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-rw-r--r--smccTest/src/main/java/at/gv/egiz/smcc/activation/Activation.java63
-rw-r--r--smccTest/src/main/java/at/gv/egiz/smcc/activation/SecureChannel.java102
2 files changed, 130 insertions, 35 deletions
diff --git a/smccTest/src/main/java/at/gv/egiz/smcc/activation/Activation.java b/smccTest/src/main/java/at/gv/egiz/smcc/activation/Activation.java
index 6a40faa3..d659cc7c 100644
--- a/smccTest/src/main/java/at/gv/egiz/smcc/activation/Activation.java
+++ b/smccTest/src/main/java/at/gv/egiz/smcc/activation/Activation.java
@@ -166,10 +166,16 @@ public class Activation {
(byte) 0xd0, (byte) 0x40, (byte) 0x00, (byte) 0x00, (byte) 0x17,
(byte) 0x00, (byte) 0x12, (byte) 0x01};
- private final static byte[] ZEROS = {
+ public final static byte[] ZEROS = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
+ public final static byte[] ONES = {
+ (byte) 0x11, (byte) 0x11, (byte) 0x11, (byte) 0x11,
+ (byte) 0x11, (byte) 0x11, (byte) 0x11, (byte) 0x11
+ };
+
+
/** Bit mask for counting the ones. */
private final static byte[] BIT_MASK = {
0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, (byte) 0x80
@@ -305,6 +311,25 @@ public class Activation {
throw new SignatureCardException("failed to read EF.PuK", ex);
}
+
+ System.out.println("DUMMY APDU SELECT EF_C_X509.CH.DS");
+ cmdAPDU = new CommandAPDU(0x00, 0xA4, 0x02, 0x00, new byte[]{(byte) 0xc0, (byte) 0x00}, 256);
+ System.out.println(" cmd apdu " + toString(cmdAPDU.getBytes()));
+ resp = channel.transmit(cmdAPDU);
+ System.out.println(" -> " + toString(resp.getBytes()) + "\n");
+
+ System.out.println("DUMMY APDU READ BINARY");
+ cmdAPDU = new CommandAPDU(0x00, 0xb0, 0x00, 0x00, 256);
+ System.out.println(" cmd apdu " + toString(cmdAPDU.getBytes()));
+ resp = channel.transmit(cmdAPDU);
+ System.out.println(" -> " + toString(resp.getBytes()) + "\n");
+
+// System.out.println("DELETE EF_C_X509.CH.DS *****************************");
+// cmdAPDU = new CommandAPDU(0x00, 0xE4, 0x02, 0x00, new byte[]{(byte) 0xC0, (byte) 0x00});
+// System.out.println(" cmd apdu " + toString(cmdAPDU.getBytes()));
+// resp = channel.transmit(cmdAPDU);
+// System.out.println(" -> " + toString(resp.getBytes()) + "\n");
+
/*
[a8:82:00:a8:b6:16:83:14:80:04:00:00:00:23:00:79:05:03:d0:40:00:00:17:00:12:01:02:00:
7f:49:
@@ -319,8 +344,6 @@ public class Activation {
<ResponseAPDU SW="9000" rc="0" sequence="7">A88200A8B616831480040000002300789901D04000001700120102007F49820044864084BA7BF0AF355A67E0C9064EE53A63859903C775199221494A430FFAE20F3F2DC283FEF3C8EEF21FBF75448DC7DB9649BAC504DE0C6416C91D62882438128CDFC100C001809E82004087506037D74C9DCE7454A2F561A19FF24ED03D097A0CD8D45F3CB2DCF51684195632F39D72381F64BA2DCB65524C54E94265CB9E5F43EBCC02D23C1D9A02D26E</ResponseAPDU>
*/
-
- // TODO
}
@@ -701,6 +724,7 @@ public class Activation {
test.setUp();
test.activate();
// test.testMACProtection();
+// test.testENCProtection();
} catch (Exception e) {
e.printStackTrace();
}
@@ -761,7 +785,7 @@ hashres : 4D BF FC AD 67 94 55 F9 7F DD 47 30 C7 74 B1 7D CF B8 B3 74 93 87
}
- byte[] case2apdu = channel.protectNoCommandData(new byte[] { (byte)0x00, (byte)0xb0, (byte)0x00, (byte)0x00, (byte)0xdf }, true);
+ byte[] case2apdu = channel.protectNoCommandData(new byte[] { (byte)0x00, (byte)0xb0, (byte)0x00, (byte)0x00, (byte)0xdf });
System.out.println("apdu orig: " + toString(apdu_));
System.out.println("apdu test: " + toString(case2apdu));
@@ -773,12 +797,41 @@ hashres : 4D BF FC AD 67 94 55 F9 7F DD 47 30 C7 74 B1 7D CF B8 B3 74 93 87
byte[] case3apdu = channel.protectCommandData(new byte[] { (byte)0x00, (byte)0x10, (byte)0x20, (byte)0x30, (byte)0x04, (byte)0x41, (byte)0x042, (byte)0x43, (byte)0x44 }, false);
System.out.println("apdu test: " + toString(case3apdu));
- case3apdu = channel.protectCommandData(new byte[] { (byte)0x00, (byte)0x10, (byte)0x20, (byte)0x30, (byte)0x04, (byte)0x41, (byte)0x042, (byte)0x43, (byte)0x44, (byte)0x80 }, true);
+ case3apdu = channel.protectCommandData(new byte[] { (byte)0x00, (byte)0x10, (byte)0x20, (byte)0x30, (byte)0x04, (byte)0x41, (byte)0x042, (byte)0x43, (byte)0x44, (byte)0x80 }, false);
System.out.println("apdu test: " + toString(case3apdu));
}
+
+ /**
+ * sniffed values (cf. activate-800400...790503.log lines 125-136, hashres = kenc | kencssc
+ * and apdu_ from activate activate-800400...790503-apdu.log lines 96(corresponding challenge)
+ */
+
+ static final byte[] kenc = new byte[] { (byte)0x15, (byte)0xC7, (byte)0x63, (byte)0x2B, (byte)0xB7, (byte)0xBB, (byte)0x00, (byte)0x53, (byte)0xFA, (byte)0x3F, (byte)0xAC, (byte)0x2B, (byte)0x9B, (byte)0x59, (byte)0xCF, (byte)0xC3, (byte)0x04, (byte)0x50, (byte)0x51, (byte)0xE8, (byte)0x62, (byte)0xE8, (byte)0xD3, (byte)0xEE };
+ static final byte[] kencssc = new byte[] { (byte)0x62, (byte)0x82, (byte)0xA5, (byte)0xBA, (byte)0xB2, (byte)0xDD, (byte)0x25, (byte)0x50 };
+ static final byte[] kmac = new byte[] { (byte)0xD4, (byte)0x0B, (byte)0x7F, (byte)0x7E, (byte)0x9B, (byte)0x45, (byte)0x8C, (byte)0x39, (byte)0x80, (byte)0x8E, (byte)0x5B, (byte)0x2B, (byte)0x63, (byte)0x4B, (byte)0x0F, (byte)0xC4, (byte)0x0D, (byte)0xEE, (byte)0xB7, (byte)0x6D, (byte)0xC9, (byte)0xC1, (byte)0xFD, (byte)0xE9 };
+ static final byte[] kmacssc = new byte[] { (byte)0x3E, (byte)0x09, (byte)0x6C, (byte)0x86, (byte)0xB4, (byte)0xBB, (byte)0x9F, (byte)0x30 };
+ static final byte[] apduEnc_ = new byte[] { (byte) 0x0C, (byte)0xE4, (byte)0x02, (byte)0x00, (byte)0x15, (byte)0x87, (byte)0x09, (byte)0x01, (byte)0xB9, (byte)0x5A, (byte)0xCA, (byte)0xA5, (byte)0x69, (byte)0x55, (byte)0x46, (byte)0x56, (byte)0x8E, (byte)0x08, (byte)0x40, (byte)0x7D, (byte)0xEA, (byte)0xC4, (byte)0x30, (byte)0xE6, (byte)0xCF, (byte)0x94, (byte)0x00 };
+
+ public void testENCProtection() throws GeneralSecurityException {
+
+ SecureChannel sc = new SecureChannel(channel,
+ new SecretKeySpec(kenc, "3DES"), new SecretKeySpec(kmac, "3DES"),
+ 8, kencssc, kmacssc);
+
+ byte[] apdu = new byte[] { (byte) 0x00, (byte) 0xe4, (byte) 0x02, (byte) 0x00, (byte) 0x02, (byte) 0xc0, (byte) 0x00 };
+ System.out.println("apdu test: " + toString(apdu));
+ byte[] apduTest = sc.protectCommandData(apdu, true);
+ System.out.println("encrypt: " + toString(apduTest));
+
+ if (!Arrays.equals(apduEnc_, apduTest)) {
+ System.out.println("************************************************** ERRROR ");
+ }
+
+ }
+
public static final byte[] SM_RESP_APDU = new byte[] {
(byte)0x81, (byte)0x81, (byte)0xac, (byte)0xa8, (byte)0x82, (byte)0x00, (byte)0xa8, (byte)0xb6, (byte)0x16, (byte)0x83, (byte)0x14, (byte)0x80, (byte)0x04, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x23, (byte)0x00, (byte)0x79, (byte)0x05, (byte)0x03, (byte)0xd0, (byte)0x40, (byte)0x00, (byte)0x00, (byte)0x17, (byte)0x00, (byte)0x12, (byte)0x01, (byte)0x02, (byte)0x00, (byte)0x7f,
(byte)0x49, (byte)0x82, (byte)0x00, (byte)0x44, (byte)0x86, (byte)0x40, (byte)0xd4, (byte)0x7c, (byte)0x12, (byte)0x55, (byte)0xe4, (byte)0x7b, (byte)0x0c, (byte)0x7d, (byte)0x4e, (byte)0xbb, (byte)0x17, (byte)0xe4, (byte)0x83, (byte)0xe5, (byte)0x3d, (byte)0x56, (byte)0xdf, (byte)0x45, (byte)0x7e, (byte)0x99, (byte)0xcb, (byte)0xcc, (byte)0x93, (byte)0xd2, (byte)0xc2, (byte)0x5e,
diff --git a/smccTest/src/main/java/at/gv/egiz/smcc/activation/SecureChannel.java b/smccTest/src/main/java/at/gv/egiz/smcc/activation/SecureChannel.java
index f8f679e2..d297bbd5 100644
--- a/smccTest/src/main/java/at/gv/egiz/smcc/activation/SecureChannel.java
+++ b/smccTest/src/main/java/at/gv/egiz/smcc/activation/SecureChannel.java
@@ -4,15 +4,18 @@
*/
package at.gv.egiz.smcc.activation;
-import at.gv.egiz.smcc.DNIeCryptoUtil;
import at.gv.egiz.smcc.util.TLVSequence;
import java.nio.ByteBuffer;
import java.security.GeneralSecurityException;
+import java.security.InvalidAlgorithmParameterException;
import java.security.InvalidKeyException;
-import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
-import java.security.NoSuchProviderException;
import java.util.Arrays;
+import javax.crypto.BadPaddingException;
+import javax.crypto.Cipher;
+import javax.crypto.IllegalBlockSizeException;
+import javax.crypto.NoSuchPaddingException;
+import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.SecretKeySpec;
import javax.smartcardio.Card;
import javax.smartcardio.CardChannel;
@@ -93,7 +96,7 @@ public class SecureChannel extends CardChannel {
throw new IllegalArgumentException("invalid Command APDU " + toString(apdu));
} else if (apdu.length < 6) {
CommandAPDU capdu_ = new CommandAPDU(
- protectNoCommandData(apdu, apdu.length == 5));
+ protectNoCommandData(apdu));
log.info("cmd apdu*: {}", toString(capdu_.getBytes()));
ResponseAPDU resp_ = channel.transmit(capdu_);
log.info(" -> resp*: {}", toString(resp_.getBytes()));
@@ -101,7 +104,7 @@ public class SecureChannel extends CardChannel {
} else {
CommandAPDU capdu_ = new CommandAPDU(
- protectCommandData(apdu, apdu.length > 5+apdu[4]));
+ protectCommandData(apdu, true));
log.info("cmd apdu*: {}", toString(capdu_.getBytes()));
ResponseAPDU resp_ = channel.transmit(capdu_);
log.info(" -> resp*: {}", toString(resp_.getBytes()));
@@ -126,7 +129,6 @@ public class SecureChannel extends CardChannel {
/**
* Case 1b/2 of command-response pair defined in ISO 7816-3
- * no command data, response data
*
* CLA|INS|P1|P2 -> CLA'|INS|P1|P2|Lc'|TLmac|00
* CLA|INS|P1|P2|Le -> CLA'|INS|P1|P2|Lc'|TLle|TLmac|00
@@ -135,9 +137,10 @@ public class SecureChannel extends CardChannel {
* @return
* @throws GeneralSecurityException mac-calculation error
*/
- byte[] protectNoCommandData(byte[] apdu, boolean responseData) throws GeneralSecurityException {
+ byte[] protectNoCommandData(byte[] apdu) throws GeneralSecurityException {
- int leLength = (responseData) ? 1 : 0;
+ // whether Le Byte is present (response expected)
+ int leLength = (apdu.length == 5) ? 1 : 0;
byte[] apdu_ = new byte[16 + 3*leLength];
// authenticate header: CLA** b3=1
@@ -150,7 +153,7 @@ public class SecureChannel extends CardChannel {
apdu_[4] = (byte) (3*leLength + 2 + blocksize); //0x0a or 0x0d;
// T*L Le
- if (responseData) {
+ if (leLength > 0) {
apdu_[5] = (byte) 0x97;
apdu_[6] = (byte) 0x01;
apdu_[7] = apdu[4];
@@ -175,7 +178,7 @@ public class SecureChannel extends CardChannel {
System.arraycopy(paddedHeader, 0, mac_in, blocksize, blocksize);
// TL Le
- if (responseData) {
+ if (leLength > 0) {
byte[] paddedTLLe = RetailCBCMac.pad(Arrays.copyOfRange(apdu_, 5, 8), blocksize);
System.arraycopy(paddedTLLe, 0, mac_in, 2*blocksize, blocksize);
}
@@ -252,7 +255,6 @@ public class SecureChannel extends CardChannel {
/**
* Case 3b/4 of command-response pair defined in ISO 7816-3
- * command data, no response data
*
* CLA|INS|P1|P2|Lc|Data -> CLA'|INS|P1|P2|Lc'|TLplain|TLmac|00
* CLA|INS|P1|P2|Lc|Data|Le -> CLA'|INS|P1|P2|Lc'|TLplain|TLle|TLmac|00
@@ -261,12 +263,23 @@ public class SecureChannel extends CardChannel {
* @return
* @throws GeneralSecurityException mac-calculation error
*/
- byte[] protectCommandData(byte[] apdu, boolean responseData) throws GeneralSecurityException {
+ byte[] protectCommandData(byte[] apdu, boolean encrypt) throws GeneralSecurityException {
- int leLength = (responseData) ? 1 : 0;
+ int contentLength = apdu[4];
+ byte[] cryptogram = null;
- // header | Lc' | TLplain | [TLLe] | TLmac | 00
- byte[] apdu_= new byte[4 + 1 + 2+apdu[4] + 3*leLength + 2+blocksize + 1];
+ // whether Le Byte is present (response expected)
+ int leLength = (apdu.length > 5+contentLength) ? 1 : 0;
+
+ if (encrypt) {
+ cryptogram = encrypt(Arrays.copyOfRange(apdu, 5, 5+apdu[4]));
+ contentLength = cryptogram.length + 1; // + padding-content indicator byte
+ log.info("cryptogram (" + cryptogram.length + "byte): "
+ + toString(cryptogram));
+ }
+
+ // header | Lc' | TLplain(TL-P-cryptogram) | [TLLe] | TLmac | 00
+ byte[] apdu_= new byte[4 + 1 + 2+contentLength + 3*leLength + 2+blocksize + 1];
// authenticate header: CLA** b3=1
apdu_[0] = (byte) (apdu[0] | (byte) 0x0c); //CLA**: b8-6=000 b4-3=11
@@ -275,29 +288,38 @@ public class SecureChannel extends CardChannel {
apdu_[3] = apdu[3];
// Lc': TLplain [TLLe] TLmac
- apdu_[4] = (byte) (2+apdu[4] + 3*leLength + 2+blocksize);
-
- // T*L plain
- apdu_[5] = (byte) 0x81;
- apdu_[6] = apdu[4];
- System.arraycopy(apdu, 5, apdu_, 7, apdu[4]);
+ apdu_[4] = (byte) (2+contentLength + 3*leLength + 2+blocksize);
+
+ if (encrypt) {
+ // T*L paddingIndicatorByte crpytogram
+ apdu_[5] = (byte) 0x87;
+ apdu_[6] = (byte) contentLength;
+ apdu_[7] = (byte) 0x01;
+ System.arraycopy(cryptogram, 0, apdu_, 8, cryptogram.length);
+
+ } else {
+ // T*L plain
+ apdu_[5] = (byte) 0x81;
+ apdu_[6] = apdu[4];
+ System.arraycopy(apdu, 5, apdu_, 7, apdu[4]);
+ }
// T*L Le
- if (responseData) {
- apdu_[7+apdu[4]] = (byte) 0x97;
- apdu_[8+apdu[4]] = (byte) 0x01;
- apdu_[9+apdu[4]] = apdu[apdu.length-1];
+ if (leLength > 0) {
+ apdu_[7+contentLength] = (byte) 0x97;
+ apdu_[8+contentLength] = (byte) 0x01;
+ apdu_[9+contentLength] = apdu[apdu.length-1];
}
// TL cc
- apdu_[7 + apdu[4] + 3*leLength] = (byte) 0x8e;
- apdu_[8 + apdu[4] + 3*leLength] = (byte) blocksize; //0x08;
+ apdu_[7 + contentLength + 3*leLength] = (byte) 0x8e;
+ apdu_[8 + contentLength + 3*leLength] = (byte) blocksize; //0x08;
apdu_[apdu_.length-1] = (byte) 0x00;
// TLplain [TLLe] Padding
byte[] paddedPlainLe = RetailCBCMac.pad(
- Arrays.copyOfRange(apdu_, 5, 5+2+apdu[4] + 3*leLength), blocksize);
+ Arrays.copyOfRange(apdu_, 5, 5+2+contentLength + 3*leLength), blocksize);
log.trace("padded plain command data: " + toString(paddedPlainLe));
// 3 blocks: SSC, header|padding, TLplain[TLLe]|padding
@@ -319,15 +341,35 @@ public class SecureChannel extends CardChannel {
log.debug("cryptographic checksum ({}): {}", toString(mac_in), toString(mac));
// insert mac in 8E object
- System.arraycopy(mac, 0, apdu_, 9 + apdu[4] + 3*leLength, blocksize);
+ System.arraycopy(mac, 0, apdu_, 9 + contentLength + 3*leLength, blocksize);
return apdu_;
}
+ byte[] encrypt(byte[] plain) throws NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException, InvalidAlgorithmParameterException, IllegalBlockSizeException, BadPaddingException {
+
+ incrementKENCSSC();
+
+ Cipher tDES = Cipher.getInstance("3DES/CBC/NoPadding");
+ tDES.init(Cipher.ENCRYPT_MODE, kenc, new IvParameterSpec(kencssc)); //Activation.ZEROS));
+
+ byte[] paddedPlain = RetailCBCMac.pad(plain, blocksize);
+
+ log.info("cryptogram input (" + paddedPlain.length + "byte): "
+ + toString(paddedPlain));
+
+ return tDES.doFinal(paddedPlain);
+ }
void incrementSSC() {
//TODO
kmacssc[7] += 1;
- System.out.println(" [SC] incrementing kmac_ssc: " + toString(kmacssc));
+ log.info("incrementing kmac_ssc: " + toString(kmacssc));
+ }
+
+ void incrementKENCSSC() {
+ //TODO
+ kencssc[7] += 1;
+ log.debug("incrementing kenc_ssc: " + toString(kencssc));
}
public static String toString(byte[] b) {
generated by cgit v1.2.3 (git 2.39.1) at 2025-10-31 03:10:57 +0000