assumeCipherAvailable() — netty Function Reference

Architecture documentation for the assumeCipherAvailable() function in CipherSuiteCanaryTest.java from the netty codebase.

Function java Buffer Allocators called by 1

Entity Profile

Buffer→ Allocators→ assumeCipherAvailable() — netty Function Reference

Dependency Diagram

graph TD
  03e9881c_2c51_2a77_b993_13603c2ccfda["assumeCipherAvailable()"]
  ab6381a6_f969_6ff9_7dc9_1144730032e7["CipherSuiteCanaryTest"]
  03e9881c_2c51_2a77_b993_13603c2ccfda -->|defined in| ab6381a6_f969_6ff9_7dc9_1144730032e7
  87f631b4_7f6e_b2c2_60d6_d3e0f574ee13["testHandshake()"]
  87f631b4_7f6e_b2c2_60d6_d3e0f574ee13 -->|calls| 03e9881c_2c51_2a77_b993_13603c2ccfda
  style 03e9881c_2c51_2a77_b993_13603c2ccfda fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

handler/src/test/java/io/netty/handler/ssl/CipherSuiteCanaryTest.java lines 94–108

    private static void assumeCipherAvailable(SslProvider provider, String cipher) throws NoSuchAlgorithmException {
        boolean cipherSupported = false;
        if (provider == SslProvider.JDK) {
            SSLEngine engine = SSLContext.getDefault().createSSLEngine();
            for (String c: engine.getSupportedCipherSuites()) {
               if (cipher.equals(c)) {
                   cipherSupported = true;
                   break;
               }
            }
        } else {
            cipherSupported = OpenSsl.isCipherSuiteAvailable(cipher);
        }
        assumeTrue(cipherSupported, "Unsupported cipher: " + cipher);
    }