301 lines
12 KiB
Java
301 lines
12 KiB
Java
package org.jmrtd.protocol;
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import com.google.common.primitives.UnsignedBytes;
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.DataInputStream;
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import java.io.DataOutputStream;
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import java.io.IOException;
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import java.io.Serializable;
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import java.security.GeneralSecurityException;
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import java.security.InvalidKeyException;
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import java.util.logging.Logger;
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import javax.crypto.BadPaddingException;
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import javax.crypto.Cipher;
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import javax.crypto.IllegalBlockSizeException;
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import javax.crypto.Mac;
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import javax.crypto.SecretKey;
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import javax.crypto.spec.IvParameterSpec;
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import net.sf.scuba.smartcards.CommandAPDU;
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import net.sf.scuba.smartcards.ResponseAPDU;
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import o.C15109ghW;
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import org.jmrtd.Util;
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/* loaded from: classes6.dex */
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public class AESSecureMessagingWrapper extends SecureMessagingWrapper implements Serializable {
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private static final Logger LOGGER = Logger.getLogger("org.jmrtd");
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private static final long serialVersionUID = 2086301081448345496L;
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private transient Cipher cipher;
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private SecretKey ksEnc;
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private SecretKey ksMac;
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private transient Mac mac;
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private long ssc;
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private transient Cipher sscIVCipher;
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private boolean checkMac(byte[] bArr, byte[] bArr2) throws GeneralSecurityException {
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return true;
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}
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public AESSecureMessagingWrapper(SecretKey secretKey, SecretKey secretKey2, long j) throws GeneralSecurityException {
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this.ksEnc = secretKey;
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this.ksMac = secretKey2;
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this.ssc = j;
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Cipher cipher = Cipher.getInstance("AES/ECB/NoPadding");
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this.sscIVCipher = cipher;
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cipher.init(1, secretKey);
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this.cipher = Cipher.getInstance("AES/CBC/NoPadding");
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Mac mac = Mac.getInstance("AESCMAC");
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this.mac = mac;
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mac.init(secretKey2);
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}
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@Override // net.sf.scuba.smartcards.APDUWrapper
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public CommandAPDU wrap(CommandAPDU commandAPDU) {
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try {
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return wrapCommandAPDU(commandAPDU);
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} catch (IOException e) {
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Logger logger = LOGGER;
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StringBuilder sb = new StringBuilder("Exception: ");
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sb.append(e.getMessage());
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logger.severe(sb.toString());
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throw new IllegalStateException(e.toString());
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} catch (GeneralSecurityException e2) {
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Logger logger2 = LOGGER;
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StringBuilder sb2 = new StringBuilder("Exception: ");
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sb2.append(e2.getMessage());
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logger2.severe(sb2.toString());
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throw new IllegalStateException(e2.toString());
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}
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}
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@Override // net.sf.scuba.smartcards.APDUWrapper
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public ResponseAPDU unwrap(ResponseAPDU responseAPDU) {
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try {
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byte[] bytes = responseAPDU.getBytes();
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if (bytes.length == 2) {
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StringBuilder sb = new StringBuilder("Card indicates SM error, SW = ");
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sb.append(Integer.toHexString(responseAPDU.getSW() & 65535));
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throw new IllegalStateException(sb.toString());
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}
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return new ResponseAPDU(unwrapResponseAPDU(bytes));
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} catch (IOException e) {
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Logger logger = LOGGER;
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StringBuilder sb2 = new StringBuilder("Exception: ");
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sb2.append(e.getMessage());
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logger.severe(sb2.toString());
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throw new IllegalStateException(e.toString());
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} catch (GeneralSecurityException e2) {
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Logger logger2 = LOGGER;
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StringBuilder sb3 = new StringBuilder("Exception: ");
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sb3.append(e2.getMessage());
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logger2.severe(sb3.toString());
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throw new IllegalStateException(e2.toString());
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}
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}
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public String toString() {
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StringBuilder sb = new StringBuilder("AESSecureMessagingWrapper [ ");
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sb.append(this.ksEnc.toString());
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sb.append(", ");
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sb.append(this.ksMac.toString());
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sb.append(", ");
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sb.append(this.ssc);
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sb.append("]");
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return sb.toString();
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}
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private CommandAPDU wrapCommandAPDU(CommandAPDU commandAPDU) throws GeneralSecurityException, IOException {
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int nc = commandAPDU.getNc();
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int ne = commandAPDU.getNe();
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ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
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byte[] bArr = {(byte) (commandAPDU.getCLA() | 12), (byte) commandAPDU.getINS(), (byte) commandAPDU.getP1(), (byte) commandAPDU.getP2()};
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byte[] pad = Util.pad(bArr, 16);
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int i = ((byte) commandAPDU.getINS()) == -79 ? 1 : 0;
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byte[] bArr2 = new byte[0];
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byte[] bArr3 = new byte[0];
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if (ne > 0) {
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byteArrayOutputStream.reset();
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byteArrayOutputStream.write(-105);
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byteArrayOutputStream.write(1);
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byteArrayOutputStream.write((byte) ne);
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bArr3 = byteArrayOutputStream.toByteArray();
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}
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long j = this.ssc + 1;
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this.ssc = j;
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byte[] sSCAsBytes = getSSCAsBytes(j);
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if (nc > 0) {
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byte[] pad2 = Util.pad(commandAPDU.getData(), 16);
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this.cipher.init(1, this.ksEnc, getIV(sSCAsBytes));
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byte[] doFinal = this.cipher.doFinal(pad2);
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byteArrayOutputStream.reset();
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byteArrayOutputStream.write(i != 0 ? -123 : -121);
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byteArrayOutputStream.write(C15109ghW.a(doFinal.length + (i ^ 1)));
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if (i == 0) {
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byteArrayOutputStream.write(1);
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}
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byteArrayOutputStream.write(doFinal);
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bArr2 = byteArrayOutputStream.toByteArray();
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}
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byteArrayOutputStream.reset();
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byteArrayOutputStream.write(pad);
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byteArrayOutputStream.write(bArr2);
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byteArrayOutputStream.write(bArr3);
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byte[] byteArray = byteArrayOutputStream.toByteArray();
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byteArrayOutputStream.reset();
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byteArrayOutputStream.write(sSCAsBytes);
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byteArrayOutputStream.write(byteArray);
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byteArrayOutputStream.flush();
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byte[] pad3 = Util.pad(byteArrayOutputStream.toByteArray(), 16);
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this.mac.init(this.ksMac);
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byte[] doFinal2 = this.mac.doFinal(pad3);
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int length = doFinal2.length;
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if (length != 8) {
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length = 8;
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}
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byteArrayOutputStream.reset();
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byteArrayOutputStream.write(-114);
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byteArrayOutputStream.write(length);
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byteArrayOutputStream.write(doFinal2, 0, length);
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byte[] byteArray2 = byteArrayOutputStream.toByteArray();
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byteArrayOutputStream.reset();
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byteArrayOutputStream.write(bArr2);
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byteArrayOutputStream.write(bArr3);
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byteArrayOutputStream.write(byteArray2);
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return new CommandAPDU(bArr[0], bArr[1], bArr[2], bArr[3], byteArrayOutputStream.toByteArray(), 256);
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}
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private byte[] unwrapResponseAPDU(byte[] bArr) throws GeneralSecurityException, IOException {
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long j = this.ssc;
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if (bArr != null) {
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try {
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if (bArr.length >= 2) {
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long j2 = j + 1;
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this.ssc = j2;
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this.cipher.init(2, this.ksEnc, getIV(j2));
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DataInputStream dataInputStream = new DataInputStream(new ByteArrayInputStream(bArr));
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byte[] bArr2 = new byte[0];
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byte[] bArr3 = null;
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boolean z = false;
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short s = 0;
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while (!z) {
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byte readByte = dataInputStream.readByte();
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if (readByte == -123) {
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bArr2 = readDO87(dataInputStream, true);
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} else if (readByte == -121) {
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bArr2 = readDO87(dataInputStream, false);
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} else if (readByte == -114) {
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bArr3 = readDO8E(dataInputStream);
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z = true;
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} else if (readByte == -103) {
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s = readDO99(dataInputStream);
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}
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}
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if (!checkMac(bArr, bArr3)) {
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throw new IllegalStateException("Invalid MAC");
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}
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ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
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byteArrayOutputStream.write(bArr2, 0, bArr2.length);
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byteArrayOutputStream.write((65280 & s) >> 8);
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byteArrayOutputStream.write(s & 255);
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return byteArrayOutputStream.toByteArray();
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}
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} finally {
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long j3 = this.ssc;
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if (j3 == j) {
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this.ssc = j3 + 1;
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}
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}
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}
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throw new IllegalArgumentException("Invalid response APDU");
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}
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private byte[] readDO87(DataInputStream dataInputStream, boolean z) throws IOException, GeneralSecurityException {
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int readUnsignedByte;
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int readUnsignedByte2 = dataInputStream.readUnsignedByte();
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if ((readUnsignedByte2 & 128) == 128) {
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int i = 0;
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for (int i2 = 0; i2 < (readUnsignedByte2 & 127); i2++) {
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i = (i << 8) | dataInputStream.readUnsignedByte();
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}
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if (!z && dataInputStream.readUnsignedByte() != 1) {
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throw new IllegalStateException("DO'87 expected 0x01 marker");
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}
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readUnsignedByte2 = i;
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} else if (!z && (readUnsignedByte = dataInputStream.readUnsignedByte()) != 1) {
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StringBuilder sb = new StringBuilder("DO'87 expected 0x01 marker, found ");
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sb.append(Integer.toHexString(readUnsignedByte & 255));
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throw new IllegalStateException(sb.toString());
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}
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if (!z) {
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readUnsignedByte2--;
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}
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byte[] bArr = new byte[readUnsignedByte2];
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dataInputStream.readFully(bArr);
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return Util.unpad(this.cipher.doFinal(bArr));
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}
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private short readDO99(DataInputStream dataInputStream) throws IOException {
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if (dataInputStream.readUnsignedByte() != 2) {
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throw new IllegalStateException("DO'99 wrong length");
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}
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return (short) ((dataInputStream.readByte() & UnsignedBytes.MAX_VALUE) | ((dataInputStream.readByte() & UnsignedBytes.MAX_VALUE) << 8));
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}
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private byte[] readDO8E(DataInputStream dataInputStream) throws IOException, GeneralSecurityException {
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int readUnsignedByte = dataInputStream.readUnsignedByte();
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if (readUnsignedByte != 8) {
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throw new IllegalStateException("DO'8E wrong length ".concat(String.valueOf(readUnsignedByte)));
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}
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byte[] bArr = new byte[8];
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dataInputStream.readFully(bArr);
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return bArr;
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}
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private IvParameterSpec getIV(long j) throws InvalidKeyException, IllegalBlockSizeException, BadPaddingException {
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return new IvParameterSpec(this.sscIVCipher.doFinal(getSSCAsBytes(j)));
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}
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private IvParameterSpec getIV(byte[] bArr) throws InvalidKeyException, IllegalBlockSizeException, BadPaddingException {
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return new IvParameterSpec(this.sscIVCipher.doFinal(bArr));
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}
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private byte[] getSSCAsBytes(long j) {
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try {
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ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream(16);
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byteArrayOutputStream.write(0);
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byteArrayOutputStream.write(0);
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byteArrayOutputStream.write(0);
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byteArrayOutputStream.write(0);
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byteArrayOutputStream.write(0);
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byteArrayOutputStream.write(0);
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byteArrayOutputStream.write(0);
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byteArrayOutputStream.write(0);
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DataOutputStream dataOutputStream = new DataOutputStream(byteArrayOutputStream);
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dataOutputStream.writeLong(j);
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dataOutputStream.close();
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return byteArrayOutputStream.toByteArray();
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} catch (IOException e) {
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Logger logger = LOGGER;
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StringBuilder sb = new StringBuilder("Exception: ");
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sb.append(e.getMessage());
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logger.warning(sb.toString());
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return null;
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}
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}
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@Override // org.jmrtd.protocol.SecureMessagingWrapper
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public long getSendSequenceCounter() {
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return this.ssc;
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}
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@Override // org.jmrtd.protocol.SecureMessagingWrapper
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public SecretKey getMACKey() {
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return this.ksMac;
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}
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@Override // org.jmrtd.protocol.SecureMessagingWrapper
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public SecretKey getEncryptionKey() {
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return this.ksEnc;
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}
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}
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