what-the-bank/sources/org/jmrtd/protocol/CAProtocol.java

package org.jmrtd.protocol;

import java.math.BigInteger;
import java.security.GeneralSecurityException;
import java.security.InvalidKeyException;
import java.security.KeyPair;
import java.security.KeyPairGenerator;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.security.PrivateKey;
import java.security.PublicKey;
import java.security.interfaces.ECPublicKey;
import java.security.spec.AlgorithmParameterSpec;
import java.util.logging.Logger;
import javax.crypto.KeyAgreement;
import javax.crypto.SecretKey;
import javax.crypto.interfaces.DHPublicKey;
import net.sf.scuba.smartcards.CardServiceException;
import org.bouncycastle.pqc.jcajce.spec.McElieceCCA2KeyGenParameterSpec;
import org.jmrtd.PassportService;
import org.jmrtd.Util;
import org.jmrtd.lds.ChipAuthenticationInfo;
import org.jmrtd.lds.ChipAuthenticationPublicKeyInfo;

/* loaded from: classes6.dex */
public class CAProtocol {
    private static final Logger LOGGER = Logger.getLogger("org.jmrtd");
    private PassportService service;
    private SecureMessagingWrapper wrapper;

    public CAProtocol(PassportService passportService, SecureMessagingWrapper secureMessagingWrapper) {
        this.service = passportService;
        this.wrapper = secureMessagingWrapper;
    }

    public CAResult doCA(BigInteger bigInteger, String str, String str2, PublicKey publicKey) throws CardServiceException {
        AlgorithmParameterSpec params;
        if (publicKey == null) {
            throw new IllegalArgumentException("PICC public key is null");
        }
        String keyAgreementAlgorithm = ChipAuthenticationInfo.toKeyAgreementAlgorithm(str);
        if (keyAgreementAlgorithm == null) {
            throw new IllegalArgumentException("Unknown agreement algorithm");
        }
        if (!"ECDH".equals(keyAgreementAlgorithm) && !"DH".equals(keyAgreementAlgorithm)) {
            throw new IllegalArgumentException("Unsupported agreement algorithm, expected ECDH or DH, found ".concat(String.valueOf(keyAgreementAlgorithm)));
        }
        if (str == null) {
            str = inferChipAuthenticationOIDfromPublicKeyOID(str2);
        }
        try {
            if ("DH".equals(keyAgreementAlgorithm)) {
                params = ((DHPublicKey) publicKey).getParams();
            } else {
                params = "ECDH".equals(keyAgreementAlgorithm) ? ((ECPublicKey) publicKey).getParams() : null;
            }
            KeyPairGenerator keyPairGenerator = KeyPairGenerator.getInstance(keyAgreementAlgorithm);
            keyPairGenerator.initialize(params);
            KeyPair generateKeyPair = keyPairGenerator.generateKeyPair();
            PublicKey publicKey2 = generateKeyPair.getPublic();
            PrivateKey privateKey = generateKeyPair.getPrivate();
            sendPublicKey(this.service, this.wrapper, str, bigInteger, publicKey2);
            byte[] keyHash = getKeyHash(keyAgreementAlgorithm, publicKey2);
            SecureMessagingWrapper restartSecureMessaging = restartSecureMessaging(str, computeSharedSecret(keyAgreementAlgorithm, publicKey, privateKey));
            this.wrapper = restartSecureMessaging;
            return new CAResult(bigInteger, publicKey, keyHash, publicKey2, privateKey, restartSecureMessaging);
        } catch (GeneralSecurityException e) {
            throw new CardServiceException(e.toString());
        }
    }

    public static void sendPublicKey(PassportService passportService, SecureMessagingWrapper secureMessagingWrapper, String str, BigInteger bigInteger, PublicKey publicKey) throws CardServiceException {
        String keyAgreementAlgorithm = ChipAuthenticationInfo.toKeyAgreementAlgorithm(str);
        String cipherAlgorithm = ChipAuthenticationInfo.toCipherAlgorithm(str);
        byte[] keyData = getKeyData(keyAgreementAlgorithm, publicKey);
        if (cipherAlgorithm.startsWith("DESede")) {
            passportService.sendMSEKAT(secureMessagingWrapper, Util.wrapDO((byte) -111, keyData), bigInteger != null ? Util.wrapDO((byte) -124, bigInteger.toByteArray()) : null);
        } else {
            if (cipherAlgorithm.startsWith("AES")) {
                passportService.sendMSESetATIntAuth(secureMessagingWrapper, str, bigInteger);
                passportService.sendGeneralAuthenticate(secureMessagingWrapper, Util.wrapDO(Byte.MIN_VALUE, keyData), true);
                return;
            }
            throw new IllegalStateException("Cannot set up secure channel with cipher ".concat(String.valueOf(cipherAlgorithm)));
        }
    }

    public static byte[] computeSharedSecret(String str, PublicKey publicKey, PrivateKey privateKey) throws NoSuchAlgorithmException, InvalidKeyException {
        KeyAgreement keyAgreement = KeyAgreement.getInstance(str);
        keyAgreement.init(privateKey);
        keyAgreement.doPhase(publicKey, true);
        return keyAgreement.generateSecret();
    }

    public static SecureMessagingWrapper restartSecureMessaging(String str, byte[] bArr) throws GeneralSecurityException {
        String cipherAlgorithm = ChipAuthenticationInfo.toCipherAlgorithm(str);
        int keyLength = ChipAuthenticationInfo.toKeyLength(str);
        SecretKey deriveKey = Util.deriveKey(bArr, cipherAlgorithm, keyLength, 1);
        SecretKey deriveKey2 = Util.deriveKey(bArr, cipherAlgorithm, keyLength, 2);
        if (cipherAlgorithm.startsWith("DESede")) {
            return new DESedeSecureMessagingWrapper(deriveKey, deriveKey2, 0L);
        }
        if (cipherAlgorithm.startsWith("AES")) {
            return new AESSecureMessagingWrapper(deriveKey, deriveKey2, 0L);
        }
        throw new IllegalStateException("Unsupported cipher algorithm ".concat(String.valueOf(cipherAlgorithm)));
    }

    private static byte[] getKeyHash(String str, PublicKey publicKey) throws NoSuchAlgorithmException {
        if ("DH".equals(str)) {
            MessageDigest.getInstance(McElieceCCA2KeyGenParameterSpec.SHA1);
            return MessageDigest.getInstance(McElieceCCA2KeyGenParameterSpec.SHA1).digest(getKeyData(str, publicKey));
        }
        if ("ECDH".equals(str)) {
            org.bouncycastle.jce.interfaces.ECPublicKey eCPublicKey = (org.bouncycastle.jce.interfaces.ECPublicKey) publicKey;
            return Util.alignKeyDataToSize(Util.i2os(eCPublicKey.getQ().getX().toBigInteger()), eCPublicKey.getParameters().getCurve().getFieldSize() / 8);
        }
        throw new IllegalArgumentException("Unsupported agreement algorithm ".concat(String.valueOf(str)));
    }

    private static byte[] getKeyData(String str, PublicKey publicKey) {
        if ("DH".equals(str)) {
            return ((DHPublicKey) publicKey).getY().toByteArray();
        }
        if ("ECDH".equals(str)) {
            return ((org.bouncycastle.jce.interfaces.ECPublicKey) publicKey).getQ().getEncoded();
        }
        throw new IllegalArgumentException("Unsupported agreement algorithm ".concat(String.valueOf(str)));
    }

    private static String inferChipAuthenticationOIDfromPublicKeyOID(String str) {
        if (ChipAuthenticationPublicKeyInfo.ID_PK_ECDH.equals(str)) {
            LOGGER.warning("Could not determine ChipAuthentication algorithm, defaulting to id-CA-ECDH-3DES-CBC-CBC");
            return ChipAuthenticationInfo.ID_CA_ECDH_3DES_CBC_CBC;
        }
        if (ChipAuthenticationPublicKeyInfo.ID_PK_DH.equals(str)) {
            LOGGER.warning("Could not determine ChipAuthentication algorithm, defaulting to id-CA-DH-3DES-CBC-CBC");
            return ChipAuthenticationInfo.ID_CA_DH_3DES_CBC_CBC;
        }
        LOGGER.severe("No ChipAuthenticationInfo and unsupported ChipAuthenticationPublicKeyInfo public key OID ".concat(String.valueOf(str)));
        return null;
    }

    public SecureMessagingWrapper getWrapper() {
        return this.wrapper;
    }
}