Theo Franzén Franzaine
Franzaine
/ MainActivity.java
Created
October 15, 2015 12:24
Offer user to install applet if applet select failed
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| byte[] response = isoCard.transceive(Apdu.select(APPLICATION_ID, APP_VERSION)); | |
| if (Apdu.hasStatus(response, Apdu.OK_APDU)) { | |
| /* ... */ | |
| } else { | |
| setMainMessage("Select not OK"); | |
| setMainMessage(R.string.cardlet_not_installed); | |
| installButton.setVisibility(View.VISIBLE); | |
| } |
Franzaine
/ MainActivity.java
Created
October 15, 2015 12:17
Parse readable response from APDU response
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| /* ... */ | |
| byte[] response = isoCard.transceive(Apdu.select(APPLICATION_ID, APP_VERSION)); | |
| if (Apdu.hasStatus(response, Apdu.OK_APDU)) { | |
| setMainMessage("Select OK"); | |
| byte[] payload = Apdu.responseData(response); | |
| String printableResponse = new String(); | |
| for (int i=0; i<payload.length; i++) printableResponse += (char)payload[i]; | |
| setMainMessage(printableResponse); | |
| } else { |
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| private void communicateWithCard(IsoCard isoCard) { | |
| try { | |
| isoCard.connect(); | |
| byte[] response = isoCard.transceive(Apdu.select(APPLICATION_ID, APP_VERSION)); | |
| if (Apdu.hasStatus(response, Apdu.OK_APDU)) { | |
| setMainMessage("Select OK"); | |
| } else { | |
| setMainMessage("Select not OK"); | |
| } | |
| isoCard.close(); |
Franzaine
/ MainActivity.java
Last active
October 15, 2015 11:50
Connecting to the card, selecting the Hello Fidesmo! applet and closing the connection
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| @Override | |
| public void tagDiscovered(Tag tag) { | |
| setMainMessage("Reading card..."); | |
| try { | |
| IsoCard isoCard = AndroidCard.get(tag); | |
| communicateWithCard(isoCard); | |
| } catch(IOException e) { | |
| e.printStackTrace(); | |
| } | |
| } |
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| @Override | |
| public void tagDiscovered(Tag tag) { | |
| Log.v("MainActivity", "Card detected on the NFC interface!"); | |
| try { | |
| IsoCard isoCard = AndroidCard.get(tag); | |
| } catch(IOException e) { | |
| e.printStackTrace(); | |
| } | |
| } |
Franzaine
/ MainActivity.java
Last active
October 15, 2015 14:56
Using Nordpol to enable and disable exclusive NFC for our app
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| @Override | |
| protected void onResume() { | |
| super.onResume(); | |
| tagDispatcher = TagDispatcher.get(this, this); | |
| tagDispatcher.enableExclusiveNfc(); | |
| } | |
| @Override | |
| public void onPause() { | |
| super.onPause(); |
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| protected void communicateWithCard(IsoCard isoCard) { | |
| try { | |
| isoCard.connect(); | |
| Apdu.transceiveAndRequireOk(Apdu.select(OTP_AID), isoCard); | |
| setMainMessage("Select OK"); | |
| long timeStamp = getTimeStamp(); | |
| byte[] totpCodeApdu = Otp.totpCodeApdu(TOTP_CODE_NAME, timeStamp); | |
| byte[] rawTotpCode = Apdu.transceiveAndGetResponse(totpCodeApdu, isoCard, Otp.SEND_REMAINING_APDU); | |
| if(Apdu.hasStatus(rawTotpCode, Apdu.OK_APDU)){ | |
| String totpCode = Otp.decipherTotpCode(rawTotpCode); |
Franzaine
/ MainActivity.java
Created
October 11, 2015 20:42
Ask card for TOTP code and receive response
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| protected void communicateWithCard(IsoCard isoCard) { | |
| try { | |
| isoCard.connect(); | |
| Apdu.transceiveAndRequireOk(Apdu.select(OTP_AID), isoCard); | |
| setMainMessage("Select OK"); | |
| long timeStamp = getTimeStamp(); | |
| byte[] totpCodeApdu = Otp.totpCodeApdu(TOTP_CODE_NAME, timeStamp); | |
| byte[] rawTotpCode = Apdu.transceiveAndGetResponse(totpCodeApdu, isoCard, Otp.SEND_REMAINING_APDU); | |
| isoCard.close(); | |
| } catch (IOException e) { |
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| protected void communicateWithCard(IsoCard isoCard) { | |
| try { | |
| isoCard.connect(); | |
| Apdu.transceiveAndRequireOk(Apdu.select(OTP_AID), isoCard); | |
| setMainMessage("Select OK"); | |
| long timeStamp = getTimeStamp(); | |
| byte[] totpCodeApdu = Otp.totpCodeApdu(TOTP_CODE_NAME, timeStamp); | |
| isoCard.close(); | |
| } catch (IOException e) { | |
| e.printStackTrace(); |
Franzaine
/ MainActivity.java
Created
October 11, 2015 19:55
Connecting to the card, selecting the OTP applet and closing the connection
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| @Override | |
| public void tagDiscovered(Tag tag) { | |
| setMainMessage("Reading card..."); | |
| try { | |
| IsoCard isoCard = AndroidCard.get(tag); | |
| communicateWithCard(isoCard); | |
| } catch(IOException e) { | |
| e.printStackTrace(); | |
| } | |
| } |
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