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Questions tagged [contactless-smartcard]

A contactless smartcard is a smartcard with a contactless communication interface in addition to or instead of a contact smartcard interface. Contactless smartcards are often used for ID documents and contactless payment cards (e.g. employee ID badges, electronic passports and ID cards and contactless credit/debit cards).

A contactless smartcard is a with a contactless communication interface in addition to or instead of a contact smartcard interface. Usually, the term "contactless smartcard" refers to a contactless transponder that adheres to the smartcard communication protocol standardized in ISO/IEC 7816-4 and that has a radio frequency interface according to ISO/IEC 14443. However, chip manufacturers sometimes also use the term "contactless smartcard" for contactless memory cards that have additional cryptographic and/or access control logic.

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how to read and write an unknown smartcard?

I bought a number of smart-cards which I believe are Gemalto products. Now I have these four ATRs (using ACR38 and ACR122U reader): 3B 8F 80 01 80 31 80 65 B0 85 02 02 ED 12 0F FF FF FF FF 9F 3B 7F 94 00 00 80 31 80 65 B0 85 02 02 ED 12 0F FF 82 90…
Ebrahim Ghasemi
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NFC card emulation

I would like to write an application where I can store NFC tag on my phone so that NFC readers can access it. For example storing a boarding card on phone so that it can be accessed by NFC reader at the airport. I guess it can be implemented beaming…
Androidme
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How can I write to a MIFARE Classic tag?

How can I write to a MIFARE Classic tag? I have written this code, but writeBlock results in the error "java.io.IOException: transceive failed". How can this be solved? MifareClassic mfc = MifareClassic.get(mytag); boolean auth =…
Luca
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Is possible to run code on a NFC card like Mifare DESfire?

I am very new to the smart cards and I think I have misunderstood some things. I want to be able to sign messages using ECDSA with the card's private key(s). Also have some custom logic for key derivation. Is it possible with Mifare DESFire? If not,…
John L. Jegutanis
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How detect when the phone enters into a nfc field using card emulation

I'm using a card emulation with a uicc SE (no HCE). My min api sdk is 17 and my target is 19. As I far i remember in Android 2.x was a intent that aware the app if the phone goes into a nfc field, something like FIELD_ON intent. ¿Is there anyhow…
ArturoNaredo
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Android: HCE of 14443 type A card

I'm trying to develop an application that uses Android NFC as smart card (Android 4.4.2 in HCE mode). I've read the guide about HCE on Android 4.4. I used the example along with the Android 4.4 SDK. But if try to read the HCE-emulated smart card…
Mitsus
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Web application accessing MIFARE cards with PHP

I want to develop a web application to read data from a MIFARE chip card. The idea is for a program of fidelization for a shop. Is possible to read the data from within a browser? How could this possibly work?
Stefania
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Read an unique ID from RFID card in Python

I have an OmniKey 5321 SmartCard reader, and a PC with Debian. The following Python code reads the cards: from smartcard.CardMonitoring import CardMonitor, CardObserver from smartcard.util import * import sys class printobserver( CardObserver ): …
Nagy Vilmos
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Application ID's for existing NFC reader infrastructure

I read through the Android docs which say that the application IDs (AIDs) for existing NFC reader infrastructures like for VISA and MASTERCARD are publicly known and registered, but I could not find them anywhere on the web. If anyone has found…
user2052129
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Problems with writing to sector trailer of Mifare Classic 1K card

I work with mifare classic 1k card and I have a trouble. I want to rewrite access bits of the sector 0x23. Now sector trailer contain these bytes: 42 5a a8 b7 10 84 17 80 fe 0b c9 1e 70 e2 ef b0, where Key A = 42 5a a8 b7 10 84 Key B = c9 1e 70 e2…
user1527208
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Getting TagLostException when sending SELECT PPSE command

I'm getting a tag lost exception when sending SELECT PPSE command using the tag's transceive method. The intent is passed to readTag and the method is getting the tag from the intent but calling the transceive method for the SELECT PPSE command APDU…
Saravana Cd
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how does nfc reader(acr122) detect my phone?

I buy ACR122U SDK that has a acr122 reader,cd and cards and I try to test it. the reader detect the cards by changing its LED light from red to green but when I take my phone (NFC is turned on) near the reader,there is nothing happen. How do I make…
Dexter Moregan
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Reading HID proxy card in Windows Store app

I'm trying a PoC where in I'm trying to authenticate a user based on their HID card value. I don't have any specific API for the reader. The reader outputs plain number of the card by keyboard emulation. The PoC permits a user to authenticate…
Anupdas
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ISO 15693: read multiple security blocks

I am trying to modify an existing SCardTransmit() command (C#) that currently reads one security status/block from a ISO 15693 vicinity RFID card (TI Tag-it HF), to one that will retrieve the security status for all 64 blocks on the card. The…
mikem419
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Communicate with ISO/IEC14443-3a (Layer3 exchange) for NFC exchange Mifare Plus card

I'm new in NFC development. I want to understand if there is a possibility to communicate with tags on ISO/IEC 14443-3A protocol layer (layer-3 exchange) and exchange command data with Mifare Classic and Plus cards? As Mifare Classic and Mifare PLus…
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