arti/Estonian-ID-card-mobile-authenticator-POC
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Add a method for getting the authentication certificate (WIP).

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This commit is contained in:
Lemmo Lavonen 2021-10-12 00:36:08 +03:00
parent d2ad8920a1
commit 1c8a606376
1 changed files with 38 additions and 3 deletions
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41
MobileAuthApp/app/src/main/java/com/tarkvaraprojekt/mobileauthapp/NFC/Comms.java
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@ -373,10 +373,45 @@ public class Comms {
}
}
public byte[] getAuthenticationCertificate(String PIN1) throws NoSuchPaddingException, InvalidAlgorithmParameterException, NoSuchAlgorithmException, IllegalBlockSizeException, BadPaddingException, InvalidKeyException, IOException {
/**
* Retrieves the authentication certificate from the chip
*
* @return authentication certificate
*/
public byte[] getAuthenticationCertificate() throws NoSuchPaddingException, InvalidAlgorithmParameterException, NoSuchAlgorithmException, IllegalBlockSizeException, BadPaddingException, InvalidKeyException, IOException {
return new byte[0];
selectIASECCApplication();
byte[] APDU = createSecureAPDU(new byte[]{-83, -15}, selectFile);
byte[] response = idCard.transceive(APDU);
Log.i("Select AWP Application", Hex.toHexString(response));
APDU = createSecureAPDU(new byte[]{52, 1}, selectFile);
response = idCard.transceive(APDU);
Log.i("Select certificate", Hex.toHexString(response));
byte[] responses = new byte[0];
byte[] readCert = Arrays.copyOf(read, read.length);
for (int i = 0; i < 5; i++) {
readCert[2] = (byte) i;
APDU = createSecureAPDU(new byte[0], readCert);
response = idCard.transceive(APDU);
Log.i("Read certificate", Hex.toHexString(response));
if (!Hex.toHexString(response).substring(response.length * 2 - 4).equals("6b00")) {
byte[] decrypted = encryptDecryptData(Arrays.copyOfRange(response, 4, 244), Cipher.DECRYPT_MODE);
responses = Arrays.copyOf(responses, responses.length + decrypted.length);
System.arraycopy(decrypted, 0, responses, responses.length - decrypted.length, decrypted.length);
} else {
break;
}
}
Log.i("Certificate", new String(responses, StandardCharsets.UTF_8));
return responses;
}
}