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getEnabledCipherSuites() — netty Function Reference

Architecture documentation for the getEnabledCipherSuites() function in ReferenceCountedOpenSslEngine.java from the netty codebase.

Function java Buffer Allocators calls 1

Entity Profile

Dependency Diagram

graph TD
  5d28e123_a6b0_b540_a11c_88aa34c167ca["getEnabledCipherSuites()"]
  df1ad81e_e5bf_85e6_4418_db301b4c3e66["ReferenceCountedOpenSslEngine"]
  5d28e123_a6b0_b540_a11c_88aa34c167ca -->|defined in| df1ad81e_e5bf_85e6_4418_db301b4c3e66
  f3e3f180_c9e1_2c2f_b4a8_be9afb24dc37["isProtocolEnabled()"]
  5d28e123_a6b0_b540_a11c_88aa34c167ca -->|calls| f3e3f180_c9e1_2c2f_b4a8_be9afb24dc37
  style 5d28e123_a6b0_b540_a11c_88aa34c167ca fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

handler/src/main/java/io/netty/handler/ssl/ReferenceCountedOpenSslEngine.java lines 1668–1705

    @Override
    public final String[] getEnabledCipherSuites() {
        final String[] extraCiphers;
        final String[] enabled;
        final boolean tls13Enabled;
        synchronized (this) {
            if (!destroyed) {
                enabled = SSL.getCiphers(ssl);
                int opts = SSL.getOptions(ssl);
                if (isProtocolEnabled(opts, SSL.SSL_OP_NO_TLSv1_3, SslProtocols.TLS_v1_3)) {
                    extraCiphers = OpenSsl.EXTRA_SUPPORTED_TLS_1_3_CIPHERS;
                    tls13Enabled = true;
                } else {
                    extraCiphers = EMPTY_STRINGS;
                    tls13Enabled = false;
                }
            } else {
                return EMPTY_STRINGS;
            }
        }
        if (enabled == null) {
            return EMPTY_STRINGS;
        } else {
            Set<String> enabledSet = new LinkedHashSet<>(enabled.length + extraCiphers.length);
            synchronized (this) {
                for (String enabledCipher : enabled) {
                    String mapped = toJavaCipherSuite(enabledCipher);
                    final String cipher = mapped == null ? enabledCipher : mapped;
                    if ((!tls13Enabled || !OpenSsl.isTlsv13Supported()) && SslUtils.isTLSv13Cipher(cipher)) {
                        continue;
                    }
                    enabledSet.add(cipher);
                }
                Collections.addAll(enabledSet, extraCiphers);
            }
            return enabledSet.toArray(EMPTY_STRINGS);
        }
    }

Domain

Subdomains

Defined In

Calls

Source

Frequently Asked Questions

What does getEnabledCipherSuites() do?
getEnabledCipherSuites() is a function in the netty codebase, defined in handler/src/main/java/io/netty/handler/ssl/ReferenceCountedOpenSslEngine.java.
Where is getEnabledCipherSuites() defined?
getEnabledCipherSuites() is defined in handler/src/main/java/io/netty/handler/ssl/ReferenceCountedOpenSslEngine.java at line 1668.
What does getEnabledCipherSuites() call?
getEnabledCipherSuites() calls 1 function(s): isProtocolEnabled.

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