arti/Estonian-ID-card-mobile-authenticator-POC
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Merge remote-tracking branch 'origin/authJWT' into MOB-42

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TanelOrumaa 2021-11-07 13:30:09 +02:00
commit 44469b8533
3 changed files with 221 additions and 111 deletions
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344
MobileAuthApp/app/src/main/java/com/tarkvaraprojekt/mobileauthapp/NFC/Comms.java
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@ -30,47 +30,43 @@ import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.SecretKeySpec; import javax.crypto.spec.SecretKeySpec;
public class Comms { public class Comms {
private static final byte[] master = { // select Main AID
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 private static final byte[] selectMaster = Hex.decode("00a4040c10a000000077010800070000fe00000100");
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[] GAGetNonce = { // general authenticate: get nonce private static final byte[] MSESetAT = Hex.decode("0022c1a40f800a04007f0007020204020483010200");
16, -122, 0, 0, 2, 124, 0, 0
};
private static final byte[] GAMapNonceIncomplete = { private static final byte[] GAGetNonce = Hex.decode("10860000027c0000");
16, -122, 0, 0, 69, 124, 67, -127, 65
};
private static final byte[] GAKeyAgreementIncomplete = { private static final byte[] GAMapNonceIncomplete = Hex.decode("10860000457c438141");
16, -122, 0, 0, 69, 124, 67, -125, 65
};
private static final byte[] GAMutualAuthenticationIncomplete = { private static final byte[] GAKeyAgreementIncomplete = Hex.decode("10860000457c438341");
0, -122, 0, 0, 12, 124, 10, -123, 8
};
private static final byte[] dataForMACIncomplete = { private static final byte[] GAMutualAuthenticationIncomplete = Hex.decode("008600000c7c0a8508");
127, 73, 79, 6, 10, 4, 0, 127, 0, 7, 2, 2, 4, 2, 4, -122, 65
};
private static final byte[] masterSec = { private static final byte[] dataForMACIncomplete = Hex.decode("7f494f060a04007f000702020402048641");
12, -92, 4, 12, 45, -121, 33, 1
};
private static final byte[] personal = { // select personal data DF private static final byte[] selectFile = Hex.decode("0ca4010c1d871101");
12, -92, 1, 12, 29, -121, 17, 1
};
private static final byte[] read = { // read binary private static final byte[] readFile = Hex.decode("0cb000000d970100");
12, -80, 0, 0, 13, -105, 1, 0
};
private IsoDep idCard; private static final byte[] verifyPIN1 = Hex.decode("0c2000011d871101");
private static final byte[] verifyPIN2 = Hex.decode("0c2000851d871101");
private static final byte[] MSESetEnv = Hex.decode("0c2241A41d871101");
private static final byte[] Env = Hex.decode("8004FF200800840181");
private static final byte[] InternalAuthenticate = Hex.decode("0c8800001d871101");
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; private final byte[] keyEnc;
private final byte[] keyMAC; private final byte[] keyMAC;
private byte ssc; // Send sequence counter. private byte ssc; // Send sequence counter.
@ -84,21 +80,12 @@ public class Comms {
public Comms(IsoDep idCard, String CAN) throws IOException, NoSuchPaddingException, InvalidKeyException, NoSuchAlgorithmException, IllegalBlockSizeException, BadPaddingException, InvalidAlgorithmParameterException { public Comms(IsoDep idCard, String CAN) throws IOException, NoSuchPaddingException, InvalidKeyException, NoSuchAlgorithmException, IllegalBlockSizeException, BadPaddingException, InvalidAlgorithmParameterException {
idCard.connect(); idCard.connect();
this.idCard = idCard; this.idCard = idCard;
byte[][] keys = PACE(CAN.getBytes(StandardCharsets.UTF_8));
long start = System.currentTimeMillis();
byte[][] keys = PACE(CAN);
Log.i("Pace duration", String.valueOf(System.currentTimeMillis() - start));
keyEnc = keys[0]; keyEnc = keys[0];
keyMAC = keys[1]; keyMAC = keys[1];
} }
public byte[] getAuthenticationCertificate() {
return new byte[0];
}
/** /**
* Calculates the message authentication code * Calculates the message authentication code
* *
@ -151,40 +138,51 @@ public class Comms {
* @param CAN the card access number provided by the user * @param CAN the card access number provided by the user
* @return the decrypted nonce * @return the decrypted nonce
*/ */
private byte[] decryptNonce(byte[] encryptedNonce, String CAN) throws NoSuchPaddingException, InvalidKeyException, NoSuchAlgorithmException, IllegalBlockSizeException, BadPaddingException, InvalidAlgorithmParameterException { private byte[] decryptNonce(byte[] encryptedNonce, byte[] CAN) throws NoSuchPaddingException, InvalidKeyException, NoSuchAlgorithmException, IllegalBlockSizeException, BadPaddingException, InvalidAlgorithmParameterException {
byte[] decryptionKey = createKey(CAN.getBytes(StandardCharsets.UTF_8), (byte) 3); byte[] decryptionKey = createKey(CAN, (byte) 3);
Cipher cipher = Cipher.getInstance("AES/CBC/NoPadding"); Cipher cipher = Cipher.getInstance("AES/CBC/NoPadding");
cipher.init(Cipher.DECRYPT_MODE, new SecretKeySpec(decryptionKey, "AES"), new IvParameterSpec(new byte[16])); cipher.init(Cipher.DECRYPT_MODE, new SecretKeySpec(decryptionKey, "AES"), new IvParameterSpec(new byte[16]));
return cipher.doFinal(encryptedNonce); return cipher.doFinal(encryptedNonce);
} }
/**
* Communicates with the card and logs the response
*
* @param APDU The command
* @param log Information for logging
* @return The response
*/
private byte[] getResponse(byte[] APDU, String log) throws IOException {
byte[] response = idCard.transceive(APDU);
if (response[response.length - 2] != (byte) 0x90 || response[response.length - 1] != 0x00) {
throw new RuntimeException(String.format("%s failed.", log));
}
Log.i(log, Hex.toHexString(response));
return response;
}
/** /**
* Attempts to use the PACE protocol to create a secure channel with an Estonian ID-card * Attempts to use the PACE protocol to create a secure channel with an Estonian ID-card
* *
* @param CAN the card access number * @param CAN the card access number
*/ */
private byte[][] PACE(String CAN) throws IOException, NoSuchPaddingException, InvalidAlgorithmParameterException, NoSuchAlgorithmException, IllegalBlockSizeException, BadPaddingException, InvalidKeyException { private byte[][] PACE(byte[] CAN) throws IOException, NoSuchPaddingException, InvalidAlgorithmParameterException, NoSuchAlgorithmException, IllegalBlockSizeException, BadPaddingException, InvalidKeyException {
// select the ECC applet on the chip // select the IAS-ECC application on the chip
byte[] response = idCard.transceive(master); getResponse(selectMaster, "Select the master application");
Log.i("Select applet", Hex.toHexString(response));
// initiate PACE // initiate PACE
response = idCard.transceive(MSESetAT); getResponse(MSESetAT, "Set authentication template");
Log.i("Authentication template", Hex.toHexString(response));
// get nonce // get nonce
response = idCard.transceive(GAGetNonce); byte[] response = getResponse(GAGetNonce, "Get nonce");
Log.i("Get nonce", Hex.toHexString(response));
byte[] decryptedNonce = decryptNonce(Arrays.copyOfRange(response, 4, response.length - 2), CAN); byte[] decryptedNonce = decryptNonce(Arrays.copyOfRange(response, 4, response.length - 2), CAN);
// generate an EC keypair and exchange public keys with the chip // generate an EC keypair and exchange public keys with the chip
ECNamedCurveParameterSpec spec = ECNamedCurveTable.getParameterSpec("secp256r1"); ECNamedCurveParameterSpec spec = ECNamedCurveTable.getParameterSpec("secp256r1");
BigInteger privateKey = new BigInteger(255, new SecureRandom()).add(BigInteger.ONE); // should be in [1, spec.getN()-1], but this is good enough for this application BigInteger privateKey = new BigInteger(255, new SecureRandom()).add(BigInteger.ONE); // should be in [1, spec.getN()-1], but this is good enough for this application
ECPoint publicKey = spec.getG().multiply(privateKey).normalize(); ECPoint publicKey = spec.getG().multiply(privateKey).normalize();
byte[] APDU = createAPDU(GAMapNonceIncomplete, publicKey.getEncoded(false), 66); response = getResponse(createAPDU(GAMapNonceIncomplete, publicKey.getEncoded(false), 66), "Map nonce");
response = idCard.transceive(APDU);
Log.i("Map nonce", Hex.toHexString(response));
ECPoint cardPublicKey = spec.getCurve().decodePoint(Arrays.copyOfRange(response, 4, 69)); ECPoint cardPublicKey = spec.getCurve().decodePoint(Arrays.copyOfRange(response, 4, 69));
// calculate the new base point, use it to generate a new keypair, and exchange public keys // calculate the new base point, use it to generate a new keypair, and exchange public keys
@ -192,35 +190,41 @@ public class Comms {
ECPoint mappedECBasePoint = spec.getG().multiply(new BigInteger(1, decryptedNonce)).add(sharedSecret).normalize(); ECPoint mappedECBasePoint = spec.getG().multiply(new BigInteger(1, decryptedNonce)).add(sharedSecret).normalize();
privateKey = new BigInteger(255, new SecureRandom()).add(BigInteger.ONE); privateKey = new BigInteger(255, new SecureRandom()).add(BigInteger.ONE);
publicKey = mappedECBasePoint.multiply(privateKey).normalize(); publicKey = mappedECBasePoint.multiply(privateKey).normalize();
APDU = createAPDU(GAKeyAgreementIncomplete, publicKey.getEncoded(false), 66); response = getResponse(createAPDU(GAKeyAgreementIncomplete, publicKey.getEncoded(false), 66), "Key agreement");
response = idCard.transceive(APDU);
Log.i("Key agreement", Hex.toHexString(response));
cardPublicKey = spec.getCurve().decodePoint(Arrays.copyOfRange(response, 4, 69)); cardPublicKey = spec.getCurve().decodePoint(Arrays.copyOfRange(response, 4, 69));
// generate the session keys and exchange MACs to verify them // generate the session keys and exchange MACs to verify them
sharedSecret = cardPublicKey.multiply(privateKey).normalize(); byte[] secret = cardPublicKey.multiply(privateKey).normalize().getAffineXCoord().getEncoded();
byte[] encodedSecret = sharedSecret.getAffineXCoord().getEncoded(); byte[] keyEnc = createKey(secret, (byte) 1);
byte[] keyEnc = createKey(encodedSecret, (byte) 1); byte[] keyMAC = createKey(secret, (byte) 2);
byte[] keyMAC = createKey(encodedSecret, (byte) 2); byte[] MAC = getMAC(createAPDU(dataForMACIncomplete, cardPublicKey.getEncoded(false), 65), keyMAC);
APDU = createAPDU(dataForMACIncomplete, cardPublicKey.getEncoded(false), 65); response = getResponse(createAPDU(GAMutualAuthenticationIncomplete, MAC, 9), "Mutual authentication");
byte[] MAC = getMAC(APDU, keyMAC);
APDU = createAPDU(GAMutualAuthenticationIncomplete, MAC, 9);
response = idCard.transceive(APDU);
Log.i("Mutual authentication", Hex.toHexString(response));
// if the chip-side verification fails, crash and burn // verify chip's MAC and return session keys
if (response.length == 2) throw new RuntimeException("Invalid CAN."); MAC = getMAC(createAPDU(dataForMACIncomplete, publicKey.getEncoded(false), 65), keyMAC);
// otherwise verify chip's MAC and return session keys
APDU = createAPDU(dataForMACIncomplete, publicKey.getEncoded(false), 65);
MAC = getMAC(APDU, keyMAC);
if (!Hex.toHexString(response, 4, 8).equals(Hex.toHexString(MAC))) { if (!Hex.toHexString(response, 4, 8).equals(Hex.toHexString(MAC))) {
throw new RuntimeException("Could not verify chip's MAC."); // Should never happen. throw new RuntimeException("Could not verify chip's MAC."); // *Should* never happen.
} }
return new byte[][]{keyEnc, keyMAC}; return new byte[][]{keyEnc, keyMAC};
} }
/**
* Selects a file and reads its contents
*
* @param FID file identifier of the required file
* @param info string for logging
* @return decrypted file contents
*/
private byte[] readFile(byte[] FID, String info) throws NoSuchPaddingException, InvalidKeyException, NoSuchAlgorithmException, IllegalBlockSizeException, BadPaddingException, InvalidAlgorithmParameterException, IOException {
selectFile(FID, info);
byte[] response = getResponse(new byte[0], readFile, "Read binary");
if (response[response.length - 2] != (byte) 0x90 || response[response.length - 1] != 0x00) {
throw new RuntimeException(String.format("Could not read %s", info));
}
return encryptDecryptData(Arrays.copyOfRange(response, 3, 19), Cipher.DECRYPT_MODE);
}
/** /**
* Encrypts or decrypts the APDU data * Encrypts or decrypts the APDU data
* *
@ -255,74 +259,180 @@ public class Comms {
byte[] macData = new byte[data.length > 0 ? 48 + length : 48]; byte[] macData = new byte[data.length > 0 ? 48 + length : 48];
macData[15] = ssc; // first block contains the ssc macData[15] = ssc; // first block contains the ssc
System.arraycopy(incomplete, 0, macData, 16, 4); // second block has the command System.arraycopy(incomplete, 0, macData, 16, 4); // second block has the command
macData[20] = -128; // elements are terminated by 0x80 and zero-padded to the next block macData[20] = (byte) 0x80; // elements are terminated by 0x80 and zero-padded to the next block
System.arraycopy(incomplete, 5, macData, 32, 3); // third block contains appropriately encapsulated data/Le System.arraycopy(incomplete, 5, macData, 32, 3); // third block contains appropriately encapsulated data/Le
if (data.length > 0) { // if the APDU has data, add padding and encrypt it if (data.length > 0) { // if the APDU has data, add padding and encrypt it
byte[] paddedData = Arrays.copyOf(data, length); byte[] paddedData = Arrays.copyOf(data, length);
paddedData[data.length] = -128; paddedData[data.length] = (byte) 0x80;
encryptedData = encryptDecryptData(paddedData, Cipher.ENCRYPT_MODE); encryptedData = encryptDecryptData(paddedData, Cipher.ENCRYPT_MODE);
System.arraycopy(encryptedData, 0, macData, 35, encryptedData.length); System.arraycopy(encryptedData, 0, macData, 35, encryptedData.length);
} }
macData[35 + encryptedData.length] = -128; macData[35 + encryptedData.length] = (byte) 0x80;
byte[] MAC = getMAC(macData, keyMAC); byte[] MAC = getMAC(macData, keyMAC);
// construct the APDU using the encrypted data and the MAC // construct the APDU using the encrypted data and the MAC
byte[] APDU = new byte[incomplete.length + encryptedData.length + MAC.length + 3]; byte[] APDU = Arrays.copyOf(incomplete, incomplete.length + encryptedData.length + MAC.length + 3);
System.arraycopy(incomplete, 0, APDU, 0, incomplete.length);
if (encryptedData.length > 0) { if (encryptedData.length > 0) {
System.arraycopy(encryptedData, 0, APDU, incomplete.length, encryptedData.length); 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); System.arraycopy(MAC, 0, APDU, incomplete.length + encryptedData.length + 2, MAC.length);
ssc++; ssc++;
return APDU; return APDU;
} }
/** /**
* Gets the contents of the personal data dedicated file * Selects a FILE by its identifier
*
* @param FID the last bytes of file identifiers being requested
* @return array containing the data strings
* *
*/ */
public String[] readPersonalData(byte[] FID) throws NoSuchPaddingException, InvalidKeyException, NoSuchAlgorithmException, IllegalBlockSizeException, BadPaddingException, InvalidAlgorithmParameterException, IOException { private void selectFile(byte[] FID, String info) throws NoSuchPaddingException, InvalidKeyException, NoSuchAlgorithmException, IllegalBlockSizeException, BadPaddingException, InvalidAlgorithmParameterException, IOException {
byte[] response = getResponse(FID, selectFile, String.format("Select %s", info));
String[] personalData = new String[FID.length]; if (response[response.length - 2] != (byte) 0x90 || response[response.length - 1] != 0x00) {
byte[] data; throw new RuntimeException(String.format("Could not select %s", info));
byte[] APDU; }
byte[] response;
// select the personal data dedicated file
data = new byte[]{80, 0}; // personal data DF FID
APDU = createSecureAPDU(data, personal);
response = idCard.transceive(APDU);
Log.i("Select personal data DF", Hex.toHexString(response));
// select and read the first 8 elementary files in the DF
for (int i = 0; i < FID.length; i++) {
byte index = FID[i];
if (index > 15 || index < 1) throw new RuntimeException("Invalid personal data FID.");
data[1] = index;
APDU = createSecureAPDU(data, personal);
response = idCard.transceive(APDU);
Log.i(String.format("Select EF 500%d", index), Hex.toHexString(response));
APDU = createSecureAPDU(new byte[0], read);
response = idCard.transceive(APDU);
Log.i(String.format("Read binary EF 500%d", index), Hex.toHexString(response));
// store the decrypted datum
byte[] raw = encryptDecryptData(Arrays.copyOfRange(response, 3, 19), Cipher.DECRYPT_MODE);
int indexOfTerminator = Hex.toHexString(raw).lastIndexOf("80") / 2;
personalData[i] = new String(Arrays.copyOfRange(raw, 0, indexOfTerminator));
} }
/**
* Gets the contents of the personal data dedicated file
*
* @param lastBytes the last bytes of the personal data file identifiers (0 < x < 16)
* @return array containing the corresponding data strings
*/
public String[] readPersonalData(byte[] lastBytes) throws NoSuchPaddingException, InvalidKeyException, NoSuchAlgorithmException, IllegalBlockSizeException, BadPaddingException, InvalidAlgorithmParameterException, IOException {
String[] personalData = new String[lastBytes.length];
int stringIndex = 0;
// select the master application
selectFile(IASECCFID, "the master application");
// select the personal data dedicated file
selectFile(personalDF, "the personal data DF");
byte[] FID = Arrays.copyOf(personalDF, personalDF.length);
// select and read the personal data elementary files
for (byte index : lastBytes) {
if (index > 15 || index < 1) throw new RuntimeException("Invalid personal data FID.");
FID[1] = index;
// store the decrypted datum
byte[] response = readFile(FID, "a personal data EF");
int indexOfTerminator = Hex.toHexString(response).lastIndexOf("80") / 2;
personalData[stringIndex++] = new String(Arrays.copyOfRange(response, 0, indexOfTerminator));
}
return personalData; return personalData;
} }
/**
* Attempts to verify the selected PIN
*
* @param PIN user-provided PIN
* @param oneOrTwo true for PIN1, false for PIN2
*/
private void verifyPIN(byte[] PIN, boolean oneOrTwo) throws NoSuchPaddingException, InvalidAlgorithmParameterException, NoSuchAlgorithmException, IllegalBlockSizeException, BadPaddingException, InvalidKeyException, IOException {
selectFile(IASECCFID, "the master application");
if (!oneOrTwo) {
selectFile(QSCD, "the application");
}
// pad the PIN and use the chip for verification
byte[] paddedPIN = Hex.decode("ffffffffffffffffffffffff");
System.arraycopy(PIN, 0, paddedPIN, 0, PIN.length);
byte[] response = getResponse(paddedPIN, oneOrTwo ? verifyPIN1 : verifyPIN2, "PIN verification");
if (response[response.length - 2] != (byte) 0x90 || response[response.length - 1] != 0x00) {
if (response[response.length - 2] == 0x69 && response[response.length - 1] == (byte) 0x83) {
throw new RuntimeException("Invalid PIN. Authentication method blocked.");
} else {
throw new RuntimeException(String.format("Invalid PIN. Attempts left: %d.", response[response.length - 1] + 64));
}
}
}
/**
* Retrieves the authentication or signature certificate from the chip
*
* @param authOrSign true for auth, false for sign cert
* @return the requested certificate
*/
public byte[] getCertificate(boolean authOrSign) throws NoSuchPaddingException, InvalidAlgorithmParameterException, NoSuchAlgorithmException, IllegalBlockSizeException, BadPaddingException, InvalidKeyException, IOException {
selectFile(IASECCFID, "the master application");
selectFile(authOrSign ? AWP : QSCD, "the application");
selectFile(authOrSign ? authCert : signCert, "the certificate");
byte[] certificate = new byte[0];
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++) {
// Set the P1/P2 values to incrementally read the certificate
readCert[2] = (byte) (certificate.length / 256);
readCert[3] = (byte) (certificate.length % 256);
byte[] response = getResponse(new byte[0], readCert, "Read the certificate");
if (response[response.length - 2] == 0x6b && response[response.length - 1] == 0x00) {
throw new RuntimeException("Wrong read parameters.");
}
// Set the range containing a portion of the certificate and decrypt it
int start = response[2] == 1 ? 3 : 4;
int end = start + (response[start - 2] + 256) % 256 - 1;
byte[] decrypted = encryptDecryptData(Arrays.copyOfRange(response, start, end), Cipher.DECRYPT_MODE);
int indexOfTerminator = Hex.toHexString(decrypted).lastIndexOf("80") / 2;
certificate = Arrays.copyOf(certificate, certificate.length + indexOfTerminator);
System.arraycopy(decrypted, 0, certificate, certificate.length - indexOfTerminator, indexOfTerminator);
if (response[response.length - 2] == (byte) 0x90 && response[response.length - 1] == 0x00) {
break;
}
}
return certificate;
}
/**
* Signs the authentication token hash
*
* @param PIN1 PIN1
* @param token the token hash to be signed
* @return authentication token hash signature
*/
public byte[] authenticate(String PIN1, byte[] token) throws NoSuchPaddingException, InvalidKeyException, NoSuchAlgorithmException, IllegalBlockSizeException, BadPaddingException, InvalidAlgorithmParameterException, IOException {
verifyPIN(PIN1.getBytes(StandardCharsets.UTF_8), true);
selectFile(AWP, "the AWP application");
byte[] response = getResponse(Env, MSESetEnv, "Set environment");
if (response[response.length - 2] != (byte) 0x90 || response[response.length - 1] != 0x00) {
throw new RuntimeException("Setting the environment failed.");
}
InternalAuthenticate[4] = (byte) (0x1d + 16 * (token.length / 16));
InternalAuthenticate[6] = (byte) (0x11 + 16 * (token.length / 16));
response = getResponse(token, InternalAuthenticate, "Internal Authenticate");
if (response[response.length - 2] != (byte) 0x90 || response[response.length - 1] != 0x00) {
throw new RuntimeException("Signing the token failed.");
}
byte[] signature = encryptDecryptData(Arrays.copyOfRange(response, 3, 115), Cipher.DECRYPT_MODE);
int indexOfTerminator = Hex.toHexString(signature).lastIndexOf("80") / 2;
return Arrays.copyOf(signature, indexOfTerminator);
}
private byte[] getResponse(byte[] data, byte[] command, String log) throws NoSuchPaddingException, InvalidKeyException, NoSuchAlgorithmException, IllegalBlockSizeException, BadPaddingException, InvalidAlgorithmParameterException, IOException {
byte[] response = idCard.transceive(createSecureAPDU(data, command));
Log.i(log, Hex.toHexString(response));
return response;
}
} }

2
MobileAuthApp/app/src/main/java/com/tarkvaraprojekt/mobileauthapp/auth/Authenticator.kt
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@ -9,7 +9,7 @@ class Authenticator(val comms : Comms) {
public fun authenticate(nonce: BigInteger, challengeUrl: String, pin1: String) { public fun authenticate(nonce: BigInteger, challengeUrl: String, pin1: String) {
// Ask PIN 1 from the user and get the authentication certificate from the ID card. // Ask PIN 1 from the user and get the authentication certificate from the ID card.
val authenticationCertificate : ByteArray = comms.getAuthenticationCertificate(); val authenticationCertificate : ByteArray = comms.getCertificate(true);
// Create the authentication token (OpenID X509) // Create the authentication token (OpenID X509)

2
MobileAuthApp/build.gradle
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@ -9,7 +9,7 @@ buildscript {
kotlin_version = "1.4.30" kotlin_version = "1.4.30"
} }
dependencies { dependencies {
classpath "com.android.tools.build:gradle:7.0.2" classpath 'com.android.tools.build:gradle:7.0.3'
classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:1.5.20" classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:1.5.20"
classpath "androidx.navigation:navigation-safe-args-gradle-plugin:$nav_version" classpath "androidx.navigation:navigation-safe-args-gradle-plugin:$nav_version"
// NOTE: Do not place your application dependencies here; they belong // NOTE: Do not place your application dependencies here; they belong