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Diffstat (limited to 'src/cz/crcs/ectester/applet/ECTesterApplet.java')
-rw-r--r--src/cz/crcs/ectester/applet/ECTesterApplet.java192
1 files changed, 96 insertions, 96 deletions
diff --git a/src/cz/crcs/ectester/applet/ECTesterApplet.java b/src/cz/crcs/ectester/applet/ECTesterApplet.java
index dd13fc3..dfdd0f0 100644
--- a/src/cz/crcs/ectester/applet/ECTesterApplet.java
+++ b/src/cz/crcs/ectester/applet/ECTesterApplet.java
@@ -170,31 +170,6 @@ public class ECTesterApplet extends Applet {
}
/**
- * @param keyPair which keyPair to use, local/remote (KEYPAIR_* | ...)
- * @param keyLength key length to set
- * @param keyClass key class to allocate
- * @param buffer apdu buffer
- * @param offset offset into apdu buffer
- * @return length of data written to the buffer
- */
- private short allocate(byte keyPair, short keyLength, byte keyClass, byte[] buffer, short offset) {
- short length = 0;
- if ((keyPair & KEYPAIR_LOCAL) != 0) {
- localKeypair = keyGenerator.allocatePair(keyClass, keyLength);
- Util.setShort(buffer, offset, keyGenerator.getSW());
- length += 2;
- }
-
- if ((keyPair & KEYPAIR_REMOTE) != 0) {
- remoteKeypair = keyGenerator.allocatePair(keyClass, keyLength);
- Util.setShort(buffer, (short) (offset + length), keyGenerator.getSW());
- length += 2;
- }
-
- return length;
- }
-
- /**
* Sets curve parameters on local and remote keyPairs.
* returns setCurve SWs, set params if export
*
@@ -236,6 +211,102 @@ public class ECTesterApplet extends Applet {
}
/**
+ * Generates the local and remote keyPairs.
+ * returns generate SWs, pubkey and privkey if export
+ *
+ * @param apdu P1 = byte keyPair (KEYPAIR_* | ...)
+ * P2 = byte export (EXPORT_* | KEYPAIR_*)
+ */
+ private void insGenerate(APDU apdu) {
+ apdu.setIncomingAndReceive();
+ byte[] apdubuf = apdu.getBuffer();
+
+ byte keyPair = apdubuf[ISO7816.OFFSET_P1];
+ byte export = apdubuf[ISO7816.OFFSET_P2];
+
+ short len = 0;
+ if ((keyPair & KEYPAIR_LOCAL) != 0)
+ len += generate(localKeypair, apdubuf, (short) 0);
+ if ((keyPair & KEYPAIR_REMOTE) != 0)
+ len += generate(remoteKeypair, apdubuf, len);
+ if ((export & KEYPAIR_LOCAL) != 0)
+ len += export(localKeypair, export, (short) (EC_Consts.PARAMETER_W | EC_Consts.PARAMETER_S), apdubuf, len);
+ if ((export & KEYPAIR_REMOTE) != 0)
+ len += export(remoteKeypair, export, (short) (EC_Consts.PARAMETER_W | EC_Consts.PARAMETER_S), apdubuf, len);
+
+ apdu.setOutgoingAndSend((short) 0, len);
+ }
+
+ /**
+ * Performs ECDH, between the pubkey specified in P1(local/remote) and the privkey specified in P2(local/remote).
+ * returns deriveSecret SW, if export != 0 => short secretlen, byte[] secret
+ *
+ * @param apdu P1 = byte pubkey (KEYPAIR_*)
+ * P2 = byte privkey (KEYPAIR_*)
+ * DATA = byte export (EXPORT_ECDH || 0)
+ * byte invalid (00 = valid, !00 = invalid)
+ */
+ private void insECDH(APDU apdu) {
+ apdu.setIncomingAndReceive();
+ byte[] apdubuf = apdu.getBuffer();
+
+ byte pubkey = apdubuf[ISO7816.OFFSET_P1];
+ byte privkey = apdubuf[ISO7816.OFFSET_P2];
+ byte export = apdubuf[ISO7816.OFFSET_CDATA];
+ byte invalid = apdubuf[(short) (ISO7816.OFFSET_CDATA + 1)];
+
+ short len = ecdh(pubkey, privkey, export, invalid, apdubuf, (short) 0);
+
+ apdu.setOutgoingAndSend((short) 0, len);
+ }
+
+ /**
+ * Performs ECDSA signature and verification on data provided or random, using the keyPair in P1(local/remote).
+ * returns ecdsa SW, if export != 0 => short signature_length, byte[] signature
+ *
+ * @param apdu P1 = byte keyPair (KEYPAIR_*)
+ * P2 = byte export (EXPORT_SIG || 0)
+ * DATA = short dataLength (00 = random data generated, !00 = data length)
+ * byte[] data
+ */
+ private void insECDSA(APDU apdu) {
+ apdu.setIncomingAndReceive();
+ byte[] apdubuf = apdu.getBuffer();
+
+ byte keyPair = apdubuf[ISO7816.OFFSET_P1];
+ byte export = apdubuf[ISO7816.OFFSET_P2];
+
+ short len = ecdsa(keyPair, export, apdubuf, ISO7816.OFFSET_CDATA, (short) 0);
+
+ apdu.setOutgoingAndSend((short) 0, len);
+ }
+
+ /**
+ * @param keyPair which keyPair to use, local/remote (KEYPAIR_* | ...)
+ * @param keyLength key length to set
+ * @param keyClass key class to allocate
+ * @param buffer apdu buffer
+ * @param offset offset into apdu buffer
+ * @return length of data written to the buffer
+ */
+ private short allocate(byte keyPair, short keyLength, byte keyClass, byte[] buffer, short offset) {
+ short length = 0;
+ if ((keyPair & KEYPAIR_LOCAL) != 0) {
+ localKeypair = keyGenerator.allocatePair(keyClass, keyLength);
+ Util.setShort(buffer, offset, keyGenerator.getSW());
+ length += 2;
+ }
+
+ if ((keyPair & KEYPAIR_REMOTE) != 0) {
+ remoteKeypair = keyGenerator.allocatePair(keyClass, keyLength);
+ Util.setShort(buffer, (short) (offset + length), keyGenerator.getSW());
+ length += 2;
+ }
+
+ return length;
+ }
+
+ /**
* @param keyPair KeyPair to set params on
* @param curve curve to set (EC_Consts.CURVE_*)
* @param params parameters to set (EC_Consts.PARAMETER_* | ...)
@@ -270,33 +341,6 @@ public class ECTesterApplet extends Applet {
}
/**
- * Generates the local and remote keyPairs.
- * returns generate SWs, pubkey and privkey if export
- *
- * @param apdu P1 = byte keyPair (KEYPAIR_* | ...)
- * P2 = byte export (EXPORT_* | KEYPAIR_*)
- */
- private void insGenerate(APDU apdu) {
- apdu.setIncomingAndReceive();
- byte[] apdubuf = apdu.getBuffer();
-
- byte keyPair = apdubuf[ISO7816.OFFSET_P1];
- byte export = apdubuf[ISO7816.OFFSET_P2];
-
- short len = 0;
- if ((keyPair & KEYPAIR_LOCAL) != 0)
- len += generate(localKeypair, apdubuf, (short) 0);
- if ((keyPair & KEYPAIR_REMOTE) != 0)
- len += generate(remoteKeypair, apdubuf, len);
- if ((export & KEYPAIR_LOCAL) != 0)
- len += export(localKeypair, export, (short) (EC_Consts.PARAMETER_W | EC_Consts.PARAMETER_S), apdubuf, len);
- if ((export & KEYPAIR_REMOTE) != 0)
- len += export(remoteKeypair, export, (short) (EC_Consts.PARAMETER_W | EC_Consts.PARAMETER_S), apdubuf, len);
-
- apdu.setOutgoingAndSend((short) 0, len);
- }
-
- /**
* @param keyPair KeyPair to generate
* @param buffer buffer to write sw to
* @param offset output offset in buffer
@@ -334,29 +378,6 @@ public class ECTesterApplet extends Applet {
}
/**
- * Performs ECDH, between the pubkey specified in P1(local/remote) and the privkey specified in P2(local/remote).
- * returns deriveSecret SW, if export != 0 => short secretlen, byte[] secret
- *
- * @param apdu P1 = byte pubkey (KEYPAIR_*)
- * P2 = byte privkey (KEYPAIR_*)
- * DATA = byte export (EXPORT_ECDH || 0)
- * byte invalid (00 = valid, !00 = invalid)
- */
- private void insECDH(APDU apdu) {
- apdu.setIncomingAndReceive();
- byte[] apdubuf = apdu.getBuffer();
-
- byte pubkey = apdubuf[ISO7816.OFFSET_P1];
- byte privkey = apdubuf[ISO7816.OFFSET_P2];
- byte export = apdubuf[ISO7816.OFFSET_CDATA];
- byte invalid = apdubuf[(short) (ISO7816.OFFSET_CDATA + 1)];
-
- short len = ecdh(pubkey, privkey, export, invalid, apdubuf, (short) 0);
-
- apdu.setOutgoingAndSend((short) 0, len);
- }
-
- /**
* @param pubkey keyPair to use for public key, (KEYPAIR_LOCAL || KEYPAIR_REMOTE)
* @param privkey keyPair to use for private key, (KEYPAIR_LOCAL || KEYPAIR_REMOTE)
* @param export whether to export ECDH secret
@@ -392,27 +413,6 @@ public class ECTesterApplet extends Applet {
}
/**
- * Performs ECDSA signature and verification on data provided or random, using the keyPair in P1(local/remote).
- * returns ecdsa SW, if export != 0 => short signature_length, byte[] signature
- *
- * @param apdu P1 = byte keyPair (KEYPAIR_*)
- * P2 = byte export (EXPORT_SIG || 0)
- * DATA = short dataLength (00 = random data generated, !00 = data length)
- * byte[] data
- */
- private void insECDSA(APDU apdu) {
- apdu.setIncomingAndReceive();
- byte[] apdubuf = apdu.getBuffer();
-
- byte keyPair = apdubuf[ISO7816.OFFSET_P1];
- byte export = apdubuf[ISO7816.OFFSET_P2];
-
- short len = ecdsa(keyPair, export, apdubuf, ISO7816.OFFSET_CDATA, (short) 0);
-
- apdu.setOutgoingAndSend((short) 0, len);
- }
-
- /**
* @param keyPair keyPair to use for signing and verification (KEYPAIR_LOCAL || KEYPAIR_REMOTE)
* @param export whether to export ECDSA signature
* @param buffer buffer to write sw to, and export ECDSA signature if (export & EXPORT_SIG) != 0
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-11-08 15:55:59 +0000