isTLSv13SupportedByJDK0() — netty Function Reference

Architecture documentation for the isTLSv13SupportedByJDK0() function in SslUtils.java from the netty codebase.

Function java Buffer Allocators calls 1 called by 1

Entity Profile

Buffer→ Allocators→ isTLSv13SupportedByJDK0() — netty Function Reference

Dependency Diagram

graph TD
  08392587_55a3_d947_9cd0_736ad18c9d48["isTLSv13SupportedByJDK0()"]
  8b8e2625_56a3_eef0_1cb3_fa21bb9b476e["SslUtils"]
  08392587_55a3_d947_9cd0_736ad18c9d48 -->|defined in| 8b8e2625_56a3_eef0_1cb3_fa21bb9b476e
  cc066e4a_6441_92c3_2d46_ee0e3e0924f4["isTLSv13SupportedByJDK()"]
  cc066e4a_6441_92c3_2d46_ee0e3e0924f4 -->|calls| 08392587_55a3_d947_9cd0_736ad18c9d48
  65bda087_3730_e853_e17c_3338580d6ae8["arrayContains()"]
  08392587_55a3_d947_9cd0_736ad18c9d48 -->|calls| 65bda087_3730_e853_e17c_3338580d6ae8
  style 08392587_55a3_d947_9cd0_736ad18c9d48 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

handler/src/main/java/io/netty/handler/ssl/SslUtils.java lines 230–239

    private static boolean isTLSv13SupportedByJDK0(Provider provider) {
        try {
            return arrayContains(newInitContext(provider)
                    .getSupportedSSLParameters().getProtocols(), SslProtocols.TLS_v1_3);
        } catch (Throwable cause) {
            logger.debug("Unable to detect if JDK SSLEngine with provider {} supports TLSv1.3, assuming no",
                    provider, cause);
            return false;
        }
    }