418 lines
19 KiB
Java
418 lines
19 KiB
Java
/*
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* Copyright (C) 2014 Vincent Breitmoser <v.breitmoser@mugenguild.com>
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* Copyright (C) 2017 Christian Hagau <ach@hagau.se>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.sufficientlysecure.keychain.operations;
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import java.io.PrintStream;
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import java.security.MessageDigest;
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import java.security.PublicKey;
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import java.security.Security;
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import java.security.Signature;
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import java.util.ArrayList;
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import org.bouncycastle.bcpg.HashAlgorithmTags;
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import org.bouncycastle.jcajce.provider.asymmetric.eddsa.EdDSAEngine;
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import org.bouncycastle.jcajce.provider.asymmetric.eddsa.spec.EdDSANamedCurveTable;
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import org.bouncycastle.jcajce.provider.asymmetric.eddsa.spec.EdDSAParameterSpec;
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import org.bouncycastle.jce.provider.BouncyCastleProvider;
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import org.junit.Assert;
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import org.junit.Before;
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import org.junit.BeforeClass;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import org.robolectric.RuntimeEnvironment;
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import org.robolectric.shadows.ShadowLog;
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import org.sufficientlysecure.keychain.KeychainTestRunner;
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import org.sufficientlysecure.keychain.pgp.CanonicalizedPublicKey;
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import org.sufficientlysecure.keychain.pgp.UncachedKeyRing;
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import org.sufficientlysecure.keychain.daos.KeyRepository;
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import org.sufficientlysecure.keychain.daos.KeyWritableRepository;
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import org.sufficientlysecure.keychain.service.input.CryptoInputParcel;
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import org.sufficientlysecure.keychain.ssh.AuthenticationData;
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import org.sufficientlysecure.keychain.ssh.AuthenticationOperation;
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import org.sufficientlysecure.keychain.ssh.AuthenticationParcel;
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import org.sufficientlysecure.keychain.ssh.AuthenticationResult;
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import org.sufficientlysecure.keychain.support.KeyringTestingHelper;
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import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils;
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import org.sufficientlysecure.keychain.util.Passphrase;
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@RunWith(KeychainTestRunner.class)
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public class AuthenticationOperationTest {
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private static UncachedKeyRing mStaticRingRsa;
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private static UncachedKeyRing mStaticRingEcDsa;
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private static UncachedKeyRing mStaticRingEdDsa;
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private static UncachedKeyRing mStaticRingDsa;
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private static UncachedKeyRing mStaticRingRevoked;
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private static Passphrase mKeyPhrase;
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private static PrintStream oldShadowStream;
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/*
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private static void generateKeys() throws IOException {
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PgpKeyOperation op = new PgpKeyOperation(null);
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SaveKeyringParcel.Builder builder = SaveKeyringParcel.buildNewKeyringParcel();
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builder.addSubkeyAdd(SaveKeyringParcel.SubkeyAdd.createSubkeyAdd(
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SaveKeyringParcel.Algorithm.ECDSA, 0, SaveKeyringParcel.Curve.NIST_P256, KeyFlags.CERTIFY_OTHER, 0L));
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builder.addSubkeyAdd(SaveKeyringParcel.SubkeyAdd.createSubkeyAdd(
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SaveKeyringParcel.Algorithm.ECDSA, 0, SaveKeyringParcel.Curve.NIST_P256, KeyFlags.AUTHENTICATION, 0L));
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builder.addUserId("blah");
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builder.setNewUnlock(ChangeUnlockParcel.createUnLockParcelForNewKey(new Passphrase("x")));
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PgpEditKeyResult result = op.createSecretKeyRing(builder.build());
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new FileOutputStream("/tmp/authenticate_ecdsa.sec").write(result.getRing().getEncoded());
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op = new PgpKeyOperation(null);
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builder = SaveKeyringParcel.buildNewKeyringParcel();
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builder.addSubkeyAdd(SaveKeyringParcel.SubkeyAdd.createSubkeyAdd(
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SaveKeyringParcel.Algorithm.EDDSA, 0, null, KeyFlags.CERTIFY_OTHER, 0L));
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builder.addSubkeyAdd(SaveKeyringParcel.SubkeyAdd.createSubkeyAdd(
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SaveKeyringParcel.Algorithm.EDDSA, 0, null, KeyFlags.AUTHENTICATION, 0L));
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builder.addUserId("blah");
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builder.setNewUnlock(ChangeUnlockParcel.createUnLockParcelForNewKey(new Passphrase("x")));
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result = op.createSecretKeyRing(builder.build());
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new FileOutputStream("/tmp/authenticate_eddsa.sec").write(result.getRing().getEncoded());
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op = new PgpKeyOperation(null);
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builder = SaveKeyringParcel.buildNewKeyringParcel();
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builder.addSubkeyAdd(SaveKeyringParcel.SubkeyAdd.createSubkeyAdd(
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SaveKeyringParcel.Algorithm.RSA, 2048, null, KeyFlags.CERTIFY_OTHER, 0L));
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builder.addSubkeyAdd(SaveKeyringParcel.SubkeyAdd.createSubkeyAdd(
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SaveKeyringParcel.Algorithm.RSA, 2048, null, KeyFlags.AUTHENTICATION, 0L));
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builder.addUserId("blah");
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builder.setNewUnlock(ChangeUnlockParcel.createUnLockParcelForNewKey(new Passphrase("x")));
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result = op.createSecretKeyRing(builder.build());
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new FileOutputStream("/tmp/authenticate_rsa.sec").write(result.getRing().getEncoded());
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op = new PgpKeyOperation(null);
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builder = SaveKeyringParcel.buildNewKeyringParcel();
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builder.addSubkeyAdd(SaveKeyringParcel.SubkeyAdd.createSubkeyAdd(
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SaveKeyringParcel.Algorithm.DSA, 2048, null, KeyFlags.CERTIFY_OTHER, 0L));
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builder.addSubkeyAdd(SaveKeyringParcel.SubkeyAdd.createSubkeyAdd(
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SaveKeyringParcel.Algorithm.DSA, 2048, null, KeyFlags.AUTHENTICATION, 0L));
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builder.addUserId("blah");
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builder.setNewUnlock(ChangeUnlockParcel.createUnLockParcelForNewKey(new Passphrase("x")));
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result = op.createSecretKeyRing(builder.build());
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new FileOutputStream("/tmp/authenticate_dsa.sec").write(result.getRing().getEncoded());
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}
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*/
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@BeforeClass
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public static void setUpOnce() throws Exception {
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Security.insertProviderAt(new BouncyCastleProvider(), 1);
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oldShadowStream = ShadowLog.stream;
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// ShadowLog.stream = System.out;
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mKeyPhrase = new Passphrase("x");
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mStaticRingRsa = KeyringTestingHelper.readRingFromResource("/test-keys/authenticate_rsa.sec");
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mStaticRingEcDsa = KeyringTestingHelper.readRingFromResource("/test-keys/authenticate_ecdsa.sec");
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mStaticRingEdDsa = KeyringTestingHelper.readRingFromResource("/test-keys/authenticate_eddsa.sec");
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mStaticRingDsa = KeyringTestingHelper.readRingFromResource("/test-keys/authenticate_dsa.sec");
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mStaticRingRevoked = KeyringTestingHelper.readRingFromResource("/test-keys/authenticate_multisub_with_revoked.asc");
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}
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@Before
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public void setUp() {
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KeyWritableRepository databaseInteractor =
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KeyWritableRepository.create(RuntimeEnvironment.application);
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// don't log verbosely here, we're not here to test imports
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ShadowLog.stream = oldShadowStream;
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databaseInteractor.saveSecretKeyRing(mStaticRingRsa);
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databaseInteractor.saveSecretKeyRing(mStaticRingEcDsa);
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databaseInteractor.saveSecretKeyRing(mStaticRingEdDsa);
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databaseInteractor.saveSecretKeyRing(mStaticRingDsa);
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// ok NOW log verbosely!
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ShadowLog.stream = System.out;
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}
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@Test
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public void testAuthenticateRsa() throws Exception {
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byte[] challenge = "dies ist ein challenge ☭".getBytes();
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byte[] signature;
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KeyRepository keyRepository = KeyRepository.create(RuntimeEnvironment.application);
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long masterKeyId = mStaticRingRsa.getMasterKeyId();
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Long authSubKeyId = keyRepository.getSecretAuthenticationId(masterKeyId);
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{ // sign challenge
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AuthenticationOperation op = new AuthenticationOperation(RuntimeEnvironment.application,
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keyRepository);
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AuthenticationData.Builder authData = AuthenticationData.builder();
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authData.setAuthenticationMasterKeyId(masterKeyId);
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authData.setAuthenticationSubKeyId(authSubKeyId);
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authData.setHashAlgorithm(HashAlgorithmTags.SHA512);
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AuthenticationParcel authenticationParcel = AuthenticationParcel
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.createAuthenticationParcel(authData.build(), challenge);
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CryptoInputParcel inputParcel = CryptoInputParcel.createCryptoInputParcel();
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inputParcel = inputParcel.withPassphrase(mKeyPhrase, authSubKeyId);
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AuthenticationResult result = op.execute(authData.build(), inputParcel, authenticationParcel);
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Assert.assertTrue("authentication must succeed", result.success());
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signature = result.getSignature();
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}
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{ // verify signature
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CanonicalizedPublicKey canonicalizedPublicKey = keyRepository.getCanonicalizedPublicKeyRing(masterKeyId)
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.getPublicKey(authSubKeyId);
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PublicKey publicKey = canonicalizedPublicKey.getJcaPublicKey();
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Signature signatureVerifier = Signature.getInstance("SHA512withRSA");
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signatureVerifier.initVerify(publicKey);
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signatureVerifier.update(challenge);
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boolean isSignatureValid = signatureVerifier.verify(signature);
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Assert.assertTrue("signature must be valid", isSignatureValid);
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}
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}
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@Test
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public void testAuthenticateEcDsa() throws Exception {
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byte[] challenge = "dies ist ein challenge ☭".getBytes();
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byte[] signature;
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KeyRepository keyRepository = KeyRepository.create(RuntimeEnvironment.application);
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long masterKeyId = mStaticRingEcDsa.getMasterKeyId();
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Long authSubKeyId = keyRepository.getSecretAuthenticationId(masterKeyId);
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{ // sign challenge
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AuthenticationOperation op = new AuthenticationOperation(RuntimeEnvironment.application,
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keyRepository);
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AuthenticationData.Builder authData = AuthenticationData.builder();
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authData.setAuthenticationMasterKeyId(masterKeyId);
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authData.setAuthenticationSubKeyId(authSubKeyId);
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authData.setHashAlgorithm(HashAlgorithmTags.SHA512);
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AuthenticationParcel authenticationParcel = AuthenticationParcel
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.createAuthenticationParcel(authData.build(), challenge);
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CryptoInputParcel inputParcel = CryptoInputParcel.createCryptoInputParcel();
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inputParcel = inputParcel.withPassphrase(mKeyPhrase, authSubKeyId);
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AuthenticationResult result = op.execute(authData.build(), inputParcel, authenticationParcel);
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Assert.assertTrue("authentication must succeed", result.success());
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signature = result.getSignature();
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}
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{ // verify signature
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CanonicalizedPublicKey canonicalizedPublicKey = keyRepository.getCanonicalizedPublicKeyRing(masterKeyId)
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.getPublicKey(authSubKeyId);
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PublicKey publicKey = canonicalizedPublicKey.getJcaPublicKey();
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Signature signatureVerifier = Signature.getInstance("SHA512withECDSA");
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signatureVerifier.initVerify(publicKey);
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signatureVerifier.update(challenge);
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boolean isSignatureValid = signatureVerifier.verify(signature);
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Assert.assertTrue("signature must be valid", isSignatureValid);
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}
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}
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@Test
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public void testAuthenticateEdDsa() throws Exception {
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byte[] challenge = "dies ist ein challenge ☭".getBytes();
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byte[] signature;
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KeyRepository keyRepository = KeyRepository.create(RuntimeEnvironment.application);
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long masterKeyId = mStaticRingEdDsa.getMasterKeyId();
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Long authSubKeyId = keyRepository.getSecretAuthenticationId(masterKeyId);
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{ // sign challenge
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AuthenticationOperation op = new AuthenticationOperation(RuntimeEnvironment.application,
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keyRepository);
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AuthenticationData.Builder authData = AuthenticationData.builder();
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authData.setAuthenticationMasterKeyId(masterKeyId);
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authData.setAuthenticationSubKeyId(authSubKeyId);
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authData.setHashAlgorithm(HashAlgorithmTags.SHA512);
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AuthenticationParcel authenticationParcel = AuthenticationParcel
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.createAuthenticationParcel(authData.build(), challenge);
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CryptoInputParcel inputParcel = CryptoInputParcel.createCryptoInputParcel();
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inputParcel = inputParcel.withPassphrase(mKeyPhrase, authSubKeyId);
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AuthenticationResult result = op.execute(authData.build(), inputParcel, authenticationParcel);
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Assert.assertTrue("authentication must succeed", result.success());
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signature = result.getSignature();
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}
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{ // verify signature
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CanonicalizedPublicKey canonicalizedPublicKey = keyRepository.getCanonicalizedPublicKeyRing(masterKeyId)
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.getPublicKey(authSubKeyId);
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PublicKey publicKey = canonicalizedPublicKey.getJcaPublicKey();
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EdDSAParameterSpec spec = EdDSANamedCurveTable.getByName("Ed25519");
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Signature signatureVerifier = new EdDSAEngine(MessageDigest.getInstance(spec.getHashAlgorithm()));
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signatureVerifier.setParameter(EdDSAEngine.ONE_SHOT_MODE);
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signatureVerifier.initVerify(publicKey);
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signatureVerifier.update(challenge);
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boolean isSignatureValid = signatureVerifier.verify(signature);
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Assert.assertTrue("signature must be valid", isSignatureValid);
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}
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}
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@Test
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public void testAuthenticateDsa() throws Exception {
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byte[] challenge = "dies ist ein challenge ☭".getBytes();
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byte[] signature;
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KeyRepository keyRepository = KeyRepository.create(RuntimeEnvironment.application);
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long masterKeyId = mStaticRingDsa.getMasterKeyId();
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Long authSubKeyId = keyRepository.getSecretAuthenticationId(masterKeyId);
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{ // sign challenge
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AuthenticationOperation op = new AuthenticationOperation(RuntimeEnvironment.application,
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keyRepository);
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AuthenticationData.Builder authData = AuthenticationData.builder();
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authData.setAuthenticationMasterKeyId(masterKeyId);
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authData.setAuthenticationSubKeyId(authSubKeyId);
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authData.setHashAlgorithm(HashAlgorithmTags.SHA256);
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AuthenticationParcel authenticationParcel = AuthenticationParcel
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.createAuthenticationParcel(authData.build(), challenge);
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CryptoInputParcel inputParcel = CryptoInputParcel.createCryptoInputParcel();
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inputParcel = inputParcel.withPassphrase(mKeyPhrase, authSubKeyId);
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AuthenticationResult result = op.execute(authData.build(), inputParcel, authenticationParcel);
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Assert.assertTrue("authentication must succeed", result.success());
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signature = result.getSignature();
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}
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{ // verify signature
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CanonicalizedPublicKey canonicalizedPublicKey = keyRepository.getCanonicalizedPublicKeyRing(masterKeyId)
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.getPublicKey(authSubKeyId);
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PublicKey publicKey = canonicalizedPublicKey.getJcaPublicKey();
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Signature signatureVerifier = Signature.getInstance("SHA256withDSA");
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signatureVerifier.initVerify(publicKey);
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signatureVerifier.update(challenge);
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boolean isSignatureValid = signatureVerifier.verify(signature);
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Assert.assertTrue("signature must be valid", isSignatureValid);
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}
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}
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@Test
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public void testAccessControl() throws Exception {
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byte[] challenge = "dies ist ein challenge ☭".getBytes();
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KeyRepository keyRepository = KeyRepository.create(RuntimeEnvironment.application);
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long masterKeyId = mStaticRingEcDsa.getMasterKeyId();
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Long authSubKeyId = keyRepository.getSecretAuthenticationId(masterKeyId);
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{ // sign challenge - should succeed with selected key allowed
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AuthenticationOperation op = new AuthenticationOperation(RuntimeEnvironment.application,
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keyRepository);
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AuthenticationData.Builder authData = AuthenticationData.builder();
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authData.setAuthenticationMasterKeyId(masterKeyId);
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authData.setAuthenticationSubKeyId(authSubKeyId);
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authData.setHashAlgorithm(HashAlgorithmTags.SHA512);
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ArrayList<Long> allowedKeyIds = new ArrayList<>(1);
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allowedKeyIds.add(mStaticRingEcDsa.getMasterKeyId());
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authData.setAllowedAuthenticationKeyIds(allowedKeyIds);
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AuthenticationParcel authenticationParcel = AuthenticationParcel
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.createAuthenticationParcel(authData.build(), challenge);
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CryptoInputParcel inputParcel = CryptoInputParcel.createCryptoInputParcel();
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inputParcel = inputParcel.withPassphrase(mKeyPhrase, authSubKeyId);
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AuthenticationResult result = op.execute(authData.build(), inputParcel, authenticationParcel);
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Assert.assertTrue("authentication must succeed with selected key allowed", result.success());
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}
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{ // sign challenge - should fail with selected key disallowed
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AuthenticationOperation op = new AuthenticationOperation(RuntimeEnvironment.application,
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keyRepository);
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AuthenticationData.Builder authData = AuthenticationData.builder();
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authData.setAuthenticationMasterKeyId(masterKeyId);
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authData.setAuthenticationSubKeyId(authSubKeyId);
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authData.setHashAlgorithm(HashAlgorithmTags.SHA512);
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ArrayList<Long> allowedKeyIds = new ArrayList<>(1);
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authData.setAllowedAuthenticationKeyIds(allowedKeyIds);
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AuthenticationParcel authenticationParcel = AuthenticationParcel
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.createAuthenticationParcel(authData.build(), challenge);
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CryptoInputParcel inputParcel = CryptoInputParcel.createCryptoInputParcel();
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inputParcel = inputParcel.withPassphrase(mKeyPhrase, authSubKeyId);
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AuthenticationResult result = op.execute(authData.build(), inputParcel, authenticationParcel);
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Assert.assertFalse("authentication must fail with selected key disallowed", result.success());
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}
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}
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@Test
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public void testKeySelection() throws Exception {
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String expectedAuthSubKeyId = "0xcf64ee600f6fec9c";
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KeyRepository keyRepository = KeyRepository.create(RuntimeEnvironment.application);
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long masterKeyId = mStaticRingRevoked.getMasterKeyId();
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Long authSubKeyId = keyRepository.getSecretAuthenticationId(masterKeyId);
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String authSubKeyIdString = KeyFormattingUtils.convertKeyIdToHex(authSubKeyId);
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boolean isRightKey = authSubKeyIdString.equals(expectedAuthSubKeyId);
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Assert.assertTrue("selected key must be the same: " + authSubKeyIdString + " != " + expectedAuthSubKeyId, isRightKey);
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}
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}
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