)...

Mifare 1K write block but cannot read value block...

Send APDU commands to SIM card in android 11...

Signing raw SHA512 digest on my Yubikey - Returns invalid signature...

Unknown APDU command starting with 1x...

SELECT APDU command on PN532 is not working...

Android application to mimic a physical RFID card...

Recovering an ECPublicKey from Java to JavaCard...

C# Secure Messaging decryption method...

Writing NDEF message as raw binary...

Secure Messaging Implementation in C#...

Error 69 82 when doing APDU verify instruction with biometric...

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Reading the challenge nonce of a Mifare Classic 1k tag...

Mifare 1K writing data in two blocks...