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authorJ08nY2018-07-04 17:00:05 +0200
committerJ08nY2018-07-04 17:00:05 +0200
commit50244cd3ff01ad997b5900883ffbc95dbba1154f (patch)
treec02a2f1e0a9438dcd5ea232940c5981e9878700b /src/cz/crcs/ectester/reader/test/CardCompositeCurvesSuite.java
parent4db61445a293fd98a1c023df6ede143eeb88b84b (diff)
downloadECTester-50244cd3ff01ad997b5900883ffbc95dbba1154f.tar.gz
ECTester-50244cd3ff01ad997b5900883ffbc95dbba1154f.tar.zst
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Add supersingular curves, do some tests over supersingular and Barreto-Naehrig curves.
Diffstat (limited to 'src/cz/crcs/ectester/reader/test/CardCompositeCurvesSuite.java')
-rw-r--r--src/cz/crcs/ectester/reader/test/CardCompositeCurvesSuite.java98
1 files changed, 0 insertions, 98 deletions
diff --git a/src/cz/crcs/ectester/reader/test/CardCompositeCurvesSuite.java b/src/cz/crcs/ectester/reader/test/CardCompositeCurvesSuite.java
deleted file mode 100644
index 2b3724c..0000000
--- a/src/cz/crcs/ectester/reader/test/CardCompositeCurvesSuite.java
+++ /dev/null
@@ -1,98 +0,0 @@
-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.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 CardCompositeCurvesSuite extends CardTestSuite {
-
- public CardCompositeCurvesSuite(TestWriter writer, ECTesterReader.Config cfg, CardMngr cardManager) {
- super(writer, cfg, cardManager, "composite", "The composite suite runs ECDH over curves with composite order. This should generally fail, as using such a curve is unsafe.");
- }
-
- @Override
- protected void runTests() throws Exception {
- /* Do the default run with the public keys set to provided smallorder keys
- * over composite order curves. Essentially small subgroup attacks.
- * These should fail, the curves aren't safe so that if the computation with
- * a small order public key succeeds the private key modulo the public key order
- * is revealed.
- */
- Map<String, EC_Key> keys = EC_Store.getInstance().getObjects(EC_Key.class, "composite");
- List<Map.Entry<EC_Curve, List<EC_Key>>> mappedKeys = EC_Store.mapKeyToCurve(keys.values());
- for (Map.Entry<EC_Curve, List<EC_Key>> curveKeys : mappedKeys) {
- EC_Curve curve = curveKeys.getKey();
- List<Test> tests = new LinkedList<>();
- Test allocate = runTest(CommandTest.expect(new Command.Allocate(this.card, ECTesterApplet.KEYPAIR_LOCAL, curve.getBits(), curve.getField()), ExpectedValue.SUCCESS));
- if (!allocate.ok()) {
- doTest(CompoundTest.all(ExpectedValue.SUCCESS, "No support for " + curve.getBits() + "b " + CardUtil.getKeyTypeString(curve.getField()) + ".", allocate));
- continue;
- }
- tests.add(allocate);
- for (EC_Key key : curveKeys.getValue()) {
- Test set = CommandTest.expect(new Command.Set(this.card, ECTesterApplet.KEYPAIR_LOCAL, EC_Consts.CURVE_external, curve.getParams(), curve.flatten()), ExpectedValue.ANY);
- Test generate = CommandTest.expect(new Command.Generate(this.card, ECTesterApplet.KEYPAIR_LOCAL), ExpectedValue.ANY);
- 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, key.flatten());
- Test ecdh = CommandTest.expect(ecdhCommand, ExpectedValue.FAILURE, "Card correctly rejected to do ECDH over a composite order curve.", "Card incorrectly does ECDH over a composite order curve, leaks bits of private key.");
-
- tests.add(CompoundTest.greedyAllTry(ExpectedValue.SUCCESS, "Composite test of " + curve.getId() + ", " + key.getDesc(), set, generate, ecdh));
- }
- doTest(CompoundTest.all(ExpectedValue.SUCCESS, "Composite test of " + curve.getId() + ".", tests.toArray(new Test[0])));
- new Command.Cleanup(this.card).send();
- }
-
- /* Also test having a G of small order, so small R.
- */
- Map<String, EC_Curve> results = EC_Store.getInstance().getObjects(EC_Curve.class, "composite");
- List<Map.Entry<String, List<EC_Curve>>> groupList = EC_Store.mapToPrefix(results.values());
- List<EC_Curve> smallRCurves = groupList.stream().filter((e) -> e.getKey().equals("small")).findFirst().get().getValue();
- testGroup(smallRCurves, "Small generator order", ExpectedValue.FAILURE, "Card correctly rejected to do ECDH over a small order generator.", "Card incorrectly does ECDH over a small order generator.");
-
- /* Also test having a G of large but composite order, R = p * q,
- */
- List<EC_Curve> pqCurves = groupList.stream().filter((e) -> e.getKey().equals("pq")).findFirst().get().getValue();
- testGroup(pqCurves, null, ExpectedValue.ANY, "", "");
-
- /* Also test rg0 curves.
- */
- List<EC_Curve> rg0Curves = groupList.stream().filter((e) -> e.getKey().equals("rg0")).findFirst().get().getValue();
- testGroup(rg0Curves, null, ExpectedValue.ANY, "", "");
- }
-
- private void testGroup(List<EC_Curve> curves, String testName, ExpectedValue dhValue, String ok, String nok) throws Exception {
- for (EC_Curve curve : curves) {
- 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.ANY);
- Test generate = CommandTest.expect(new Command.Generate(this.card, ECTesterApplet.KEYPAIR_BOTH), ExpectedValue.ANY);
- Test ecdh = CommandTest.expect(new Command.ECDH(this.card, ECTesterApplet.KEYPAIR_LOCAL, ECTesterApplet.KEYPAIR_REMOTE, ECTesterApplet.EXPORT_FALSE, EC_Consts.TRANSFORMATION_NONE, EC_Consts.KeyAgreement_ALG_EC_SVDP_DH), dhValue, ok, nok);
-
- String description;
- if (testName == null) {
- description = curve.getDesc() + " test of " + curve.getId() + ".";
- } else {
- description = testName + " test of " + curve.getId() + ".";
- }
- doTest(CompoundTest.greedyAllTry(ExpectedValue.SUCCESS, description, allocate, set, generate, ecdh));
- new Command.Cleanup(this.card).send();
- }
-
- }
-}