I'll CC Nirmal Ranganathan who implemented the internode encryption who might be able to give you some advice on this.
On May 17, 2011, at 7:47 PM, Sameer Farooqui wrote: > Thanks for the link, Jeremy. > > I generated the keystore and truststore for inter-node communication using > the link in the YAML file: > http://download.oracle.com/javase/6/docs/technotes/guides/security/jsse/JSSERefGuide.html#CreateKeystore > > Unfortunately, the default instructions in the above link used > TLS_RSA_WITH_AES_256_CBC_SHA. So, when I start Cassandra now, I get this > error: > > ERROR 00:10:38,734 Exception encountered during startup. > java.lang.IllegalArgumentException: Cannot support > TLS_RSA_WITH_AES_256_CBC_SHA with currently installed providers > at > com.sun.net.ssl.internal.ssl.CipherSuiteList.<init>(CipherSuiteList.j > ava:79) > at > com.sun.net.ssl.internal.ssl.SSLServerSocketImpl.setEnabledCipherSuit > es(SSLServerSocketImpl.java:166) > at > org.apache.cassandra.security.SSLFactory.getServerSocket(SSLFactory.j > ava:55) > > > The YAML file states that the cipher suite for authentication should be: > TLS_RSA_WITH_AES_128_CBC_SHA. > > This is my first time using keytool and I've searched the web to see how I > can change the cipher from AES_256 to AES_128, but haven't found the answer. > > Anyone know how to change the cipher to AES_128? > > Here are the commands I used to generate the non-working keystore and > truststore: > > 1) keytool -genkeypair -alias jdoe -keyalg RSA -validity 7 -keystore .keystore > 2) keytool -list -v -keystore .keystore > 3) keytool -export -alias jdoe -keystore .keystore -rfc -file jdoe.cer > 4) cat jdoe.cer > 5) keytool -import -alias jdoecert -file jdoe.cer -keystore .truststore > 6) keytool -list -v -keystore .truststore > > > - Sameer > > On Mon, May 16, 2011 at 5:35 PM, Jeremy Hanna <jeremy.hanna1...@gmail.com> > wrote: > Take a look at cassandra.yaml in your 0.8 download at the very bottom. There > are docs and examples there. > e.g. > http://svn.apache.org/repos/asf/cassandra/tags/cassandra-0.8.0-beta2/conf/cassandra.yaml > > On May 16, 2011, at 6:36 PM, Sameer Farooqui wrote: > > > I understand that 0.8.0 has configurable internode encryption > > (CASSANDRA-1567, 2152). > > > > I haven't been able to find any info on how to configure it though on this > > mailing list or the Datastax website. > > > > Can somebody point me towards how to set this up? > > > > - Sameer > >
