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https://issues.apache.org/jira/browse/SOLR-9609?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15671460#comment-15671460
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Erick Erickson commented on SOLR-9609:
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OK, I'm going to just hard-code it to 1024 and be done with it. This is taking
far too long for something that only one person has found so far.
I'll leave a comment in the code that if we have to revisit it we should see
the discussion here.
> Change hard-coded keysize from 512 to 1024
> ------------------------------------------
>
> Key: SOLR-9609
> URL: https://issues.apache.org/jira/browse/SOLR-9609
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Jeremy Martini
> Assignee: Erick Erickson
> Attachments: SOLR-9609.patch, SOLR-9609.patch, SOLR-9609.patch,
> solr.log
>
>
> In order to configure our dataSource without requiring a plaintext password
> in the configuration file, we extended JdbcDataSource to create our own
> custom implementation. Our dataSource config now looks something like this:
> {code:xml}
> <dataSource type="com.foo.FooDataSource" driver="oracle.jdbc.OracleDriver"
> url="jdbc:oracle:thin:@db-host-machine:1521:tst1" user="testuser"
> password="{ENC}{1.1}1ePOfWcbOIU056gKiLTrLw=="/>
> {code}
> We are using the RSA JSAFE Crypto-J libraries for encrypting/decrypting the
> password. However, this seems to cause an issue when we try use Solr in a
> Cloud Configuration (using Zookeeper). The error is "Strong key gen and
> multiprime gen require at least 1024-bit keysize." Full log attached.
> This seems to be due to the hard-coded value of 512 in the
> org.apache.solr.util.CryptoKeys$RSAKeyPair class:
> {code:java}
> public RSAKeyPair() {
> KeyPairGenerator keyGen = null;
> try {
> keyGen = KeyPairGenerator.getInstance("RSA");
> } catch (NoSuchAlgorithmException e) {
> throw new SolrException(SolrException.ErrorCode.SERVER_ERROR, e);
> }
> keyGen.initialize(512);
> {code}
> I pulled down the Solr code, changed the hard-coded value to 1024, rebuilt
> it, and now everything seems to work great.
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