Allow id-card authentication when Extended Key Usage is not present in certificate

src/main/java/eu/webeid/security/validator/certvalidators/SubjectCertificatePurposeValidator.java

@@ -36,8 +36,8 @@
 public final class SubjectCertificatePurposeValidator {
 
     private static final Logger LOG = LoggerFactory.getLogger(SubjectCertificatePurposeValidator.class);
+    private static final int KEY_USAGE_DIGITAL_SIGNATURE = 0;
     private static final String EXTENDED_KEY_USAGE_CLIENT_AUTHENTICATION = "1.3.6.1.5.5.7.3.2";
-
     /**
      * Validates that the purpose of the user certificate from the authentication token contains client authentication.
      *
@@ -46,9 +46,18 @@ public final class SubjectCertificatePurposeValidator {
      */
     public static void validateCertificatePurpose(X509Certificate subjectCertificate) throws AuthTokenException {
         try {
+            final boolean[] keyUsage = subjectCertificate.getKeyUsage();
+            if (keyUsage == null) {
+                throw new UserCertificateMissingPurposeException();
+            }
+            if (!keyUsage[KEY_USAGE_DIGITAL_SIGNATURE]) {
+                throw new UserCertificateWrongPurposeException();
+            }
             final List<String> usages = subjectCertificate.getExtendedKeyUsage();
             if (usages == null || usages.isEmpty()) {
-                throw new UserCertificateMissingPurposeException();
+                // Digital Signature extension present, but Extended Key Usage extension not present,
+                // assume it is an authentication certificate (e.g. Luxembourg eID).
+                return;
             }
             if (!usages.contains(EXTENDED_KEY_USAGE_CLIENT_AUTHENTICATION)) {
                 throw new UserCertificateWrongPurposeException();

src/test/java/eu/webeid/security/testutil/AuthTokenValidators.java

@@ -94,6 +94,20 @@ public static AuthTokenValidator getAuthTokenValidatorWithDisallowedESTEIDPolicy
             .build();
     }
 
+    public static AuthTokenValidator getAuthTokenValidatorForBelgianIdCard() throws CertificateException, IOException, JceException {
+      return getAuthTokenValidator(
+                "https://47f0-46-131-86-189.ngrok-free.app",
+                CertificateLoader.loadCertificatesFromResources("eID TEST EC Citizen CA.cer")
+            );
+    }
+
+    public static AuthTokenValidator getAuthTokenValidatorForFinnishIdCard() throws CertificateException, IOException, JceException {
+      return getAuthTokenValidator(
+                "https://47f0-46-131-86-189.ngrok-free.app",
+                CertificateLoader.loadCertificatesFromResources("DVV TEST Certificates - G5E.crt", "VRK TEST CA for Test Purposes - G4.crt")
+            );
+    }
+
     public static AuthTokenValidatorBuilder getDefaultAuthTokenValidatorBuilder() throws CertificateException, IOException {
         return getAuthTokenValidatorBuilder(TOKEN_ORIGIN_URL, getCACertificates());
     }

src/test/java/eu/webeid/security/validator/AuthTokenCertificateBelgianIdCardTest.java

@@ -0,0 +1,97 @@
+/*
+ * Copyright (c) 2020-2025 Estonian Information System Authority
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package eu.webeid.security.validator;
+
+import static eu.webeid.security.testutil.DateMocker.mockDate;
+import static org.assertj.core.api.Assertions.assertThatCode;
+import static org.mockito.Mockito.mockStatic;
+
+import eu.webeid.security.authtoken.WebEidAuthToken;
+import eu.webeid.security.exceptions.AuthTokenException;
+import eu.webeid.security.testutil.AbstractTestWithValidator;
+import eu.webeid.security.testutil.AuthTokenValidators;
+import eu.webeid.security.util.DateAndTime;
+import java.io.IOException;
+import java.security.cert.CertificateException;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.mockito.MockedStatic;
+
+class AuthTokenCertificateBelgianIdCardTest extends AbstractTestWithValidator {
+
+    private static final String BELGIAN_TEST_ID_CARD_AUTH_TOKEN_ECC =
+        "{" +
+        "  \"action\": \"web-eid:authenticate-success\"," +
+        "  \"algorithm\": \"ES384\"," +
+        "  \"appVersion\": \"https://web-eid.eu/web-eid-app/releases/2.7.0+965\"," +
+        "  \"format\": \"web-eid:1.0\"," +
+        "  \"signature\": \"VWCxJ+NrWpNsLJwLbJ1IXuJkkrRsxhfZ1uVmaoY3gBMPrvULaLAp+A1VYGJ2QWobL9FvhMyEQpVlO99ytovux3pX75gHkf3Z0sBjtNqr/QS0ac+qI2hEccFnU0H7deO7\"," +
+        "  \"unverifiedCertificate\": \"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\"" +
+        "}";
+
+    private static final String BELGIAN_TEST_ID_CARD_AUTH_TOKEN_RSA =
+        "{" +
+        "  \"action\": \"web-eid:authenticate-success\"," +
+        "  \"algorithm\": \"RS256\"," +
+        "  \"appVersion\": \"https://web-eid.eu/web-eid-app/releases/2.7.0+965\"," +
+        "  \"format\": \"web-eid:1.0\"," +
+        "  \"signature\": \"KQsMoSj3lWz1H3NZ2LYtV27oIi2LdiBonYVjxZrRUt7qFBmepRRHY+vtM0qOZ0J8i9DwR25hmVi60S2yNAkYMIdYp3g2o8FamSpdz5MZBAGCpxF0yqK74sHN+87qjqj4qMv2rUIKMluhvjuwLSzZHaJzJyels/jdOHTQNgZ8S3ufEoCvLYcVU19TFryoo7ZWKfSB8qTWIv3UdOBTWG7fcU/fOwQmw9YAGrfKTJevTDIwcdLccqKXc1JzDWx6eargAx9Pa3Ehwa1SwB0aTXYVsfO+9awlFzjTXAnCudzKLoYBmNJedmv0MXlxNHSFQ9sNZDVgV4Sb5nQSlXE0st9uoQ==\"," +
+        "  \"unverifiedCertificate\": \"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\"" +
+        "}";
+
+    private MockedStatic<DateAndTime.DefaultClock> mockedClock;
+
+    @Override
+    @BeforeEach
+    protected void setup() {
+        super.setup();
+        mockedClock = mockStatic(DateAndTime.DefaultClock.class);
+        // Ensure that the certificates do not expire.
+        mockDate("2024-12-24", mockedClock);
+    }
+
+    @AfterEach
+    void tearDown() {
+        mockedClock.close();
+    }
+
+    @Test
+    void whenIdCardWithECCSignatureCertificateIsValidated_thenValidationSucceeds() throws AuthTokenException, CertificateException, IOException {
+        AuthTokenValidator validator = AuthTokenValidators.getAuthTokenValidatorForBelgianIdCard();
+        final WebEidAuthToken token = validator.parse(BELGIAN_TEST_ID_CARD_AUTH_TOKEN_ECC);
+        assertThatCode(() -> validator
+            .validate(token, "iMeEwP2cgUINY2XoO/lqEpOUn7z/ysHRqGXkGKC4VXE="))
+            .doesNotThrowAnyException();
+    }
+
+    @Test
+    void whenIdCardWithRSASignatureCertificateIsValidated_thenValidationSucceeds() throws AuthTokenException, CertificateException, IOException {
+        AuthTokenValidator validator = AuthTokenValidators.getAuthTokenValidatorForBelgianIdCard();
+        final WebEidAuthToken token = validator.parse(BELGIAN_TEST_ID_CARD_AUTH_TOKEN_RSA);
+        assertThatCode(() -> validator
+            .validate(token, "YPVgYc7Qds0qmK/RilPLffnsIg7IIovM4BAWqGZWwiY="))
+            .doesNotThrowAnyException();
+    }
+
+}

src/test/java/eu/webeid/security/validator/AuthTokenCertificateFinnishIdCardTest.java

@@ -0,0 +1,98 @@
+/*
+ * Copyright (c) 2020-2025 Estonian Information System Authority
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package eu.webeid.security.validator;
+
+import static eu.webeid.security.testutil.DateMocker.mockDate;
+import static org.assertj.core.api.Assertions.assertThatCode;
+import static org.mockito.Mockito.mockStatic;
+
+import eu.webeid.security.authtoken.WebEidAuthToken;
+import eu.webeid.security.exceptions.AuthTokenException;
+import eu.webeid.security.testutil.AbstractTestWithValidator;
+import eu.webeid.security.testutil.AuthTokenValidators;
+import eu.webeid.security.util.DateAndTime;
+import java.io.IOException;
+import java.security.cert.CertificateException;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.mockito.MockedStatic;
+
+class AuthTokenCertificateFinnishIdCardTest extends AbstractTestWithValidator {
+
+    private static final String FINNISH_TEST_ID_CARD_BACKMAN_JUHANI_AUTH_TOKEN =
+        "{" +
+        "  \"action\": \"web-eid:authenticate-success\"," +
+        "  \"algorithm\": \"ES384\"," +
+        "  \"appVersion\": \"https://web-eid.eu/web-eid-app/releases/2.7.0+965\"," +
+        "  \"format\": \"web-eid:1.0\"," +
+        "  \"signature\": \"dUzVVAvN4dLFSKo0De4WQsDMiXpoQVjT8km6RLePeRyhlsA7swaq7XLfGOO1Qw4o5DrWAKBOlElwpJO9GgO6nPhDsco4SVKHSdSKbJMvg0E8qrCo3dUbdT/Y5UhKFPNl\"," +
+        "  \"unverifiedCertificate\": \"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\"" +
+        "}";
+
+    private static final String FINNISH_TEST_ID_CARD_BABAFO_VELI_AUTH_TOKEN =
+        "{" +
+        "  \"action\": \"web-eid:authenticate-success\"," +
+        "  \"algorithm\": \"PS256\"," +
+        "  \"appVersion\": \"https://web-eid.eu/web-eid-app/releases/2.7.0+965\"," +
+        "  \"format\": \"web-eid:1.0\"," +
+        "  \"signature\": \"TFJ+l/NyDIMzoRyJxXprA88kBZXTvQ1gu2vUWhf4sz468acq46WWllIVs9/nIwBRMt3cPnDwKT21EkgIBc/bhBO+7SlWcRAov0N9Nja0pebJAfYKyY0VONN9T4/LRnCg3NVFZequuk+6roV1vVPhySmOz29w/HM5F5tENbxkgn5uw3q7H44qUVE/s01vhmiCHpz98HGm01jX4p6Pm1IxQ5lcx+2wSYvm0t1G973pz+SXmJBE0rGOS8v+bmP15mIiIyGYeUFIvgw9cWsLhgyhYZwymm+Isfa/wAKbtmxT1bI2a7xIR+XDrG4xrwqOETaYUzshOfgvD5JViY+GLianbA==\"," +
+        "  \"unverifiedCertificate\": \"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\"" +
+        "}";
+
+    private MockedStatic<DateAndTime.DefaultClock> mockedClock;
+
+    @Override
+    @BeforeEach
+    protected void setup() {
+        super.setup();
+
+        mockedClock = mockStatic(DateAndTime.DefaultClock.class);
+        // Ensure that the certificates do not expire.
+        mockDate("2024-12-24", mockedClock);
+    }
+
+    @AfterEach
+    void tearDown() {
+        mockedClock.close();
+    }
+
+    @Test
+    void whenIdCardSignatureCertificateWithG5ERootCertificateIsValidated_thenValidationSucceeds() throws AuthTokenException, CertificateException, IOException {
+        AuthTokenValidator validator = AuthTokenValidators.getAuthTokenValidatorForFinnishIdCard();
+        final WebEidAuthToken token = validator.parse(FINNISH_TEST_ID_CARD_BACKMAN_JUHANI_AUTH_TOKEN);
+        assertThatCode(() -> validator
+            .validate(token, "x9qZDRO/ao2zprt3Z0bkW4CvvE/gALFtUIf3tcC0XxY="))
+            .doesNotThrowAnyException();
+    }
+
+    @Test
+    void whenIdCardSignatureCertificateWithG4RootCertificateIsValidated_thenValidationSucceeds() throws AuthTokenException, CertificateException, IOException {
+        AuthTokenValidator validator = AuthTokenValidators.getAuthTokenValidatorForFinnishIdCard();
+        final WebEidAuthToken token = validator.parse(FINNISH_TEST_ID_CARD_BABAFO_VELI_AUTH_TOKEN);
+        assertThatCode(() -> validator
+            .validate(token, "ZqlDATkQRqh7LkqEbspBc2qDjot29oiNLlITdLgiVIo="))
+            .doesNotThrowAnyException();
+    }
+
+}