3 ways to instruct Java application to use TLSv1.3 protocol only:
Way #1: Use SSLContext to set TLS protocol version:
SSLEngine
SSLContext context = SSLContext.getInstance("TLSv1.3");
SSLEngine sslEngine = context.createSSLEngine("www.example.com", 443);
SSLSocket
SSLContext context = SSLContext.getInstance("TLSv1.3");
SSLSocketFactory socketFactory = context.getSocketFactory();
SSLSocket sslSocket = (SSLSocket)socketFactory.createSocket("www.example.com", 443);
Way #2: Use the SSLSocket/SSLEngine.setEnabledProtocols()
if(sslEngine!=null){
sslEngine.setEnabledProtocols(new String[] {"TLSv1.3"});
} else {
sslSocket.setEnabledProtocols(new String[] {"TLSv1.3"});
}
Way #3: Use the SSLParameters.setProtocols()
sslParameters.setProtocols(new String[] {"TLSv1.3"});
if(sslEngine!=null){
sslEngine.setSSLParameters(sslParameters);
} else {
sslSocket.setSSLParameters(sslParameters);
}
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posted on: 10/27/2021 05:48:27 PM
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