Examples with JwtHmacKey com.google.crypto.tink.proto.JwtHmacKey used on opensource projects

Example 1 with JwtHmacKey

use of com.google.crypto.tink.proto.JwtHmacKey in project tink by google.

the class JwtHmacKeyManagerTest method createSignVerifyTink_withDifferentHeaders.

@Test
public void createSignVerifyTink_withDifferentHeaders() throws Exception {
    KeyTemplate template = KeyTemplates.get("JWT_HS256");
    KeysetHandle handle = KeysetHandle.generateNew(template);
    Keyset keyset = CleartextKeysetHandle.getKeyset(handle);
    JwtHmacKey keyProto = JwtHmacKey.parseFrom(keyset.getKey(0).getKeyData().getValue(), ExtensionRegistryLite.getEmptyRegistry());
    byte[] keyValue = keyProto.getKeyValue().toByteArray();
    SecretKeySpec keySpec = new SecretKeySpec(keyValue, "HMAC");
    PrfHmacJce prf = new PrfHmacJce("HMACSHA256", keySpec);
    PrfMac rawPrimitive = new PrfMac(prf, prf.getMaxOutputLength());
    JwtMac primitive = handle.getPrimitive(JwtMac.class);
    String kid = JwtFormat.getKid(keyset.getKey(0).getKeyId(), keyset.getKey(0).getOutputPrefixType()).get();
    JsonObject payload = new JsonObject();
    payload.addProperty("jti", "jwtId");
    JwtValidator validator = JwtValidator.newBuilder().allowMissingExpiration().build();
    // Normal, valid signed compact.
    JsonObject normalHeader = new JsonObject();
    normalHeader.addProperty("alg", "HS256");
    normalHeader.addProperty("kid", kid);
    String normalToken = generateSignedCompact(rawPrimitive, normalHeader, payload);
    primitive.verifyMacAndDecode(normalToken, validator);
    // valid token, with "typ" set in the header
    JsonObject headerWithTyp = new JsonObject();
    headerWithTyp.addProperty("alg", "HS256");
    headerWithTyp.addProperty("typ", "typeHeader");
    headerWithTyp.addProperty("kid", kid);
    String tokenWithTyp = generateSignedCompact(rawPrimitive, headerWithTyp, payload);
    primitive.verifyMacAndDecode(tokenWithTyp, JwtValidator.newBuilder().expectTypeHeader("typeHeader").allowMissingExpiration().build());
    // invalid token without algorithm
    JsonObject headerWithoutAlg = new JsonObject();
    headerWithoutAlg.addProperty("kid", kid);
    String tokenWithoutAlg = generateSignedCompact(rawPrimitive, headerWithoutAlg, payload);
    assertThrows(GeneralSecurityException.class, () -> primitive.verifyMacAndDecode(tokenWithoutAlg, validator));
    // invalid token with a valid but incorrect algorithm in the header
    JsonObject headerWithBadAlg = new JsonObject();
    headerWithBadAlg.addProperty("alg", "RS256");
    headerWithBadAlg.addProperty("kid", kid);
    String tokenWithBadAlg = generateSignedCompact(rawPrimitive, headerWithBadAlg, payload);
    assertThrows(GeneralSecurityException.class, () -> primitive.verifyMacAndDecode(tokenWithBadAlg, validator));
    // token with an unknown "kid" in the header is valid
    JsonObject headerWithUnknownKid = new JsonObject();
    headerWithUnknownKid.addProperty("alg", "HS256");
    headerWithUnknownKid.addProperty("kid", "unknown");
    String tokenWithUnknownKid = generateSignedCompact(rawPrimitive, headerWithUnknownKid, payload);
    assertThrows(GeneralSecurityException.class, () -> primitive.verifyMacAndDecode(tokenWithUnknownKid, validator));
}

Example 2 with JwtHmacKey

use of com.google.crypto.tink.proto.JwtHmacKey in project tink by google.

the class JwtHmacKeyManagerTest method validateKey_notValid_throws.

@Test
public void validateKey_notValid_throws() throws Exception {
    JwtHmacKey validKey = factory.createKey(makeJwtHmacKeyFormat(32, JwtHmacAlgorithm.HS256));
    assertThrows(GeneralSecurityException.class, () -> manager.validateKey(JwtHmacKey.newBuilder(validKey).setKeyValue(ByteString.copyFrom(Random.randBytes(31))).build()));
}

Example 3 with JwtHmacKey

use of com.google.crypto.tink.proto.JwtHmacKey in project tink by google.

the class JwtHmacKeyManagerTest method createSignVerifyRaw_withDifferentHeaders.

@Test
public void createSignVerifyRaw_withDifferentHeaders() throws Exception {
    KeyTemplate template = KeyTemplates.get("JWT_HS256_RAW");
    KeysetHandle handle = KeysetHandle.generateNew(template);
    Keyset keyset = CleartextKeysetHandle.getKeyset(handle);
    JwtHmacKey keyProto = JwtHmacKey.parseFrom(keyset.getKey(0).getKeyData().getValue(), ExtensionRegistryLite.getEmptyRegistry());
    byte[] keyValue = keyProto.getKeyValue().toByteArray();
    SecretKeySpec keySpec = new SecretKeySpec(keyValue, "HMAC");
    PrfHmacJce prf = new PrfHmacJce("HMACSHA256", keySpec);
    PrfMac rawPrimitive = new PrfMac(prf, prf.getMaxOutputLength());
    JwtMac primitive = handle.getPrimitive(JwtMac.class);
    JsonObject payload = new JsonObject();
    payload.addProperty("jti", "jwtId");
    JwtValidator validator = JwtValidator.newBuilder().allowMissingExpiration().build();
    // Normal, valid signed compact.
    JsonObject normalHeader = new JsonObject();
    normalHeader.addProperty("alg", "HS256");
    String normalSignedCompact = generateSignedCompact(rawPrimitive, normalHeader, payload);
    primitive.verifyMacAndDecode(normalSignedCompact, validator);
    // valid token, with "typ" set in the header
    JsonObject goodHeader = new JsonObject();
    goodHeader.addProperty("alg", "HS256");
    goodHeader.addProperty("typ", "typeHeader");
    String goodSignedCompact = generateSignedCompact(rawPrimitive, goodHeader, payload);
    primitive.verifyMacAndDecode(goodSignedCompact, JwtValidator.newBuilder().expectTypeHeader("typeHeader").allowMissingExpiration().build());
    // invalid token with an empty header
    JsonObject emptyHeader = new JsonObject();
    String emptyHeaderSignedCompact = generateSignedCompact(rawPrimitive, emptyHeader, payload);
    assertThrows(GeneralSecurityException.class, () -> primitive.verifyMacAndDecode(emptyHeaderSignedCompact, validator));
    // invalid token with a valid but incorrect algorithm in the header
    JsonObject badAlgoHeader = new JsonObject();
    badAlgoHeader.addProperty("alg", "RS256");
    String badAlgoSignedCompact = generateSignedCompact(rawPrimitive, badAlgoHeader, payload);
    assertThrows(GeneralSecurityException.class, () -> primitive.verifyMacAndDecode(badAlgoSignedCompact, validator));
    // for raw keys without customKid, the validation should work even if a "kid" header is present.
    JsonObject headerWithUnknownKid = new JsonObject();
    headerWithUnknownKid.addProperty("alg", "HS256");
    headerWithUnknownKid.addProperty("kid", "unknown");
    String tokenWithUnknownKid = generateSignedCompact(rawPrimitive, headerWithUnknownKid, payload);
    primitive.verifyMacAndDecode(tokenWithUnknownKid, validator);
}

Example 4 with JwtHmacKey

use of com.google.crypto.tink.proto.JwtHmacKey in project tink by google.

the class JwtHmacKeyManagerTest method withCustomKid.

/* Create a new keyset handle with the "custom_kid" value set. */
private KeysetHandle withCustomKid(KeysetHandle keysetHandle, String customKid) throws Exception {
    Keyset keyset = CleartextKeysetHandle.getKeyset(keysetHandle);
    JwtHmacKey hmacKey = JwtHmacKey.parseFrom(keyset.getKey(0).getKeyData().getValue(), ExtensionRegistryLite.getEmptyRegistry());
    JwtHmacKey hmacKeyWithKid = hmacKey.toBuilder().setCustomKid(CustomKid.newBuilder().setValue(customKid).build()).build();
    KeyData keyDataWithKid = keyset.getKey(0).getKeyData().toBuilder().setValue(hmacKeyWithKid.toByteString()).build();
    Keyset.Key keyWithKid = keyset.getKey(0).toBuilder().setKeyData(keyDataWithKid).build();
    return CleartextKeysetHandle.fromKeyset(keyset.toBuilder().setKey(0, keyWithKid).build());
}

Example 5 with JwtHmacKey

use of com.google.crypto.tink.proto.JwtHmacKey in project tink by google.

the class JwtHmacKeyManagerTest method macWithTinkKeyAndCustomKid_fails.

@Test
public void macWithTinkKeyAndCustomKid_fails() throws Exception {
    KeyTemplate template = KeyTemplates.get("JWT_HS256");
    KeysetHandle handle = KeysetHandle.generateNew(template);
    // Create a new handle with the "kid" value set.
    Keyset keyset = CleartextKeysetHandle.getKeyset(handle);
    JwtHmacKey hmacKey = JwtHmacKey.parseFrom(keyset.getKey(0).getKeyData().getValue(), ExtensionRegistryLite.getEmptyRegistry());
    JwtHmacKey hmacKeyWithKid = hmacKey.toBuilder().setCustomKid(CustomKid.newBuilder().setValue("Lorem ipsum dolor sit amet, consectetur adipiscing elit").build()).build();
    KeyData keyDataWithKid = keyset.getKey(0).getKeyData().toBuilder().setValue(hmacKeyWithKid.toByteString()).build();
    Keyset.Key keyWithKid = keyset.getKey(0).toBuilder().setKeyData(keyDataWithKid).build();
    KeysetHandle handleWithKid = CleartextKeysetHandle.fromKeyset(keyset.toBuilder().setKey(0, keyWithKid).build());
    JwtMac jwtMacWithKid = handleWithKid.getPrimitive(JwtMac.class);
    RawJwt rawToken = RawJwt.newBuilder().setJwtId("jwtId").withoutExpiration().build();
    assertThrows(JwtInvalidException.class, () -> jwtMacWithKid.computeMacAndEncode(rawToken));
}