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| author | J08nY | 2018-07-04 17:00:05 +0200 |
|---|---|---|
| committer | J08nY | 2018-07-04 17:00:05 +0200 |
| commit | 50244cd3ff01ad997b5900883ffbc95dbba1154f (patch) | |
| tree | c02a2f1e0a9438dcd5ea232940c5981e9878700b /src/cz/crcs/ectester/reader/test/CardCompositeCurvesSuite.java | |
| parent | 4db61445a293fd98a1c023df6ede143eeb88b84b (diff) | |
| download | ECTester-50244cd3ff01ad997b5900883ffbc95dbba1154f.tar.gz ECTester-50244cd3ff01ad997b5900883ffbc95dbba1154f.tar.zst ECTester-50244cd3ff01ad997b5900883ffbc95dbba1154f.zip | |
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.java | 98 |
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(); - } - - } -} |
