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From "Brandon Williams (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-3278) SSLFactory should not enable cipher suites that aren't supported
Date Mon, 28 Nov 2011 21:23:40 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-3278?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13158789#comment-13158789
] 

Brandon Williams commented on CASSANDRA-3278:
---------------------------------------------

This looks good, but one minor nit: instead of cipherSuites in the yaml can we use the more
idiomatic 'cipher_suites'?
                
> SSLFactory should not enable cipher suites that aren't supported
> ----------------------------------------------------------------
>
>                 Key: CASSANDRA-3278
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-3278
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 0.8.0
>         Environment: OpenJDK on debian squeeze
>            Reporter: George
>            Assignee: Vijay
>            Priority: Minor
>             Fix For: 1.0.5
>
>         Attachments: 0001-commiting-filter-for-supported-suits.patch, 0002-commiting-changes-to-make-the-ks-ts-more-flexible.patch,
0003-expose-the-available-options-in-yaml.patch, cassandra-3278-cache.txt, cassandra-3278-nocache.txt
>
>
> The socket creation (server or otherwise) in SSLFactory.java calls [setEnabledCipherSuites|http://download.oracle.com/javase/6/docs/api/javax/net/ssl/SSLServerSocket.html#setEnabledCipherSuites(java.lang.String\[\])]
with the values specified in EncryptionOptions.java:
> {code}
> public String[] cipherSuites = {
>     "TLS_RSA_WITH_AES_128_CBC_SHA", 
>     "TLS_RSA_WITH_AES_256_CBC_SHA"
> };
> {code}
> The call to [setEnabledCipherSuites|http://download.oracle.com/javase/6/docs/api/javax/net/ssl/SSLServerSocket.html#setEnabledCipherSuites(java.lang.String\[\])]
fails on systems that don't have [Java Cryptography Extension (JCE) Unlimited Strength Jurisdiction
Policy Files 6|http://www.oracle.com/technetwork/java/javase/downloads/jce-6-download-429243.html]
because AES256 is not supported.
> To avoid installing the unlimited strength policy file the code in SSLFactory.java should
call [getSupportedCipherSuites|http://download.oracle.com/javase/6/docs/api/javax/net/ssl/SSLServerSocket.html#getSupportedCipherSuites()]
to find out which of the suites specified are supported.
> Thanks,
> George

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