Examples with RsaSsaPssSignJce com.google.crypto.tink.subtle.RsaSsaPssSignJce used on opensource projects

Example 1 with RsaSsaPssSignJce

use of com.google.crypto.tink.subtle.RsaSsaPssSignJce in project tink by google.

the class JwtRsaSsaPssSignKeyManagerTest method createSignVerifyTink_withDifferentHeaders.

@Test
public void createSignVerifyTink_withDifferentHeaders() throws Exception {
    // creating keys is too slow in Tsan.
    assumeFalse(TestUtil.isTsan());
    KeyTemplate template = KeyTemplates.get("JWT_PS256_2048_F4");
    KeysetHandle handle = KeysetHandle.generateNew(template);
    Keyset keyset = CleartextKeysetHandle.getKeyset(handle);
    JwtRsaSsaPssPrivateKey keyProto = JwtRsaSsaPssPrivateKey.parseFrom(keyset.getKey(0).getKeyData().getValue(), ExtensionRegistryLite.getEmptyRegistry());
    RSAPrivateCrtKey privateKey = createPrivateKey(keyProto);
    JwtRsaSsaPssAlgorithm algorithm = keyProto.getPublicKey().getAlgorithm();
    Enums.HashType hash = JwtRsaSsaPssVerifyKeyManager.hashForPssAlgorithm(algorithm);
    int saltLength = JwtRsaSsaPssVerifyKeyManager.saltLengthForPssAlgorithm(algorithm);
    RsaSsaPssSignJce rawSigner = new RsaSsaPssSignJce(privateKey, hash, hash, saltLength);
    JwtPublicKeyVerify verifier = handle.getPublicKeysetHandle().getPrimitive(JwtPublicKeyVerify.class);
    JwtValidator validator = JwtValidator.newBuilder().allowMissingExpiration().build();
    String kid = JwtFormat.getKid(keyset.getKey(0).getKeyId(), keyset.getKey(0).getOutputPrefixType()).get();
    JsonObject payload = new JsonObject();
    payload.addProperty("jti", "jwtId");
    // normal, valid token
    JsonObject normalHeader = new JsonObject();
    normalHeader.addProperty("alg", "PS256");
    normalHeader.addProperty("kid", kid);
    String validToken = generateSignedCompact(rawSigner, normalHeader, payload);
    verifier.verifyAndDecode(validToken, validator);
    // token without kid are rejected, even if they are valid.
    JsonObject headerWithoutKid = new JsonObject();
    headerWithoutKid.addProperty("alg", "PS256");
    String tokenWithoutKid = generateSignedCompact(rawSigner, headerWithoutKid, payload);
    assertThrows(GeneralSecurityException.class, () -> verifier.verifyAndDecode(tokenWithoutKid, validator));
    // token without algorithm in header
    JsonObject headerWithoutAlg = new JsonObject();
    headerWithoutAlg.addProperty("kid", kid);
    String tokenWithoutAlg = generateSignedCompact(rawSigner, headerWithoutAlg, payload);
    assertThrows(GeneralSecurityException.class, () -> verifier.verifyAndDecode(tokenWithoutAlg, validator));
    // invalid token with an incorrect algorithm in the header
    JsonObject headerWithBadAlg = new JsonObject();
    headerWithBadAlg.addProperty("alg", "RS256");
    headerWithBadAlg.addProperty("kid", kid);
    String tokenWithBadAlg = generateSignedCompact(rawSigner, headerWithBadAlg, payload);
    assertThrows(GeneralSecurityException.class, () -> verifier.verifyAndDecode(tokenWithBadAlg, validator));
    // token with an unknown "kid" in the header is invalid
    JsonObject headerWithUnknownKid = new JsonObject();
    headerWithUnknownKid.addProperty("alg", "PS256");
    headerWithUnknownKid.addProperty("kid", "unknown");
    String tokenWithUnknownKid = generateSignedCompact(rawSigner, headerWithUnknownKid, payload);
    assertThrows(GeneralSecurityException.class, () -> verifier.verifyAndDecode(tokenWithUnknownKid, validator));
}

Example 2 with RsaSsaPssSignJce

use of com.google.crypto.tink.subtle.RsaSsaPssSignJce in project tink by google.

the class JwtRsaSsaPssSignKeyManagerTest method createSignVerify_withDifferentHeaders.

@Test
public void createSignVerify_withDifferentHeaders() throws Exception {
    // creating keys is too slow in Tsan.
    assumeFalse(TestUtil.isTsan());
    KeyTemplate template = KeyTemplates.get("JWT_PS256_2048_F4_RAW");
    KeysetHandle handle = KeysetHandle.generateNew(template);
    Keyset keyset = CleartextKeysetHandle.getKeyset(handle);
    JwtRsaSsaPssPrivateKey keyProto = JwtRsaSsaPssPrivateKey.parseFrom(keyset.getKey(0).getKeyData().getValue(), ExtensionRegistryLite.getEmptyRegistry());
    RSAPrivateCrtKey privateKey = createPrivateKey(keyProto);
    JwtRsaSsaPssAlgorithm algorithm = keyProto.getPublicKey().getAlgorithm();
    Enums.HashType hash = JwtRsaSsaPssVerifyKeyManager.hashForPssAlgorithm(algorithm);
    int saltLength = JwtRsaSsaPssVerifyKeyManager.saltLengthForPssAlgorithm(algorithm);
    RsaSsaPssSignJce rawSigner = new RsaSsaPssSignJce(privateKey, hash, hash, saltLength);
    JwtPublicKeyVerify verifier = handle.getPublicKeysetHandle().getPrimitive(JwtPublicKeyVerify.class);
    JwtValidator validator = JwtValidator.newBuilder().allowMissingExpiration().build();
    JsonObject payload = new JsonObject();
    payload.addProperty("jti", "jwtId");
    // valid token, with "typ" set in the header
    JsonObject goodHeader = new JsonObject();
    goodHeader.addProperty("alg", "PS256");
    goodHeader.addProperty("typ", "typeHeader");
    String goodSignedCompact = generateSignedCompact(rawSigner, goodHeader, payload);
    verifier.verifyAndDecode(goodSignedCompact, JwtValidator.newBuilder().expectTypeHeader("typeHeader").allowMissingExpiration().build());
    // invalid token with an empty header
    JsonObject emptyHeader = new JsonObject();
    String emptyHeaderSignedCompact = generateSignedCompact(rawSigner, emptyHeader, payload);
    assertThrows(GeneralSecurityException.class, () -> verifier.verifyAndDecode(emptyHeaderSignedCompact, validator));
    // invalid token with a valid but incorrect algorithm in the header
    JsonObject badAlgoHeader = new JsonObject();
    badAlgoHeader.addProperty("alg", "RS256");
    String badAlgoSignedCompact = generateSignedCompact(rawSigner, badAlgoHeader, payload);
    assertThrows(GeneralSecurityException.class, () -> verifier.verifyAndDecode(badAlgoSignedCompact, validator));
    // token with an unknown "kid" in the header is valid
    JsonObject unknownKidHeader = new JsonObject();
    unknownKidHeader.addProperty("alg", "PS256");
    unknownKidHeader.addProperty("kid", "unknown");
    String unknownKidSignedCompact = generateSignedCompact(rawSigner, unknownKidHeader, payload);
    verifier.verifyAndDecode(unknownKidSignedCompact, validator);
}