arti/Estonian-ID-card-mobile-authenticator-POC
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This commit is contained in:
Lemmo Lavonen 2021-10-14 19:50:53 +03:00
parent 824d33d635
commit 850ab8fc66
1 changed files with 21 additions and 51 deletions
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72
MobileAuthApp/app/src/main/java/com/tarkvaraprojekt/mobileauthapp/NFC/Comms.java
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@ -30,65 +30,35 @@ import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.SecretKeySpec;
public class Comms {
private static final byte[] selectMaster = { // select IAS-ECC
0, -92, 4, 12, 16, -96, 0, 0, 0, 119, 1, 8, 0, 7, 0, 0, -2, 0, 0, 1, 0
};
private static final byte[] MSESetAT = { // manage security environment: set authentication template
0, 34, -63, -92, 15, -128, 10, 4, 0, 127, 0, 7, 2, 2, 4, 2, 4, -125, 1, 2, 0
};
private static final byte[] selectMaster = Hex.decode("00a4040c10a000000077010800070000fe00000100");
private static final byte[] GAGetNonce = { // general authenticate: get nonce
16, -122, 0, 0, 2, 124, 0, 0
};
private static final byte[] MSESetAT = Hex.decode("0022c1a40f800a04007f0007020204020483010200");
private static final byte[] GAMapNonceIncomplete = {
16, -122, 0, 0, 69, 124, 67, -127, 65
};
private static final byte[] GAGetNonce = Hex.decode("10860000027c0000");
private static final byte[] GAKeyAgreementIncomplete = {
16, -122, 0, 0, 69, 124, 67, -125, 65
};
private static final byte[] GAMapNonceIncomplete = Hex.decode("10860000457c438141");
private static final byte[] GAMutualAuthenticationIncomplete = {
0, -122, 0, 0, 12, 124, 10, -123, 8
};
private static final byte[] GAKeyAgreementIncomplete = Hex.decode("10860000457c438341");
private static final byte[] dataForMACIncomplete = {
127, 73, 79, 6, 10, 4, 0, 127, 0, 7, 2, 2, 4, 2, 4, -122, 65
};
private static final byte[] GAMutualAuthenticationIncomplete = Hex.decode("008600000c7c0a8508");
private static final byte[] selectMasterSecure = {
12, -92, 4, 12, 45, -121, 33, 1
};
private static final byte[] dataForMACIncomplete = Hex.decode("7f494f060a04007f000702020402048641");
private static final byte[] IASECCAID = { // Identification Authentication Signature - European Citizen Card Application Identifier
-96, 0, 0, 0, 119, 1, 8, 0, 7, 0, 0, -2, 0, 0, 1, 0
};
private static final byte[] selectFile = Hex.decode("0ca4010c1d871101");
private static final byte[] selectFile = { //
12, -92, 1, 12, 29, -121, 17, 1
};
private static final byte[] readFile = Hex.decode("0cb000000d970100");
private static final byte[] read = {
12, -80, 0, 0, 13, -105, 1, 0
};
private static final byte[] verifyPIN1 = Hex.decode("0c2000011d871101");
private static final byte[] verifyPIN1 = {
12, 32, 0, 1, 29, -121, 17, 1
};
private static final byte[] verifyPIN2 = {
12, 32, 0, -123, 29, -121, 17, 1
};
private static final byte[] IASECCFID = {63, 0};
private static final byte[] personalDF = {80, 0};
private static final byte[] AWP = {-83, -15};
private static final byte[] QSCD = {-83, -14};
private static final byte[] authCert = {52, 1};
private static final byte[] signCert = {52, 31};
private static final byte[] verifyPIN2 = Hex.decode("0c2000851d871101");
private static final byte[] IASECCFID = {0x3f, 0x00};
private static final byte[] personalDF = {0x50, 0x00};
private static final byte[] AWP = {(byte) 0xad, (byte) 0xf1};
private static final byte[] QSCD = {(byte) 0xad, (byte) 0xf2};
private static final byte[] authCert = {0x34, 0x01};
private static final byte[] signCert = {0x34, 0x1f};
private final IsoDep idCard;
private final byte[] keyEnc;
@ -241,7 +211,7 @@ public class Comms {
*/
private byte[] readFile(byte[] FID, String info) throws NoSuchPaddingException, InvalidKeyException, NoSuchAlgorithmException, IllegalBlockSizeException, BadPaddingException, InvalidAlgorithmParameterException, IOException {
selectFile(FID, info);
byte[] APDU = createSecureAPDU(new byte[0], read);
byte[] APDU = createSecureAPDU(new byte[0], readFile);
byte[] response = idCard.transceive(APDU);
Log.i("Read binary", Hex.toHexString(response));
if (response[response.length - 2] != -112 || response[response.length - 1] != 0) {
@ -300,7 +270,7 @@ public class Comms {
if (encryptedData.length > 0) {
System.arraycopy(encryptedData, 0, APDU, incomplete.length, encryptedData.length);
}
System.arraycopy(new byte[]{-114, 8}, 0, APDU, incomplete.length + encryptedData.length, 2); // MAC is encapsulated using the tag 0x8E
System.arraycopy(new byte[]{(byte) 0x8E, 0x08}, 0, APDU, incomplete.length + encryptedData.length, 2); // MAC is encapsulated using the tag 0x8E
System.arraycopy(MAC, 0, APDU, incomplete.length + encryptedData.length + 2, MAC.length);
ssc++;
return APDU;
@ -368,7 +338,7 @@ public class Comms {
}
// pad the PIN and use the chip for verification
byte[] paddedPIN1 = new byte[]{-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1};
byte[] paddedPIN1 = Hex.decode("ffffffffffffffffffffffff");
System.arraycopy(PIN, 0, paddedPIN1, 0, PIN.length);
byte[] APDU = createSecureAPDU(paddedPIN1, oneOrTwo ? verifyPIN1 : verifyPIN2);
byte[] response = idCard.transceive(APDU);
@ -400,7 +370,7 @@ public class Comms {
selectFile(authOrSign ? authCert : signCert, "the certificate");
byte[] certificate = new byte[0];
byte[] readCert = Arrays.copyOf(read, read.length);
byte[] readCert = Arrays.copyOf(readFile, readFile.length);
// Construct the certificate byte array n=indexOfTerminator bytes at a time
for (int i = 0; i < 16; i++) {