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I'm using the javacard Thales IDCore 140C supporting Javacard 3.1 and extended apdu. and my applet implements ExtendedLength: public class crypto_applet extends Applet implements ExtendedLength { ...
Etantonio's user avatar
  • 413
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0 answers
73 views

I am currently developing two Android applications: one that implements Host Card Emulation (HCE) to store specific text data (let's call it the Card App), and another NFC application (let's call it ...
1 vote
1 answer
78 views

I can't figure out why my applet returns 6700 in response to the command 00 40 00 00 0A 0102030405060708090A. 00 - CLA, 40 - INS, 00 00 - P1 and P2, 0A - Lc, 0102030405060708090A - Data If I ...
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0 answers
485 views

I am using NFC technology in android project. I am going to create a Tap to pay feature in my android app. I have implemented some required steps into my app such as permissions, intent filters and ...
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0 answers
173 views

I am developing an app on arduino UNO using PN532 to read Google wallet passes via APDU commands. As a reference I am using Google-smart-tap On the first command (SELECT VAS APPLET), I get a response ...
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0 answers
263 views

I am trying to read cards using an Omnikey 5422 Similar to the question posted here. First, how do I determine if the card is Visa or Mastercard or some other card? All the links say that further ...
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2 answers
177 views

I'm working with a MasterCard EMV Contactless card. I've selected the MasterCard application (AID A0000000041010) with success (9000). The card responds to the SELECT APPLICATION command as follows: ...
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1 answer
68 views

I have to read ICCID from cards and compare them if they are included in a shipment or not. I get a list of ICCID which should be includet in the shippment to sort out wrong cards. Now as I tested ...
Chaos's user avatar
  • 23
1 vote
2 answers
249 views

Trying to send GPO with a ACR39U card reader fails with an error code of 87 (0x57), INVALID_PARAMETERS, works with other card readers. It's also working with the SELECT and READ RECORD. Here's my APDU ...
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3 answers
170 views

I am encountering an issue when trying to write to a Data Group (DG) that I have secured with PACE. Here is the context: The DG is protected for both reading and writing with PACE. I am able to read ...
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1 answer
152 views

I am writing to an 8K MIFARE EV1 card. Once the file is created, when I retrieve the file configuration (F5), it returns 00 00 EE EE 00 0F 00. Then, I attempt to write to the card with the following ...
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1 answer
159 views

I'm in the process of building a tool to sign cryptocurrency transactions with my Yubikey. For that I need to sign arbitrary data using the SHA512 digest algo on the secp256k1 curve. I dug out the ...
1 vote
1 answer
280 views

I use: Gemalto IDBridge K30 Windows 10 Delphi Chilkat Delphi DLL I need to get ICCID out of a SmartCard, but when I use TransmitHex() from Chilkat DLL I always get the error code: 0x8010002f First ...
Chaos's user avatar
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-1 votes
1 answer
235 views

I'm developing an app in Flutter to clock in and clock out from work with only tablet ora smartphones, for privacy and security reasons i need to use NFC and not Bluetooth or Wifi. I decided to ...
Simone's user avatar
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0 answers
115 views

I am currently working on a project where I need to translate a C# method to code compatible with Android . Unfortunately, I am facing some difficulties and would like to know if anyone is familiar ...

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