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package cz.crcs.ectester.reader.test;
import cz.crcs.ectester.applet.ECTesterApplet;
import cz.crcs.ectester.applet.EC_Consts;
import cz.crcs.ectester.common.ec.EC_Curve;
import cz.crcs.ectester.common.ec.EC_Key;
import cz.crcs.ectester.common.output.TestWriter;
import cz.crcs.ectester.common.test.CompoundTest;
import cz.crcs.ectester.common.test.Result;
import cz.crcs.ectester.common.test.Test;
import cz.crcs.ectester.common.util.CardUtil;
import cz.crcs.ectester.data.EC_Store;
import cz.crcs.ectester.reader.CardMngr;
import cz.crcs.ectester.reader.ECTesterReader;
import cz.crcs.ectester.reader.command.Command;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import static cz.crcs.ectester.common.test.Result.ExpectedValue;
/**
* @author Jan Jancar johny@neuromancer.sk
*/
public class CardInvalidSuite extends CardTestSuite {
public CardInvalidSuite(TestWriter writer, ECTesterReader.Config cfg, CardMngr cardManager) {
super(writer, cfg, cardManager, "invalid", "The invalid curve suite tests whether the card rejects points outside of the curve during ECDH.");
}
@Override
protected void runTests() throws Exception {
/* Set original curves (secg/nist/brainpool). Generate local.
* Try ECDH with invalid public keys of increasing order.
*/
Map<String, EC_Key.Public> pubkeys = EC_Store.getInstance().getObjects(EC_Key.Public.class, "invalid");
Map<EC_Curve, List<EC_Key.Public>> curveList = EC_Store.mapKeyToCurve(pubkeys.values());
for (Map.Entry<EC_Curve, List<EC_Key.Public>> e : curveList.entrySet()) {
EC_Curve curve = e.getKey();
List<EC_Key.Public> keys = e.getValue();
Test allocate = CommandTest.expect(new Command.Allocate(this.card, ECTesterApplet.KEYPAIR_BOTH, curve.getBits(), curve.getField()), ExpectedValue.SUCCESS);
Test set = CommandTest.expect(new Command.Set(this.card, ECTesterApplet.KEYPAIR_BOTH, EC_Consts.CURVE_external, curve.getParams(), curve.flatten()), ExpectedValue.SUCCESS);
Test generate = CommandTest.expect(new Command.Generate(this.card, ECTesterApplet.KEYPAIR_LOCAL), ExpectedValue.SUCCESS);
Test prepare = CompoundTest.all(ExpectedValue.SUCCESS, "Prepare and generate keypair on " + curve.getId(), allocate, set, generate);
List<Test> ecdhTests = new LinkedList<>();
for (EC_Key.Public pub : keys) {
Test setPub = CommandTest.expect(new Command.Set(this.card, ECTesterApplet.KEYPAIR_REMOTE, EC_Consts.CURVE_external, pub.getParams(), pub.flatten()), Result.ExpectedValue.FAILURE);
Test ecdh = CommandTest.expect(new Command.ECDH(this.card, ECTesterApplet.KEYPAIR_REMOTE, ECTesterApplet.KEYPAIR_LOCAL, ECTesterApplet.EXPORT_FALSE, EC_Consts.TRANSFORMATION_NONE, EC_Consts.KeyAgreement_ALG_EC_SVDP_DH), Result.ExpectedValue.FAILURE);
Test objectEcdh = CompoundTest.any(Result.ExpectedValue.SUCCESS, CardUtil.getKATypeString(EC_Consts.KeyAgreement_ALG_EC_SVDP_DH) + " test with invalid pubkey.", setPub, ecdh);
Command ecdhCommand = new Command.ECDH_direct(this.card, ECTesterApplet.KEYPAIR_LOCAL, ECTesterApplet.EXPORT_FALSE, EC_Consts.TRANSFORMATION_NONE, EC_Consts.KeyAgreement_ALG_EC_SVDP_DH, pub.flatten());
Test rawEcdh = CommandTest.expect(ecdhCommand, ExpectedValue.FAILURE, "Card correctly rejected point on invalid curve.", "Card incorrectly accepted point on invalid curve.");
ecdhTests.add(CompoundTest.all(Result.ExpectedValue.SUCCESS, pub.getId() + " invalid key test.", objectEcdh, rawEcdh));
}
Test ecdh = CompoundTest.all(ExpectedValue.SUCCESS, "Perform ECDH with invalid public points", ecdhTests.toArray(new Test[0]));
if (cfg.cleanup) {
Test cleanup = CommandTest.expect(new Command.Cleanup(this.card), ExpectedValue.ANY);
doTest(CompoundTest.greedyAllTry(ExpectedValue.SUCCESS, "Invalid curve test of " + curve.getId(), prepare, ecdh, cleanup));
} else {
doTest(CompoundTest.greedyAllTry(ExpectedValue.SUCCESS, "Invalid curve test of " + curve.getId(), prepare, ecdh));
}
}
}
}
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