testIncompatibleCiphers() — netty Function Reference

Architecture documentation for the testIncompatibleCiphers() function in SSLEngineTest.java from the netty codebase.

Function java Buffer Allocators calls 5

Entity Profile

Buffer→ Allocators→ testIncompatibleCiphers() — netty Function Reference

Dependency Diagram

graph TD
  207c9557_d4be_64b2_a88f_1251635bc36e["testIncompatibleCiphers()"]
  9150c92a_2afc_b83a_c3bf_86dfac6e9d9b["SSLEngineTest"]
  207c9557_d4be_64b2_a88f_1251635bc36e -->|defined in| 9150c92a_2afc_b83a_c3bf_86dfac6e9d9b
  bf19737b_7dc7_9dfd_0a67_ae31448ebbe8["protocols()"]
  207c9557_d4be_64b2_a88f_1251635bc36e -->|calls| bf19737b_7dc7_9dfd_0a67_ae31448ebbe8
  7380f50e_d3f0_3078_ee65_de1cb780c79d["handshake()"]
  207c9557_d4be_64b2_a88f_1251635bc36e -->|calls| 7380f50e_d3f0_3078_ee65_de1cb780c79d
  13aca077_a788_4333_9f8b_2b1437653846["delegate()"]
  207c9557_d4be_64b2_a88f_1251635bc36e -->|calls| 13aca077_a788_4333_9f8b_2b1437653846
  87e8e20d_ffbe_f5c3_4fd0_7d8ac419206d["cleanupClientSslEngine()"]
  207c9557_d4be_64b2_a88f_1251635bc36e -->|calls| 87e8e20d_ffbe_f5c3_4fd0_7d8ac419206d
  78ad5fe5_58d2_9877_f633_22a7048c0e5e["cleanupServerSslEngine()"]
  207c9557_d4be_64b2_a88f_1251635bc36e -->|calls| 78ad5fe5_58d2_9877_f633_22a7048c0e5e
  style 207c9557_d4be_64b2_a88f_1251635bc36e fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

handler/src/test/java/io/netty/handler/ssl/SSLEngineTest.java lines 607–654

    @MethodSource("newTestParams")
    @ParameterizedTest
    public void testIncompatibleCiphers(final SSLEngineTestParam param) throws Exception {
        assumeTrue(SslProvider.isTlsv13Supported(sslClientProvider()));
        assumeTrue(SslProvider.isTlsv13Supported(sslServerProvider()));

        SelfSignedCertificate ssc = CachedSelfSignedCertificate.getCachedCertificate();
        // Select a mandatory cipher from the TLSv1.2 RFC https://www.ietf.org/rfc/rfc5246.txt so handshakes won't fail
        // due to no shared/supported cipher.
        clientSslCtx = wrapContext(param, SslContextBuilder.forClient()
                .trustManager(InsecureTrustManagerFactory.INSTANCE)
                .protocols(SslProtocols.TLS_v1_3, SslProtocols.TLS_v1_2, SslProtocols.TLS_v1)
                .sslContextProvider(clientSslContextProvider())
                .sslProvider(sslClientProvider())
                .build());

        serverSslCtx = wrapContext(param, SslContextBuilder.forServer(ssc.certificate(), ssc.privateKey())
                .protocols(SslProtocols.TLS_v1_3, SslProtocols.TLS_v1_2, SslProtocols.TLS_v1)
                .sslContextProvider(serverSslContextProvider())
                .sslProvider(sslServerProvider())
                .build());
        SSLEngine clientEngine = null;
        SSLEngine serverEngine = null;
        try {
            clientEngine = wrapEngine(clientSslCtx.newEngine(UnpooledByteBufAllocator.DEFAULT));
            serverEngine = wrapEngine(serverSslCtx.newEngine(UnpooledByteBufAllocator.DEFAULT));

            // Set the server to only support a single TLSv1.2 cipher
            final String serverCipher = "TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256";
            serverEngine.setEnabledCipherSuites(new String[] { serverCipher });

            // Set the client to only support a single TLSv1.3 cipher
            final String clientCipher = "TLS_AES_256_GCM_SHA384";
            clientEngine.setEnabledCipherSuites(new String[] { clientCipher });

            final SSLEngine client = clientEngine;
            final SSLEngine server = serverEngine;
            assertThrows(SSLHandshakeException.class, new Executable() {
                @Override
                public void execute() throws Throwable {
                    handshake(param.type(), param.delegate(), client, server);
                }
            });
        } finally {
            cleanupClientSslEngine(clientEngine);
            cleanupServerSslEngine(serverEngine);
        }
    }

Domain

Buffer

Subdomains

Allocators

Defined In

handler/src/test/java/io/netty/handler/ssl/SSLEngineTest.java

Calls

Source

View on GitHub

Frequently Asked Questions

What does testIncompatibleCiphers() do?

testIncompatibleCiphers() is a function in the netty codebase, defined in handler/src/test/java/io/netty/handler/ssl/SSLEngineTest.java.

Where is testIncompatibleCiphers() defined?

testIncompatibleCiphers() is defined in handler/src/test/java/io/netty/handler/ssl/SSLEngineTest.java at line 607.

What does testIncompatibleCiphers() call?

testIncompatibleCiphers() calls 5 function(s): cleanupClientSslEngine, cleanupServerSslEngine, delegate, handshake, protocols.

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