question: public SSLEngine initSslEngine ( boolean client ) throws Exception { KeyStore keyStore = loadKeystore ( properties . sslKeyStorePath ( ) , properties . sslKeyStorePassword ( ) ) ; KeyManagerFactory keyManagerFactory = KeyManagerFactory . getInstance ( KeyManagerFactory . getDefaultAlgorithm ( ) ) ; keyManagerFactory . init ( keyStore , keyStoreKeyPass ( properties ) ) ; KeyStore trustStore ; if ( properties . sslTrustStorePath ( ) != null ) { LOGGER . debug ( "Using separate trust store" ) ; trustStore = loadKeystore ( properties . sslTrustStorePath ( ) , properties . sslTrustStorePassword ( ) ) ; } else { trustStore = keyStore ; LOGGER . debug ( "Using key store as trust store" ) ; } TrustManagerFactory trustManagerFactory = TrustManagerFactory . getInstance ( TrustManagerFactory . getDefaultAlgorithm ( ) ) ; trustManagerFactory . init ( trustStore ) ; KeyManager [ ] keyManagers = keyManagerFactory . getKeyManagers ( ) ; TrustManager [ ] trustManagers = trustManagerFactory . getTrustManagers ( ) ; SSLContext sslContext = SSLContext . getInstance ( "TLS" ) ; sslContext . init ( keyManagers , trustManagers , null ) ; SSLEngine sslEngine = sslContext . createSSLEngine ( ) ; sslEngine . setUseClientMode ( client ) ; sslEngine . setWantClientAuth ( true ) ; sslEngine . setEnabledProtocols ( sslEngine . getSupportedProtocols ( ) ) ; sslEngine . setEnabledCipherSuites ( sslEngine . getSupportedCipherSuites ( ) ) ; sslEngine . setEnableSessionCreation ( true ) ; return sslEngine ; }
target:  Initializes an SSL engine.