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-rw-r--r--smccTest/src/main/java/at/gv/egiz/smcc/activation/Activation.java35
1 files changed, 27 insertions, 8 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 fce59066..8d102c80 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
@@ -521,21 +521,16 @@ public class Activation {
// keyinp = kicc.xor(kifd);
//
+ // TDES session key negotiation according to E-Sign K [STARCOS,6.11]?
+
byte[] kd_icc = Arrays.copyOfRange(plain, 32, 96);
System.out.println("derive key input...");
byte[] kinp = new byte[kd_ifd.length];
for (int i = 0; i < kd_ifd.length; i++) {
-
-// System.out.println(Integer.toBinaryString(kd_icc[i]));
-// System.out.println(Integer.toBinaryString(kd_ifd[i]));
-
kinp[i] = (byte) (kd_icc[i] ^ kd_ifd[i]);
-
-// System.out.println(Integer.toBinaryString(kinp[i]) + "\n");
-
}
- // TODO derive key
+ System.out.println("session key negotiation key (key seed): " + toString(kinp));
// var hashin = keyinp.concat(new ByteString("00000001", HEX));
// var hashres = crypto.digest(Crypto.SHA_256, hashin);
@@ -547,6 +542,18 @@ public class Activation {
// var kenc = new Key();
// kenc.setComponent(Key.DES, kencval);
//
+
+ MessageDigest sha256 = MessageDigest.getInstance("SHA-256");
+ sha256.update(kinp);
+ sha256.update(new byte[] { (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x01});
+ byte[] enc_ = sha256.digest();
+
+ SecretKeySpec kenc = new SecretKeySpec(Arrays.copyOfRange(enc_, 0, 24), "3DES");
+ byte[] kencssc = Arrays.copyOfRange(enc_, 24, 32);
+
+ System.out.println("session key kenc: " + toString(kenc.getEncoded()));
+ System.out.println("send sequence counter SSC_enc: " + toString(kencssc));
+
// var hashin = keyinp.concat(new ByteString("00000002", HEX));
// var hashres = crypto.digest(Crypto.SHA_256, hashin);
// var kmacval = hashres.bytes(0, 24);
@@ -556,6 +563,17 @@ public class Activation {
// GPSystem.trace("Kmac SSC : " + kmacssc);
// var kmac = new Key();
// kmac.setComponent(Key.DES, kmacval);
+
+ sha256.update(kinp);
+ sha256.update(new byte[] { (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x02});
+ enc_ = sha256.digest();
+
+ SecretKeySpec kmac = new SecretKeySpec(Arrays.copyOfRange(enc_, 0, 24), "3DES");
+ byte[] kmacssc = Arrays.copyOfRange(enc_, 24, 32);
+
+ System.out.println("session key kmac: " + toString(kmac.getEncoded()));
+ System.out.println("send sequence counter SSC_mac: " + toString(kmacssc));
+
//
// var sc = new IsoSecureChannel(crypto);
// sc.setEncKey(kenc);
@@ -566,6 +584,7 @@ public class Activation {
// return sc;
//}
+ channel = new SecureChannel(channel, kenc, kmac, kencssc, kmacssc);
}