Last active
October 16, 2015 17:12
-
-
Save rohityadavcloud/3d28f089342019533f90 to your computer and use it in GitHub Desktop.
Lists available ciphers in jdk
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
import java.security.KeyStore; | |
import javax.net.ssl.KeyManagerFactory; | |
import javax.net.ssl.SSLContext; | |
import javax.net.ssl.SSLSocket; | |
import javax.net.ssl.TrustManagerFactory; | |
public class ListCiphers | |
{ | |
public static void main(String[] args) | |
throws Exception | |
{ | |
SSLContext ctx = SSLContext.getInstance("TLSv1"); | |
// Create an empty TrustManagerFactory to avoid loading default CA | |
KeyStore ks = KeyStore.getInstance("JKS"); | |
TrustManagerFactory tmf = TrustManagerFactory.getInstance("SunX509"); | |
tmf.init(ks); | |
ctx.init(null, tmf.getTrustManagers(), null); | |
SSLSocket socket = (SSLSocket) ctx.getSocketFactory().createSocket("mozilla.org", 443); | |
printEnabledCiphers(socket); | |
} | |
private static void printSupportedCiphers(SSLSocket socket) | |
{ | |
printInfos("Supported cipher suites", socket.getSupportedCipherSuites()); | |
} | |
private static void printEnabledCiphers(SSLSocket socket) | |
{ | |
printInfos("Enabled cipher suites", socket.getEnabledCipherSuites()); | |
} | |
private static void printInfos(String prefix, String[] values) | |
{ | |
System.out.println(prefix + ":"); | |
for (int i = 0; i < values.length; i++) | |
System.out.println(" " + values[i]); | |
} | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment